annotate main.c @ 330:7ac6b8846eea

- some fixes for server code - don't turn off bluetooth in avr code
author Matt Johnston <matt@ucc.asn.au>
date Wed, 06 Jun 2012 22:32:49 +0800
parents 46070aaf29ea
children 2943f62c8e62
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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 30
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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
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89 static uint8_t measure_count;
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90 static uint16_t comms_count;
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91
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92 static uint32_t clock_epoch;
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93
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94 // thanks to http://projectgus.com/2010/07/eeprom-access-with-arduino/
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95 #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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96 #define eeprom_read(dst, eeprom_field) eeprom_read_to((&dst), eeprom_field, sizeof(dst))
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97 #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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98 #define eeprom_write(src, eeprom_field) { eeprom_write_from(&src, eeprom_field, sizeof(src)); }
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99
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100 #define EXPECT_MAGIC 0x67c9
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101
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102 struct __attribute__ ((__packed__)) __eeprom_data {
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103 uint16_t magic;
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104 uint8_t n_sensors;
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105 uint8_t sensor_id[MAX_SENSORS][ID_LEN];
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106 };
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107
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108 #define DEBUG(str) printf_P(PSTR(str))
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109
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110 static void deep_sleep();
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111
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112 // Very first setup
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113 static void
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114 setup_chip()
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115 {
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116 // Set clock to 2mhz
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117 cli();
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118 CLKPR = _BV(CLKPCE);
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119 // divide by 4
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120 CLKPR = _BV(CLKPS1);
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121 sei();
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122
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123 // 3.3v power for bluetooth and SD
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124 DDR_LED |= _BV(PIN_LED);
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125 DDR_SHDN |= _BV(PIN_SHDN);
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126
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127 // INT0 setup
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128 EIMSK = _BV(INT0);
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129 // set pullup
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130 PORTD |= _BV(PD2);
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131 }
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133 static void
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134 set_aux_power(uint8_t on)
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135 {
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136 if (on)
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137 {
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138 PORT_SHDN &= ~_BV(PIN_SHDN);
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139 }
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140 else
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141 {
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142 //PORT_SHDN |= _BV(PIN_SHDN);
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143 }
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144 }
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145
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146 static void
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147 setup_tick_counter()
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148 {
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149 // set up counter2.
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150 // COM21 COM20 Set OC2 on Compare Match (p116)
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151 // WGM21 Clear counter on compare
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152 //TCCR2A = _BV(COM2A1) | _BV(COM2A0) | _BV(WGM21);
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153 // toggle on match
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154 TCCR2A = _BV(COM2A0);
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155 // CS22 CS21 CS20 clk/1024
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156 TCCR2B = _BV(CS22) | _BV(CS21) | _BV(CS20);
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diff changeset
157 // set async mode
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diff changeset
158 ASSR |= _BV(AS2);
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diff changeset
159 TCNT2 = 0;
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parents: 321
diff changeset
160 OCR2A = SLEEP_COMPARE;
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parents: 321
diff changeset
161 // interrupt
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parents: 321
diff changeset
162 TIMSK2 = _BV(OCIE2A);
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parents: 321
diff changeset
163 }
324
e3664732f11f Add INT0 button
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parents: 321
diff changeset
164
306
848b0fe159d2 Some basic bits
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parents:
diff changeset
165 static void
313
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diff changeset
166 uart_on()
306
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diff changeset
167 {
314
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diff changeset
168 // Power reduction register
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diff changeset
169 //PRR &= ~_BV(PRUSART0);
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diff changeset
170
322
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diff changeset
171 // All of this needs to be done each time after turning off the PRR
306
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172 // baud rate
313
139ecb1840fd serial prints something
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diff changeset
173 UBRR0H = (unsigned char)(UBRR >> 8);
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diff changeset
174 UBRR0L = (unsigned char)UBRR;
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diff changeset
175 // set 2x clock, improves accuracy of UBRR
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diff changeset
176 UCSR0A |= _BV(U2X0);
312
ef64a178092f - Some basic ADC code
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diff changeset
177 UCSR0B = _BV(RXCIE0) | _BV(RXEN0) | _BV(TXEN0);
306
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parents:
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178 //8N1
313
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diff changeset
179 UCSR0C = _BV(UCSZ01) | _BV(UCSZ00);
312
ef64a178092f - Some basic ADC code
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parents: 311
diff changeset
180 }
ef64a178092f - Some basic ADC code
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diff changeset
181
ef64a178092f - Some basic ADC code
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parents: 311
diff changeset
182 static void
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diff changeset
183 uart_off()
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diff changeset
184 {
330
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diff changeset
185 #if 0
312
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diff changeset
186 // Turn of interrupts and disable tx/rx
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diff changeset
187 UCSR0B = 0;
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diff changeset
188
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diff changeset
189 // Power reduction register
314
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190 //PRR |= _BV(PRUSART0);
330
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diff changeset
191 #endif
306
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192 }
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parents:
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193
316
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diff changeset
194 int
306
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diff changeset
195 uart_putchar(char c, FILE *stream)
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196 {
326
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diff changeset
197 // XXX could perhaps sleep in the loop for power.
