annotate tempctrl.c @ 47:13a68734348b

Add watchdog timer.
author darius@Inchoate
date Mon, 20 Oct 2008 22:22:15 +1030
parents fb272cb82bcb
children 91e06007fe23
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1 /*
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2 * Temperature control logic
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3 *
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4 * Copyright (c) 2008
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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 <avr/interrupt.h>
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33 #include <avr/pgmspace.h>
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34 #include <avr/eeprom.h>
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35 #include <avr/wdt.h>
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36 #include <util/crc16.h>
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37
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38 #include "cons.h"
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39 #include "1wire.h"
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40 #include "tempctrl.h"
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41
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42 typedef struct {
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43 int32_t sec;
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44 int32_t usec;
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45 } time_t;
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46
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47 /* Holds all the settings needed */
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48 typedef struct {
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49 uint8_t fermenter_ROM[8];
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50 uint8_t fridge_ROM[8];
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51 uint8_t ambient_ROM[8];
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52 int16_t target_temp;
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53 uint16_t hysteresis;
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54
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55 /* How much to under/overshoot on heating/cooling */
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56 int16_t minheatovershoot;
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57 int16_t mincoolovershoot;
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58
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59 /* Minimum time the cooler can be on/off */
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60 int16_t mincoolontime;
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61 int16_t mincoolofftime;
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62
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63 /* Minimum time the heater can be on/off */
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64 int16_t minheatontime;
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65 int16_t minheatofftime;
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66
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67 #define TC_MODE_AUTO 'a' /* Automatic control */
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68 #define TC_MODE_HEAT 'h' /* Force heating */
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69 #define TC_MODE_COOL 'c' /* Force cooling */
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70 #define TC_MODE_IDLE 'i' /* Force idle */
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71 #define TC_MODE_NOTHING 'n' /* Do nothing (like idle but log nothing) */
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72 char mode;
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73
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74 /* Bit patterns for various modes */
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75 uint8_t coolbits;
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76 uint8_t heatbits;
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77 uint8_t idlebits;
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78
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79 /* Check/stale times */
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80 int16_t check_interval;
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81 int16_t stale_factor;
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82 } __attribute__((packed)) settings_t;
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83
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84 /* Current settings in RAM */
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85 static settings_t settings;
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86
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87 /* Our map of EEPROM */
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88 struct {
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89 settings_t settings;
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90 uint16_t crc;
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91 } ee_area __attribute__((section(".eeprom")));
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92
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93 /* Defaults that are shoved into EEPROM if it isn't inited */
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94 const PROGMEM settings_t default_settings = {
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95 .fermenter_ROM = { 0x10, 0xeb, 0x48, 0x21, 0x01, 0x08, 0x00, 0xdf },
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96 .fridge_ROM = { 0x10, 0xa6, 0x2a, 0xc4, 0x00, 0x08, 0x00, 0x11 },
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97 .ambient_ROM = { 0x10, 0x97, 0x1b, 0xfe, 0x00, 0x08, 0x00, 0xd1 },
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98 .target_temp = 1400,
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99 .hysteresis = 100,
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100 .minheatovershoot = 50,
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101 .mincoolovershoot = -50,
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102 .mincoolontime = 300,
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103 .mincoolofftime = 600,
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104 .minheatontime = 60,
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105 .minheatofftime = 60,
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106 .mode = TC_MODE_AUTO,
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107 .coolbits = _BV(6),
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108 .heatbits = _BV(7),
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109 .idlebits = 0x00,
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110 .check_interval = 10,
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111 .stale_factor = 3
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112 };
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113
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114 /* Local variable declarations */
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115 volatile static time_t now;
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116
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117 /* Local function prototypes */
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118 static int gettemp(const char *name, uint8_t *ROM, int16_t *temp, uint8_t last);
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119 static void tempctrl_load_or_init_settings(void);
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120 static void tempctrl_default_settings(void);
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121 static void tempctrl_write_settings(void);
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122 static void setstate(char state);
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123 static const PROGMEM char*state2long(char s);
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124
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125 /*
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126 * tempctrl_init
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127 *
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128 * Setup timer, should be called with interrupts disabled.
