annotate main.c @ 123:b2700c7e5492

turn off the fridge port first
author Matt Johnston <matt@ucc.asn.au>
date Wed, 10 Oct 2012 22:50:02 +0800
parents 30c2c3341a4a
children b32ddec655c5
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1 #include <stdio.h>
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2 #include <string.h>
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3 #include <stddef.h>
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4 #include <stdbool.h>
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5 #include <stdlib.h>
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6 #include <avr/io.h>
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7 #include <avr/interrupt.h>
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8 #include <avr/sleep.h>
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9 #include <util/delay.h>
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10 #include <avr/pgmspace.h>
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11 #include <avr/eeprom.h>
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12 #include <avr/wdt.h>
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13 #include <util/atomic.h>
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14 #include <util/crc16.h>
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16 #include "simple_ds18b20.h"
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17 #include "onewire.h"
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18
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19 // configuration params
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20 // - measurement interval
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21 // - transmit interval
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22 // - bluetooth params
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23 // - number of sensors (and range?)
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24
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25 #define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
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26 #define MAX(X,Y) ((X) > (Y) ? (X) : (Y))
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27
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28 // TICK should be 8 or less (8 untested). all timers need
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29 // to be a multiple.
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30
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31 #define TICK 6
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32 // we have 1024 prescaler, 32768 crystal.
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33 #define SLEEP_COMPARE (32*TICK-1)
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34
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35 #define VALUE_NOSENSOR 0x07D0 // 125 degrees
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36 #define VALUE_BROKEN 0x07D1 // 125.0625
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37
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38 // ranges are in decicelcius
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39 #define FRIDGE_AIR_MIN_RANGE 30
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40 #define FRIDGE_AIR_MAX_RANGE 30
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41 #define OVERSHOOT_SCALE 1
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42
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43 #define BAUD 19200
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44 #define UBRR ((F_CPU)/8/(BAUD)-1)
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45
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46 #define PORT_LED PORTC
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47 #define DDR_LED DDRC
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48 #define PIN_LED PC4
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49
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50 #define PORT_SHDN PORTD
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51 #define DDR_SHDN DDRD
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52 #define PIN_SHDN PD7
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54 #define PORT_FRIDGE PORTD
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55 #define DDR_FRIDGE DDRD
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56 #define PIN_FRIDGE PD6
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57
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58 // total amount of 16bit values available for measurements.
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59 // adjust emperically, be sure to allow enough stack space too
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60 #define TOTAL_MEASUREMENTS 800
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61
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62 // each sensor slot uses 8 bytes
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63 #define MAX_SENSORS 6
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64
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65 // fixed at 8, have a shorter name
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66 #define ID_LEN OW_ROMCODE_SIZE
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68 // #define HAVE_UART_ECHO
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69
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70 // stores a value of clock_epoch combined with the remainder of TCNT2,
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71 // for 1/32 second accuracy
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72 struct epoch_ticks
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73 {
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74 uint32_t ticks;
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75 // remainder
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76 uint8_t rem;
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77 };
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79 // eeprom-settable parameters. all timeouts should
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80 // be a multiple of TICK (6 seconds probably)
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81 static uint16_t measure_wake = 61; // not a divisor of comms_wake
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82 static uint16_t comms_wake = 600;
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83 static uint8_t wake_secs = 30;
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84 // decidegrees
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85 static int16_t fridge_setpoint = 180; // 18.0ºC
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86 static int16_t fridge_difference = 3; // 0.3ºC
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87 static uint16_t fridge_delay = 600; // seconds
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88
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89 // ---- Atomic guards required accessing these variables
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90 // clock_epoch in seconds
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91 static uint32_t clock_epoch;
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92 static uint16_t comms_count;
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93 static uint16_t measure_count;
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94 // ---- End atomic guards required
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95
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96 static uint16_t n_measurements;
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97
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98 // calculated at startup as TOTAL_MEASUREMENTS/n_sensors
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99 static uint16_t max_measurements;
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100
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101 static uint16_t measurements[TOTAL_MEASUREMENTS];
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102
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103 static struct epoch_ticks first_measurement_clock;
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104 // last_measurement_clock is redundant but checks that we're not missing
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105 // samples
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106 static struct epoch_ticks last_measurement_clock;
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107 static struct epoch_ticks last_comms_clock;
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108
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109 // boolean flags
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110 static uint8_t need_measurement;
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111 static uint8_t need_comms;
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112 static uint8_t uart_enabled;
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113 static uint8_t stay_awake;
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114 static uint8_t button_pressed;
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115
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116 // counts down from WAKE_SECS to 0, goes to deep sleep when hits 0
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117 static uint8_t comms_timeout;
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118
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119 static uint8_t readpos;
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120 static char readbuf[30];
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121 static uint8_t have_cmd;
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122
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123 static uint8_t n_sensors;
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124 static uint8_t sensor_id[MAX_SENSORS][ID_LEN];
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125
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126 static int16_t last_fridge = DS18X20_INVALID_DECICELSIUS;
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127 static int16_t last_wort = DS18X20_INVALID_DECICELSIUS;
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128 static struct epoch_ticks fridge_off_clock = {0};
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129 static struct epoch_ticks fridge_on_clock = {0};
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130
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131 int uart_putchar(char c, FILE *stream);
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132 static void long_delay(int ms);
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133 static void blink();
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134 static uint16_t adc_vcc();
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135
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136 static FILE mystdout = FDEV_SETUP_STREAM(uart_putchar, NULL,
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137 _FDEV_SETUP_WRITE);
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138
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139 static uint16_t crc_out;
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140 static FILE _crc_stdout = FDEV_SETUP_STREAM(uart_putchar, NULL,
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141 _FDEV_SETUP_WRITE);
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142 // convenience
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143 static FILE *crc_stdout = &_crc_stdout;
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144
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145
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146 // thanks to http://projectgus.com/2010/07/eeprom-access-with-arduino/
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147 #define eeprom_read_to(dst_p, eeprom_field, dst_size) eeprom_read_block((dst_p), (void *)offsetof(struct __eeprom_data, eeprom_field), (dst_size))
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148 #define eeprom_read(dst, eeprom_field) eeprom_read_to((&dst), eeprom_field, sizeof(dst))
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diff changeset
149 #define eeprom_write_from(src_p, eeprom_field, src_size) eeprom_write_block((src_p), (void *)offsetof(struct __eeprom_data, eeprom_field), (src_size))
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diff changeset
