annotate main.c @ 16:5075d8c428bd

untested, add comms timeout code
author Matt Johnston <matt@ucc.asn.au>
date Mon, 21 May 2012 07:52:51 +0800
parents 54b0fda9cba7
children a5e3b363675d
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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 #define COMMS_WAKE 3600
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38 #define WAKE_SECS 30
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39
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40 #define BAUD 19200
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41 #define UBRR ((F_CPU)/8/(BAUD)-1)
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42
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43 #define PORT_LED PORTC
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44 #define DDR_LED DDRC
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45 #define PIN_LED PC4
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46
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47 #define PORT_SHDN PORTD
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48 #define DDR_SHDN DDRD
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49 #define PIN_SHDN PD7
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50
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51 #define NUM_MEASUREMENTS 100
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52 #define MAX_SENSORS 5
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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 int uart_putchar(char c, FILE *stream);
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58 static void long_delay(int ms);
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59
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60 static FILE mystdout = FDEV_SETUP_STREAM(uart_putchar, NULL,
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61 _FDEV_SETUP_WRITE);
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62
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63 static uint16_t n_measurements = 0;
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64 // stored as decidegrees
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65 static int16_t measurements[NUM_MEASUREMENTS][MAX_SENSORS];
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66
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67 // boolean flags
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68 static uint8_t need_measurement = 0;
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69 static uint8_t need_comms = 0;
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70
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71 // counts down from WAKE_SECS to 0, goes to deep sleep when hits 0
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72 static uint8_t comms_timeout = 0;
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73
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74 static uint8_t readpos = 0;
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75 static char readbuf[30];
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76
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77 static uint8_t measure_count = 0;
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78 static uint16_t comms_count = 0;
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79
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80 // thanks to http://projectgus.com/2010/07/eeprom-access-with-arduino/
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81 #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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82 #define eeprom_read(dst, eeprom_field) eeprom_read_to((&dst), eeprom_field, sizeof(dst))
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83 #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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84 #define eeprom_write(src, eeprom_field) { eeprom_write_from(&src, eeprom_field, sizeof(src)); }
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85
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86 #define EXPECT_MAGIC 0x67c9
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87
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88 struct __attribute__ ((__packed__)) __eeprom_data {
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89 uint16_t magic;
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90 uint8_t n_sensors;
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91 uint8_t sensor_id[MAX_SENSORS][ID_LEN];
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92 };
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93
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94 #define DEBUG(str) printf_P(PSTR(str))
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95
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96 static void deep_sleep();
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97
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98 // Very first setup
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99 static void
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100 setup_chip()
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101 {
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102 // Set clock to 2mhz
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103 cli();
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104 CLKPR = _BV(CLKPCE);
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105 // divide by 4
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106 CLKPR = _BV(CLKPS1);
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107 sei();
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108
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109 DDR_LED |= _BV(PIN_LED);
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110 DDR_SHDN |= _BV(PIN_SHDN);
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111 }
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112
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113 static void
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114 set_aux_power(uint8_t on)
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115 {
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116 if (on)
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117 {
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118 PORT_SHDN &= ~_BV(PIN_SHDN);
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119 }
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120 else
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121 {
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122 PORT_SHDN |= _BV(PIN_SHDN);
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123 }
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124 }
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125
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126 static void
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127 setup_tick_counter()
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128 {
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129 // set up counter2.
