annotate tempctrl.c @ 76:4abce5954d25

Add a routine to return text versions of errors from the temperature conversion routine.
author darius@Inchoate
date Wed, 21 Jan 2009 22:51:37 +1030
parents 56165caf744b
children ca5fc59ec4f0
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1 /*
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2 * Temperature control logic
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3 *
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56165caf744b Missed some USB related crud + copyright updates.
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4 * Copyright (c) 2009
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5 * Daniel O'Connor <darius@dons.net.au>. All rights reserved.
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6 *
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7 * Redistribution and use in source and binary forms, with or without
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8 * modification, are permitted provided that the following conditions
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9 * are met:
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10 * 1. Redistributions of source code must retain the above copyright
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11 * notice, this list of conditions and the following disclaimer.
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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26 * SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdint.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33 #include <avr/interrupt.h>
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34 #include <avr/pgmspace.h>
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35 #include <avr/eeprom.h>
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36 #include <avr/wdt.h>
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37 #include <util/crc16.h>
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38
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39 #include "cons.h"
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40 #include "1wire.h"
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41 #include "tempctrl.h"
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42 #include "ds1307.h"
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43
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44 typedef struct {
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45 int32_t sec;
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46 int32_t usec;
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47 } time_t;
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48
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49 /* Holds all the settings needed */
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50 typedef struct {
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51 uint8_t fermenter_ROM[8];
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52 uint8_t fridge_ROM[8];
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53 uint8_t ambient_ROM[8];
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54 int16_t target_temp;
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55 uint16_t hysteresis;
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56 /* How much to under/overshoot on heating/cooling */
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57 int16_t minheatovershoot;
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58 int16_t mincoolovershoot;
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59
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60 /* Minimum time the cooler can be on/off */
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61 int16_t mincoolontime;
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62 int16_t mincoolofftime;
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63
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64 /* Minimum time the heater can be on/off */
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65 int16_t minheatontime;
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66 int16_t minheatofftime;
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67
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68 #define TC_MODE_AUTO 'a' /* Automatic control */
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69 #define TC_MODE_HEAT 'h' /* Force heating */
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70 #define TC_MODE_COOL 'c' /* Force cooling */
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71 #define TC_MODE_IDLE 'i' /* Force idle */
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72 #define TC_MODE_NOTHING 'n' /* Do nothing (like idle but log nothing) */
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73 char mode;
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74
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75 /* Bit patterns for various modes */
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76 uint8_t coolbits;
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77 uint8_t heatbits;
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78 uint8_t idlebits;
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79
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80 /* Check/stale times */
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81 int16_t check_interval;
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82 int16_t stale_factor;
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83
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84 /* Beep if stale */
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85 int8_t dobeep;
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86 } __attribute__((packed)) settings_t;
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87
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88 /* Current settings in RAM */
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89 static settings_t settings;
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90
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91 /* Our map of EEPROM */
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92 struct {
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93 settings_t settings;
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94 uint16_t crc;
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95 } ee_area __attribute__((section(".eeprom")));
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96
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97 /* Defaults that are shoved into EEPROM if it isn't inited */
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98 const PROGMEM settings_t default_settings = {
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99 .fermenter_ROM = { 0x10, 0x8b, 0x7a, 0x53, 0x01, 0x08, 0x00, 0xb4 },
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100 .fridge_ROM = { 0x10, 0xa6, 0x2a, 0xc4, 0x00, 0x08, 0x00, 0x11 },
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101 .ambient_ROM = { 0x10, 0x97, 0x1b, 0xfe, 0x00, 0x08, 0x00, 0xd1 },
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102 .target_temp = 1400,
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103 .hysteresis = 100,
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104 .minheatovershoot = 50,
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105 .mincoolovershoot = -50,
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106 .mincoolontime = 300,
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107 .mincoolofftime = 600,
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108 .minheatontime = 60,
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109 .minheatofftime = 60,
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110 .mode = TC_MODE_AUTO,
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111 .coolbits = _BV(6),
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112 .heatbits = _BV(7),
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113 .idlebits = 0x00,
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114 .check_interval = 10,
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115 .stale_factor = 3,
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116 .dobeep = 0
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117 };
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118
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119 /* Local variable declarations */
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120 volatile static time_t now;
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121 volatile static uint8_t beeping = 0;
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122 volatile static uint8_t lasttoggle = 0;
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123
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124 /* Local function prototypes */
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125 static void tempctrl_load_or_init_settings(void);
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126 static void tempctrl_default_settings(void);
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127 static void tempctrl_write_settings(void);
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128 static void setstate(char state);
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129 static const PROGMEM char*state2long(char s);
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130 static void printtemp(char *name, int tmp, char *trailer);
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131
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132 /*
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133 * tempctrl_init
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134 *
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135 * Setup timer, should be called with interrupts disabled.
