Mercurial > ~darius > hgwebdir.cgi > tempctrl
annotate tempctrl.c @ 80:c8cd6dd74ca1
Don't call wdt_reset() in the IRQ routine - it makes the WDT useless.
Instead only call it as needed when talking to ROMs (which can take a while
if you had several).
This makes the WDT bite when a problem occurs with the RTC (still not sure
what the actual problem is though)
| author | Daniel O'Connor <darius@dons.net.au> |
|---|---|
| date | Wed, 06 May 2009 08:30:45 +0930 |
| parents | a1edf53d904e |
| children | 781071a115be |
| rev | line source |
|---|---|
| 41 | 1 /* |
| 2 * Temperature control logic | |
| 3 * | |
|
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4 * Copyright (c) 2009 |
| 41 | 5 * Daniel O'Connor <darius@dons.net.au>. All rights reserved. |
| 6 * | |
| 7 * Redistribution and use in source and binary forms, with or without | |
| 8 * modification, are permitted provided that the following conditions | |
| 9 * are met: | |
| 10 * 1. Redistributions of source code must retain the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer. | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
| 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 26 * SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #include <stdio.h> | |
| 30 #include <stdint.h> | |
| 31 #include <stdlib.h> | |
|
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32 #include <string.h> |
| 41 | 33 #include <avr/interrupt.h> |
| 34 #include <avr/pgmspace.h> | |
| 35 #include <avr/eeprom.h> | |
| 46 | 36 #include <avr/wdt.h> |
| 41 | 37 #include <util/crc16.h> |
| 38 | |
| 39 #include "cons.h" | |
| 40 #include "1wire.h" | |
| 41 #include "tempctrl.h" | |
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42 #include "ds1307.h" |
| 41 | 43 |
| 44 typedef struct { | |
| 45 int32_t sec; | |
| 46 int32_t usec; | |
| 47 } time_t; | |
| 48 | |
| 49 /* Holds all the settings needed */ | |
| 50 typedef struct { | |
| 51 uint8_t fermenter_ROM[8]; | |
| 52 uint8_t fridge_ROM[8]; | |
| 53 uint8_t ambient_ROM[8]; | |
| 54 int16_t target_temp; | |
| 55 uint16_t hysteresis; | |
| 56 /* How much to under/overshoot on heating/cooling */ | |
| 57 int16_t minheatovershoot; | |
| 58 int16_t mincoolovershoot; | |
| 59 | |
| 60 /* Minimum time the cooler can be on/off */ | |
| 61 int16_t mincoolontime; | |
| 62 int16_t mincoolofftime; | |
| 63 | |
| 64 /* Minimum time the heater can be on/off */ | |
| 65 int16_t minheatontime; | |
| 66 int16_t minheatofftime; | |
| 67 | |
| 68 #define TC_MODE_AUTO 'a' /* Automatic control */ | |
| 69 #define TC_MODE_HEAT 'h' /* Force heating */ | |
| 70 #define TC_MODE_COOL 'c' /* Force cooling */ | |
| 71 #define TC_MODE_IDLE 'i' /* Force idle */ | |
| 72 #define TC_MODE_NOTHING 'n' /* Do nothing (like idle but log nothing) */ | |
| 73 char mode; | |
| 74 | |
| 75 /* Bit patterns for various modes */ | |
| 76 uint8_t coolbits; | |
| 77 uint8_t heatbits; | |
| 78 uint8_t idlebits; | |
| 79 | |
| 80 /* Check/stale times */ | |
| 81 int16_t check_interval; | |
| 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; |
| 41 | 86 } __attribute__((packed)) settings_t; |
| 87 | |
| 88 /* Current settings in RAM */ | |
| 89 static settings_t settings; | |
| 90 | |
| 91 /* Our map of EEPROM */ | |
| 92 struct { | |
| 93 settings_t settings; | |
| 94 uint16_t crc; | |
| 95 } ee_area __attribute__((section(".eeprom"))); | |
| 96 | |
| 97 /* Defaults that are shoved into EEPROM if it isn't inited */ | |
| 98 const PROGMEM settings_t default_settings = { | |
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99 .fermenter_ROM = { 0x10, 0x8b, 0x7a, 0x53, 0x01, 0x08, 0x00, 0xb4 }, |
| 41 | 100 .fridge_ROM = { 0x10, 0xa6, 0x2a, 0xc4, 0x00, 0x08, 0x00, 0x11 }, |
| 101 .ambient_ROM = { 0x10, 0x97, 0x1b, 0xfe, 0x00, 0x08, 0x00, 0xd1 }, | |
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102 .target_temp = 1800, |
| 41 | 103 .hysteresis = 100, |
| 104 .minheatovershoot = 50, | |
| 105 .mincoolovershoot = -50, | |
| 106 .mincoolontime = 300, | |
| 107 .mincoolofftime = 600, | |
| 108 .minheatontime = 60, | |
| 109 .minheatofftime = 60, | |
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Default to auto (EEPROM is fried so this is the only way..)
