annotate main.c @ 392:1a5f2449f760

fix dump.py's sock.send()
author Matt Johnston <matt@ucc.asn.au>
date Wed, 11 Jul 2012 23:43:36 +0800
parents 5e3880342390
children 81b8c84344c4
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1 #include <stdio.h>
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2 #include <string.h>
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3 #include <stddef.h>
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4 #include <avr/io.h>
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5 #include <avr/interrupt.h>
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6 #include <avr/sleep.h>
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7 #include <util/delay.h>
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8 #include <avr/pgmspace.h>
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9 #include <avr/eeprom.h>
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10 #include <avr/wdt.h>
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11 #include <util/atomic.h>
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12 #include <util/crc16.h>
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13
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14 // for DWORD of get_fattime()
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15 #include "integer.h"
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16
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17 #include "simple_ds18b20.h"
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18 #include "onewire.h"
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19
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20 // configuration params
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21 // - measurement interval
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22 // - transmit interval
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23 // - bluetooth params
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24 // - number of sensors (and range?)
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25
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26 // TICK should be 8 or less (8 untested). all timers need
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27 // to be a multiple.
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28
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29 #define TICK 6
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30 // we have 1024 prescaler, 32768 crystal.
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31 #define SLEEP_COMPARE (32*TICK-1)
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32
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33 #define VALUE_NOSENSOR 0x07D0 // 125 degrees
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34 #define VALUE_BROKEN 0x07D1 // 125.0625
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35
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36 #define BAUD 19200
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37 #define UBRR ((F_CPU)/8/(BAUD)-1)
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38
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39 #define PORT_LED PORTC
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40 #define DDR_LED DDRC
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41 #define PIN_LED PC4
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42
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43 #define PORT_SHDN PORTD
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44 #define DDR_SHDN DDRD
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45 #define PIN_SHDN PD7
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46
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47 // total amount of 16bit values available for measurements.
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48 // adjust emperically, be sure to allow enough stack space too
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49 #define TOTAL_MEASUREMENTS 840
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50
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51 // each sensor slot uses 8 bytes
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52 #define MAX_SENSORS 6
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53
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54 // fixed at 8, have a shorter name
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55 #define ID_LEN OW_ROMCODE_SIZE
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56
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57 // #define HAVE_UART_ECHO
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58
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59 // eeprom-settable parameters. all timeouts should
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60 // be a multiple of TICK (6 seconds probably)
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61 static uint16_t measure_wake = 120;
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62 static uint16_t comms_wake = 3600;
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63 static uint8_t wake_secs = 30;
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64
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65 // ---- Atomic guards required accessing these variables
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66 static uint32_t clock_epoch;
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67 static uint16_t comms_count;
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68 static uint16_t measure_count;
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69 // ---- End atomic guards required
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70
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71 static uint16_t n_measurements;
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72
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73 // calculated at startup as TOTAL_MEASUREMENTS/n_sensors
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74 static uint16_t max_measurements;
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75
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76 static uint16_t measurements[TOTAL_MEASUREMENTS];
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77 static uint32_t first_measurement_clock;
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78 // last_measurement_clock is redundant but checks that we're not missing
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79 // samples
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80 static uint32_t last_measurement_clock;
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81
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82 static uint32_t last_comms_clock;
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83
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84 // boolean flags
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85 static uint8_t need_measurement;
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86 static uint8_t need_comms;
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87 static uint8_t uart_enabled;
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88 static uint8_t stay_awake;
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89
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90 // counts down from WAKE_SECS to 0, goes to deep sleep when hits 0
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91 static uint8_t comms_timeout;
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92
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93 static uint8_t readpos;
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94 static char readbuf[30];
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95 static uint8_t have_cmd;
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96
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97 static uint8_t n_sensors;
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98 static uint8_t sensor_id[MAX_SENSORS][ID_LEN];
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99
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100
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101 int uart_putchar(char c, FILE *stream);
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102 static void long_delay(int ms);
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103 static void blink();
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104 static uint16_t adc_vcc();
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105
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106 static FILE mystdout = FDEV_SETUP_STREAM(uart_putchar, NULL,
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107 _FDEV_SETUP_WRITE);
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108
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109 static uint16_t crc_out;
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110 static FILE _crc_stdout = FDEV_SETUP_STREAM(uart_putchar, NULL,
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111 _FDEV_SETUP_WRITE);
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112 // convenience
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113 static FILE *crc_stdout = &_crc_stdout;