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129 *
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130 */
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131 void
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132 tempctrl_init(void) {
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133 /* Setup timer */
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134 /* 16Mhz / 1024 = 15625 Hz / 125 = 125 Hz = IRQ every 8 ms */
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135
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136 /* CTC mode, no output on pin, Divide clock by 1024 */
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137 TCCR0 = _BV(WGM01)| _BV(CS02) | _BV(CS00);
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138
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139 /* Compare with ... */
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140 OCR0 = 125;
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141
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142 /* Enable interrupt for match on A */
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143 TIMSK = _BV(OCIE0);
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144
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145 now.sec = 0;
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146 now.usec = 0;
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147
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148 tempctrl_load_or_init_settings();
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149 }
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150
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151 /*
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152 * Timer 0 Compare IRQ
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153 *
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154 * Update time counter
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155 */
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156
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157 ISR(TIMER0_COMP_vect) {
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158 wdt_reset();
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159
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160 now.usec += 8000; /* 1000000 * 1 / F_CPU / 1024 / 125 */
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161 while (now.usec > 1000000) {
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162 now.usec -= 1000000;
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163 now.sec++;
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164 }
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165 }
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166
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167 /*
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168 * tempctrl_update
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169 *
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170 * Should be called in a normal context, could run things that take a long time.
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171 * (ie 1wire bus stuff)
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172 *
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173 */
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174 void
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175 tempctrl_update(void) {
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176 /* State variables */
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177 static int32_t checktime = 0; // Time of next check
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178 static int32_t lastdata = INT32_MIN; // Last time we got data
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179
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180 static int16_t fermenter_temp = 0; // Fermenter temperature
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181 static int16_t fridge_temp = 0; // Fridge temperature
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182 static int16_t ambient_temp = 0; // Ambient temperature
46
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
183 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
184 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
185 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
186 static int32_t lastcooloff = INT32_MIN;// Last time the cooler was off
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
187 static char currstate = 'i'; // Current state
46
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
188 /* 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
189 * now < settings.minheat/cool/on/offtime */
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
190
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
191 /* Temporary variables */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
192 int32_t t;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
193 int16_t diff;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
194 char nextstate;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
195 int forced;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
196 int stale;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
197
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
198 t = gettod();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
199 /* Time to check temperatures? */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
200 if (t < checktime)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
201 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
202
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
203 checktime = t + settings.check_interval;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
204
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
205 /* Don't do any logging, just force idle and leave */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
206 if (settings.mode == TC_MODE_NOTHING) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
207 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
208 goto setstate;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
209 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
210
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
211 /* Update our temperatures */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
212 printf_P(PSTR("Time: %ld, Target: %d.%02d, "), now.sec, GETWHOLE(settings.target_temp),
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
213 GETFRAC(settings.target_temp));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
214
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
215 if (gettemp(PSTR("Fermenter"), settings.fermenter_ROM, &fermenter_temp, 0))
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
216 lastdata = t;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
217
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
218 /* Check for stale data */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
219 if (lastdata + (settings.check_interval * settings.stale_factor) < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
220 stale = 1;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
221 else
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
222 stale = 0;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
223
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
224 gettemp(PSTR("Fridge"), settings.fridge_ROM, &fridge_temp, 0);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
225 gettemp(PSTR("Ambient"), settings.ambient_ROM, &ambient_temp, 1);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
226
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
227 /* Default to remaining as we are */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
228 nextstate = '-';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
229
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
230 /* Temperature diff, -ve => too cold, +ve => too warm */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
231 diff = fermenter_temp - settings.target_temp;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
232
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
233 switch (currstate) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
234 case 'i':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
235 /* 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
236 * hysteresis band
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
237 */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
238 if (abs(diff) > settings.hysteresis) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
239 if (diff < 0 && settings.minheatofftime + lastheatoff < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
240 nextstate = 'h';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
241 else if (diff > 0 && settings.mincoolofftime + lastcooloff < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
242 nextstate = 'c';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