314
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198 if (c == '\n')
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diff changeset
199 {
316
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diff changeset
200 loop_until_bit_is_set(UCSR0A, UDRE0);
326
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parents: 325
diff changeset
201 UDR0 = '\r';
314
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parents: 313
diff changeset
202 }
308
e36ee3e156c1 switch to atmega328
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diff changeset
203 loop_until_bit_is_set(UCSR0A, UDRE0);
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parents: 307
diff changeset
204 UDR0 = c;
326
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diff changeset
205 if (stream == crc_stdout)
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parents: 325
diff changeset
206 {
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parents: 325
diff changeset
207 crc_out = _crc_ccitt_update(crc_out, '\n');
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parents: 325
diff changeset
208 }
316
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parents: 315
diff changeset
209 if (c == '\r')
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parents: 315
diff changeset
210 {
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parents: 315
diff changeset
211 loop_until_bit_is_set(UCSR0A, UDRE0);
326
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parents: 325
diff changeset
212 UDR0 = '\n';
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parents: 325
diff changeset
213 if (stream == crc_stdout)
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
214 {
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parents: 325
diff changeset
215 crc_out = _crc_ccitt_update(crc_out, '\n');
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parents: 325
diff changeset
216 }
316
8f32eb67a279 reading DS18B20 works
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parents: 315
diff changeset
217 }
306
848b0fe159d2 Some basic bits
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parents:
diff changeset
218 return 0;
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parents:
diff changeset
219 }
848b0fe159d2 Some basic bits
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parents:
diff changeset
220
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parents:
diff changeset
221 static void
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parents:
diff changeset
222 cmd_fetch()
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parents:
diff changeset
223 {
326
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parents: 325
diff changeset
224 crc_out = 0;
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
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diff changeset
225 uint8_t n_sensors;
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diff changeset
226 eeprom_read(n_sensors, n_sensors);
319
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
227
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
228 fprintf_P(crc_stdout, PSTR("START\n"));
328
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diff changeset
229 fprintf_P(crc_stdout, PSTR("now=%lu\n"), clock_epoch);
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parents: 326
diff changeset
230 fprintf_P(crc_stdout, PSTR("first_time=%lu\n"), first_measurement_clock);
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parents: 326
diff changeset
231 fprintf_P(crc_stdout, PSTR("last_time=%lu\n"), last_measurement_clock);
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
232 fprintf_P(crc_stdout, PSTR("sensors=%d\n"), n_measurements);
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
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parents: 320
diff changeset
233 for (uint8_t s = 0; s < n_sensors; s++)
df7384336798 Add shutdown handling, print sensors in "fetch" output
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parents: 320
diff changeset
234 {
df7384336798 Add shutdown handling, print sensors in "fetch" output
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parents: 320
diff changeset
235 uint8_t id[ID_LEN];
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
236 fprintf_P(crc_stdout, PSTR("sensor_id%d="), s);
321
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parents: 320
diff changeset
237 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
238 printhex(id, ID_LEN, crc_stdout);
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parents: 325
diff changeset
239 fputc('\n', crc_stdout);
321
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parents: 320
diff changeset
240 }
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
241 fprintf_P(crc_stdout, PSTR("measurements=%d\n"), n_measurements);
320
cff7a4459dc9 Lots of it works now.