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114
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115
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116 // thanks to http://projectgus.com/2010/07/eeprom-access-with-arduino/
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117 #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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118 #define eeprom_read(dst, eeprom_field) eeprom_read_to((&dst), eeprom_field, sizeof(dst))
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119 #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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120 #define eeprom_write(src, eeprom_field) { eeprom_write_from(&src, eeprom_field, sizeof(src)); }
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121
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122 #define EXPECT_MAGIC 0x67c9
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123
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124 struct __attribute__ ((__packed__)) __eeprom_data {
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125 // XXX eeprom unused at present
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126 uint16_t magic;
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127 uint16_t measure_wake;
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128 uint16_t comms_wake;
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129 uint8_t wake_secs;
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130 };
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131
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132 static void deep_sleep();
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133
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134 // Very first setup
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135 static void
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136 setup_chip()
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137 {
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138 cli();
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139
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140 // stop watchdog timer (might have been used to cause a reset)
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141 wdt_reset();
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142 MCUSR &= ~_BV(WDRF);
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143 WDTCSR |= _BV(WDCE) | _BV(WDE);
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144 WDTCSR = 0;
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145
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146 // Set clock to 2mhz
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147 CLKPR = _BV(CLKPCE);
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148 // divide by 4
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149 CLKPR = _BV(CLKPS1);
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150
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151 // enable pullups
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diff changeset
152 PORTB = 0xff; // XXX change when using SPI
71d2cc90354a try a few more power saving measures, untested
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diff changeset
153 PORTD = 0xff;
71d2cc90354a try a few more power saving measures, untested
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parents: 352
diff changeset
154 PORTC = 0xff;
322
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parents: 321
diff changeset
155
325
Matt Johnston <matt@ucc.asn.au>
parents: 323 324
diff changeset
156 // 3.3v power for bluetooth and SD
322
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parents: 321
diff changeset
157 DDR_LED |= _BV(PIN_LED);
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diff changeset
158 DDR_SHDN |= _BV(PIN_SHDN);
325
Matt Johnston <matt@ucc.asn.au>
parents: 323 324
diff changeset
159
352
99f8b97a9449 Use the PRR etc, set value to proper ones
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parents: 349
diff changeset
160 // set pullup
99f8b97a9449 Use the PRR etc, set value to proper ones
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parents: 349
diff changeset
161 PORTD |= _BV(PD2);
347
56f22e29582a fix tabbing
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parents: 346
diff changeset
162 // INT0 setup
358
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parents: 352
diff changeset
163 EICRA = (1<<ISC01); // falling edge - data sheet says it won't work?
347
56f22e29582a fix tabbing
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parents: 346
diff changeset
164 EIMSK = _BV(INT0);
358
71d2cc90354a try a few more power saving measures, untested
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parents: 352
diff changeset
165
71d2cc90354a try a few more power saving measures, untested
Matt Johnston <matt@ucc.asn.au>
parents: 352
diff changeset
166 // comparator disable
71d2cc90354a try a few more power saving measures, untested
Matt Johnston <matt@ucc.asn.au>
parents: 352
diff changeset
167 ACSR = _BV(ACD);
71d2cc90354a try a few more power saving measures, untested
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parents: 352
diff changeset
168
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parents: 352
diff changeset
169 // disable adc pin input buffers
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parents: 352
diff changeset
170 DIDR0 = 0x3F; // acd0-adc5
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parents: 352
diff changeset
171 DIDR1 = (1<<AIN1D)|(1<<AIN0D); // ain0/ain1
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parents: 352
diff changeset
172
71d2cc90354a try a few more power saving measures, untested
Matt Johnston <matt@ucc.asn.au>
parents: 352
diff changeset
173 sei();
324
e3664732f11f Add INT0 button
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parents: 321
diff changeset
174 }
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parents: 321
diff changeset
175
322
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parents: 321
diff changeset
176 static void
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parents: 321
diff changeset
177 set_aux_power(uint8_t on)
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parents: 321
diff changeset
178 {
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parents: 321
diff changeset
179 if (on)
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parents: 321
diff changeset
180 {
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parents: 321
diff changeset
181 PORT_SHDN &= ~_BV(PIN_SHDN);
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parents: 321
diff changeset
182 }
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parents: 321
diff changeset
183 else
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parents: 321
diff changeset
184 {
349
e7f070855a22 mostly works for testing
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parents: 347
diff changeset
185 PORT_SHDN |= _BV(PIN_SHDN);
322
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diff changeset
186 }
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parents: 321
diff changeset
187 }
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parents: 321
diff changeset
188
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
189 static void
f4f0780708d1 - store settings in eeprom
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parents: 385
diff changeset
190 set_measurement(uint8_t sensor, uint16_t measurement, uint16_t reading)
f4f0780708d1 - store settings in eeprom
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parents: 385
diff changeset
191 {
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
192 measurements[sensor*max_measurements + measurement] = reading;
f4f0780708d1 - store settings in eeprom
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parents: 385
diff changeset
193 }
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
194
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
195 static uint16_t
f4f0780708d1 - store settings in eeprom
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parents: 385
diff changeset
196 get_measurement(uint8_t sensor, uint16_t measurement)
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
197 {
f4f0780708d1 - store settings in eeprom
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parents: 385
diff changeset
198 return measurements[sensor*max_measurements + measurement];
f4f0780708d1 - store settings in eeprom
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parents: 385
diff changeset
199 }
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
200
322
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Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
201 static void
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parents: 321
diff changeset
202 setup_tick_counter()
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Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
203 {
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Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
204 // set up counter2.