243 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
244 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
245
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
246 case 'c':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
247 /* Work out if we should go idle (based on min on time & overshoot) */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
248 if (diff + settings.mincoolovershoot < 0 &&
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
249 settings.mincoolontime + lastcoolon < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
250 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
251 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
252
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
253 case 'h':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
254 if (diff - settings.minheatovershoot > 0 &&
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
255 settings.minheatontime + lastheaton < t)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
256 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
257 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
258
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
259 default:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
260 printf_P(PSTR("\r\nUnknown state %c, going to idle\n"), currstate);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
261 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
262 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
263 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
264
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
265 /* Override if we have stale data */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
266 if (stale)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
267 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
268
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
269 /* Handle state forcing */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
270 if (settings.mode != TC_MODE_AUTO)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
271 forced = 1;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
272 else
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
273 forced = 0;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
274
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
275 if (settings.mode == TC_MODE_IDLE)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
276 nextstate = 'i';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
277 else if (settings.mode == TC_MODE_HEAT)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
278 nextstate = 'h';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
279 else if (settings.mode == TC_MODE_COOL)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
280 nextstate = 'c';
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
281
42
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
282 // 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
283 switch (nextstate) {
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
284 case 'c':
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
285 if (currstate == 'h')
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
286 lastheatoff = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
287 lastcoolon = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
288 break;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
289
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
290 case 'h':
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
291 if (currstate == 'c')
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
292 lastcooloff = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
293 lastheaton = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
294 break;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
295
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
296 default:
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
297 if (currstate == 'c')
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
298 lastcooloff = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
299 if (currstate == 'h')
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
300 lastheatoff = t;
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
301 }
97ae82023d5b Actually keep track of when the heater & cooler go on/off..
darius@inchoate.localdomain
parents: 41
diff changeset
302
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
303 if (nextstate != '-')
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
304 currstate = nextstate;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
305
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
306 printf_P(PSTR(", State: %S, Flags: %S%S\r\n"), state2long(currstate),
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
307 forced ? PSTR("F") : PSTR(""),
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
308 stale ? PSTR("S") : PSTR(""));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
309
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
310 setstate:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
311 setstate(currstate);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
312 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
313
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
314 /*
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
315 * Log a temperature & store it if valid
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
316 *
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
317 * Returns 1 if it was valid, 0 otherwise
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
318 */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
319 static int
46
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
320 gettemp(const char *name, uint8_t *ROM, int16_t *temp, uint8_t last) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
321 int16_t tmp;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
322
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
323 tmp = OWGetTemp(ROM);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
324 printf_P(PSTR("%S: "), name);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
325 if (tmp > OW_TEMP_BADVAL) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
326 printf_P(PSTR("%d.%02d%S"), GETWHOLE(tmp), GETFRAC(tmp), last ? PSTR("") : PSTR(", "));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
327 *temp = tmp;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
328 return(1);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
329 } else {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
330 printf_P(PSTR("NA (%d)%S"), tmp, last ? PSTR("") : PSTR(", "));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
331 return(0);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
332 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
333 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
334
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
335 /* Return 'time of day' (really uptime) */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
336 int32_t
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
337 gettod(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
338 int32_t t;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
339
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
340 cli();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
341 t = now.sec;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
342 sei();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
343
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
344 return(t);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
345 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
346
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
347 /* Read the settings from EEPROM
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
348 * If the CRC fails then reload from flash
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
349 */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
350 static void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
351 tempctrl_load_or_init_settings(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
352 uint8_t *dptr;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
353 uint16_t crc, strcrc;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
354 int i;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
355
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
356 crc = 0;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
357 eeprom_busy_wait();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
358 eeprom_read_block(&settings, &ee_area.settings, sizeof(settings_t));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
359 strcrc = eeprom_read_word(&ee_area.crc);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
360
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
361 dptr = (uint8_t *)&settings;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
362
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
363 for (i = 0; i < sizeof(settings_t); i++)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