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136 *
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137 */
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138 void
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139 tempctrl_init(void) {
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140 /* Setup timer */
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141 /* 16Mhz / 1024 = 15625 Hz / 125 = 125 Hz = IRQ every 8 ms */
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142
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143 /* CTC mode, no output on pin, Divide clock by 1024 */
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144 TCCR2 = _BV(WGM21)| _BV(CS22) | _BV(CS21) | _BV(CS20);
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145
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146 /* Compare with ... */
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147 OCR2 = 125;
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148
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149 /* Enable interrupt for match on A */
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150 TIMSK = _BV(OCIE2);
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151
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152 now.sec = 0;
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153 now.usec = 0;
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154
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155 tempctrl_load_or_init_settings();
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156 }
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157
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158 /*
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159 * Timer 2 Compare IRQ
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160 *
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161 * Update time counter
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162 */
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163
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164 ISR(TIMER2_COMP_vect) {
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165 wdt_reset();
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166
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167 now.usec += 8000; /* 1000000 * 1 / F_CPU / 1024 / 125 */
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168 while (now.usec > 1000000) {
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169 now.usec -= 1000000;
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170 now.sec++;
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171 }
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172
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173 if (beeping) {
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174 lasttoggle++;
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diff changeset
175 // 63 * 8ms = ~0.5s
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
176 if (lasttoggle > 63) {
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
177 DDRB ^= _BV(PB3);
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
178 lasttoggle = 0;
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
179 }
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
180 } else {
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
181 DDRB &= ~_BV(PB3);
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
182 lasttoggle = 0;
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
183 }
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
184 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
185
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
186 /*
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
187 * tempctrl_update
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
188 *
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
189 * Should be called in a normal context, could run things that take a long time.
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
190 * (ie 1wire bus stuff)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
191 *
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
192 */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
193 void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
194 tempctrl_update(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
195 /* State variables */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
196 static int32_t checktime = 0; // Time of next check
46
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
197 static int32_t lastdata = INT32_MIN; // Last time we got data
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
198
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
199 static int16_t fermenter_temp = 0; // Fermenter temperature
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
200 static int16_t fridge_temp = 0; // Fridge temperature
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
201 static int16_t ambient_temp = 0; // Ambient temperature
46
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
202 static int32_t lastheaton = INT32_MIN; // Last time the heater was on
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
203 static int32_t lastheatoff = INT32_MIN;// Last time the heater was off
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
204 static int32_t lastcoolon = INT32_MIN; // Last time the cooler was on
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
205 static int32_t lastcooloff = INT32_MIN;// Last time the cooler was off
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
206 static char currstate = 'i'; // Current state
46
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
207 /* We init to times to INT32_MIN so that things function properly when
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
208 * now < settings.minheat/cool/on/offtime */
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
209
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
210 /* Temporary variables */
62
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
211 int32_t t, tempt;
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
212 int16_t diff;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
213 char nextstate;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
214 int forced;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
215 int stale;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
216
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
217 t = gettod();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
218 /* Time to check temperatures? */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
219 if (t < checktime)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
220 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
221
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
222 checktime = t + settings.check_interval;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
223
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
224 /* Don't do any logging, just force idle and leave */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
225 if (settings.mode == TC_MODE_NOTHING) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
226 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
227 goto setstate;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
228 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
229
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
230 /* Update our temperatures */
62
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
231 tempt = OWGetTemp(settings.fermenter_ROM);
50
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
232 fridge_temp = OWGetTemp(settings.fridge_ROM);
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
233 ambient_temp = OWGetTemp(settings.ambient_ROM);
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
234
62
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
235 /* We only care about this one, only update the value we decide on
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
236 * only if it is valid
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
237 */
68
ac45a96e8034 Check the right value for staleness(!)