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Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
205 // COM21 COM20 Set OC2 on Compare Match (p116)
840f51824254 untested, add comms timeout code
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parents: 321
diff changeset
206 // WGM21 Clear counter on compare
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parents: 321
diff changeset
207 //TCCR2A = _BV(COM2A1) | _BV(COM2A0) | _BV(WGM21);
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parents: 321
diff changeset
208 // toggle on match
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
209 TCCR2A = _BV(COM2A0);
840f51824254 untested, add comms timeout code
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parents: 321
diff changeset
210 // CS22 CS21 CS20 clk/1024
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parents: 321
diff changeset
211 TCCR2B = _BV(CS22) | _BV(CS21) | _BV(CS20);
840f51824254 untested, add comms timeout code
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parents: 321
diff changeset
212 // set async mode
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
213 ASSR |= _BV(AS2);
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
214 TCNT2 = 0;
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
215 OCR2A = SLEEP_COMPARE;
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
216 // interrupt
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parents: 321
diff changeset
217 TIMSK2 = _BV(OCIE2A);
840f51824254 untested, add comms timeout code
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parents: 321
diff changeset
218 }
324
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
219
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
220 static void
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
221 uart_on()
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
222 {
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
223 // Power reduction register
352
99f8b97a9449 Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 349
diff changeset
224 PRR &= ~_BV(PRUSART0);
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
225
322
840f51824254 untested, add comms timeout code
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parents: 321
diff changeset
226 // All of this needs to be done each time after turning off the PRR
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
227 // baud rate
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
228 UBRR0H = (unsigned char)(UBRR >> 8);
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
229 UBRR0L = (unsigned char)UBRR;
139ecb1840fd serial prints something
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parents: 312
diff changeset
230 // set 2x clock, improves accuracy of UBRR
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
231 UCSR0A |= _BV(U2X0);
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
232 UCSR0B = _BV(RXCIE0) | _BV(RXEN0) | _BV(TXEN0);
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
233 //8N1
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
234 UCSR0C = _BV(UCSZ01) | _BV(UCSZ00);
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
235 uart_enabled = 1;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
236 }
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
237
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
238 static void
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
239 uart_off()
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
240 {
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
241 // Turn of interrupts and disable tx/rx
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
242 UCSR0B = 0;
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
243 uart_enabled = 0;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
244
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
245 // Power reduction register
352
99f8b97a9449 Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 349
diff changeset
246 PRR |= _BV(PRUSART0);
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
247 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
248
316
8f32eb67a279 reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 315
diff changeset
249 int
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
250 uart_putchar(char c, FILE *stream)
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
251 {
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
252 if (!uart_enabled)
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
253 {
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
254 return EOF;
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
255 }
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
256 // XXX could perhaps sleep in the loop for power.