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130 // COM21 COM20 Set OC2 on Compare Match (p116)
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131 // WGM21 Clear counter on compare
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132 //TCCR2A = _BV(COM2A1) | _BV(COM2A0) | _BV(WGM21);
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133 // toggle on match
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134 TCCR2A = _BV(COM2A0);
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135 // CS22 CS21 CS20 clk/1024
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136 TCCR2B = _BV(CS22) | _BV(CS21) | _BV(CS20);
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137 // set async mode
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138 ASSR |= _BV(AS2);
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139 TCNT2 = 0;
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140 OCR2A = SLEEP_COMPARE;
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141 // interrupt
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142 TIMSK2 = _BV(OCIE2A);
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143 }
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144
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145 static void
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146 uart_on()
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147 {
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148 // Power reduction register
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149 //PRR &= ~_BV(PRUSART0);
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150
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151 // All of this needs to be done each time after turning off the PRR
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152 // baud rate
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153 UBRR0H = (unsigned char)(UBRR >> 8);
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154 UBRR0L = (unsigned char)UBRR;
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155 // set 2x clock, improves accuracy of UBRR
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parents: 6
diff changeset
156 UCSR0A |= _BV(U2X0);
6
9d538f674ff0 - Some basic ADC code
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diff changeset
157 UCSR0B = _BV(RXCIE0) | _BV(RXEN0) | _BV(TXEN0);
0
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parents:
diff changeset
158 //8N1
7
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parents: 6
diff changeset
159 UCSR0C = _BV(UCSZ01) | _BV(UCSZ00);
6
9d538f674ff0 - Some basic ADC code
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parents: 5
diff changeset
160 }
9d538f674ff0 - Some basic ADC code
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parents: 5
diff changeset
161
9d538f674ff0 - Some basic ADC code
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parents: 5
diff changeset
162 static void
9d538f674ff0 - Some basic ADC code
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parents: 5
diff changeset
163 uart_off()
9d538f674ff0 - Some basic ADC code
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parents: 5
diff changeset
164 {
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parents: 5
diff changeset
165 // Turn of interrupts and disable tx/rx
9d538f674ff0 - Some basic ADC code
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parents: 5
diff changeset
166 UCSR0B = 0;
9d538f674ff0 - Some basic ADC code
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parents: 5
diff changeset
167
9d538f674ff0 - Some basic ADC code
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parents: 5
diff changeset
168 // Power reduction register
8
c55321727d02 deep sleep works
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parents: 7
diff changeset
169 //PRR |= _BV(PRUSART0);
0
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parents:
diff changeset
170 }
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parents:
diff changeset
171
10
1bfe28c348dd reading DS18B20 works
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parents: 9
diff changeset
172 int
0
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parents:
diff changeset
173 uart_putchar(char c, FILE *stream)
c8b14b2950b9 Some basic bits
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parents:
diff changeset
174 {
10
1bfe28c348dd reading DS18B20 works
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parents: 9
diff changeset
175 // XXX should sleep in the loop for power.
8
c55321727d02 deep sleep works
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parents: 7
diff changeset
176 if (c == '\n')
c55321727d02 deep sleep works
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parents: 7
diff changeset
177 {
10
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parents: 9
diff changeset
178 loop_until_bit_is_set(UCSR0A, UDRE0);
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parents: 9
diff changeset
179 UDR0 = '\r';;
8
c55321727d02 deep sleep works
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parents: 7
diff changeset
180 }
2
ab0e30c4b344 switch to atmega328
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parents: 1
diff changeset
181 loop_until_bit_is_set(UCSR0A, UDRE0);
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parents: 1
diff changeset
182 UDR0 = c;
10
1bfe28c348dd reading DS18B20 works
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parents: 9
diff changeset
183 if (c == '\r')
1bfe28c348dd reading DS18B20 works
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parents: 9
diff changeset
184 {
1bfe28c348dd reading DS18B20 works
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parents: 9
diff changeset
185 loop_until_bit_is_set(UCSR0A, UDRE0);
1bfe28c348dd reading DS18B20 works
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parents: 9
diff changeset
186 UDR0 = '\n';;
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parents: 9
diff changeset
187 }
0
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parents:
diff changeset
188 return 0;
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parents:
diff changeset
189 }
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parents:
diff changeset
190
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parents:
diff changeset
191 static void
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parents:
diff changeset
192 cmd_fetch()
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parents:
diff changeset
193 {
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parents:
diff changeset
194 uint16_t crc = 0;
15
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
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parents: 14
diff changeset
195 uint8_t n_sensors;
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parents: 14
diff changeset
196 eeprom_read(n_sensors, n_sensors);
13
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parents: 12
diff changeset
197
15
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parents: 14
diff changeset
198 printf_P(PSTR("%d sensors\n"), n_measurements);
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
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parents: 14
diff changeset
199 for (uint8_t s = 0; s < n_sensors; s++)
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
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parents: 14
diff changeset
200 {
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
201 uint8_t id[ID_LEN];
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
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parents: 14
diff changeset
202 printf_P(PSTR("%d : "), s);
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
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parents: 14
diff changeset
203 eeprom_read_to(id, sensor_id[s], ID_LEN);
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
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parents: 14
diff changeset
204 printhex(id, ID_LEN);
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
205 putchar('\n');
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
206 for (uint8_t i = 0; i < ID_LEN; i++)
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
207 {
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
208 crc = _crc_ccitt_update(crc, id[i]);
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
209 }
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
210 }
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
211 printf_P(PSTR("%d measurements\n"), n_measurements);
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
212 for (uint16_t n = 0; n < n_measurements; n++)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
213 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
214 printf_P(PSTR("%3d :"), n);
15
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
215 for (uint8_t s = 0; s < n_sensors; s++)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
216 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
217 printf_P(PSTR(" %6d"), measurements[n][s]);
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
218 crc = _crc_ccitt_update(crc, measurements[n][s]);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
219 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
