annotate main.c @ 338:12123e390169

More minor work
author Matt Johnston <matt@ucc.asn.au>
date Thu, 14 Jun 2012 00:00:57 +0800
parents 298e502fdcd4
children 024f5571df8c
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1 /* Name: main.c
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2 * Author: <insert your name here>
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3 * Copyright: <insert your copyright message here>
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4 * License: <insert your license reference here>
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5 */
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6
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7 #include <stdio.h>
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8 #include <string.h>
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9 #include <stddef.h>
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10 #include <avr/io.h>
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11 #include <avr/interrupt.h>
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12 #include <avr/sleep.h>
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13 #include <util/delay.h>
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14 #include <avr/pgmspace.h>
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15 #include <avr/eeprom.h>
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16 #include <util/crc16.h>
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17
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18 // for DWORD of get_fattime()
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19 #include "integer.h"
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20
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21 #include "simple_ds18b20.h"
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22 #include "onewire.h"
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23
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24 // configuration params
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25 // - measurement interval
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26 // - transmit interval
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27 // - bluetooth params
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28 // - number of sensors (and range?)
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29
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30 // 1 second. we have 1024 prescaler, 32768 crystal.
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31 #define SLEEP_COMPARE 32
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32 #define MEASURE_WAKE 10
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33
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34 #define VALUE_NOSENSOR -9000
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35 #define VALUE_BROKEN -8000
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36
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37 // limited to uint16_t for now
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38 #define COMMS_WAKE 3600
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39 #define WAKE_SECS 250 // XXX testing
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40
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41 #define BAUD 19200
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42 #define UBRR ((F_CPU)/8/(BAUD)-1)
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43
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44 #define PORT_LED PORTC
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45 #define DDR_LED DDRC
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46 #define PIN_LED PC4
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47
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48 #define PORT_SHDN PORTD
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49 #define DDR_SHDN DDRD
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50 #define PIN_SHDN PD7
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51
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52 #define NUM_MEASUREMENTS 100
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53 #define MAX_SENSORS 5
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54
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55 // fixed at 8, have a shorter name
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56 #define ID_LEN OW_ROMCODE_SIZE
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57
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58 int uart_putchar(char c, FILE *stream);
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59 static void long_delay(int ms);
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60 static void blink();
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61
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62 static FILE mystdout = FDEV_SETUP_STREAM(uart_putchar, NULL,
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63 _FDEV_SETUP_WRITE);
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64
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65 uint16_t crc_out;
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66 static FILE _crc_stdout = FDEV_SETUP_STREAM(uart_putchar, NULL,
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67 _FDEV_SETUP_WRITE);
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68 // convenience
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69 static FILE *crc_stdout = &_crc_stdout;
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70
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71 static uint16_t n_measurements;
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72 // stored as decidegrees
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73 static int16_t measurements[NUM_MEASUREMENTS][MAX_SENSORS];
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74 static uint32_t first_measurement_clock;
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75 // last_measurement_clock is redundant but checks that we're not missing
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76 // samples
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77 static uint32_t last_measurement_clock;
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79 // boolean flags
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80 static uint8_t need_measurement;
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81 static uint8_t need_comms;
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82
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83 // counts down from WAKE_SECS to 0, goes to deep sleep when hits 0
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84 static uint8_t comms_timeout;
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85
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86 static uint8_t readpos;
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87 static char readbuf[30];
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88 static uint8_t have_cmd;
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89
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90 static uint8_t measure_count;
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91 static uint16_t comms_count;
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92
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93 static uint32_t clock_epoch;
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94
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95 // thanks to http://projectgus.com/2010/07/eeprom-access-with-arduino/
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96 #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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97 #define eeprom_read(dst, eeprom_field) eeprom_read_to((&dst), eeprom_field, sizeof(dst))
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98 #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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99 #define eeprom_write(src, eeprom_field) { eeprom_write_from(&src, eeprom_field, sizeof(src)); }
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100
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101 #define EXPECT_MAGIC 0x67c9