150 #define eeprom_write(src, eeprom_field) { eeprom_write_from(&src, eeprom_field, sizeof(src)); }
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diff changeset
151
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diff changeset
152 #define EXPECT_MAGIC 0x67c9
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diff changeset
153
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diff changeset
154 struct __attribute__ ((__packed__)) __eeprom_data {
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diff changeset
155 uint16_t magic;
80
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diff changeset
156 uint16_t measure_wake;
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diff changeset
157 uint16_t comms_wake;
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diff changeset
158 uint8_t wake_secs;
114
b0ec7b783c0b start of fridge bits
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parents: 105
diff changeset
159
115
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parents: 114
diff changeset
160 int16_t fridge_setpoint; // decidegrees
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parents: 114
diff changeset
161 uint8_t fridge_difference; // decidegrees
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parents: 114
diff changeset
162 uint16_t fridge_delay;
114
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parents: 105
diff changeset
163
115
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parents: 114
diff changeset
164 #if 0
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parents: 114
diff changeset
165 static uint8_t wort_id[ID_LEN];
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diff changeset
166 static uint8_t fridge_id[ID_LEN];
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parents: 114
diff changeset
167 #endif
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parents: 114
diff changeset
168 };
114
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diff changeset
169
115
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parents: 114
diff changeset
170 static const uint8_t fridge_id[ID_LEN] =
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parents: 114
diff changeset
171 {0x28,0xCE,0xB2,0x1A,0x03,0x00,0x00,0x99};
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parents: 114
diff changeset
172 static const uint8_t wort_id[ID_LEN] =
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parents: 114
diff changeset
173 {0x28,0x49,0xBC,0x1A,0x03,0x00,0x00,0x54};
13
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174
4
54d369e3d689 Fill out more main.c structure
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parents: 3
diff changeset
175 static void deep_sleep();
1
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176
117
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diff changeset
177 // 0 or 1
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178 static uint8_t
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diff changeset
179 is_fridge_on()
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180 {
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181 if (PORT_FRIDGE & _BV(PIN_FRIDGE))
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parents: 116
diff changeset
182 {
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diff changeset
183 return 1;
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184 }
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185 else
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186 {
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187 return 0;
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188 }
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189 }
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190
16
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diff changeset
191 // Very first setup
18
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192 static void
16
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193 setup_chip()
18
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194 {
54
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diff changeset
195 cli();
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196
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197 // stop watchdog timer (might have been used to cause a reset)
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198 wdt_reset();
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199 MCUSR &= ~_BV(WDRF);
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diff changeset
200 WDTCSR |= _BV(WDCE) | _BV(WDE);
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diff changeset
201 WDTCSR = 0;
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202
16
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diff changeset
203 // Set clock to 2mhz
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204 CLKPR = _BV(CLKPCE);
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diff changeset
205 // divide by 4
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diff changeset
206 CLKPR = _BV(CLKPS1);
52
c3f5e02c1c42 try a few more power saving measures, untested
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parents: 46
diff changeset
207
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diff changeset
208 // enable pullups
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diff changeset
209 PORTB = 0xff; // XXX change when using SPI
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parents: 46
diff changeset
210 PORTD = 0xff;
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parents: 46
diff changeset
211 PORTC = 0xff;
16
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diff changeset
212
19
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parents: 17 18
diff changeset
213 // 3.3v power for bluetooth and SD
16
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diff changeset
214 DDR_LED |= _BV(PIN_LED);
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parents: 15
diff changeset
215 DDR_SHDN |= _BV(PIN_SHDN);
19
Matt Johnston <matt@ucc.asn.au>
parents: 17 18
diff changeset
216
123
b2700c7e5492 turn off the fridge port first
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parents: 122
diff changeset
217 PORT_FRIDGE &= ~_BV(PIN_FRIDGE);
115
90d1ebb941ab untested fridge control
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diff changeset
218 DDR_FRIDGE |= _BV(PIN_FRIDGE);
90d1ebb941ab untested fridge control
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parents: 114
diff changeset
219
46
9ccd965d938a Use the PRR etc, set value to proper ones
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parents: 44
diff changeset
220 // set pullup
9ccd965d938a Use the PRR etc, set value to proper ones
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parents: 44
diff changeset
221 PORTD |= _BV(PD2);
41
1701457e6007 fix tabbing
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parents: 40
diff changeset
222 // INT0 setup
52
c3f5e02c1c42 try a few more power saving measures, untested
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parents: 46
diff changeset
223 EICRA = (1<<ISC01); // falling edge - data sheet says it won't work?
41
1701457e6007 fix tabbing
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parents: 40
diff changeset
224 EIMSK = _BV(INT0);
52
c3f5e02c1c42 try a few more power saving measures, untested
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parents: 46
diff changeset
225
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parents: 46
diff changeset
226 // comparator disable
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parents: 46
diff changeset
227 ACSR = _BV(ACD);
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parents: 46
diff changeset
228
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diff changeset
229 // disable adc pin input buffers
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parents: 46
diff changeset
230 DIDR0 = 0x3F; // acd0-adc5
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parents: 46
diff changeset
231 DIDR1 = (1<<AIN1D)|(1<<AIN0D); // ain0/ain1
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parents: 46
diff changeset
232
c3f5e02c1c42 try a few more power saving measures, untested
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parents: 46
diff changeset
233 sei();
18
bf733e8e8cf0 Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
234 }
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diff changeset
235
16
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diff changeset
236 static void
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parents: 15
diff changeset
237 set_aux_power(uint8_t on)
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parents: 15
diff changeset
238 {
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parents: 15
diff changeset
239 if (on)
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parents: 15
diff changeset
240 {
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parents: 15
diff changeset
241 PORT_SHDN &= ~_BV(PIN_SHDN);
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parents: 15
diff changeset
242 }
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parents: 15
diff changeset
243 else
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parents: 15
diff changeset
244 {
44
96c336896201 mostly works for testing
Matt Johnston <matt@ucc.asn.au>
parents: 41
diff changeset
245 PORT_SHDN |= _BV(PIN_SHDN);
16
5075d8c428bd untested, add comms timeout code
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parents: 15
diff changeset
246 }
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parents: 15
diff changeset
247 }
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parents: 15
diff changeset
248
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
249 static void
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
250 get_epoch_ticks(struct epoch_ticks *t)
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
251 {
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
252 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
a1c1c2d475b0 print the remainder of timers as well
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parents: 89
diff changeset
253 {
a1c1c2d475b0 print the remainder of timers as well
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parents: 89
diff changeset
254 t->ticks = clock_epoch;
a1c1c2d475b0 print the remainder of timers as well
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parents: 89
diff changeset
255 t->rem = TCNT2;
a1c1c2d475b0 print the remainder of timers as well
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parents: 89
diff changeset
256 }
a1c1c2d475b0 print the remainder of timers as well
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parents: 89
diff changeset
257 }
a1c1c2d475b0 print the remainder of timers as well
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parents: 89
diff changeset
258
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
259 static void
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
260 set_measurement(uint8_t sensor, uint16_t measurement, uint16_t reading)
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
261 {
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
262 measurements[sensor*max_measurements + measurement] = reading;
1e2068c5413a - store settings in eeprom
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parents: 79
diff changeset
263 }
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
264
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
265 static uint16_t
1e2068c5413a - store settings in eeprom
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parents: 79
diff changeset
266 get_measurement(uint8_t sensor, uint16_t measurement)
1e2068c5413a - store settings in eeprom
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parents: 79
diff changeset
267 {
1e2068c5413a - store settings in eeprom
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parents: 79
diff changeset
268 return measurements[sensor*max_measurements + measurement];
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
269 }
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
270
16
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parents: 15
diff changeset
271 static void
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
272 setup_tick_counter()
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parents: 15
diff changeset
273 {
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Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
274 // set up counter2.