220 putchar('\n');
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
221 }
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
222 printf_P(PSTR("CRC : %d\n"), crc);
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
223 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
224
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
225 static void
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
226 cmd_clear()
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
227 {
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
228 n_measurements = 0;
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
229 printf_P(PSTR("Cleared\n"));
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
230 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
231
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
232 static void
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
233 cmd_btoff()
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
234 {
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
235 printf_P(PSTR("Turning off\n"));
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
236 _delay_ms(50);
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
237 comms_timeout = 0;
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
238 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
239
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
240 static void
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
241 cmd_measure()
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
242 {
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
243 printf_P(PSTR("Measuring\n"));
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
244 need_measurement = 1;
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
245 }
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
246
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
247 static void
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
248 cmd_sensors()
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
249 {
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
250 uint8_t ret = simple_ds18b20_start_meas(NULL);
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
251 printf_P(PSTR("All sensors, ret %d, waiting...\n"), ret);
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
252 long_delay(DS18B20_TCONV_12BIT);
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
253 simple_ds18b20_read_all();
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
254 }
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
255
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
256 #if 0
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
257 // 0 on success
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
258 static uint8_t
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
259 get_hex_string(const char *hex, uint8_t *out, uint8_t size)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
260 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
261 uint8_t upper;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
262 uint8_t o;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
263 for (uint8_t i = 0, z = 0; o < size; i++)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
264 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
265 uint8_t h = hex[i];
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
266 if (h >= 'A' && h <= 'F')
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
267 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
268 // lower case
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
269 h += 0x20;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
270 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
271 uint8_t nibble;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
272 if (h >= '0' && h <= '9')
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
273 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
274 nibble = h - '0';
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
275 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
276 else if (h >= 'a' && h <= 'f')
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
277 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
278 nibble = 10 + h - 'a';
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
279 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
280 else if (h == ' ' || h == ':')
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
281 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
282 continue;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
283 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
284 else
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
285 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
286 printf_P(PSTR("Bad hex 0x%x '%c'\n"), hex[i], hex[i]);
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
287 return 1;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
288 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
289
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
290 if (z % 2 == 0)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
291 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
292 upper = nibble << 4;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
293 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
294 else
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
295 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
296 out[o] = upper | nibble;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
297 o++;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
298 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
299
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
300 z++;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
301 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
302
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
303 if (o != size)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
304 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
305 printf_P(PSTR("Short hex\n"));
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
306 return 1;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
307 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
308 return 0;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
309 }
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
310 #endif
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
311
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
312 static void
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
313 add_sensor(uint8_t *id)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
314 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
315 uint8_t n;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
316 eeprom_read(n, n_sensors);
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
317 if (n < MAX_SENSORS)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
318 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
319 cli();
15
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
320 eeprom_write_from(id, sensor_id[n], ID_LEN);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
321 n++;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
322 eeprom_write(n, n_sensors);
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
323 sei();
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
324 printf_P(PSTR("Added sensor %d : "), n);
15
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
325 printhex(id, ID_LEN);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
326 putchar('\n');
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
327 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
328 else
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
329 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
330 printf_P(PSTR("Too many sensors\n"));
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
331 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
332 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
333
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
334 static void
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
335 cmd_add_all()
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
336 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
337 uint8_t id[OW_ROMCODE_SIZE];
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
338 printf_P("Adding all\n");
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
339 ow_reset();
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
340 for( uint8_t diff = OW_SEARCH_FIRST; diff != OW_LAST_DEVICE; )
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
341 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
342 diff = ow_rom_search( diff, &id[0] );
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
343 if( diff == OW_PRESENCE_ERR ) {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
344 printf_P( PSTR("No Sensor found\r") );
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
345 return;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
346 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
347
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
348 if( diff == OW_DATA_ERR ) {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
349 printf_P( PSTR("Bus Error\r") );
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