darius@Inchoate
parents: 67
diff changeset
238 if (tempt > OW_TEMP_BADVAL) {
62
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
239 fermenter_temp = tempt;
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
240 lastdata = t;
62
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
241 }
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
242
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
243 /* Check for stale data */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
244 if (lastdata + (settings.check_interval * settings.stale_factor) < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
245 stale = 1;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
246 else
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
247 stale = 0;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
248
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
249 /* Default to remaining as we are */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
250 nextstate = '-';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
251
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
252 /* Temperature diff, -ve => too cold, +ve => too warm */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
253 diff = fermenter_temp - settings.target_temp;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
254
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
255 switch (currstate) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
256 case 'i':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
257 /* If we're idle then only heat or cool if the temperate difference is out of the
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
258 * hysteresis band
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
259 */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
260 if (abs(diff) > settings.hysteresis) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
261 if (diff < 0 && settings.minheatofftime + lastheatoff < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
262 nextstate = 'h';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
263 else if (diff > 0 && settings.mincoolofftime + lastcooloff < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
264 nextstate = 'c';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
265 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
266 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
267
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
268 case 'c':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
269 /* Work out if we should go idle (based on min on time & overshoot) */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
270 if (diff + settings.mincoolovershoot < 0 &&
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
271 settings.mincoolontime + lastcoolon < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
272 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
273 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
274
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
275 case 'h':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
276 if (diff - settings.minheatovershoot > 0 &&
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
277 settings.minheatontime + lastheaton < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
278 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
279 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
280
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
281 default:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
282 printf_P(PSTR("\r\nUnknown state %c, going to idle\n"), currstate);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
283 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
284 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
285 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
286
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
287 /* Override if we have stale data */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
288 if (stale)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
289 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
290
55
6b1057409d9a Skip beep related stuff #ifdef WITHUSB.
darius@Inchoate
parents: 54
diff changeset
291 /* Handle beeping */
54
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
292 if (settings.dobeep && stale)
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
293 beeping = 1;
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
294 else
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
295 beeping = 0;
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
296
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
297 /* Handle state forcing */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
298 if (settings.mode != TC_MODE_AUTO)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
299 forced = 1;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
300 else
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
301 forced = 0;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
302
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
303 if (settings.mode == TC_MODE_IDLE)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
304 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
305 else if (settings.mode == TC_MODE_HEAT)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
306 nextstate = 'h';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
307 else if (settings.mode == TC_MODE_COOL)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
308 nextstate = 'c';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
309
42
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
310 // Keep track of when we last turned things on or off
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
311 switch (nextstate) {
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
312 case 'c':
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
313 if (currstate == 'h')
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
314 lastheatoff = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
315 lastcoolon = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
316 break;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
317
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
318 case 'h':
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
319 if (currstate == 'c')
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
320 lastcooloff = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
321 lastheaton = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
322 break;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
323
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
324 default:
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
325 if (currstate == 'c')
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
326 lastcooloff = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
327 if (currstate == 'h')
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
328 lastheatoff = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
329 }
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
330
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
331 if (nextstate != '-')
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
332 currstate = nextstate;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
333
60
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 59
diff changeset
334 #if 0
50
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
335 printf_P(PSTR("Time: %10ld, "), t);
60
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 59
diff changeset
336 #else
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 59
diff changeset
337 ds1307_printtime(PSTR(""), PSTR(": "));
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 59
diff changeset
338 #endif
50
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
339 printtemp(PSTR("Target"), settings.target_temp, PSTR(", "));
62
e955aa7047ed Don't update the temperature we make decisions if it is invalid.