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Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
275 // COM21 COM20 Set OC2 on Compare Match (p116)
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parents: 15
diff changeset
276 // WGM21 Clear counter on compare
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Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
277 //TCCR2A = _BV(COM2A1) | _BV(COM2A0) | _BV(WGM21);
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parents: 15
diff changeset
278 // toggle on match
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parents: 15
diff changeset
279 TCCR2A = _BV(COM2A0);
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parents: 15
diff changeset
280 // CS22 CS21 CS20 clk/1024
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parents: 15
diff changeset
281 TCCR2B = _BV(CS22) | _BV(CS21) | _BV(CS20);
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parents: 15
diff changeset
282 // set async mode
5075d8c428bd untested, add comms timeout code
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parents: 15
diff changeset
283 ASSR |= _BV(AS2);
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
284 TCNT2 = 0;
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
285 OCR2A = SLEEP_COMPARE;
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
286 // interrupt
5075d8c428bd untested, add comms timeout code
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parents: 15
diff changeset
287 TIMSK2 = _BV(OCIE2A);
5075d8c428bd untested, add comms timeout code
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parents: 15
diff changeset
288 }
18
bf733e8e8cf0 Add INT0 button
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parents: 15
diff changeset
289
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
290 static void
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
291 uart_on()
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
292 {
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
293 // Power reduction register
46
9ccd965d938a Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 44
diff changeset
294 PRR &= ~_BV(PRUSART0);
8
c55321727d02 deep sleep works
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parents: 7
diff changeset
295
16
5075d8c428bd untested, add comms timeout code
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parents: 15
diff changeset
296 // All of this needs to be done each time after turning off the PRR
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
297 // baud rate
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
298 UBRR0H = (unsigned char)(UBRR >> 8);
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
299 UBRR0L = (unsigned char)UBRR;
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
300 // set 2x clock, improves accuracy of UBRR
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
301 UCSR0A |= _BV(U2X0);
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
302 UCSR0B = _BV(RXCIE0) | _BV(RXEN0) | _BV(TXEN0);
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
303 //8N1
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
304 UCSR0C = _BV(UCSZ01) | _BV(UCSZ00);
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
305 uart_enabled = 1;
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
306 }
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
307
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
308 static void
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
309 uart_off()
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
310 {
89
51d889ad39a3 main.c : add a delay before turning on uart
Matt Johnston <matt@ucc.asn.au>
parents: 87
diff changeset
311 // Turn off interrupts and disable tx/rx
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
312 UCSR0B = 0;
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
313 uart_enabled = 0;
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
314
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
315 // Power reduction register
46
9ccd965d938a Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 44
diff changeset
316 PRR |= _BV(PRUSART0);
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
317 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
318
10
1bfe28c348dd reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
319 int
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
320 uart_putchar(char c, FILE *stream)
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
321 {
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
322 if (!uart_enabled)
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
323 {
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
324 return EOF;
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
325 }
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
326 // XXX could perhaps sleep in the loop for power.
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
327 if (c == '\n')
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
328 {
10
1bfe28c348dd reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
329 loop_until_bit_is_set(UCSR0A, UDRE0);
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
330 UDR0 = '\r';
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
331 }
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
332 loop_until_bit_is_set(UCSR0A, UDRE0);
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
333 UDR0 = c;
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
334 if (stream == crc_stdout)
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
335 {
26
d3e5934fe55c - Move crc16 to utils and fix it
Matt Johnston <matt@ucc.asn.au>
parents: 25
diff changeset
336 crc_out = _crc_ccitt_update(crc_out, c);
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
337 }
10
1bfe28c348dd reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
338 if (c == '\r')
1bfe28c348dd reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
339 {
1bfe28c348dd reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
340 loop_until_bit_is_set(UCSR0A, UDRE0);
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
341 UDR0 = '\n';
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
342 if (stream == crc_stdout)
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
343 {
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
344 crc_out = _crc_ccitt_update(crc_out, '\n');
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
345 }
10
1bfe28c348dd reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
346 }
40
9b5b202129c3 main.c:
Matt Johnston <matt@ucc.asn.au>
parents: 36
diff changeset
347 return (unsigned char)c;
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
348 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
349
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
350 static void
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
351 cmd_fetch()
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
352 {
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
353 crc_out = 0;
55
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
354
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
355 fprintf_P(crc_stdout, PSTR("START\n"));
59
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
356 {
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
357 struct epoch_ticks now;
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
358 get_epoch_ticks(&now);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
359 fprintf_P(crc_stdout, PSTR("now=%lu\n"), now.ticks);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
360 fprintf_P(crc_stdout, PSTR("now_rem=%hhu\n"), now.rem);
59
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
361 }
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
362 fprintf_P(crc_stdout, PSTR("time_step=%hu\n"), measure_wake);
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
363 fprintf_P(crc_stdout, PSTR("first_time=%lu\n"), first_measurement_clock.ticks);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
364 fprintf_P(crc_stdout, PSTR("first_time_rem=%hhu\n"), first_measurement_clock.rem);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
365 fprintf_P(crc_stdout, PSTR("last_time=%lu\n"), last_measurement_clock.ticks);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
366 fprintf_P(crc_stdout, PSTR("last_time_rem=%hhu\n"), last_measurement_clock.rem);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
367 fprintf_P(crc_stdout, PSTR("comms_time=%lu\n"), last_comms_clock.ticks);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
368 fprintf_P(crc_stdout, PSTR("comms_time_rem=%hhu\n"), last_comms_clock.rem);
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
369 fprintf_P(crc_stdout, PSTR("voltage=%hu\n"), adc_vcc());
87
81b8c84344c4 - log more details
Matt Johnston <matt@ucc.asn.au>
parents: 83
diff changeset
370 fprintf_P(crc_stdout, PSTR("measure=%hu\n"), measure_wake);
81b8c84344c4 - log more details
Matt Johnston <matt@ucc.asn.au>
parents: 83
diff changeset
371 fprintf_P(crc_stdout, PSTR("comms=%hu\n"), comms_wake);
81b8c84344c4 - log more details
Matt Johnston <matt@ucc.asn.au>
parents: 83
diff changeset
372 fprintf_P(crc_stdout, PSTR("wake=%hhu\n"), wake_secs);
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
373 fprintf_P(crc_stdout, PSTR("fridge=%.1f\n"), fridge_setpoint/10.0);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
374 fprintf_P(crc_stdout, PSTR("fridge_diff=%.1f\n"), fridge_difference/10.0);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
375 fprintf_P(crc_stdout, PSTR("fridge_delay=%hu\n"), fridge_delay);
117
eecd2612a68e stay on
Matt Johnston <matt@ucc.asn.au>
parents: 116
diff changeset
376 fprintf_P(crc_stdout, PSTR("fridge_status=%hhu\n"), is_fridge_on());
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
377 fprintf_P(crc_stdout, PSTR("tick_secs=%d\n"), TICK);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
378 fprintf_P(crc_stdout, PSTR("tick_wake=%d\n"), SLEEP_COMPARE);
87
81b8c84344c4 - log more details
Matt Johnston <matt@ucc.asn.au>
parents: 83
diff changeset
379 fprintf_P(crc_stdout, PSTR("maxsens=%hhu\n"), MAX_SENSORS);
81b8c84344c4 - log more details
Matt Johnston <matt@ucc.asn.au>
parents: 83
diff changeset
380 fprintf_P(crc_stdout, PSTR("totalmeas=%hu\n"), TOTAL_MEASUREMENTS);
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
381 fprintf_P(crc_stdout, PSTR("sensors=%hhu\n"), n_sensors);
15
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
382 for (uint8_t s = 0; s < n_sensors; s++)
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
383 {
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
384 fprintf_P(crc_stdout, PSTR("sensor_id%hhu="), s);
76
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
385 printhex(sensor_id[s], ID_LEN, crc_stdout);
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
386 fputc('\n', crc_stdout);
15
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
387 }
36
a670a67ba489 - decrease measurement interval, measure at start
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
388 fprintf_P(crc_stdout, PSTR("measurements=%hu\n"), n_measurements);
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
389 for (uint16_t n = 0; n < n_measurements; n++)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
390 {
46
9ccd965d938a Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 44
diff changeset
391 fprintf_P(crc_stdout, PSTR("meas%hu="), n);
15
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
392 for (uint8_t s = 0; s < n_sensors; s++)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
393 {
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