350 return;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
351 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
352 add_sensor(id);
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
353 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
354 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
355
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
356 static void
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
357 cmd_init()
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
358 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
359 printf_P(PSTR("Resetting sensor list\n"));
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
360 uint8_t zero = 0;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
361 cli();
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
362 eeprom_write(zero, n_sensors);
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
363 sei();
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
364 printf_P(PSTR("Done.\n"));
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
365 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
366
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
367 static void
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
368 check_first_startup()
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
369 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
370 uint16_t magic;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
371 eeprom_read(magic, magic);
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
372 if (magic != EXPECT_MAGIC)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
373 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
374 printf_P(PSTR("First boot, looking for sensors...\n"));
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
375 // in case of power fumbles don't want to reset during eeprom write,
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
376 long_delay(2);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
377 cmd_init();
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
378 cmd_add_all();
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
379 cli();
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
380 magic = EXPECT_MAGIC;
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
381 eeprom_write(magic, magic);
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
382 sei();
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
383 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
384 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
385
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
386 static void
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
387 read_handler()
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
388 {
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
389 if (strcmp_P(readbuf, PSTR("fetch")) == 0)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
390 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
391 cmd_fetch();
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
392 }
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
393 else if (strcmp_P(readbuf, PSTR("clear")) == 0)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
394 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
395 cmd_clear();
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
396 }
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
397 else if (strcmp_P(readbuf, PSTR("btoff")) == 0)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
398 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
399 cmd_btoff();
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
400 }
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
401 else if (strcmp_P(readbuf, PSTR("measure")) == 0)
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
402 {
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
403 cmd_measure();
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
404 }
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
405 else if (strcmp_P(readbuf, PSTR("sensors")) == 0)
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
406 {
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
407 cmd_sensors();
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
408 }
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
409 else if (strcmp_P(readbuf, PSTR("addall"))== 0)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
410 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
411 cmd_add_all();
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
412 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
413 else if (strcmp_P(readbuf, PSTR("init")) == 0)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
414 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
415 cmd_init();
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
416 }
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
417 else
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
418 {
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
419 printf_P(PSTR("Bad command\n"));
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
420 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
421 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
422
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
423 ISR(USART_RX_vect)
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
424 {
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
425 char c = UDR0;
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
426 uart_putchar(c, NULL);
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
427 if (c == '\r')
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
428 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
429 readbuf[readpos] = '\0';
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
430 read_handler();
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
431 readpos = 0;
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
432 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
433 else
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
434 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
435 readbuf[readpos] = c;
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
436 readpos++;
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
437 if (readpos >= sizeof(readbuf))
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
438 {
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
439 readpos = 0;
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
440 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
441 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
442 }
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
443
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
444 ISR(TIMER2_COMPA_vect)
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
445 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
446 TCNT2 = 0;
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
447 measure_count ++;
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
448 comms_count ++;
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
449
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
450 if (comms_timeout != 0)
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
451 {
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
452 comms_timeout--;
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
453 }
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
454
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
455 if (measure_count >= MEASURE_WAKE)
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
456 {
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
457 measure_count = 0;
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
458 need_measurement = 1;
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
459 }
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
460
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
461 if (comms_count >= COMMS_WAKE)
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
462 {
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
463 comms_count = 0;
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
464 need_comms = 1;
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
465 }
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
466
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
467 }
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
468
3
888be1b234b6 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 2
diff changeset
469 DWORD get_fattime (void)
888be1b234b6 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 2
diff changeset
470 {
888be1b234b6 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 2
diff changeset
471 return 0;
888be1b234b6 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 2
diff changeset
472 }
888be1b234b6 Add FatFS
Matt Johnston <matt@ucc.asn.au>
parents: 2
diff changeset
473
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
474 static void
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
475 deep_sleep()
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
476 {
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
477 // p119 of manual
2
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
478 OCR2A = SLEEP_COMPARE;
ab0e30c4b344 switch to atmega328
Matt Johnston <matt@ucc.asn.au>
parents: 1
diff changeset
479 loop_until_bit_is_clear(ASSR, OCR2AUB);