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110 .mode = TC_MODE_AUTO, |
| 46 | 111 .coolbits = _BV(6), |
| 112 .heatbits = _BV(7), | |
| 41 | 113 .idlebits = 0x00, |
| 114 .check_interval = 10, | |
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115 .stale_factor = 3, |
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116 .dobeep = 0 |
| 41 | 117 }; |
| 118 | |
| 119 /* Local variable declarations */ | |
| 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; |
| 41 | 123 |
| 124 /* Local function prototypes */ | |
| 125 static void tempctrl_load_or_init_settings(void); | |
| 126 static void tempctrl_default_settings(void); | |
| 127 static void tempctrl_write_settings(void); | |
| 128 static void setstate(char state); | |
| 129 static const PROGMEM char*state2long(char s); | |
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130 static void printtemp(char *name, int tmp, char *trailer); |
| 41 | 131 |
| 132 /* | |
| 133 * tempctrl_init | |
| 134 * | |
| 135 * Setup timer, should be called with interrupts disabled. | |
| 136 * | |
| 137 */ | |
| 138 void | |
| 139 tempctrl_init(void) { | |
| 140 /* Setup timer */ | |
| 141 /* 16Mhz / 1024 = 15625 Hz / 125 = 125 Hz = IRQ every 8 ms */ | |
| 142 | |
| 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); |
| 41 | 145 |
| 146 /* Compare with ... */ | |
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147 OCR2 = 125; |
| 41 | 148 |
| 149 /* Enable interrupt for match on A */ | |
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150 TIMSK = _BV(OCIE2); |
| 41 | 151 |
| 152 now.sec = 0; | |
| 153 now.usec = 0; | |
| 154 | |
| 155 tempctrl_load_or_init_settings(); | |
| 156 } | |
| 157 | |
| 158 /* | |
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159 * Timer 2 Compare IRQ |
| 41 | 160 * |
| 161 * Update time counter | |
| 162 */ | |
| 163 | |
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164 ISR(TIMER2_COMP_vect) { |
| 41 | 165 now.usec += 8000; /* 1000000 * 1 / F_CPU / 1024 / 125 */ |
| 166 while (now.usec > 1000000) { | |
| 167 now.usec -= 1000000; | |
| 168 now.sec++; | |
| 169 } | |
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170 |
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171 if (beeping) { |
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172 lasttoggle++; |
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173 // 63 * 8ms = ~0.5s |
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174 if (lasttoggle > 63) { |
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175 DDRB ^= _BV(PB3); |
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176 lasttoggle = 0; |
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177 } |
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178 } else { |
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179 DDRB &= ~_BV(PB3); |
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180 lasttoggle = 0; |
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181 } |
| 41 | 182 } |
| 183 | |
| 184 /* | |
| 185 * tempctrl_update | |
| 186 * | |
| 187 * Should be called in a normal context, could run things that take a long time. | |
| 188 * (ie 1wire bus stuff) | |
| 189 * | |
| 190 */ | |
| 191 void | |
| 192 tempctrl_update(void) { | |
| 193 /* State variables */ | |
| 194 static int32_t checktime = 0; // Time of next check | |
| 46 | 195 static int32_t lastdata = INT32_MIN; // Last time we got data |
| 41 | 196 |
| 197 static int16_t fermenter_temp = 0; // Fermenter temperature | |
| 198 static int16_t fridge_temp = 0; // Fridge temperature | |
| 199 static int16_t ambient_temp = 0; // Ambient temperature | |
| 46 | 200 static int32_t lastheaton = INT32_MIN; // Last time the heater was on |
| 201 static int32_t lastheatoff = INT32_MIN;// Last time the heater was off | |