darius@Inchoate
parents: 60
diff changeset
340 printtemp(PSTR("Fermenter"), tempt, PSTR(", ")); // Use actual value from sensor
50
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
341 printtemp(PSTR("Fridge"), fridge_temp, PSTR(", "));
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
342 printtemp(PSTR("Ambient"), ambient_temp, PSTR(", "));
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
343 printf_P(PSTR("State: %S, Flags: %S%S\r\n"), state2long(currstate),
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
344 forced ? PSTR("F") : PSTR(""),
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
345 stale ? PSTR("S") : PSTR(""));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
346
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
347 setstate:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
348 setstate(currstate);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
349 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
350
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
351 /* Return 'time of day' (really uptime) */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
352 int32_t
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
353 gettod(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
354 int32_t t;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
355
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
356 cli();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
357 t = now.sec;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
358 sei();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
359
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
360 return(t);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
361 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
362
50
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
363 /*
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
364 * Print out temperature (or NA + error code) with specified trailer
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
365 */
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
366 static void
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
367 printtemp(char *name, int tmp, char *trailer) {
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
368 if (tmp > OW_TEMP_BADVAL)
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
369 printf_P(PSTR("%S: %d.%02d%S"), name, GETWHOLE(tmp), GETFRAC(tmp), trailer);
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
370 else
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
371 printf_P(PSTR("%S: NA (%d)%S"), name, tmp, trailer);
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
372 }
a13e0ccc1d2d Rejig how temperatures are logged. Print out the final line at the end so it
darius@Inchoate
parents: 49
diff changeset
373
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
374 /* Read the settings from EEPROM
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
375 * If the CRC fails then reload from flash
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
376 */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
377 static void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
378 tempctrl_load_or_init_settings(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
379 uint8_t *dptr;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
380 uint16_t crc, strcrc;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
381 int i;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
382
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
383 crc = 0;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
384 eeprom_busy_wait();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
385 eeprom_read_block(&settings, &ee_area.settings, sizeof(settings_t));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
386 strcrc = eeprom_read_word(&ee_area.crc);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
387
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
388 dptr = (uint8_t *)&settings;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
389
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
390 for (i = 0; i < sizeof(settings_t); i++)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
391 crc = _crc16_update(crc, dptr[i]);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
392
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
393 /* All OK? */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
394 if (crc == strcrc)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
395 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
396
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
397 printf_P(PSTR("CRC mismatch got 0x%04x vs 0x%04x, setting defaults\r\n"), crc, strcrc);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
398 tempctrl_default_settings();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
399 tempctrl_write_settings();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
400 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
401
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
402 /* Load in the defaults from flash */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
403 static void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
404 tempctrl_default_settings(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
405 memcpy_P(&settings, &default_settings, sizeof(settings_t));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
406 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
407
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
408 /* Write the current settings out to EEPROM */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
409 static void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
410 tempctrl_write_settings(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
411 uint16_t crc;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
412 uint8_t *dptr;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
413 int i;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
414
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
415 eeprom_busy_wait();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
416 eeprom_write_block(&settings, &ee_area.settings, sizeof(settings_t));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
417
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
418 dptr = (uint8_t *)&settings;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
419 crc = 0;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
420 for (i = 0; i < sizeof(settings_t); i++)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
421 crc = _crc16_update(crc, dptr[i]);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
422
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
423 eeprom_write_word(&ee_area.crc, crc);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
424 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
425
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
426 /* Set the relays to match the desired state */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
427 static void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
428 setstate(char state) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
429 switch (state) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
430 case 'c':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
431 PORTC = settings.coolbits;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
432 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
433
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
434 case 'h':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
435 PORTC = settings.heatbits;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
436 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
437
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
438 default:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
439 printf_P(PSTR("Unknown state %c, setting idle\r\n"), state);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
440 /* fallthrough */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
441
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
442 case 'i':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
443 PORTC = settings.idlebits;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
444 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
445 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
446 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
447
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
448 /* Handle user command
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
449 *
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
450 */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
451 void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
452 tempctrl_cmd(char *buf) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
453 char cmd[6];
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
454 int16_t data;
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
455 uint8_t ROM[8];
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
456
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
457 if (sscanf_P(buf, PSTR("tc %5s"), cmd, &data) == 0) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
458 printf_P(PSTR("Unable to parse tc subcommand\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
459 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
460 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
461
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
462 if (!strcasecmp_P(cmd, PSTR("help"))) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
463 printf_P(PSTR(
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
464 "tc help This help\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
465 "tc save Save settings to EEPROM\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
466 "tc load Load or default settings from EEPROM\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
467 "tc dflt Load defaults from flash\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
468 "tc list List current settings\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
469 "tc mode [achin] Change control mode, must be one of\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
470 " a Auto\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
471 " c Always cool\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
472 " h Always heat\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
473 " i Always idle\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
474 " n Like idle but don't log anything\r\n"
54
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
475 "tc beep [01] Enable/disable beeping when data is stale\r\n"
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
476 "tc X Y Set X to Y where X is one of\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
477 " targ Target temperature\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
478 " hys Hysteresis range\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
479 " mhov Minimum heat overshoot\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
480 " mcov Minimum cool overshoot\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
481 " mcon Minimum cool on time\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
482 " mcoff Minimum cool off time\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
483 " mhin Minimum heat on time\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
484 " mhoff Minimum heat off time\r\n"
65
1ef17cd8af7a Tab to space conversion in usage text.