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
257 if (c == '\n')
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
258 {
316
8f32eb67a279 reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 315
diff changeset
259 loop_until_bit_is_set(UCSR0A, UDRE0);
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
260 UDR0 = '\r';
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
261 }
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
262 loop_until_bit_is_set(UCSR0A, UDRE0);
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
263 UDR0 = c;
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
264 if (stream == crc_stdout)
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
265 {
332
05c1249da994 - Move crc16 to utils and fix it
Matt Johnston <matt@ucc.asn.au>
parents: 331
diff changeset
266 crc_out = _crc_ccitt_update(crc_out, c);
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
267 }
316
8f32eb67a279 reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 315
diff changeset
268 if (c == '\r')
8f32eb67a279 reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 315
diff changeset
269 {
8f32eb67a279 reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 315
diff changeset
270 loop_until_bit_is_set(UCSR0A, UDRE0);
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
271 UDR0 = '\n';
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
272 if (stream == crc_stdout)
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
273 {
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
274 crc_out = _crc_ccitt_update(crc_out, '\n');
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
275 }
316
8f32eb67a279 reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 315
diff changeset
276 }
346
d6219df77c41 main.c:
Matt Johnston <matt@ucc.asn.au>
parents: 341
diff changeset
277 return (unsigned char)c;
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
278 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
279
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
280 static void
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
281 cmd_fetch()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
282 {
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
283 crc_out = 0;
361
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
284
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
285 fprintf_P(crc_stdout, PSTR("START\n"));
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
286 {
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
287 uint32_t epoch_copy;
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
288 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
289 {
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
290 epoch_copy = clock_epoch;
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
291 }
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
292 fprintf_P(crc_stdout, PSTR("now=%lu\n"), epoch_copy);
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
293 }
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
294 fprintf_P(crc_stdout, PSTR("time_step=%hu\n"), measure_wake);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
295 fprintf_P(crc_stdout, PSTR("first_time=%lu\n"), first_measurement_clock);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
296 fprintf_P(crc_stdout, PSTR("last_time=%lu\n"), last_measurement_clock);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
297 fprintf_P(crc_stdout, PSTR("comms_time=%lu\n"), last_comms_clock);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
298 fprintf_P(crc_stdout, PSTR("voltage=%hu\n"), adc_vcc());
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
299 fprintf_P(crc_stdout, PSTR("sensors=%hhu\n"), n_sensors);
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
300 for (uint8_t s = 0; s < n_sensors; s++)
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
301 {
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
302 fprintf_P(crc_stdout, PSTR("sensor_id%hhu="), s);
382
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
303 printhex(sensor_id[s], ID_LEN, crc_stdout);
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
304 fputc('\n', crc_stdout);
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
305 }
341
ccab04e2f601 - decrease measurement interval, measure at start
Matt Johnston <matt@ucc.asn.au>
parents: 339
diff changeset
306 fprintf_P(crc_stdout, PSTR("measurements=%hu\n"), n_measurements);
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
307 for (uint16_t n = 0; n < n_measurements; n++)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
308 {
352
99f8b97a9449 Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 349
diff changeset
309 fprintf_P(crc_stdout, PSTR("meas%hu="), n);
321
df7384336798 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 320
diff changeset
310 for (uint8_t s = 0; s < n_sensors; s++)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
311 {
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
312 fprintf_P(crc_stdout, PSTR(" %04hx"), get_measurement(s, n));
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
313 }
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
314 fputc('\n', crc_stdout);
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
315 }
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
316 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
317 fprintf_P(stdout, PSTR("CRC=%hu\n"), crc_out);
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
318 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
319
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
320 static void
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
321 cmd_clear()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
322 {
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
323 n_measurements = 0;
338
12123e390169 More minor work
Matt Johnston <matt@ucc.asn.au>
parents: 333
diff changeset
324 printf_P(PSTR("cleared\n"));
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
325 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
326
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
327 static void
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
328 cmd_btoff()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
329 {
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
330 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
331 {
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
332 comms_count = 0;
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
333 }
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
334 printf_P(PSTR("off:%hu\n"), comms_wake);
352
99f8b97a9449 Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 349
diff changeset
335 _delay_ms(100);
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
336 comms_timeout = 0;
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
337 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
338
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
339 static void
360
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
340 cmd_reset()
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
341 {
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
342 printf_P(PSTR("reset\n"));
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
343 _delay_ms(100);
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
344 cli(); // disable interrupts
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
345 wdt_enable(WDTO_15MS); // enable watchdog
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
346 while(1); // wait for watchdog to reset processor
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
347 }
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
348
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
349 static void
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
350 cmd_measure()
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
351 {
339
449272fc63a3 - Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents: 338
diff changeset
352 printf_P(PSTR("measuring\n"));
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
353 need_measurement = 1;
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
354 }
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
355
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
356 static void