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parents: 319
diff changeset
242 for (uint16_t n = 0; n < n_measurements; n++)
306
848b0fe159d2 Some basic bits
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parents:
diff changeset
243 {
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
244 fprintf_P(crc_stdout, PSTR("meas%3d="), n);
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
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parents: 320
diff changeset
245 for (uint8_t s = 0; s < n_sensors; s++)
319
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
246 {
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
247 fprintf_P(crc_stdout, PSTR(" %6d"), measurements[n][s]);
319
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
248 }
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
249 fputc('\n', crc_stdout);
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
250 }
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
251 fprintf_P(crc_stdout, PSTR("END\n"));
f6b5941b4c34 Untested - calculate crc in uart_putchar
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parents: 325
diff changeset
252 fprintf_P(stdout, PSTR("CRC=%d\n"), crc_out);
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
253 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
254
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
255 static void
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
256 cmd_clear()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
257 {
313
139ecb1840fd serial prints something
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parents: 312
diff changeset
258 n_measurements = 0;
139ecb1840fd serial prints something
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parents: 312
diff changeset
259 printf_P(PSTR("Cleared\n"));
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
260 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
261
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
262 static void
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
263 cmd_btoff()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
264 {
328
46070aaf29ea A bit of work on the server python
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parents: 326
diff changeset
265 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
266 printf_P(PSTR("off:%d\n"), next_wake);
313
139ecb1840fd serial prints something
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parents: 312
diff changeset
267 _delay_ms(50);
322
840f51824254 untested, add comms timeout code
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parents: 321
diff changeset
268 comms_timeout = 0;
306
848b0fe159d2 Some basic bits
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parents:
diff changeset
269 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
270
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
271 static void
318
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
272 cmd_measure()
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
273 {
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
274 printf_P(PSTR("Measuring\n"));
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
275 need_measurement = 1;
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
276 }
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
277
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
278 static void
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
279 cmd_sensors()
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
280 {
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
281 uint8_t ret = simple_ds18b20_start_meas(NULL);
320
cff7a4459dc9 Lots of it works now.
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parents: 319
diff changeset
282 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
283 long_delay(DS18B20_TCONV_12BIT);
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
284 simple_ds18b20_read_all();
31199b2941f6 Add simple_ds18b20.c etc
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parents: 316
diff changeset
285 }
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
286
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
287 #if 0
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
288 // 0 on success
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
289 static uint8_t
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
290 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
291 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
292 uint8_t upper;
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
293 uint8_t o;
9621436cfa07 Add eeprom stuff
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parents: 318
diff changeset
294 for (uint8_t i = 0, z = 0; o < size; i++)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
295 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
296 uint8_t h = hex[i];
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
297 if (h >= 'A' && h <= 'F')
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
298 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
299 // lower case
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
300 h += 0x20;
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 nibble;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
303 if (h >= '0' && h <= '9')
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 nibble = h - '0';
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
306 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
307 else if (h >= 'a' && h <= 'f')
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
308 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
309 nibble = 10 + h - 'a';
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 else if (h == ' ' || h == ':')
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 continue;
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 else
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 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
318 return 1;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
319 }
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 if (z % 2 == 0)
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 upper = nibble << 4;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
324 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
325 else
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 out[o] = upper | nibble;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
328 o++;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
329 }
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 z++;
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
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
334 if (o != size)
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 printf_P(PSTR("Short hex\n"));
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
337 return 1;
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 return 0;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
340 }
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
341 #endif
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
342
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
343 static void
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
344 add_sensor(uint8_t *id)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
345 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
346 uint8_t n;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
347 eeprom_read(n, n_sensors);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
348 if (n < MAX_SENSORS)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
349 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
350 cli();
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
351 eeprom_write_from(id, sensor_id[n], ID_LEN);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
352 n++;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
353 eeprom_write(n, n_sensors);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
354 sei();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
355 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