394 fprintf_P(crc_stdout, PSTR(" %04hx"), get_measurement(s, n));
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
395 }
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
396 fputc('\n', crc_stdout);
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
397 }
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
398 fprintf_P(crc_stdout, PSTR("END\n"));
25
2943f62c8e62 - Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
399 fprintf_P(stdout, PSTR("CRC=%hu\n"), crc_out);
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
400 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
401
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
402 static void
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
403 cmd_clear()
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
404 {
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
405 n_measurements = 0;
32
e18d7e89c17d More minor work
Matt Johnston <matt@ucc.asn.au>
parents: 27
diff changeset
406 printf_P(PSTR("cleared\n"));
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
407 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
408
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
409 static void
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
410 cmd_btoff()
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
411 {
93
f18fd4257296 don't reset the wake time when btoff happens
Matt Johnston <matt@ucc.asn.au>
parents: 90
diff changeset
412 uint8_t rem;
f18fd4257296 don't reset the wake time when btoff happens
Matt Johnston <matt@ucc.asn.au>
parents: 90
diff changeset
413 uint16_t count_copy;
59
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
414 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
415 {
93
f18fd4257296 don't reset the wake time when btoff happens
Matt Johnston <matt@ucc.asn.au>
parents: 90
diff changeset
416 count_copy = comms_count;
f18fd4257296 don't reset the wake time when btoff happens
Matt Johnston <matt@ucc.asn.au>
parents: 90
diff changeset
417 rem = TCNT2;
59
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
418 }
93
f18fd4257296 don't reset the wake time when btoff happens
Matt Johnston <matt@ucc.asn.au>
parents: 90
diff changeset
419 printf_P(PSTR("next_wake=%hu,"), comms_wake-count_copy);
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
420 printf_P(PSTR("rem=%hhu,"), rem);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
421 printf_P(PSTR("tick_secs=%hhu,"), TICK);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
422 printf_P(PSTR("tick_wake=%hhu\n"), SLEEP_COMPARE);
46
9ccd965d938a Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 44
diff changeset
423 _delay_ms(100);
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
424 comms_timeout = 0;
117
eecd2612a68e stay on
Matt Johnston <matt@ucc.asn.au>
parents: 116
diff changeset
425 stay_awake = 0;
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
426 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
427
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
428 static void
54
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
429 cmd_reset()
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
430 {
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
431 printf_P(PSTR("reset\n"));
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
432 _delay_ms(100);
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
433 cli(); // disable interrupts
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
434 wdt_enable(WDTO_15MS); // enable watchdog
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
435 while(1); // wait for watchdog to reset processor
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
436 }
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
437
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
438 static void
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
439 cmd_measure()
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
440 {
33
024f5571df8c - Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents: 32
diff changeset
441 printf_P(PSTR("measuring\n"));
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
442 need_measurement = 1;
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
443 }
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
444
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
445 static void
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
446 cmd_sensors()
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
447 {
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
448 uint8_t ret = simple_ds18b20_start_meas(NULL);
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
449 printf_P(PSTR("All sensors, ret %hhu, waiting...\n"), ret);
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
450 long_delay(DS18B20_TCONV_12BIT);
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
451 simple_ds18b20_read_all();
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
452 }
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
453
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
454 static void
76
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
455 init_sensors()
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
456 {
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
457 uint8_t id[OW_ROMCODE_SIZE];
76
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
458 printf_P(PSTR("init sensors\n"));
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
459 ow_reset();
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
460 for( uint8_t diff = OW_SEARCH_FIRST; diff != OW_LAST_DEVICE; )
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
461 {
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
462 diff = ow_rom_search( diff, &id[0] );
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
463 if( diff == OW_PRESENCE_ERR ) {
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
464 printf_P( PSTR("No Sensor found\r") );
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
465 return;
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
466 }
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
467
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
468 if( diff == OW_DATA_ERR ) {
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
469 printf_P( PSTR("Bus Error\r") );
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
470 return;
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
471 }
76
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
472
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
473 if (n_sensors < MAX_SENSORS)
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
474 {
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
475 memcpy(sensor_id[n_sensors], id, ID_LEN);
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
476 printf_P(PSTR("Added sensor %hhu : "), n_sensors);
76
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
477 printhex(id, ID_LEN, stdout);
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
478 putchar('\n');
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
479 n_sensors++;
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
480 }
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
481 else
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
482 {
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
483 printf_P(PSTR("Too many sensors\n"));
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
484 }
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
485 }
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
486
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
487 max_measurements = TOTAL_MEASUREMENTS / n_sensors;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
488 }
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
489
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
490 static void
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
491 load_params()
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
492 {
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
493 uint16_t magic;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
494 eeprom_read(magic, magic);
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
495 if (magic == EXPECT_MAGIC)
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
496 {
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
497 eeprom_read(measure_wake, measure_wake);
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
498 eeprom_read(comms_wake, comms_wake);
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
499 eeprom_read(wake_secs, wake_secs);
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
500 eeprom_read(fridge_setpoint, fridge_setpoint);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
501 eeprom_read(fridge_difference, fridge_difference);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
502 eeprom_read(fridge_delay, fridge_delay);
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
503 }
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
504 }
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
505
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
506 static void
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
507 cmd_get_params()
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
508 {
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
509 printf_P(PSTR("measure %hu\n"), measure_wake);
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
510 printf_P(PSTR("comms %hu\n"), comms_wake);
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
511 printf_P(PSTR("wake %hhu\n"), wake_secs);
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
512 printf_P(PSTR("tick %d\n"), TICK);
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
513 printf_P(PSTR("fridge %.1fº\n"), fridge_setpoint / 10.0f);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
514 printf_P(PSTR("fridge difference %.1fº\n"), fridge_difference / 10.0f);
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
515 printf_P(PSTR("fridge_delay %hu\n"), fridge_delay);
81
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
516 printf_P(PSTR("sensors %hhu (%hhu)\n"),
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
517 n_sensors, MAX_SENSORS);
4a2a82d6302c try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 80
diff changeset
518 printf_P(PSTR("meas %hu (%hu)\n"),
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
519 max_measurements, TOTAL_MEASUREMENTS);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
520 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
521
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
522 static void
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
523 cmd_set_params(const char *params)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
524 {
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
525 uint16_t new_measure_wake;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
526 uint16_t new_comms_wake;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
527 uint8_t new_wake_secs;
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
528 int ret = sscanf_P(params, PSTR("%hu %hu %hhu"),
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
529 &new_measure_wake, &new_comms_wake, &new_wake_secs);
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
530
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
531 if (ret != 3)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
532 {
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
533 printf_P(PSTR("Bad values\n"));
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
534 }
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
535 else
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