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
357 cmd_sensors()
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
358 {
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
359 uint8_t ret = simple_ds18b20_start_meas(NULL);
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
360 printf_P(PSTR("All sensors, ret %hhu, waiting...\n"), ret);
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
361 long_delay(DS18B20_TCONV_12BIT);
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
362 simple_ds18b20_read_all();
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
363 }
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
364
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
365 static void
382
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
366 init_sensors()
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
367 {
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
368 uint8_t id[OW_ROMCODE_SIZE];
382
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
369 printf_P(PSTR("init sensors\n"));
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
370 ow_reset();
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
371 for( uint8_t diff = OW_SEARCH_FIRST; diff != OW_LAST_DEVICE; )
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
372 {
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
373 diff = ow_rom_search( diff, &id[0] );
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
374 if( diff == OW_PRESENCE_ERR ) {
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
375 printf_P( PSTR("No Sensor found\r") );
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
376 return;
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
377 }
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
378
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
379 if( diff == OW_DATA_ERR ) {
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
380 printf_P( PSTR("Bus Error\r") );
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
381 return;
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
382 }
382
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
383
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
384 if (n_sensors < MAX_SENSORS)
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
385 {
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
386 memcpy(sensor_id[n_sensors], id, ID_LEN);
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
387 printf_P(PSTR("Added sensor %hhu : "), n_sensors);
382
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
388 printhex(id, ID_LEN, stdout);
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
389 putchar('\n');
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
390 n_sensors++;
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
391 }
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
392 else
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
393 {
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
394 printf_P(PSTR("Too many sensors\n"));
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
395 }
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
396 }
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
397
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
398 max_measurements = TOTAL_MEASUREMENTS / n_sensors;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
399 }
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
400
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
401 static void
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
402 load_params()
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
403 {
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
404 uint16_t magic;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
405 eeprom_read(magic, magic);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
406 if (magic == EXPECT_MAGIC)
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
407 {
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
408 eeprom_read(measure_wake, measure_wake);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
409 eeprom_read(comms_wake, comms_wake);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
410 eeprom_read(wake_secs, wake_secs);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
411 }
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
412 }
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
413
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
414 static void
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
415 cmd_get_params()
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
416 {
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
417 printf_P(PSTR("measure %hu\n"), measure_wake);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
418 printf_P(PSTR("comms %hu\n"), comms_wake);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
419 printf_P(PSTR("wake %hhu\n"), wake_secs);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
420 printf_P(PSTR("tick %d\n"), TICK);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
421 printf_P(PSTR("sensors %hhu (%hhu)\n"),
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
422 n_sensors, MAX_SENSORS);
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
423 printf_P(PSTR("meas %hu (%hu)\n"),
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
424 max_measurements, TOTAL_MEASUREMENTS);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
425 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
426
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
427 static void
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
428 cmd_set_params(const char *params)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
429 {
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
430 uint16_t new_measure_wake;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
431 uint16_t new_comms_wake;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
432 uint8_t new_wake_secs;
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
433 int ret = sscanf_P(params, PSTR("%hu %hu %hhu"),
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
434 &new_measure_wake, &new_comms_wake, &new_wake_secs);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
435
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
436 if (ret != 3)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
437 {
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
438 printf_P(PSTR("Bad values\n"));
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
439 }
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
440 else
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
441 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
442 cli();
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
443 eeprom_write(new_measure_wake, measure_wake);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
444 eeprom_write(new_comms_wake, comms_wake);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
445 eeprom_write(new_wake_secs, wake_secs);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
446 uint16_t magic = EXPECT_MAGIC;
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
447 eeprom_write(magic, magic);
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
448 sei();
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
449 printf_P(PSTR("set_params for next boot\n"));
387
1ee4485b59a2 try and be a bit more frugal with stack
Matt Johnston <matt@ucc.asn.au>
parents: 386
diff changeset
450 printf_P(PSTR("measure %hu comms %hu wake %hhu\n"),
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
451 new_measure_wake, new_comms_wake, new_wake_secs);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
452 }
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
453 }
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
454
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
455 static void
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
456 cmd_awake()
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
457 {
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
458 stay_awake = 1;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
459 printf_P(PSTR("awake\n"));
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
460 }
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
461