darius@Inchoate
parents: 62
diff changeset
485 "tc A B Set temperature sensor ID\r\n"
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
486 " Where A is ferm, frg or amb\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
487 " and B is of the form xx:xx:xx:xx:xx:xx:xx:xx\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
488 "\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
489 " Times are in seconds\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
490 " Temperatures are in hundredths of degrees Celcius\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
491 ));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
492 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
493 }
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
494
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
495 if (!strcasecmp_P(cmd, PSTR("save"))) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
496 tempctrl_write_settings();
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
497 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
498 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
499 if (!strcasecmp_P(cmd, PSTR("load"))) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
500 tempctrl_load_or_init_settings();
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
501 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
502 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
503 if (!strcasecmp_P(cmd, PSTR("dflt"))) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
504 tempctrl_default_settings();
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
505 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
506 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
507 if (!strcasecmp_P(cmd, PSTR("list"))) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
508 printf_P(PSTR("Fermenter ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
509 "Fridge ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
510 "Ambient ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
511 "Mode - %c, Target - %d, Hystersis - %d\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
512 "Min heat overshoot - %d, Min cool overshoot - %d\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
513 "Min cool on time - %d, Min cool off time - %d\r\n"
54
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
514 "Min heat on time - %d, Min heat off time - %d\r\n"
55
6b1057409d9a Skip beep related stuff #ifdef WITHUSB.
darius@Inchoate
parents: 54
diff changeset
515 "Beep on stale - %S\r\n"
6b1057409d9a Skip beep related stuff #ifdef WITHUSB.
darius@Inchoate
parents: 54
diff changeset
516 ),
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
517 settings.fermenter_ROM[0], settings.fermenter_ROM[1], settings.fermenter_ROM[2], settings.fermenter_ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
518 settings.fermenter_ROM[4], settings.fermenter_ROM[5], settings.fermenter_ROM[6], settings.fermenter_ROM[7],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
519 settings.fridge_ROM[0], settings.fridge_ROM[1], settings.fridge_ROM[2], settings.fridge_ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
520 settings.fridge_ROM[4], settings.fridge_ROM[5], settings.fridge_ROM[6], settings.fridge_ROM[7],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
521 settings.ambient_ROM[0], settings.ambient_ROM[1], settings.ambient_ROM[2], settings.ambient_ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
522 settings.ambient_ROM[4], settings.ambient_ROM[5], settings.ambient_ROM[6], settings.ambient_ROM[7],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
523 settings.mode, settings.target_temp, settings.hysteresis,
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
524 settings.minheatovershoot, settings.mincoolovershoot,
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
525 settings.mincoolontime, settings.minheatontime,
54
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
526 settings.minheatontime, settings.minheatofftime,
55
6b1057409d9a Skip beep related stuff #ifdef WITHUSB.
darius@Inchoate
parents: 54
diff changeset
527 settings.dobeep ? PSTR("yes") : PSTR("no")
6b1057409d9a Skip beep related stuff #ifdef WITHUSB.