356 printhex(id, ID_LEN, stdout);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
357 putchar('\n');
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
358 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
359 else
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
360 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
361 printf_P(PSTR("Too many sensors\n"));
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
362 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
363 }
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 static void
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
366 cmd_add_all()
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
367 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
368 uint8_t id[OW_ROMCODE_SIZE];
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
369 printf_P("Adding all\n");
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
370 ow_reset();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
371 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
372 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
373 diff = ow_rom_search( diff, &id[0] );
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
374 if( diff == OW_PRESENCE_ERR ) {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
375 printf_P( PSTR("No Sensor found\r") );
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
376 return;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
377 }
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 if( diff == OW_DATA_ERR ) {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
380 printf_P( PSTR("Bus Error\r") );
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
381 return;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
382 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
383 add_sensor(id);
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 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
386
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
387 static void
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
388 cmd_init()
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
389 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
390 printf_P(PSTR("Resetting sensor list\n"));
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
391 uint8_t zero = 0;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
392 cli();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
393 eeprom_write(zero, n_sensors);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
394 sei();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
395 printf_P(PSTR("Done.\n"));
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
396 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
397
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
398 static void
323
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
399 cmd_settime(const char *str)
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
400 {
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
401 clock_epoch = strtoul(str, NULL, 10);
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
402 printf_P(PSTR("Time set to %lu\n"), clock_epoch);
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
403 }
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
404
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
405 static void
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
406 check_first_startup()
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
407 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
408 uint16_t magic;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
409 eeprom_read(magic, magic);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
410 if (magic != EXPECT_MAGIC)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
411 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
412 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
413 // 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
414 long_delay(2);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
415 cmd_init();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
416 cmd_add_all();
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
417 cli();
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
418 magic = EXPECT_MAGIC;
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
419 eeprom_write(magic, magic);
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
420 sei();
319
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 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
423
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
424 static void
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
425 read_handler()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
426 {
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
427 if (strcmp_P(readbuf, PSTR("fetch")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
428 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
429 cmd_fetch();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
430 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
431 else if (strcmp_P(readbuf, PSTR("clear")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
432 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
433 cmd_clear();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
434 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
435 else if (strcmp_P(readbuf, PSTR("btoff")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
436 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
437 cmd_btoff();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
438 }
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
439 else if (strcmp_P(readbuf, PSTR("measure")) == 0)
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
440 {
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
441 cmd_measure();
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
442 }
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
443 else if (strcmp_P(readbuf, PSTR("sensors")) == 0)
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
444 {
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
445 cmd_sensors();
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
446 }
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
447 else if (strcmp_P(readbuf, PSTR("addall"))== 0)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
448 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
449 cmd_add_all();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
450 }
323
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
451 else if (strncmp_P(readbuf, PSTR("settime "),
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
452 strlen("settime ") == 0))
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
453 {
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
454 cmd_settime(&readbuf[strlen("settime ")]);
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
455 }
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
456 else if (strcmp_P(readbuf, PSTR("init")) == 0)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
457 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
458 cmd_init();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
459 }
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
460 else
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
461 {
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
462 printf_P(PSTR("Bad command\n"));
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
463 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
464 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
465
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
466 ISR(INT0_vect)
324
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
467 {
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
468 need_comms = 1;
330
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);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
477 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
478 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
479 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