536 {
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
537 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
538 {
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
539 eeprom_write(new_measure_wake, measure_wake);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
540 eeprom_write(new_comms_wake, comms_wake);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
541 eeprom_write(new_wake_secs, wake_secs);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
542 uint16_t magic = EXPECT_MAGIC;
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
543 eeprom_write(magic, magic);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
544 }
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
545 printf_P(PSTR("set_params for next boot\n"));
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
546 printf_P(PSTR("measure %hu comms %hu wake %hhu\n"),
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
547 new_measure_wake, new_comms_wake, new_wake_secs);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
548 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
549 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
550
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
551 // returns true if eeprom was written
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
552 static bool
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
553 set_initial_eeprom()
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
554 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
555 uint16_t magic;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
556 eeprom_read(magic, magic);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
557 if (magic == EXPECT_MAGIC)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
558 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
559 return false;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
560 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
561
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
562 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
563 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
564 eeprom_write(measure_wake, measure_wake);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
565 eeprom_write(comms_wake, comms_wake);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
566 eeprom_write(wake_secs, wake_secs);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
567 eeprom_write(fridge_setpoint, fridge_setpoint);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
568 eeprom_write(fridge_difference, fridge_difference);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
569 eeprom_write(fridge_delay, fridge_delay);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
570 magic = EXPECT_MAGIC;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
571 eeprom_write(magic, magic);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
572 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
573
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
574 return true;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
575 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
576
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
577 static void
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
578 cmd_set_fridge_setpoint(char *params)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
579 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
580 float new_f = atof(params);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
581 if (new_f < 2 || new_f > 30)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
582 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
583 printf_P(PSTR("Bad fridge value %f\n"), new_f);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
584 return;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
585 }
114
b0ec7b783c0b start of fridge bits
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
586
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
587 int16_t old_setpoint = fridge_setpoint;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
588
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
589 fridge_setpoint = new_f * 10;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
590 bool written = set_initial_eeprom();
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
591 if (!written)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
592 {
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
593 if (old_setpoint != fridge_setpoint)
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
594 {
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
595 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
596 {
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
597 eeprom_write(fridge_setpoint, fridge_setpoint);
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
598 }
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
599 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
600 }
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
601 printf_P(PSTR("old fridge %.1fº new fridge %.1fº\n"),
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
602 old_setpoint / 10.0f, fridge_setpoint / 10.0f);
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
603 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
604
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
605 static void
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
606 cmd_set_fridge_difference(char *params)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
607 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
608 float new_f = atof(params);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
609 if (new_f < 0 || new_f > 30)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
610 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
611 printf_P(PSTR("Bad fridge value %f\n"), new_f);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
612 return;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
613 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
614
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
615 fridge_difference = new_f * 10;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
616 bool written = set_initial_eeprom();
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
617 if (!written)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
618 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
619 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
620 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
621 eeprom_write(fridge_difference, fridge_difference);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
622 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
623 }
118
bb0c946460f3 a bit more logging. make printf floats work
Matt Johnston <matt@ucc.asn.au>
parents: 117
diff changeset
624 printf_P(PSTR("new fridge difference %.1fº\n"), fridge_difference / 10.0f);
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
625 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
626
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
627 static void
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
628 cmd_set_fridge_delay(char *params)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
629 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
630 uint16_t new_delay = atoi(params);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
631 if (new_delay < 5)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
632 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
633 printf_P(PSTR("Bad fridge delay %d\n"), new_delay);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
634 return;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
635 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
636
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
637 fridge_delay = new_delay;
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
638 bool written = set_initial_eeprom();
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
639 if (!written)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
640 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
641 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
642 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
643 eeprom_write(fridge_delay, fridge_delay);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
644 }
114
b0ec7b783c0b start of fridge bits
Matt Johnston <matt@ucc.asn.au>
parents: 105
diff changeset
645 }
118
bb0c946460f3 a bit more logging. make printf floats work
Matt Johnston <matt@ucc.asn.au>
parents: 117
diff changeset
646 printf_P(PSTR("new fridge delay %hu\n"), fridge_delay);
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
647 }
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
648
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
649 static void
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
650 cmd_awake()
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
651 {
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
652 stay_awake = 1;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
653 printf_P(PSTR("awake\n"));
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
654 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
655
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
656 static void
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
657 read_handler()
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
658 {
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
659 if (strcmp_P(readbuf, PSTR("fetch")) == 0)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
660 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
661 cmd_fetch();
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
662 }
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
663 else if (strcmp_P(readbuf, PSTR("clear")) == 0)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
664 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
665 cmd_clear();
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
666 }
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
667 else if (strcmp_P(readbuf, PSTR("btoff")) == 0)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
668 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
669 cmd_btoff();
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
670 }
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
671 else if (strcmp_P(readbuf, PSTR("measure")) == 0)
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
672 {
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
673 cmd_measure();
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
674 }
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
675 else if (strcmp_P(readbuf, PSTR("sensors")) == 0)
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
676 {
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
677 cmd_sensors();
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
678 }
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
679 else if (strcmp_P(readbuf, PSTR("get_params")) == 0)
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
680 {
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
681 cmd_get_params();
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
682 }
83
b9179968a272 - fix set_params (strange)
Matt Johnston <matt@ucc.asn.au>
parents: 81
diff changeset
683 else if (strncmp_P(readbuf, PSTR("set_params "), 11) == 0)
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
684 {
83
b9179968a272 - fix set_params (strange)
Matt Johnston <matt@ucc.asn.au>
parents: 81
diff changeset
685 cmd_set_params(&readbuf[11]);
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