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
462 static void
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
463 read_handler()
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
464 {
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
465 if (strcmp_P(readbuf, PSTR("fetch")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
466 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
467 cmd_fetch();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
468 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
469 else if (strcmp_P(readbuf, PSTR("clear")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
470 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
471 cmd_clear();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
472 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
473 else if (strcmp_P(readbuf, PSTR("btoff")) == 0)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
474 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
475 cmd_btoff();
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
476 }
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
477 else if (strcmp_P(readbuf, PSTR("measure")) == 0)
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
478 {
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
479 cmd_measure();
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
480 }
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
481 else if (strcmp_P(readbuf, PSTR("sensors")) == 0)
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
482 {
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
483 cmd_sensors();
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
484 }
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
485 else if (strcmp_P(readbuf, PSTR("get_params")) == 0)
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
486 {
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
487 cmd_get_params();
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
488 }
389
5e3880342390 - fix set_params (strange)
Matt Johnston <matt@ucc.asn.au>
parents: 387
diff changeset
489 else if (strncmp_P(readbuf, PSTR("set_params "), 11) == 0)
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
490 {
389
5e3880342390 - fix set_params (strange)
Matt Johnston <matt@ucc.asn.au>
parents: 387
diff changeset
491 cmd_set_params(&readbuf[11]);
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
492 }
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
493 else if (strcmp_P(readbuf, PSTR("awake")) == 0)
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
494 {
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
495 cmd_awake();
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
496 }
360
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
497 else if (strcmp_P(readbuf, PSTR("reset")) == 0)
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
498 {
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
499 cmd_reset();
5d86f1182f62 add "awake" and "reset" functions
Matt Johnston <matt@ucc.asn.au>
parents: 358
diff changeset
500 }
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
501 else
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
502 {
389
5e3880342390 - fix set_params (strange)
Matt Johnston <matt@ucc.asn.au>
parents: 387
diff changeset
503 printf_P(PSTR("Bad command '%s'\n"), readbuf);
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
504 }
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
326
f6b5941b4c34 Untested - calculate crc in uart_putchar
Matt Johnston <matt@ucc.asn.au>
parents: 325
diff changeset
507 ISR(INT0_vect)
324
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
508 {
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
509 need_comms = 1;
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
510 comms_timeout = wake_secs;
330
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
511 blink();
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
512 _delay_ms(100);
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
513 blink();
324
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
514 }
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
515
e3664732f11f Add INT0 button
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
516
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
517 ISR(USART_RX_vect)
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
518 {
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
519 char c = UDR0;
339
449272fc63a3 - Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents: 338
diff changeset
520 #ifdef HAVE_UART_ECHO
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
521 uart_putchar(c, NULL);
339
449272fc63a3 - Debug log file for server
Matt Johnston <matt@ucc.asn.au>
parents: 338
diff changeset
522 #endif
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
523 if (c == '\r' || c == '\n')
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
524 {
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
525 if (readpos > 0)
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
526 {
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
527 readbuf[readpos] = '\0';
333
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
528 have_cmd = 1;
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
529 readpos = 0;
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
530 }
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
531 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
532 else
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
533 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
534 readbuf[readpos] = c;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
535 readpos++;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
536 if (readpos >= sizeof(readbuf))
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
537 {
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
538 readpos = 0;
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
539 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
540 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
541 }
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
542
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
543 ISR(TIMER2_COMPA_vect)
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
544 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
545 TCNT2 = 0;
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
546 measure_count += TICK;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
547 comms_count += TICK;
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
548
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
549 clock_epoch += TICK;
323
5181ea55ea77 Add clock_epoch
Matt Johnston <matt@ucc.asn.au>
parents: 322
diff changeset
550
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
551 if (comms_timeout != 0)
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
552 {
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
553 comms_timeout -= TICK;
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
554 }
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
555
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
556 if (measure_count >= measure_wake)
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
557 {
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
558 measure_count = 0;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
559 need_measurement = 1;
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
560 }
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
561
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
562 if (comms_count >= comms_wake)
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
563 {
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
564 comms_count = 0;
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
565 need_comms = 1;
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
566 }
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
567 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
568
309
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
569 DWORD get_fattime (void)
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
570 {
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
571 return 0;
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
572 }
49e83333e546 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 308