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102
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103 struct __attribute__ ((__packed__)) __eeprom_data {
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104 uint16_t magic;
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105 uint8_t n_sensors;
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106 uint8_t sensor_id[MAX_SENSORS][ID_LEN];
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107 };
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108
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109 #define DEBUG(str) printf_P(PSTR(str))
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110
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111 static void deep_sleep();
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112
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113 // Very first setup
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114 static void
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115 setup_chip()
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116 {
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117 // Set clock to 2mhz
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118 cli();
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119 CLKPR = _BV(CLKPCE);
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120 // divide by 4
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121 CLKPR = _BV(CLKPS1);
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122 sei();
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123
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124 // 3.3v power for bluetooth and SD
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125 DDR_LED |= _BV(PIN_LED);
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126 DDR_SHDN |= _BV(PIN_SHDN);
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127
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128 // INT0 setup
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129 EIMSK = _BV(INT0);
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130 // set pullup
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131 PORTD |= _BV(PD2);
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132 }
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133
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134 static void
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135 set_aux_power(uint8_t on)
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136 {
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137 if (on)
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138 {
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139 PORT_SHDN &= ~_BV(PIN_SHDN);
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140 }
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141 else
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142 {
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143 //PORT_SHDN |= _BV(PIN_SHDN);
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144 }
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145 }
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146
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147 static void
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148 setup_tick_counter()
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149 {
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150 // set up counter2.
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151 // COM21 COM20 Set OC2 on Compare Match (p116)
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152 // WGM21 Clear counter on compare
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153 //TCCR2A = _BV(COM2A1) | _BV(COM2A0) | _BV(WGM21);
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154 // toggle on match
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155 TCCR2A = _BV(COM2A0);
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156 // CS22 CS21 CS20 clk/1024
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diff changeset
157 TCCR2B = _BV(CS22) | _BV(CS21) | _BV(CS20);
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diff changeset
158 // set async mode
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diff changeset
159 ASSR |= _BV(AS2);
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diff changeset
160 TCNT2 = 0;
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parents: 321
diff changeset
161 OCR2A = SLEEP_COMPARE;
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parents: 321
diff changeset
162 // interrupt
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diff changeset
163 TIMSK2 = _BV(OCIE2A);
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parents: 321
diff changeset
164 }
324
e3664732f11f Add INT0 button
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parents: 321
diff changeset
165
306
848b0fe159d2 Some basic bits
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parents:
diff changeset
166 static void
313
139ecb1840fd serial prints something
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parents: 312
diff changeset
167 uart_on()
306
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diff changeset
168 {
314
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diff changeset
169 // Power reduction register
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diff changeset
170 //PRR &= ~_BV(PRUSART0);
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diff changeset
171
322
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diff changeset
172 // All of this needs to be done each time after turning off the PRR
306
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173 // baud rate
313
139ecb1840fd serial prints something
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diff changeset
174 UBRR0H = (unsigned char)(UBRR >> 8);
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diff changeset
175 UBRR0L = (unsigned char)UBRR;
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diff changeset
176 // set 2x clock, improves accuracy of UBRR
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diff changeset
177 UCSR0A |= _BV(U2X0);
312
ef64a178092f - Some basic ADC code
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diff changeset
178 UCSR0B = _BV(RXCIE0) | _BV(RXEN0) | _BV(TXEN0);
306
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parents:
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179 //8N1
313
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diff changeset
180 UCSR0C = _BV(UCSZ01) | _BV(UCSZ00);
312
ef64a178092f - Some basic ADC code
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parents: 311
diff changeset
181 }
ef64a178092f - Some basic ADC code
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parents: 311
diff changeset
182
ef64a178092f - Some basic ADC code
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parents: 311
diff changeset
183 static void
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diff changeset
184 uart_off()
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diff changeset
185 {
330
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diff changeset
186 #if 0
312
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diff changeset
187 // Turn of interrupts and disable tx/rx
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diff changeset
188 UCSR0B = 0;
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diff changeset
189
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diff changeset
190 // Power reduction register
314
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diff changeset
191 //PRR |= _BV(PRUSART0);
330
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diff changeset
192 #endif
306
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193 }
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parents:
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194
316
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parents: 315
diff changeset
195 int
306
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196 uart_putchar(char c, FILE *stream)
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197 {
326
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diff changeset
198 // XXX could perhaps sleep in the loop for power.