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
480
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
481 set_sleep_mode(SLEEP_MODE_PWR_SAVE);
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
482 sleep_mode();
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
483 }
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
484
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
485 static void
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
486 idle_sleep()
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
487 {
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
488 set_sleep_mode(SLEEP_MODE_IDLE);
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
489 sleep_mode();
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
490 }
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
491
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
492 #if 0
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
493 // untested
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
494 static void
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
495 do_adc_335()
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
496 {
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
497 //PRR &= ~_BV(PRADC);
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
498
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
499 ADMUX = _BV(ADLAR);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
500
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
501 // ADPS2 = /16 prescaler, 62khz at 1mhz clock
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
502 ADCSRA = _BV(ADEN) | _BV(ADPS2);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
503
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
504 // measure value
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
505 ADCSRA |= _BV(ADSC);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
506 loop_until_bit_is_clear(ADCSRA, ADSC);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
507 uint8_t low = ADCL;
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
508 uint8_t high = ADCH;
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
509 uint16_t f_measure = low + (high << 8);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
510
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
511 // set to measure 1.1 reference
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
512 ADMUX = _BV(ADLAR) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
513 ADCSRA |= _BV(ADSC);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
514 loop_until_bit_is_clear(ADCSRA, ADSC);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
515 uint8_t low_11 = ADCL;
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
516 uint8_t high_11 = ADCH;
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
517 uint16_t f_11 = low_11 + (high_11 << 8);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
518
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
519 float res_volts = 1.1 * f_measure / f_11;
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
520
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
521 // 10mV/degree
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
522 // scale to 1/5 degree units above 0C
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
523 int temp = (res_volts - 2.73) * 500;
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
524 // XXX fixme
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
525 //measurements[n_measurements] = temp;
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
526 // XXX something if it hits the limit
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
527
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
528 // measure AVR internal temperature against 1.1 ref.
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
529 ADMUX = _BV(ADLAR) | _BV(MUX3) | _BV(REFS1) | _BV(REFS0);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
530 ADCSRA |= _BV(ADSC);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
531 loop_until_bit_is_clear(ADCSRA, ADSC);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
532 uint16_t res_internal = ADCL;
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
533 res_internal |= ADCH << 8;
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
534
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
535 float internal_volts = res_internal * (1.1 / 1024.0);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
536
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
537 // 1mV/degree
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
538 int internal_temp = (internal_volts - 2.73) * 5000;
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
539 // XXX fixme
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
540 //internal_measurements[n_measurements] = internal_temp;
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
541
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
542 printf_P("measure %d: external %d, internal %d, 1.1 %d\n",
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
543 n_measurements, temp, internal_temp, f_11);
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
544
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
545 n_measurements++;
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
546 //PRR |= _BV(PRADC);
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
547 }
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
548 #endif
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
549
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
550 static void
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
551 do_measurement()
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
552 {
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
553 uint8_t n_sensors;
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
554 printf("do_measurement\n");
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
555 eeprom_read(n_sensors, n_sensors);
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
556 printf("do_measurement sensors %d\n", n_sensors);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
557
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
558 uint8_t ret = simple_ds18b20_start_meas(NULL);
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
559 printf_P(PSTR("Read all sensors, ret %d, waiting...\n"), ret);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
560 _delay_ms(DS18B20_TCONV_12BIT);
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
561
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
562 if (n_measurements == NUM_MEASUREMENTS)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
563 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
564 printf_P(PSTR("Measurements .overflow\n"));
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
565 n_measurements = 0;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
566 }
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
567
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
568 for (uint8_t s = 0; s < MAX_SENSORS; s++)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
569 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
570 int16_t decicelsius;
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
571 if (s >= n_sensors)
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
572 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
573 decicelsius = VALUE_NOSENSOR;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
574 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
575 else
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
576 {
15
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
577 uint8_t id[ID_LEN];
54b0fda9cba7 Add shutdown handling, print sensors in "fetch" output
Matt Johnston <matt@ucc.asn.au>
parents: 14
diff changeset
578 eeprom_read_to(id, sensor_id[s], ID_LEN);
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
579
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
580 uint8_t ret = simple_ds18b20_read_decicelsius(id, &decicelsius);
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
581 if (ret != DS18X20_OK)
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
582 {
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
583 decicelsius = VALUE_BROKEN;
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
584 }
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
585 }
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
586 measurements[n_measurements][s] = decicelsius;
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
587 }
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
588 n_measurements++;
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
589 //do_adc_335();
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
590 }
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
591
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
592 static void
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
593 do_comms()
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
594 {
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
595 // turn on bluetooth
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
596 uart_on();
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
597
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
598 // write sd card here? same 3.3v regulator...