darius@Inchoate
parents: 54
diff changeset
528 );
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
529 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
530 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
531 if (!strcasecmp_P(cmd, PSTR("mode"))) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
532 switch (buf[8]) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
533 case TC_MODE_AUTO:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
534 case TC_MODE_HEAT:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
535 case TC_MODE_COOL:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
536 case TC_MODE_IDLE:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
537 case TC_MODE_NOTHING:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
538 settings.mode = buf[8];
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
539 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
540
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
541 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
542 printf_P(PSTR("Unknown mode character '%c'\r\n"), buf[8]);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
543 break;
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
544 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
545 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
546 }
54
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
547 if (!strcasecmp_P(cmd, PSTR("beep"))) {
60
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 59
diff changeset
548 if (buf[8] == '1' || buf[8] == 'y')
54
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
549 settings.dobeep = 1;
60
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 59
diff changeset
550 else if (buf[8] == '0' || buf[8] == 'n')
54
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
551 settings.dobeep = 0;
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
552 else
60
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 59
diff changeset
553 printf_P(PSTR("Expected a y/1 or n/0\r\n"));
54
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
554 return;
58f1ec46bff6 Add a beeper when the data is stale (only when USB is disabled as they share
darius@Inchoate
parents: 51
diff changeset
555 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
556 if (!strcasecmp_P(cmd, PSTR("ferm")) ||
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
557 !strcasecmp_P(cmd, PSTR("frg")) ||
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
558 !strcasecmp_P(cmd, PSTR("amb"))) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
559
69
3dcf933f2640 Write the sub command into the right variable (oops). Now you can set the
darius@Inchoate
parents: 68
diff changeset
560 if (sscanf_P(buf, PSTR("tc %5s %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"), cmd,
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
561 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
562 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 9) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
563 printf_P(PSTR("Unable to parse ROM ID\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
564 } else {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
565 if (!strcasecmp_P(cmd, PSTR("ferm")))
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
566 memcpy(settings.fermenter_ROM, ROM, sizeof(ROM));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
567 if (!strcasecmp_P(cmd, PSTR("frg")))
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
568 memcpy(settings.fridge_ROM, ROM, sizeof(ROM));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
569 if (!strcasecmp_P(cmd, PSTR("amb")))
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
570 memcpy(settings.ambient_ROM, ROM, sizeof(ROM));
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
571 }
70
ea5862987368 Fix up parsing logic.
darius@Inchoate
parents: 69
diff changeset
572 return;
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
573 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
574
70
ea5862987368 Fix up parsing logic.
darius@Inchoate
parents: 69
diff changeset
575 /* Handle setting the multitude of variables
ea5862987368 Fix up parsing logic.
darius@Inchoate
parents: 69
diff changeset
576 * It's last to simplify things */
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
577 if (sscanf_P(buf, PSTR("tc %5s %d"), cmd, &data) != 2) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 50
diff changeset
578 printf_P(PSTR("Unable to parse tc subcommand & value\r\n"));
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
579 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
580 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
581
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
582 if (!strcasecmp_P(cmd, PSTR("targ"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
583 settings.target_temp = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
584 } else if (!strcasecmp_P(cmd, PSTR("hys"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
585 settings.hysteresis = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
586 } else if (!strcasecmp_P(cmd, PSTR("mhov"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
587 settings.minheatovershoot = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
588 } else if (!strcasecmp_P(cmd, PSTR("mcov"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
589 settings.mincoolovershoot = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
590 } else if (!strcasecmp_P(cmd, PSTR("mcon"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
591 settings.mincoolontime = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
592 } else if (!strcasecmp_P(cmd, PSTR("mcoff"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
593 settings.mincoolofftime = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
594 } else if (!strcasecmp_P(cmd, PSTR("mhon"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
595 settings.minheatontime = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
596 } else if (!strcasecmp_P(cmd, PSTR("mhoff"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
597 settings.minheatofftime = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
598 } else {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
599 printf_P(PSTR("Unknown setting\r\n"));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
600 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
601 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
602
71
553c061fda7c Keep the newer GCC happy.
darius@Inchoate
parents: 70
diff changeset
603 static const char*
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
604 state2long(char s) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
605 switch (s) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
606 case 'i':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
607 return PSTR("idle");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
608 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
609
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
610 case 'c':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
611 return PSTR("cool");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
612 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
613
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
614 case 'h':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
615 return PSTR("heat");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
616 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
617
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
618 case '-':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
619 return PSTR("-");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
620 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
621
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
622 default:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
623 return PSTR("unknown");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
624 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
625 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
626 }