314
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199 if (c == '\n')
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parents: 313
diff changeset
200 {
316
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diff changeset
201 loop_until_bit_is_set(UCSR0A, UDRE0);
326
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diff changeset
202 UDR0 = '\r';
314
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parents: 313
diff changeset
203 }
308
e36ee3e156c1 switch to atmega328
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diff changeset
204 loop_until_bit_is_set(UCSR0A, UDRE0);
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parents: 307
diff changeset
205 UDR0 = c;
326
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diff changeset
206 if (stream == crc_stdout)
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parents: 325
diff changeset
207 {
332
05c1249da994 - Move crc16 to utils and fix it
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parents: 331
diff changeset
208 crc_out = _crc_ccitt_update(crc_out, c);
326
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parents: 325
diff changeset
209 }
316
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parents: 315
diff changeset
210 if (c == '\r')
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parents: 315
diff changeset
211 {
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parents: 315
diff changeset
212 loop_until_bit_is_set(UCSR0A, UDRE0);
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
213 UDR0 = '\n';
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parents: 325
diff changeset
214 if (stream == crc_stdout)
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parents: 325
diff changeset
215 {
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parents: 325
diff changeset
216 crc_out = _crc_ccitt_update(crc_out, '\n');
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parents: 325
diff changeset
217 }
316
8f32eb67a279 reading DS18B20 works
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parents: 315
diff changeset
218 }
306
848b0fe159d2 Some basic bits
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parents:
diff changeset
219 return 0;
848b0fe159d2 Some basic bits
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parents:
diff changeset
220 }
848b0fe159d2 Some basic bits
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parents:
diff changeset
221
848b0fe159d2 Some basic bits
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parents:
diff changeset
222 static void
848b0fe159d2 Some basic bits
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parents:
diff changeset
223 cmd_fetch()
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parents:
diff changeset
224 {
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
225 crc_out = 0;
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
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diff changeset
226 uint8_t n_sensors;
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diff changeset
227 eeprom_read(n_sensors, n_sensors);
319
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
228
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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diff changeset
229 fprintf_P(crc_stdout, PSTR("START\n"));
333
298e502fdcd4 Add some web server handling
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diff changeset
230 fprintf_P(crc_stdout, PSTR("now=%lu\n"
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parents: 332
diff changeset
231 "time_step=%lu\n"
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parents: 332
diff changeset
232 "first_time=%lu\n"
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parents: 332
diff changeset
233 "last_time=%lu\n"),
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parents: 332
diff changeset
234 clock_epoch,
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parents: 332
diff changeset
235 MEASURE_WAKE,
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parents: 332
diff changeset
236 first_measurement_clock,
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parents: 332
diff changeset
237 last_measurement_clock);
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parents: 332
diff changeset
238 fprintf_P(crc_stdout, PSTR("sensors=%u\n"), n_sensors);
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
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parents: 320
diff changeset
239 for (uint8_t s = 0; s < n_sensors; s++)
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parents: 320
diff changeset
240 {
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parents: 320
diff changeset
241 uint8_t id[ID_LEN];
333
298e502fdcd4 Add some web server handling
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parents: 332
diff changeset
242 fprintf_P(crc_stdout, PSTR("sensor_id%u="), s);
321
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parents: 320
diff changeset
243 eeprom_read_to(id, sensor_id[s], ID_LEN);
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
244 printhex(id, ID_LEN, crc_stdout);
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
245 fputc('\n', crc_stdout);
321
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parents: 320
diff changeset
246 }
333
298e502fdcd4 Add some web server handling
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parents: 332
diff changeset
247 fprintf_P(crc_stdout, PSTR("measurements=%u\n"), n_measurements);
320
cff7a4459dc9 Lots of it works now.