686 }
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
687 else if (strcmp_P(readbuf, PSTR("awake")) == 0)
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
688 {
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
689 cmd_awake();
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
690 }
116
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
691 else if (strncmp_P(readbuf, PSTR("fridge_setpoint "), 16) == 0)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
692 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
693 cmd_set_fridge_setpoint(&readbuf[16]);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
694 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
695 else if (strncmp_P(readbuf, PSTR("fridge_diff "), 12) == 0)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
696 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
697 cmd_set_fridge_difference(&readbuf[12]);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
698 }
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
699 else if (strncmp_P(readbuf, PSTR("fridge_delay "), 13) == 0)
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
700 {
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
701 cmd_set_fridge_delay(&readbuf[13]);
9afff8f29844 set fridge params separatelly
Matt Johnston <matt@ucc.asn.au>
parents: 115
diff changeset
702 }
54
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
703 else if (strcmp_P(readbuf, PSTR("reset")) == 0)
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
704 {
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
705 cmd_reset();
0d3d14af55c2 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 52
diff changeset
706 }
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
707 else
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
708 {
83
b9179968a272 - fix set_params (strange)
Matt Johnston <matt@ucc.asn.au>
parents: 81
diff changeset
709 printf_P(PSTR("Bad command '%s'\n"), readbuf);
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
710 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
711 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
712
20
878be5e353a0 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 19
diff changeset
713 ISR(INT0_vect)
18
bf733e8e8cf0 Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
714 {
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
715 button_pressed = 1;
24
44c5ab5ea879 - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 22
diff changeset
716 blink();
44c5ab5ea879 - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 22
diff changeset
717 _delay_ms(100);
44c5ab5ea879 - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 22
diff changeset
718 blink();
18
bf733e8e8cf0 Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
719 }
bf733e8e8cf0 Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
720
bf733e8e8cf0 Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
721
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
722 ISR(USART_RX_vect)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
723 {
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
724 char c = UDR0;
33
024f5571df8c - Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents: 32
diff changeset
725 #ifdef HAVE_UART_ECHO
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
726 uart_putchar(c, NULL);
33
024f5571df8c - Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents: 32
diff changeset
727 #endif
22
885532437100 A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 20
diff changeset
728 if (c == '\r' || c == '\n')
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
729 {
22
885532437100 A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 20
diff changeset
730 if (readpos > 0)
885532437100 A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 20
diff changeset
731 {
885532437100 A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 20
diff changeset
732 readbuf[readpos] = '\0';
27
dbbd503119ba Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
733 have_cmd = 1;
22
885532437100 A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 20
diff changeset
734 readpos = 0;
885532437100 A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 20
diff changeset
735 }
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
736 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
737 else
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
738 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
739 readbuf[readpos] = c;
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
740 readpos++;
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
741 if (readpos >= sizeof(readbuf))
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
742 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
743 readpos = 0;
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
744 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
745 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
746 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
747
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
748 ISR(TIMER2_COMPA_vect)
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
749 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
750 TCNT2 = 0;
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
751 measure_count += TICK;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
752 comms_count += TICK;
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
753
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
754 clock_epoch += TICK;
17
a5e3b363675d Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 16
diff changeset
755
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
756 if (comms_timeout != 0)
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
757 {
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
758 comms_timeout -= TICK;
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
759 }
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
760
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
761 if (measure_count >= measure_wake)
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
762 {
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
763 measure_count = 0;
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
764 need_measurement = 1;
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
765 }
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
766
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
767 if (comms_count >= comms_wake)
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
768 {
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
769 comms_count = 0;
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
770 need_comms = 1;
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
771 }
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
772 }
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
773
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
774 static void
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
775 deep_sleep()
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
776 {
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
777 // p119 of manual
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
778 OCR2A = SLEEP_COMPARE;
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
779 loop_until_bit_is_clear(ASSR, OCR2AUB);
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
780
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
781 set_sleep_mode(SLEEP_MODE_PWR_SAVE);
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
782 sleep_mode();
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
783 }
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
784
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
785 static void
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
786 idle_sleep()
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
787 {
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
788 set_sleep_mode(SLEEP_MODE_IDLE);
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
789 sleep_mode();
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
790 }
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
791
59
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
792 static uint16_t
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
793 adc_vcc()
55
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
794 {
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
795 PRR &= ~_BV(PRADC);
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
796
62
Matt Johnston <matt@ucc.asn.au>
parents: 60 61
diff changeset
797 // /16 prescaler
55
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
798 ADCSRA = _BV(ADEN) | _BV(ADPS2);
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
799
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
800 // set to measure 1.1 reference
58
5100e0bdadad fix voltage
Matt Johnston <matt@ucc.asn.au>
parents: 55
diff changeset
801 ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
60
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
802 // average a number of samples
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
803 uint16_t sum = 0;
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
804 uint8_t num = 0;
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
805 for (uint8_t n = 0; n < 20; n++)
59
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
806 {
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
807 ADCSRA |= _BV(ADSC);
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
808 loop_until_bit_is_clear(ADCSRA, ADSC);
55
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
809
60
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
810 uint8_t low_11 = ADCL;
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
811 uint8_t high_11 = ADCH;
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
812 uint16_t val = low_11 + (high_11 << 8);
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
813
60
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
814 if (n >= 4)
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
815 {
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
816 sum += val;
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
817 num++;
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
818 }
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
819 }
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
820 ADCSRA = 0;
2ebe33714989 average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 59
diff changeset
821 PRR |= _BV(PRADC);
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
822
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
823 //float res_volts = 1.1 * 1024 * num / sum;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
824 //return 1000 * res_volts;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
825 return ((uint32_t)1100*1024*num) / sum;
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
826 }
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
827
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
828 static void
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
829 do_fridge()
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
830 {
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
831 struct epoch_ticks now;
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
832 get_epoch_ticks(&now);
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
833 uint16_t off_time = now.ticks - fridge_off_clock.ticks;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
834 bool wort_valid = last_wort != DS18X20_INVALID_DECICELSIUS;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