364 crc = _crc16_update(crc, dptr[i]);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
365
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
366 /* All OK? */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
367 if (crc == strcrc)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
368 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
369
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
370 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
371 tempctrl_default_settings();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
372 tempctrl_write_settings();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
373 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
374
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
375 /* Load in the defaults from flash */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
376 static void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
377 tempctrl_default_settings(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
378 memcpy_P(&settings, &default_settings, sizeof(settings_t));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
379 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
380
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
381 /* Write the current settings out to EEPROM */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
382 static void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
383 tempctrl_write_settings(void) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
384 uint16_t crc;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
385 uint8_t *dptr;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
386 int i;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
387
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
388 eeprom_busy_wait();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
389 eeprom_write_block(&settings, &ee_area.settings, sizeof(settings_t));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
390
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
391 dptr = (uint8_t *)&settings;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
392 crc = 0;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
393 for (i = 0; i < sizeof(settings_t); i++)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
394 crc = _crc16_update(crc, dptr[i]);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
395
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
396 eeprom_write_word(&ee_area.crc, crc);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
397 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
398
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
399 /* Set the relays to match the desired state */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
400 static void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
401 setstate(char state) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
402 switch (state) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
403 case 'c':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
404 PORTC = settings.coolbits;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
405 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
406
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
407 case 'h':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
408 PORTC = settings.heatbits;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
409 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
410
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
411 default:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
412 printf_P(PSTR("Unknown state %c, setting idle\r\n"), state);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
413 /* fallthrough */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
414
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
415 case 'i':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
416 PORTC = settings.idlebits;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
417 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
418 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
419 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
420
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
421 /* Handle user command
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
422 *
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
423 */
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
424 void
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
425 tempctrl_cmd(char *buf) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
426 char cmd[6];
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
427 int16_t data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
428 int i;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
429
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
430 i = sscanf_P(buf, PSTR("tc %5s %d"), cmd, &data);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
431
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
432 if (i == 1) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
433 if (!strcasecmp_P(cmd, PSTR("help"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
434 printf_P(PSTR(
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
435 "tc help This help\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
436 "tc save Save settings to EEPROM\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
437 "tc load Load or default settings from EEPROM\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
438 "tc dflt Load defaults from flash\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
439 "tc list List current settings\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
440 "tc mode [achin] Change control mode, must be one of\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
441 " a Auto\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
442 " c Always cool\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
443 " h Always heat\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
444 " i Always idle\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
445 " n Like idle but don't log anything\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
446 "\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
447 "tc X Y Set X to Y where X is one of\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
448 " targ Target temperature\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
449 " hys Hysteresis range\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
450 " mhov Minimum heat overshoot\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
451 " mcov Minimum cool overshoot\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
452 " mcon Minimum cool on time\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
453 " mcoff Minimum cool off time\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
454 " mhin Minimum heat on time\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
455 " mhoff Minimum heat off time\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
456 " Times are in seconds\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
457 " Temperatures are in hundredths of degrees Celcius\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
458 ));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
459 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
460 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
461
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
462 if (!strcasecmp_P(cmd, PSTR("save"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
463 tempctrl_write_settings();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
464 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
465 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
466 if (!strcasecmp_P(cmd, PSTR("load"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
467 tempctrl_load_or_init_settings();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
468 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
469 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
470 if (!strcasecmp_P(cmd, PSTR("dflt"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
471 tempctrl_default_settings();
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
472 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
473 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
474 if (!strcasecmp_P(cmd, PSTR("list"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
475 printf_P(PSTR("Fermenter ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
476 "Fridge ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
477 "Ambient ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n"
46
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
478 "Mode - %c, Target - %d, Hystersis - %d\r\n"
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
479 "Min heat overshoot - %d, Min cool overshoot - %d\r\n"
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
480 "Min cool on time - %d, Min cool off time - %d\r\n"
44
f219538d6ea7 Fix typo.