480 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
481 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
482 _delay_ms(100);
324
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
483 }
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
484
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
485
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
486 ISR(USART_RX_vect)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
487 {
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
488 char c = UDR0;
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
489 uart_putchar(c, NULL);
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
490 // XXX move this out of interrupt handler
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
491 if (c == '\r' || c == '\n')
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
492 {
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
493 if (readpos > 0)
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
494 {
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
495 readbuf[readpos] = '\0';
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
496 read_handler();
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
497 readpos = 0;
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
498 }
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
499 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
500 else
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 readbuf[readpos] = c;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
503 readpos++;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
504 if (readpos >= sizeof(readbuf))
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
505 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
506 readpos = 0;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
507 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
508 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
509 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
510
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
511 ISR(TIMER2_COMPA_vect)
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
512 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
513 TCNT2 = 0;
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
514 measure_count ++;
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
515 comms_count ++;
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
516
323
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
517 clock_epoch ++;
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
518
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
519 if (comms_timeout != 0)
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
520 {
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
521 comms_timeout--;
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
522 }
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
523
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
524 if (measure_count >= MEASURE_WAKE)
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
525 {
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
526 measure_count = 0;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
527 need_measurement = 1;
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
528 }
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
529
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
530 if (comms_count >= COMMS_WAKE)
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
531 {
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
532 comms_count = 0;
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
533 need_comms = 1;
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
534 }
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
535
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
536 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
537
309
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
538 DWORD get_fattime (void)
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
539 {
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
540 return 0;
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
541 }
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
542
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
543 static void
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
544 deep_sleep()
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 // p119 of manual
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
547 OCR2A = SLEEP_COMPARE;
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
548 loop_until_bit_is_clear(ASSR, OCR2AUB);
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
549
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
550 set_sleep_mode(SLEEP_MODE_PWR_SAVE);
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
551 sleep_mode();
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
552 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
553
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
554 static void
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
555 idle_sleep()
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
556 {
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
557 set_sleep_mode(SLEEP_MODE_IDLE);
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
558 sleep_mode();
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
559 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
560
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
561 #if 0
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
562 // untested
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
563 static void
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
564 do_adc_335()
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
565 {
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
566 //PRR &= ~_BV(PRADC);
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
567
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
568 ADMUX = _BV(ADLAR);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
569
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
570 // ADPS2 = /16 prescaler, 62khz at 1mhz clock
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
571 ADCSRA = _BV(ADEN) | _BV(ADPS2);
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 // measure value
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
574 ADCSRA |= _BV(ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
575 loop_until_bit_is_clear(ADCSRA, ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
576 uint8_t low = ADCL;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
577 uint8_t high = ADCH;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
578 uint16_t f_measure = low + (high << 8);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
579
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
580 // set to measure 1.1 reference
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
581 ADMUX = _BV(ADLAR) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
582 ADCSRA |= _BV(ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
583 loop_until_bit_is_clear(ADCSRA, ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
584 uint8_t low_11 = ADCL;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
585 uint8_t high_11 = ADCH;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
586 uint16_t f_11 = low_11 + (high_11 << 8);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
587
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
588 float res_volts = 1.1 * f_measure / f_11;
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 // 10mV/degree
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
591 // scale to 1/5 degree units above 0C
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
592 int temp = (res_volts - 2.73) * 500;
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
593 // XXX fixme
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
594 //measurements[n_measurements] = temp;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
595 // XXX something if it hits the limit
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 // measure AVR internal temperature against 1.1 ref.