diff changeset
573
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
574 static void
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
575 deep_sleep()
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
576 {
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
577 // p119 of manual
308
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
578 OCR2A = SLEEP_COMPARE;
e36ee3e156c1 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 307
diff changeset
579 loop_until_bit_is_clear(ASSR, OCR2AUB);
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
580
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
581 set_sleep_mode(SLEEP_MODE_PWR_SAVE);
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
582 sleep_mode();
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
583 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
584
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
585 static void
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
586 idle_sleep()
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
587 {
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
588 set_sleep_mode(SLEEP_MODE_IDLE);
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
589 sleep_mode();
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
590 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
591
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
592 static uint16_t
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
593 adc_vcc()
361
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
594 {
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
595 PRR &= ~_BV(PRADC);
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
596
368
Matt Johnston <matt@ucc.asn.au>
parents: 366 367
diff changeset
597 // /16 prescaler
361
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
598 ADCSRA = _BV(ADEN) | _BV(ADPS2);
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
599
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
600 // set to measure 1.1 reference
364
8645fdcacad1 fix voltage
Matt Johnston <matt@ucc.asn.au>
parents: 361
diff changeset
601 ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
366
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
602 // average a number of samples
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
603 uint16_t sum = 0;
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
604 uint8_t num = 0;
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
605 for (uint8_t n = 0; n < 20; n++)
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
606 {
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
607 ADCSRA |= _BV(ADSC);
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
608 loop_until_bit_is_clear(ADCSRA, ADSC);
361
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
609
366
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
610 uint8_t low_11 = ADCL;
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
611 uint8_t high_11 = ADCH;
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
612 uint16_t val = low_11 + (high_11 << 8);
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
613
366
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
614 if (n >= 4)
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
615 {
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
616 sum += val;
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
617 num++;
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
618 }
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
619 }
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
620 ADCSRA = 0;
daad73f65c0f average voltages
Matt Johnston <matt@ucc.asn.au>
parents: 365
diff changeset
621 PRR |= _BV(PRADC);
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
622
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
623 //float res_volts = 1.1 * 1024 * num / sum;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
624 //return 1000 * res_volts;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
625 return ((uint32_t)1100*1024*num) / sum;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
626 }
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
627
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
628 static void
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
629 do_measurement()
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
630 {
381
83c83014e5e3 report raw ds18b20 values instead
Matt Johnston <matt@ucc.asn.au>
parents: 368
diff changeset
631 blink();
83c83014e5e3 report raw ds18b20 values instead
Matt Johnston <matt@ucc.asn.au>
parents: 368
diff changeset
632
361
cfcd200c69da untested code to log voltage and internal temperature
Matt Johnston <matt@ucc.asn.au>
parents: 360
diff changeset
633 simple_ds18b20_start_meas(NULL);
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
634 // sleep rather than using a long delay
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
635 deep_sleep();
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
636 //_delay_ms(DS18B20_TCONV_12BIT);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
637
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
638 if (n_measurements == max_measurements)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
639 {
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
640 n_measurements = 0;
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
641 }
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
642
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
643 for (uint8_t s = 0; s < n_sensors; s++)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
644 {
381
83c83014e5e3 report raw ds18b20 values instead
Matt Johnston <matt@ucc.asn.au>
parents: 368
diff changeset
645 uint16_t reading;
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
646 uint8_t ret = simple_ds18b20_read_raw(sensor_id[s], &reading);
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
647 if (ret != DS18X20_OK)
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
648 {
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
649 reading = VALUE_BROKEN;
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
650 }
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
651 set_measurement(s, n_measurements, reading);
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
652 }
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
653
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
654 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
328
46070aaf29ea A bit of work on the server python
Matt Johnston <matt@ucc.asn.au>
parents: 326
diff changeset
655 {
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
656 if (n_measurements == 0)
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
657 {
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
658 first_measurement_clock = clock_epoch;
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
659 }
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
660 last_measurement_clock = clock_epoch;
328
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
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
663 n_measurements++;
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
664 //do_adc_335();
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
665 }
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
666
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
667 static void
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
668 do_comms()
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
669 {
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
670 // turn on bluetooth
365
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
671 ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
672 {
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
673 last_comms_clock = clock_epoch;
d31a6550d264 - add some atomic guards
Matt Johnston <matt@ucc.asn.au>
parents: 364
diff changeset
674 }
330
7ac6b8846eea - some fixes for server code
Matt Johnston <matt@ucc.asn.au>
parents: 328
diff changeset
675 set_aux_power(1);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
676 uart_on();
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
677
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
678 // write sd card here? same 3.3v regulator...