835 bool fridge_valid = last_fridge != DS18X20_INVALID_DECICELSIUS;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
836
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
837 int16_t wort_max = fridge_setpoint + fridge_difference;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
838 int16_t wort_min = fridge_setpoint;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
839
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
840 // the fridge min only applies when the wort is in the desired range.
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
841 int16_t fridge_min = fridge_setpoint - FRIDGE_AIR_MIN_RANGE;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
842 int16_t fridge_max = fridge_setpoint + FRIDGE_AIR_MAX_RANGE;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
843
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
844 uint8_t fridge_on = PORT_FRIDGE & _BV(PIN_FRIDGE);
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
845 printf_P(PSTR("last_wort %hd (%hd, %hd), last_fridge %hd (%hd, %hd), setpoint %hd, diff %hd, fridge_on %d\n"),
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
846 last_wort, wort_min, wort_max,
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
847 fridge_setpoint, fridge_min, fridge_max,
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
848 fridge_difference, fridge_on);
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
849
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
850 if (off_time < fridge_delay)
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
851 {
118
bb0c946460f3 a bit more logging. make printf floats work
Matt Johnston <matt@ucc.asn.au>
parents: 117
diff changeset
852 printf_P(PSTR("waiting for fridge delay current %hu, wait %hu\n"),
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
853 off_time, fridge_delay);
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
854 return;
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
855 }
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
856
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
857
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
858 if (fridge_on)
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
859 {
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
860 bool turn_off = false;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
861 uint16_t on_time = now.ticks - fridge_on_clock.ticks;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
862
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
863 // *10 for decicelcius
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
864 uint16_t overshoot = OVERSHOOT_SCALE * 10.0f * MAX(3600, on_time) / 3600.0;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
865
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
866 // wort has cooled enough. will probably cool a bit more by itself
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
867 if (wort_valid && (last_wort-overshoot) <= fridge_setpoint)
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
868 {
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
869 printf_P("wort has cooled enough, overshoot %hu\n", overshoot);
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
870 turn_off = true;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
871 }
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
872
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
873 // fridge is much cooler than wort
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
874 if ((last_wort < wort_max || !wort_valid) &&
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
875 fridge_valid && last_fridge < fridge_min)
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
876 {
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
877 printf_P("fridge is too cold\n");
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
878 turn_off = true;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
879 }
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
880
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
881 if (turn_off)
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
882 {
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
883 // too cold, turn off
118
bb0c946460f3 a bit more logging. make printf floats work
Matt Johnston <matt@ucc.asn.au>
parents: 117
diff changeset
884 printf_P(PSTR("Turning fridge off\n"));
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
885 PORT_FRIDGE &= ~_BV(PIN_FRIDGE);
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
886 fridge_off_clock = now;
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
887 }
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
888 }
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
889 else
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
890 {
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
891 bool turn_on = false;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
892
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
893 if (wort_valid && last_wort >= wort_max)
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
894 {
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
895 printf_P("wort is too hot\n");
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
896 turn_on = true;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
897 }
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
898
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
899 if ((last_wort > wort_min || !wort_valid) &&
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
900 (fridge_valid && last_fridge > fridge_setpoint))
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
901 {
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
902 printf_P("fridge is too hot\n");
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
903 turn_on = true;
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
904 }
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
905
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
906 if (turn_on)
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
907 {
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
908 // too hot, turn on
118
bb0c946460f3 a bit more logging. make printf floats work
Matt Johnston <matt@ucc.asn.au>
parents: 117
diff changeset
909 printf_P(PSTR("Turning fridge on\n"));
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
910 PORT_FRIDGE |= _BV(PIN_FRIDGE);
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
911 fridge_on_clock = now;
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
912 }
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
913 }
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
914 }
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
915
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
916 static void
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
917 do_measurement()
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
918 {
75
ca08442635ca report raw ds18b20 values instead
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
919 blink();
ca08442635ca report raw ds18b20 values instead
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
920
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
921 /* Take the timer here since deep_sleep() below could take 6 seconds */
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
922 get_epoch_ticks(&last_measurement_clock);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
923 if (n_measurements == 0)
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
924 {
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
925 first_measurement_clock = last_measurement_clock;
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
926 }
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
927
55
8e897a682208 untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 54
diff changeset
928 simple_ds18b20_start_meas(NULL);
59
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
929 // sleep rather than using a long delay
117
eecd2612a68e stay on
Matt Johnston <matt@ucc.asn.au>
parents: 116
diff changeset
930 idle_sleep();
59
d5b269352ba0 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 58
diff changeset
931 //_delay_ms(DS18B20_TCONV_12BIT);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
932
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
933 if (n_measurements == max_measurements)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
934 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
935 n_measurements = 0;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
936 }
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
937
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
938 for (uint8_t s = 0; s < n_sensors; s++)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
939 {
75
ca08442635ca report raw ds18b20 values instead
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
940 uint16_t reading;
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
941 uint8_t ret = simple_ds18b20_read_raw(sensor_id[s], &reading);
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
942 if (ret != DS18X20_OK)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
943 {
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
944 reading = VALUE_BROKEN;
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
945 }
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
946 set_measurement(s, n_measurements, reading);
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
947
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
948 if (memcmp(sensor_id[s], fridge_id, sizeof(fridge_id)) == 0)
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
949 {
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
950 last_fridge = ds18b20_raw16_to_decicelsius(reading);
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
951 }
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
952 if (memcmp(sensor_id[s], wort_id, sizeof(wort_id)) == 0)
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
953 {
121
45c051a7db82 try and take account of the fridge temperature too
Matt Johnston <matt@ucc.asn.au>
parents: 118
diff changeset
954 last_wort = ds18b20_raw16_to_decicelsius(reading);
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
955 }
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
956 }
22
885532437100 A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 20
diff changeset
957
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
958 n_measurements++;
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
959 }
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
960
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
961 static void
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
962 do_comms()
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
963 {
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
964 get_epoch_ticks(&last_comms_clock);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
965
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
966 // turn on bluetooth
24
44c5ab5ea879 - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 22
diff changeset
967 set_aux_power(1);
89
51d889ad39a3 main.c : add a delay before turning on uart
Matt Johnston <matt@ucc.asn.au>
parents: 87
diff changeset
968 // avoid receiving rubbish, perhaps
51d889ad39a3 main.c : add a delay before turning on uart
Matt Johnston <matt@ucc.asn.au>
parents: 87
diff changeset
969 _delay_ms(50);
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
970 uart_on();
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
971
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
972 // write sd card here? same 3.3v regulator...