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
598 ADMUX = _BV(ADLAR) | _BV(MUX3) | _BV(REFS1) | _BV(REFS0);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
599 ADCSRA |= _BV(ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
600 loop_until_bit_is_clear(ADCSRA, ADSC);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
601 uint16_t res_internal = ADCL;
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
602 res_internal |= ADCH << 8;
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 float internal_volts = res_internal * (1.1 / 1024.0);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
605
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
606 // 1mV/degree
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
607 int internal_temp = (internal_volts - 2.73) * 5000;
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
608 // XXX fixme
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
609 //internal_measurements[n_measurements] = internal_temp;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
610
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
611 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
612 n_measurements, temp, internal_temp, f_11);
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
613
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
614 n_measurements++;
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
615 //PRR |= _BV(PRADC);
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
616 }
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
617 #endif
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
618
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
619 static void
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
620 do_measurement()
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
621 {
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
622 uint8_t n_sensors;
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
623 printf("do_measurement\n");
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
624 eeprom_read(n_sensors, n_sensors);
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
625 printf("do_measurement sensors %d\n", n_sensors);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
626
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
627 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
628 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
629 _delay_ms(DS18B20_TCONV_12BIT);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
630
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
631 if (n_measurements == NUM_MEASUREMENTS)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
632 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
633 printf_P(PSTR("Measurements .overflow\n"));
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
634 n_measurements = 0;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
635 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
636
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
637 for (uint8_t s = 0; s < MAX_SENSORS; s++)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
638 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
639 int16_t decicelsius;
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
640 if (s >= n_sensors)
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 decicelsius = VALUE_NOSENSOR;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
643 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
644 else
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
645 {
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
646 uint8_t id[ID_LEN];
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
647 eeprom_read_to(id, sensor_id[s], ID_LEN);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
648
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
649 uint8_t ret = simple_ds18b20_read_decicelsius(id, &decicelsius);
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
650 if (ret != DS18X20_OK)
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
651 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
652 decicelsius = VALUE_BROKEN;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
653 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
654 }
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
655 measurements[n_measurements][s] = decicelsius;
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
656 }
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
657
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
658 if (n_measurements == 0)
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
659 {
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
660 first_measurement_clock = clock_epoch;
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
661 }
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
662 last_measurement_clock = clock_epoch;
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
663
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
664 n_measurements++;
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
665 //do_adc_335();
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
666 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
667
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
668 static void
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
669 do_comms()
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
670 {
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
671 // turn on bluetooth
330
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
672 set_aux_power(1);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
673 uart_on();
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
674
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
675 // 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
676
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
677 printf("ready> \n");
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
678
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
679 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
680 {
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
681 if (need_measurement)
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
682 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
683 need_measurement = 0;
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
684 printf("measure from do_comms\n");
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
685 do_measurement();
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
686 }
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
687
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
688 // wait for commands from the master
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
689 idle_sleep();
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
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
692 uart_off();
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
693 set_aux_power(0);
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
694 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
695
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
696 static void
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
697 blink()
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 PORT_LED &= ~_BV(PIN_LED);
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
700 _delay_ms(1);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
701 PORT_LED |= _BV(PIN_LED);
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
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
704 static void
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
705 long_delay(int ms)
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 int iter = 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 for (int i = 0; i < iter; i++)
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
710 {
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
711 _delay_ms(100);
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
712 }
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
713 }
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
714
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
715 ISR(BADISR_vect)
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
716 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
717 //uart_on();
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
718 printf_P(PSTR("Bad interrupt\n"));
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
719 }
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
720
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
721
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
722 int main(void)
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
723 {
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
724 setup_chip();
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
725 blink();
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
726
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
727 set_aux_power(0);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
728
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
729 stdout = &mystdout;
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
730 uart_on();
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
731
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
732 printf(PSTR("Started.\n"));
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
733
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
734 check_first_startup();
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
735
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
736 uart_off();
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
737
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
738 // turn off everything except timer2
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
739 //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
740
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
741 // for testing
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
742 uart_on();
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
743
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
744 setup_tick_counter();
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
745
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
746 sei();
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
747
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
748 #if 0
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
749 for (;;)
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
750 {
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
751 do_comms();
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
752 }
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
753 #endif
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
754
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
755 for(;;)
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
756 {
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
757 if (need_measurement)
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
758 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
759 need_measurement = 0;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
760 do_measurement();
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
761 continue;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
762 }
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
763
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
764 if (need_comms)
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
765 {
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
766 need_comms = 0;
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
767 do_comms();
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
768 continue;
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
769 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
770
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
771 deep_sleep();
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
772 blink();
316
8f32eb67a279 reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 315
diff changeset
773 printf(".");
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
774 }
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
775
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
776 return 0; /* never reached */
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
777 }