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parents: 319
diff changeset
248 for (uint16_t n = 0; n < n_measurements; n++)
306
848b0fe159d2 Some basic bits
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parents:
diff changeset
249 {
333
298e502fdcd4 Add some web server handling
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parents: 332
diff changeset
250 fprintf_P(crc_stdout, PSTR("meas%u="), n);
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
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parents: 320
diff changeset
251 for (uint8_t s = 0; s < n_sensors; s++)
319
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
252 {
333
298e502fdcd4 Add some web server handling
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parents: 332
diff changeset
253 fprintf_P(crc_stdout, PSTR(" %u"), measurements[n][s]);
319
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
254 }
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
255 fputc('\n', crc_stdout);
306
848b0fe159d2 Some basic bits
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parents:
diff changeset
256 }
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
257 fprintf_P(crc_stdout, PSTR("END\n"));
331
5de3fc71ce48 - Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents: 330
diff changeset
258 fprintf_P(stdout, PSTR("CRC=%hu\n"), crc_out);
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
259 }
848b0fe159d2 Some basic bits
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parents:
diff changeset
260
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261 static void
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
262 cmd_clear()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263 {
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
264 n_measurements = 0;
338
12123e390169 More minor work
Matt Johnston <matt@ucc.asn.au>
parents: 333
diff changeset
265 printf_P(PSTR("cleared\n"));
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
266 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
267
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
268 static void
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
269 cmd_btoff()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
270 {
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
271 uint16_t next_wake = COMMS_WAKE - comms_count;
46070aaf29ea A bit of work on the server python
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parents: 326
diff changeset
272 printf_P(PSTR("off:%d\n"), next_wake);
313
139ecb1840fd serial prints something
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parents: 312
diff changeset
273 _delay_ms(50);
322
840f51824254 untested, add comms timeout code
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parents: 321
diff changeset
274 comms_timeout = 0;
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
275 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
276
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
277 static void
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
278 cmd_measure()
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
279 {
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
280 printf_P(PSTR("Measuring\n"));
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
281 need_measurement = 1;
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
282 }
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
283
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
284 static void
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
285 cmd_sensors()
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
286 {
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
287 uint8_t ret = simple_ds18b20_start_meas(NULL);
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
288 printf_P(PSTR("All sensors, ret %d, waiting...\n"), ret);
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
289 long_delay(DS18B20_TCONV_12BIT);
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
290 simple_ds18b20_read_all();
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
291 }
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
292
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
293 #if 0
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
294 // 0 on success
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
295 static uint8_t
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
296 get_hex_string(const char *hex, uint8_t *out, uint8_t size)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
297 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
298 uint8_t upper;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
299 uint8_t o;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
300 for (uint8_t i = 0, z = 0; o < size; i++)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
301 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
302 uint8_t h = hex[i];
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
303 if (h >= 'A' && h <= 'F')
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
304 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
305 // lower case
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
306 h += 0x20;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
307 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
308 uint8_t nibble;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
309 if (h >= '0' && h <= '9')
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
310 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
311 nibble = h - '0';
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
312 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
313 else if (h >= 'a' && h <= 'f')
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
314 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
315 nibble = 10 + h - 'a';
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
316 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
317 else if (h == ' ' || h == ':')
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
318 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
319 continue;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
320 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
321 else
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
322 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
323 printf_P(PSTR("Bad hex 0x%x '%c'\n"), hex[i], hex[i]);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
324 return 1;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
325 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
326
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
327 if (z % 2 == 0)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
328 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
329 upper = nibble << 4;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
330 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
331 else
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
332 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
333 out[o] = upper | nibble;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
334 o++;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
335 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
336
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
337 z++;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
338 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
339
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
340 if (o != size)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
341 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
342 printf_P(PSTR("Short hex\n"));
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
343 return 1;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
344 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
345 return 0;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
346 }
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
347 #endif
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
348
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
349 static void
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
350 add_sensor(uint8_t *id)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
351 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
352 uint8_t n;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
353 eeprom_read(n, n_sensors);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
354 if (n < MAX_SENSORS)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
355 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
356 cli();
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
357 eeprom_write_from(id, sensor_id[n], ID_LEN);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
358 n++;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
359 eeprom_write(n, n_sensors);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
360 sei();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
361 printf_P(PSTR("Added sensor %d : "), n);
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
362 printhex(id, ID_LEN, stdout);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
363 putchar('\n');
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
364 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
365 else
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
366 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
367 printf_P(PSTR("Too many sensors\n"));
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
368 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
369 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
370
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
371 static void
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