| 202 static int32_t lastcoolon = INT32_MIN; // Last time the cooler was on | |
| 203 static int32_t lastcooloff = INT32_MIN;// Last time the cooler was off | |
| 41 | 204 static char currstate = 'i'; // Current state |
| 46 | 205 /* We init to times to INT32_MIN so that things function properly when |
| 206 * now < settings.minheat/cool/on/offtime */ | |
| 41 | 207 |
| 208 /* Temporary variables */ | |
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209 int32_t t, tempt; |
| 41 | 210 int16_t diff; |
| 211 char nextstate; | |
| 212 int forced; | |
| 213 int stale; | |
| 214 | |
| 215 t = gettod(); | |
| 216 /* Time to check temperatures? */ | |
| 217 if (t < checktime) | |
| 218 return; | |
| 219 | |
| 220 checktime = t + settings.check_interval; | |
| 221 | |
| 222 /* Don't do any logging, just force idle and leave */ | |
| 223 if (settings.mode == TC_MODE_NOTHING) { | |
| 224 nextstate = 'i'; | |
| 225 goto setstate; | |
| 226 } | |
| 227 | |
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228 /* Update our temperatures |
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229 * Can take a while (800ms each!) so reset the WDT |
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230 */ |
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231 wdt_reset(); |
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232 tempt = OWGetTemp(settings.fermenter_ROM); |
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233 wdt_reset(); |
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234 fridge_temp = OWGetTemp(settings.fridge_ROM); |
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235 wdt_reset(); |
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236 ambient_temp = OWGetTemp(settings.ambient_ROM); |
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237 wdt_reset(); |
| 41 | 238 |
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239 /* We only care about this one, only update the value we decide on |
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240 * only if it is valid |
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241 */ |
| 68 | 242 if (tempt > OW_TEMP_BADVAL) { |
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243 fermenter_temp = tempt; |
| 41 | 244 lastdata = t; |
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245 } |
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246 |
| 41 | 247 /* Check for stale data */ |
| 248 if (lastdata + (settings.check_interval * settings.stale_factor) < t) | |
| 249 stale = 1; | |
| 250 else | |
| 251 stale = 0; | |
| 252 | |
| 253 /* Default to remaining as we are */ | |
| 254 nextstate = '-'; | |
| 255 | |
| 256 /* Temperature diff, -ve => too cold, +ve => too warm */ | |
| 257 diff = fermenter_temp - settings.target_temp; | |
| 258 | |
| 259 switch (currstate) { | |
| 260 case 'i': | |
| 261 /* If we're idle then only heat or cool if the temperate difference is out of the | |
| 262 * hysteresis band | |
| 263 */ | |
| 264 if (abs(diff) > settings.hysteresis) { | |
| 265 if (diff < 0 && settings.minheatofftime + lastheatoff < t) | |
| 266 nextstate = 'h'; | |
| 267 else if (diff > 0 && settings.mincoolofftime + lastcooloff < t) | |
| 268 nextstate = 'c'; | |
| 269 } | |
| 270 break; | |
| 271 | |
| 272 case 'c': | |
| 273 /* Work out if we should go idle (based on min on time & overshoot) */ | |
| 274 if (diff + settings.mincoolovershoot < 0 && | |
| 275 settings.mincoolontime + lastcoolon < t) | |
| 276 nextstate = 'i'; | |
| 277 break; | |
| 278 | |
| 279 case 'h': | |
| 280 if (diff - settings.minheatovershoot > 0 && | |
| 281 settings.minheatontime + lastheaton < t) | |
| 282 nextstate = 'i'; | |
| 283 break; | |
| 284 | |
| 285 default: | |
| 286 printf_P(PSTR("\r\nUnknown state %c, going to idle\n"), currstate); | |