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
599
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
600 printf("ready> \n");
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
601
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
602 for (comms_timeout = WAKE_SECS; comms_timeout > 0; )
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
603 {
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
604 if (need_measurement)
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
605 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
606 need_measurement = 0;
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
607 printf("measure from do_comms\n");
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
608 do_measurement();
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
609 }
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
610
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
611 // wait for commands from the master
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
612 idle_sleep();
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
613 }
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
614
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
615 uart_off();
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
616 set_aux_power(0);
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
617 }
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
618
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
619 static void
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
620 blink()
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
621 {
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
622 PORT_LED &= ~_BV(PIN_LED);
9
7da9a3f23592 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 8
diff changeset
623 _delay_ms(1);
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
624 PORT_LED |= _BV(PIN_LED);
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
625 }
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
626
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
627 static void
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
628 long_delay(int ms)
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
629 {
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
630 int iter = ms / 100;
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
631
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
632 for (int i = 0; i < iter; i++)
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
633 {
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
634 _delay_ms(100);
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
635 }
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
636 }
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
637
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
638 ISR(BADISR_vect)
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
639 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
640 //uart_on();
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
641 printf_P(PSTR("Bad interrupt\n"));
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
642 }
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
643
9
7da9a3f23592 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 8
diff changeset
644
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
645 int main(void)
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
646 {
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
647 setup_chip();
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
648 blink();
9
7da9a3f23592 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 8
diff changeset
649
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
650 set_aux_power(0);
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
651
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
652 stdout = &mystdout;
7
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
653 uart_on();
52cb08a01171 serial prints something
Matt Johnston <matt@ucc.asn.au>
parents: 6
diff changeset
654
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
655 printf(PSTR("Started.\n"));
13
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
656
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
657 check_first_startup();
4838bfcb3504 Add eeprom stuff
Matt Johnston <matt@ucc.asn.au>
parents: 12
diff changeset
658
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
659 uart_off();
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
660
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
661 // turn off everything except timer2
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
662 //PRR = _BV(PRTWI) | _BV(PRTIM0) | _BV(PRTIM1) | _BV(PRSPI) | _BV(PRUSART0) | _BV(PRADC);
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
663
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
664 // for testing
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
665 uart_on();
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
666
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
667 setup_tick_counter();
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
668
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
669 sei();
8
c55321727d02 deep sleep works
Matt Johnston <matt@ucc.asn.au>
parents: 7
diff changeset
670
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
671 #if 0
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
672 for (;;)
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
673 {
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
674 do_comms();
6
9d538f674ff0 - Some basic ADC code
Matt Johnston <matt@ucc.asn.au>
parents: 5
diff changeset
675 }
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
676 #endif
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
677
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
678 for(;;)
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
679 {
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
680 if (need_measurement)
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
681 {
14
426fb44ece3f Lots of it works now.
Matt Johnston <matt@ucc.asn.au>
parents: 13
diff changeset
682 need_measurement = 0;
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
683 do_measurement();
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
684 continue;
1
1d1897d66b03 Some counter2 bits
Matt Johnston <matt@ucc.asn.au>
parents: 0
diff changeset
685 }
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
686
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
687 if (need_comms)
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
688 {
16
5075d8c428bd untested, add comms timeout code
Matt Johnston <matt@ucc.asn.au>
parents: 15
diff changeset
689 need_comms = 0;
4
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
690 do_comms();
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
691 continue;
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
692 }
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
693
54d369e3d689 Fill out more main.c structure
Matt Johnston <matt@ucc.asn.au>
parents: 3
diff changeset
694 deep_sleep();
9
7da9a3f23592 Import ds18x20 code
Matt Johnston <matt@ucc.asn.au>
parents: 8
diff changeset
695 blink();
10
1bfe28c348dd reading DS18B20 works
Matt Johnston <matt@ucc.asn.au>
parents: 9
diff changeset
696 printf(".");
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
697 }
12
3c27bfbd7f3a Add simple_ds18b20.c etc
Matt Johnston <matt@ucc.asn.au>
parents: 10
diff changeset
698
0
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
699 return 0; /* never reached */
c8b14b2950b9 Some basic bits
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
700 }