372 cmd_add_all()
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
373 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
374 uint8_t id[OW_ROMCODE_SIZE];
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
375 printf_P("Adding all\n");
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
376 ow_reset();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
377 for( uint8_t diff = OW_SEARCH_FIRST; diff != OW_LAST_DEVICE; )
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
378 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
379 diff = ow_rom_search( diff, &id[0] );
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
380 if( diff == OW_PRESENCE_ERR ) {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
381 printf_P( PSTR("No Sensor found\r") );
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
382 return;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
383 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
384
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
385 if( diff == OW_DATA_ERR ) {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
386 printf_P( PSTR("Bus Error\r") );
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
387 return;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
388 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
389 add_sensor(id);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
390 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
391 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
392
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
393 static void
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
394 cmd_init()
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
395 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
396 printf_P(PSTR("Resetting sensor list\n"));
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
397 uint8_t zero = 0;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
398 cli();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
399 eeprom_write(zero, n_sensors);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
400 sei();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
401 printf_P(PSTR("Done.\n"));
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
402 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
403
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
404 static void
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
405 check_first_startup()
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
406 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
407 uint16_t magic;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
408 eeprom_read(magic, magic);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
409 if (magic != EXPECT_MAGIC)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
410 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
411 printf_P(PSTR("First boot, looking for sensors...\n"));
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
412 // in case of power fumbles don't want to reset during eeprom write,
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
413 long_delay(2);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
414 cmd_init();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
415 cmd_add_all();
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
416 cli();
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
417 magic = EXPECT_MAGIC;
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
418 eeprom_write(magic, magic);
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
419 sei();
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
420 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
421 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
422
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
423 static void
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
424 read_handler()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
425 {
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
426 if (strcmp_P(readbuf, PSTR("fetch")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
427 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
428 cmd_fetch();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
429 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
430 else if (strcmp_P(readbuf, PSTR("clear")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
431 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
432 cmd_clear();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
433 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
434 else if (strcmp_P(readbuf, PSTR("btoff")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
435 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
436 cmd_btoff();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
437 }
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
438 else if (strcmp_P(readbuf, PSTR("measure")) == 0)
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
439 {
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
440 cmd_measure();
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
441 }
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
442 else if (strcmp_P(readbuf, PSTR("sensors")) == 0)
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
443 {
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
444 cmd_sensors();
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
445 }
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
446 else if (strcmp_P(readbuf, PSTR("addall"))== 0)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
447 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
448 cmd_add_all();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
449 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
450 else if (strcmp_P(readbuf, PSTR("init")) == 0)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
451 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
452 cmd_init();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
453 }
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
454 else
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
455 {
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
456 printf_P(PSTR("Bad command\n"));
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
457 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
458 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
459
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
460 ISR(INT0_vect)
324
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
461 {
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
462 need_comms = 1;
330
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
463 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
464 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
465 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
466 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
467 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
468 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
469 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
470 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
471 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
472 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
473 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
474 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
475 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
476 _delay_ms(100);
324
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
477 }
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
478
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
479
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
480 ISR(USART_RX_vect)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
481 {
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
482 char c = UDR0;
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
483 uart_putchar(c, NULL);
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
484 if (c == '\r' || c == '\n')
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
485 {
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
486 if (readpos > 0)
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
487 {
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
488 readbuf[readpos] = '\0';
333
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
489 have_cmd = 1;
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
490 readpos = 0;
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
491 }
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
492 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
493 else
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
494 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
495 readbuf[readpos] = c;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
496 readpos++;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
497 if (readpos >= sizeof(readbuf))
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
498 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
499 readpos = 0;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
500 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
501 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
502 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
503
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
504 ISR(TIMER2_COMPA_vect)
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
505 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
506 TCNT2 = 0;
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
507 measure_count ++;
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
508 comms_count ++;
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
509
323
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