| 287 nextstate = 'i'; | |
| 288 break; | |
| 289 } | |
| 290 | |
| 291 /* Override if we have stale data */ | |
| 292 if (stale) | |
| 293 nextstate = 'i'; | |
| 294 | |
| 55 | 295 /* Handle beeping */ |
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296 if (settings.dobeep && stale) |
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297 beeping = 1; |
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298 else |
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299 beeping = 0; |
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300 |
| 41 | 301 /* Handle state forcing */ |
| 302 if (settings.mode != TC_MODE_AUTO) | |
| 303 forced = 1; | |
| 304 else | |
| 305 forced = 0; | |
| 306 | |
| 307 if (settings.mode == TC_MODE_IDLE) | |
| 308 nextstate = 'i'; | |
| 309 else if (settings.mode == TC_MODE_HEAT) | |
| 310 nextstate = 'h'; | |
| 311 else if (settings.mode == TC_MODE_COOL) | |
| 312 nextstate = 'c'; | |
| 313 | |
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314 // Keep track of when we last turned things on or off |
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315 switch (nextstate) { |
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316 case 'c': |
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317 if (currstate == 'h') |
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318 lastheatoff = t; |
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319 lastcoolon = t; |
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320 break; |
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321 |
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322 case 'h': |
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323 if (currstate == 'c') |
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324 lastcooloff = t; |
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325 lastheaton = t; |
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326 break; |
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327 |
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328 default: |
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329 if (currstate == 'c') |
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330 lastcooloff = t; |
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331 if (currstate == 'h') |
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332 lastheatoff = t; |
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333 } |
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334 |
| 41 | 335 if (nextstate != '-') |
| 336 currstate = nextstate; | |
| 337 | |
|
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338 #if 0 |
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339 printf_P(PSTR("Time: %10ld, "), t); |
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340 #else |
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341 ds1307_printtime(PSTR(""), PSTR(": ")); |
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342 #endif |
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343 printtemp(PSTR("Target"), settings.target_temp, PSTR(", ")); |
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344 printtemp(PSTR("Fermenter"), tempt, PSTR(", ")); // Use actual value from sensor |
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345 printtemp(PSTR("Fridge"), fridge_temp, PSTR(", ")); |
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346 printtemp(PSTR("Ambient"), ambient_temp, PSTR(", ")); |
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347 printf_P(PSTR("State: %S, Flags: %S%S\r\n"), state2long(currstate), |
| 41 | 348 forced ? PSTR("F") : PSTR(""), |
| 349 stale ? PSTR("S") : PSTR("")); | |
| 350 | |
| 351 setstate: | |
| 352 setstate(currstate); | |
| 353 } | |
| 354 | |