darius@inchoate.localdomain
parents: 43
diff changeset
481 "Min heat on time - %d, Min heat off time - %d\r\n"),
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
482 settings.fermenter_ROM[0], settings.fermenter_ROM[1], settings.fermenter_ROM[2], settings.fermenter_ROM[3],
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
483 settings.fermenter_ROM[4], settings.fermenter_ROM[5], settings.fermenter_ROM[6], settings.fermenter_ROM[7],
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
484 settings.fridge_ROM[0], settings.fridge_ROM[1], settings.fridge_ROM[2], settings.fridge_ROM[3],
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
485 settings.fridge_ROM[4], settings.fridge_ROM[5], settings.fridge_ROM[6], settings.fridge_ROM[7],
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
486 settings.ambient_ROM[0], settings.ambient_ROM[1], settings.ambient_ROM[2], settings.ambient_ROM[3],
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
487 settings.ambient_ROM[4], settings.ambient_ROM[5], settings.ambient_ROM[6], settings.ambient_ROM[7],
46
fb272cb82bcb Add watchdog reset to timer IRQ.
darius@Inchoate
parents: 44
diff changeset
488 settings.mode, settings.target_temp, settings.hysteresis,
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
489 settings.minheatovershoot, settings.mincoolovershoot,
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
490 settings.mincoolontime, settings.minheatontime,
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
491 settings.minheatontime, settings.minheatofftime);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
492 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
493 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
494 if (!strcasecmp_P(cmd, PSTR("mode"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
495 switch (buf[8]) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
496 case TC_MODE_AUTO:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
497 case TC_MODE_HEAT:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
498 case TC_MODE_COOL:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
499 case TC_MODE_IDLE:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
500 case TC_MODE_NOTHING:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
501 settings.mode = buf[8];
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
502 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
503
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
504 default:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
505 printf_P(PSTR("Unknown mode character '%c'\r\n"), buf[8]);
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
506 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
507 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
508 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
509 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
510
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
511 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
512
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
513 if (i != 2) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
514 printf_P(PSTR("Unable to parse command\r\n"));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
515 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
516 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
517
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
518 if (!strcasecmp_P(cmd, PSTR("targ"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
519 settings.target_temp = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
520 } else if (!strcasecmp_P(cmd, PSTR("hys"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
521 settings.hysteresis = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
522 } else if (!strcasecmp_P(cmd, PSTR("mhov"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
523 settings.minheatovershoot = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
524 } else if (!strcasecmp_P(cmd, PSTR("mcov"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
525 settings.mincoolovershoot = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
526 } else if (!strcasecmp_P(cmd, PSTR("mcon"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
527 settings.mincoolontime = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
528 } else if (!strcasecmp_P(cmd, PSTR("mcoff"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
529 settings.mincoolofftime = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
530 } else if (!strcasecmp_P(cmd, PSTR("mhon"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
531 settings.minheatontime = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
532 } else if (!strcasecmp_P(cmd, PSTR("mhoff"))) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
533 settings.minheatofftime = data;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
534 } else {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
535 printf_P(PSTR("Unknown setting\r\n"));
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
536 return;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
537 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
538 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
539
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
540 static const PROGMEM char*
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
541 state2long(char s) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
542 switch (s) {
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
543 case 'i':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
544 return PSTR("idle");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
545 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
546
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
547 case 'c':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
548 return PSTR("cool");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
549 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
550
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
551 case 'h':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
552 return PSTR("heat");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
553 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
554
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
555 case '-':
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
556 return PSTR("-");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
557 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
558
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
559 default:
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
560 return PSTR("unknown");
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
561 break;
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
562 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
563 }
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents:
diff changeset
564