510 clock_epoch ++;
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
511
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
512 if (comms_timeout != 0)
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
513 {
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
514 comms_timeout--;
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
515 }
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
516
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
517 if (measure_count >= MEASURE_WAKE)
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
518 {
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
519 measure_count = 0;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
520 need_measurement = 1;
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
521 }
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
522
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
523 if (comms_count >= COMMS_WAKE)
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
524 {
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
525 comms_count = 0;
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
526 need_comms = 1;
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
527 }
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
528
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
529 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
530
309
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
531 DWORD get_fattime (void)
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
532 {
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
533 return 0;
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
534 }
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
535
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
536 static void
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
537 deep_sleep()
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
538 {
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
539 // p119 of manual
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
540 OCR2A = SLEEP_COMPARE;
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
541 loop_until_bit_is_clear(ASSR, OCR2AUB);
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
542
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
543 set_sleep_mode(SLEEP_MODE_PWR_SAVE);
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
544 sleep_mode();
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
545 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
546
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
547 static void
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
548 idle_sleep()
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
549 {
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
550 set_sleep_mode(SLEEP_MODE_IDLE);
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
551 sleep_mode();
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
552 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
553
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
554 #if 0
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
555 // untested
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
556 static void
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
557 do_adc_335()
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
558 {
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
559 //PRR &= ~_BV(PRADC);
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
560
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
561 ADMUX = _BV(ADLAR);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
562
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
563 // ADPS2 = /16 prescaler, 62khz at 1mhz clock
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
564 ADCSRA = _BV(ADEN) | _BV(ADPS2);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
565
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
566 // measure value
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
567 ADCSRA |= _BV(ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
568 loop_until_bit_is_clear(ADCSRA, ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
569 uint8_t low = ADCL;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
570 uint8_t high = ADCH;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
571 uint16_t f_measure = low + (high << 8);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
572
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
573 // set to measure 1.1 reference
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
574 ADMUX = _BV(ADLAR) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
575 ADCSRA |= _BV(ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
576 loop_until_bit_is_clear(ADCSRA, ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
577 uint8_t low_11 = ADCL;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
578 uint8_t high_11 = ADCH;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
579 uint16_t f_11 = low_11 + (high_11 << 8);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
580
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
581 float res_volts = 1.1 * f_measure / f_11;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
582
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
583 // 10mV/degree
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
584 // scale to 1/5 degree units above 0C
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
585 int temp = (res_volts - 2.73) * 500;
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
586 // XXX fixme
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
587 //measurements[n_measurements] = temp;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
588 // XXX something if it hits the limit
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
589
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
590 // measure AVR internal temperature against 1.1 ref.
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
591 ADMUX = _BV(ADLAR) | _BV(MUX3) | _BV(REFS1) | _BV(REFS0);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
592 ADCSRA |= _BV(ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
593 loop_until_bit_is_clear(ADCSRA, ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
594 uint16_t res_internal = ADCL;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
595 res_internal |= ADCH << 8;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
596
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
597 float internal_volts = res_internal * (1.1 / 1024.0);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
598
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
599 // 1mV/degree
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
600 int internal_temp = (internal_volts - 2.73) * 5000;
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
601 // XXX fixme
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
602 //internal_measurements[n_measurements] = internal_temp;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
603
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
604 printf_P("measure %d: external %d, internal %d, 1.1 %d\n",
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
605 n_measurements, temp, internal_temp, f_11);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
606
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
607 n_measurements++;
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
608 //PRR |= _BV(PRADC);
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
609 }
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
610 #endif
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
611
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
612 static void
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
613 do_measurement()
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
614 {
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
615 uint8_t n_sensors;
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
616 printf("do_measurement\n");
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
617 eeprom_read(n_sensors, n_sensors);
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
618 printf("do_measurement sensors %d\n", n_sensors);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
619
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
620 uint8_t ret = simple_ds18b20_start_meas(NULL);
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
621 printf_P(PSTR("Read all sensors, ret %d, waiting...\n"), ret);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
622 _delay_ms(DS18B20_TCONV_12BIT);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
623
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
624 if (n_measurements == NUM_MEASUREMENTS)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
625 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
626 printf_P(PSTR("Measurements .overflow\n"));
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
627 n_measurements = 0;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
628 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
629
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
630 for (uint8_t s = 0; s < MAX_SENSORS; s++)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
631 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
632 int16_t decicelsius;
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
633 if (s >= n_sensors)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
634 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
635 decicelsius = VALUE_NOSENSOR;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
636 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
637 else
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