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
973
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
974 for (comms_timeout = wake_secs;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
975 comms_timeout > 0 || stay_awake;
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
976 )
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
977 {
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
978 if (need_measurement)
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
979 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
980 need_measurement = 0;
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
981 do_measurement();
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
982 do_fridge();
44
96c336896201 mostly works for testing
Matt Johnston <matt@ucc.asn.au>
parents: 41
diff changeset
983 continue;
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
984 }
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
985
27
dbbd503119ba Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
986 if (have_cmd)
dbbd503119ba Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
987 {
dbbd503119ba Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
988 have_cmd = 0;
dbbd503119ba Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
989 read_handler();
44
96c336896201 mostly works for testing
Matt Johnston <matt@ucc.asn.au>
parents: 41
diff changeset
990 continue;
27
dbbd503119ba Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
991 }
dbbd503119ba Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
992
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
993 // wait for commands from the master
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
994 idle_sleep();
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
995 }
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
996
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
997 uart_off();
46
9ccd965d938a Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 44
diff changeset
998 // in case bluetooth takes time to flush
9ccd965d938a Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 44
diff changeset
999 _delay_ms(100);
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1000 set_aux_power(0);
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
1001 }
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
1002
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1003 static void
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1004 blink()
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1005 {
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1006 PORT_LED &= ~_BV(PIN_LED);
9
7da9a3f23592 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 8
diff changeset
1007 _delay_ms(1);
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1008 PORT_LED |= _BV(PIN_LED);
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1009 }
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1010
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1011 static void
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1012 long_delay(int ms)
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1013 {
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1014 int iter = ms / 100;
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1015
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1016 for (int i = 0; i < iter; i++)
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1017 {
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1018 _delay_ms(100);
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1019 }
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1020 }
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1021
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
1022 ISR(BADISR_vect)
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
1023 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
1024 //uart_on();
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
1025 printf_P(PSTR("Bad interrupt\n"));
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
1026 }
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
1027
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1028 int main(void)
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1029 {
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1030 setup_chip();
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1031 blink();
9
7da9a3f23592 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 8
diff changeset
1032
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1033 set_aux_power(0);
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1034
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
1035 stdout = &mystdout;
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1036 uart_on();
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
1037
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1038 printf(PSTR("Started.\n"));
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
1039
80
1e2068c5413a - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 79
diff changeset
1040 load_params();
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
1041
76
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
1042 init_sensors();
6e47a61edc47 don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 75
diff changeset
1043
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
1044 uart_off();
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1045
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
1046 // turn off everything except timer2
46
9ccd965d938a Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 44
diff changeset
1047 PRR = _BV(PRTWI) | _BV(PRTIM0) | _BV(PRTIM1) | _BV(PRSPI) | _BV(PRUSART0) | _BV(PRADC);
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
1048
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1049 setup_tick_counter();
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1050
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
1051 sei();
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
1052
25
2943f62c8e62 - Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
1053 need_comms = 1;
36
a670a67ba489 - decrease measurement interval, measure at start
Matt Johnston <matt@ucc.asn.au>
parents: 33
diff changeset
1054 need_measurement = 1;
25
2943f62c8e62 - Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
1055
117
eecd2612a68e stay on
Matt Johnston <matt@ucc.asn.au>
parents: 116
diff changeset
1056 stay_awake = 1;
eecd2612a68e stay on
Matt Johnston <matt@ucc.asn.au>
parents: 116
diff changeset
1057
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1058 for(;;)
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1059 {
90
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
1060 if (button_pressed)
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
1061 {
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
1062 // debounce
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
1063 _delay_ms(200);
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
1064 need_comms = 1;
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
1065 comms_timeout = wake_secs;
a1c1c2d475b0 print the remainder of timers as well
Matt Johnston <matt@ucc.asn.au>
parents: 89
diff changeset
1066 button_pressed = 0;
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
1067 continue;
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
1068 }
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
1069
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
1070 if (need_comms)
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
1071 {
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
1072 need_comms = 0;
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
1073 do_comms();
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
1074 continue;
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
1075 }
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
1076
97
bf707a3775d2 change default comms_wake
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
1077 if (need_measurement)
bf707a3775d2 change default comms_wake
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
1078 {
bf707a3775d2 change default comms_wake
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
1079 need_measurement = 0;
bf707a3775d2 change default comms_wake
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
1080 do_measurement();
115
90d1ebb941ab untested fridge control
Matt Johnston <matt@ucc.asn.au>
parents: 114
diff changeset
1081 do_fridge();
97
bf707a3775d2 change default comms_wake
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
1082 continue;
bf707a3775d2 change default comms_wake
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
1083 }
bf707a3775d2 change default comms_wake
Matt Johnston <matt@ucc.asn.au>
parents: 93
diff changeset
1084
41
1701457e6007 fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 40
diff changeset
1085 deep_sleep();
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1086 }
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
1087
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1088 return 0; /* never reached */
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1089 }