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
679
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
680 for (comms_timeout = wake_secs;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
681 comms_timeout > 0 || stay_awake;
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
682 )
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
683 {
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
684 if (need_measurement)
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
685 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
686 need_measurement = 0;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
687 do_measurement();
349
e7f070855a22 mostly works for testing
Matt Johnston <matt@ucc.asn.au>
parents: 347
diff changeset
688 continue;
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
689 }
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
690
333
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
691 if (have_cmd)
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
692 {
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
693 have_cmd = 0;
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
694 read_handler();
349
e7f070855a22 mostly works for testing
Matt Johnston <matt@ucc.asn.au>
parents: 347
diff changeset
695 continue;
333
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
696 }
298e502fdcd4 Add some web server handling
Matt Johnston <matt@ucc.asn.au>
parents: 332
diff changeset
697
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
698 // wait for commands from the master
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
699 idle_sleep();
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
700 }
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
701
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
702 uart_off();
352
99f8b97a9449 Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 349
diff changeset
703 // in case bluetooth takes time to flush
99f8b97a9449 Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 349
diff changeset
704 _delay_ms(100);
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
705 set_aux_power(0);
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
706 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
707
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
708 static void
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
709 blink()
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 PORT_LED &= ~_BV(PIN_LED);
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
712 _delay_ms(1);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
713 PORT_LED |= _BV(PIN_LED);
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
714 }
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
715
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
716 static void
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
717 long_delay(int ms)
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
718 {
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
719 int iter = ms / 100;
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
720
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
721 for (int i = 0; i < iter; i++)
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
722 {
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
723 _delay_ms(100);
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
724 }
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
725 }
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
726
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
727 ISR(BADISR_vect)
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
728 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
729 //uart_on();
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
730 printf_P(PSTR("Bad interrupt\n"));
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
731 }
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
732
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
733 int main(void)
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
734 {
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
735 setup_chip();
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
736 blink();
315
7d409dded901 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 314
diff changeset
737
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
738 set_aux_power(0);
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
739
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
740 stdout = &mystdout;
313
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
741 uart_on();
139ecb1840fd serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 312
diff changeset
742
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
743 printf(PSTR("Started.\n"));
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
744
386
f4f0780708d1 - store settings in eeprom
Matt Johnston <matt@ucc.asn.au>
parents: 385
diff changeset
745 load_params();
319
9621436cfa07 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 318
diff changeset
746
382
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
747 init_sensors();
f429169aa3cd don't store sensors in eeprom, scan at startup instead
Matt Johnston <matt@ucc.asn.au>
parents: 381
diff changeset
748
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
749 uart_off();
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
750
312
ef64a178092f - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 311
diff changeset
751 // turn off everything except timer2
352
99f8b97a9449 Use the PRR etc, set value to proper ones
Matt Johnston <matt@ucc.asn.au>
parents: 349
diff changeset
752 PRR = _BV(PRTWI) | _BV(PRTIM0) | _BV(PRTIM1) | _BV(PRSPI) | _BV(PRUSART0) | _BV(PRADC);
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
753
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
754 // for testing
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
755 uart_on();
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
756
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
757 setup_tick_counter();
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
758
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
759 sei();
314
7aebb1452422 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 313
diff changeset
760
331
5de3fc71ce48 - Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents: 330
diff changeset
761 need_comms = 1;
341
ccab04e2f601 - decrease measurement interval, measure at start
Matt Johnston <matt@ucc.asn.au>
parents: 339
diff changeset
762 need_measurement = 1;
331
5de3fc71ce48 - Make the python work on openwrt
Matt Johnston <matt@ucc.asn.au>
parents: 330
diff changeset
763
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
764 for(;;)
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
765 {
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
766 if (need_measurement)
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
767 {
320
cff7a4459dc9 Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 319
diff changeset
768 need_measurement = 0;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
769 do_measurement();
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
770 continue;
307
e50091063890 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 306
diff changeset
771 }
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
772
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
773 if (need_comms)
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
774 {
322
840f51824254 untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 321
diff changeset
775 need_comms = 0;
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
776 do_comms();
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
777 continue;
310
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
778 }
0a64532c1de1 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 309
diff changeset
779
347
56f22e29582a fix tabbing
Matt Johnston <matt@ucc.asn.au>
parents: 346
diff changeset
780 deep_sleep();
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
781 }
318
31199b2941f6 Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 316
diff changeset
782
306
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
783 return 0; /* never reached */
848b0fe159d2 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
784 }