638 {
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
639 uint8_t id[ID_LEN];
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
640 eeprom_read_to(id, sensor_id[s], ID_LEN);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
641
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
642 uint8_t ret = simple_ds18b20_read_decicelsius(id, &decicelsius);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
643 if (ret != DS18X20_OK)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
644 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
645 decicelsius = VALUE_BROKEN;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
646 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
647 }
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
648 measurements[n_measurements][s] = decicelsius;
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
649 }
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
650
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
651 if (n_measurements == 0)
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
652 {
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
653 first_measurement_clock = clock_epoch;
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
654 }
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
655 last_measurement_clock = clock_epoch;
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
656
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
657 n_measurements++;
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
658 //do_adc_335();
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
659 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
660
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
661 static void
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
662 do_comms()
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
663 {
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
664 // turn on bluetooth
330
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
665 set_aux_power(1);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
666 uart_on();
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
667
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
668 // write sd card here? same 3.3v regulator...
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
669
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
670 for (comms_timeout = WAKE_SECS; comms_timeout > 0; )
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
671 {
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
672 if (need_measurement)
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
673 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
674 need_measurement = 0;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
675 do_measurement();
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
676 }
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
677
333
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
678 if (have_cmd)
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
679 {
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
680 have_cmd = 0;
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
681 read_handler();
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
682 }
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
683
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
684 // wait for commands from the master
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
685 idle_sleep();
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
686 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
687
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
688 uart_off();
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
689 set_aux_power(0);
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
690 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
691
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
692 static void
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
693 blink()
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
694 {
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
695 PORT_LED &= ~_BV(PIN_LED);
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
696 _delay_ms(1);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
697 PORT_LED |= _BV(PIN_LED);
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
698 }
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
699
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
700 static void
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
701 long_delay(int ms)
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
702 {
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
703 int iter = ms / 100;
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
704
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
705 for (int i = 0; i < iter; i++)
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
706 {
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
707 _delay_ms(100);
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
708 }
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
709 }
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
710
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
711 ISR(BADISR_vect)
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
712 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
713 //uart_on();
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
714 printf_P(PSTR("Bad interrupt\n"));
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
715 }
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
716
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
717
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
718 int main(void)
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
719 {
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
720 setup_chip();
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
721 blink();
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
722
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
723 set_aux_power(0);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
724
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
725 stdout = &mystdout;
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
726 uart_on();
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
727
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
728 printf(PSTR("Started.\n"));
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
729
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
730 check_first_startup();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
731
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
732 uart_off();
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
733
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
734 // turn off everything except timer2
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
735 //PRR = _BV(PRTWI) | _BV(PRTIM0) | _BV(PRTIM1) | _BV(PRSPI) | _BV(PRUSART0) | _BV(PRADC);
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
736
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
737 // for testing
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
738 uart_on();
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
739
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
740 setup_tick_counter();
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
741
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
742 sei();
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
743
331
5de3fc71ce48 - Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents: 330
diff changeset
744 need_comms = 1;
5de3fc71ce48 - Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents: 330
diff changeset
745
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
746 #if 0
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
747 for (;;)
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
748 {
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
749 do_comms();
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
750 }
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
751 #endif
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
752
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
753 for(;;)
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
754 {
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
755 if (need_measurement)
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
756 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
757 need_measurement = 0;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
758 do_measurement();
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
759 continue;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
760 }
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
761
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
762 if (need_comms)
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
763 {
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
764 need_comms = 0;
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
765 do_comms();
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
766 continue;
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
767 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
768
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
769 deep_sleep();
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
770 blink();
316
8f32eb67a279 reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 315
diff changeset
771 printf(".");
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
772 }
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
773
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
774 return 0; /* never reached */
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
775 }