| 355 /* Return 'time of day' (really uptime) */ | |
| 356 int32_t | |
| 357 gettod(void) { | |
| 358 int32_t t; | |
| 359 | |
| 360 cli(); | |
| 361 t = now.sec; | |
| 362 sei(); | |
| 363 | |
| 364 return(t); | |
| 365 } | |
| 366 | |
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367 /* |
| 78 | 368 * Print out temperature (or short error code) with specified trailer |
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369 */ |
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370 static void |
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371 printtemp(char *name, int tmp, char *trailer) { |
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372 if (tmp > OW_TEMP_BADVAL) |
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373 printf_P(PSTR("%S: %d.%02d%S"), name, GETWHOLE(tmp), GETFRAC(tmp), trailer); |
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374 else |
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375 printf_P(PSTR("%S: %S%S"), name, OWTempStatusStr(tmp, 1), trailer); |
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376 } |
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377 |
| 41 | 378 /* Read the settings from EEPROM |
| 379 * If the CRC fails then reload from flash | |
| 380 */ | |
| 381 static void | |
| 382 tempctrl_load_or_init_settings(void) { | |
| 383 uint8_t *dptr; | |
| 384 uint16_t crc, strcrc; | |
| 385 int i; | |
| 386 | |
| 387 crc = 0; | |
| 388 eeprom_busy_wait(); | |
| 389 eeprom_read_block(&settings, &ee_area.settings, sizeof(settings_t)); | |
| 390 strcrc = eeprom_read_word(&ee_area.crc); | |
| 391 | |
| 392 dptr = (uint8_t *)&settings; | |
| 393 | |
| 394 for (i = 0; i < sizeof(settings_t); i++) | |
| 395 crc = _crc16_update(crc, dptr[i]); | |
| 396 | |
| 397 /* All OK? */ | |
| 398 if (crc == strcrc) | |
| 399 return; | |
| 400 | |
| 401 printf_P(PSTR("CRC mismatch got 0x%04x vs 0x%04x, setting defaults\r\n"), crc, strcrc); | |
| 402 tempctrl_default_settings(); | |
| 403 tempctrl_write_settings(); | |
| 404 } | |
| 405 | |
| 406 /* Load in the defaults from flash */ | |
| 407 static void | |
| 408 tempctrl_default_settings(void) { | |
| 409 memcpy_P(&settings, &default_settings, sizeof(settings_t)); | |
| 410 } | |
| 411 | |
| 412 /* Write the current settings out to EEPROM */ | |
| 413 static void | |
| 414 tempctrl_write_settings(void) { | |
| 415 uint16_t crc; | |
| 416 uint8_t *dptr; | |
| 417 int i; | |
| 418 | |
| 419 eeprom_busy_wait(); | |
| 420 eeprom_write_block(&settings, &ee_area.settings, sizeof(settings_t)); | |
| 421 | |
| 422 dptr = (uint8_t *)&settings; | |
| 423 crc = 0; | |
| 424 for (i = 0; i < sizeof(settings_t); i++) | |
| 425 crc = _crc16_update(crc, dptr[i]); | |
| 426 | |
| 427 eeprom_write_word(&ee_area.crc, crc); | |
| 428 } | |
| 429 | |
| 430 /* Set the relays to match the desired state */ | |
| 431 static void | |
| 432 setstate(char state) { | |
| 433 switch (state) { | |
| 434 case 'c': | |
| 435 PORTC = settings.coolbits; | |
| 436 break; | |
| 437 | |
| 438 case 'h': | |
| 439 PORTC = settings.heatbits; | |
| 440 break; | |
| 441 | |
| 442 default: | |
| 443 printf_P(PSTR("Unknown state %c, setting idle\r\n"), state); | |
| 444 /* fallthrough */ | |
| 445 | |
| 446 case 'i': | |
| 447 PORTC = settings.idlebits; | |
| 448 break; | |
| 449 } | |
| 450 } | |
| 451 | |
| 452 /* Handle user command | |
| 453 * | |
| 454 */ | |
| 455 void | |
| 456 tempctrl_cmd(char *buf) { | |
| 457 char cmd[6]; | |
| 458 int16_t data; | |
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459 uint8_t ROM[8]; |
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460 |
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461 if (sscanf_P(buf, PSTR("tc %5s"), cmd, &data) == 0) { |
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462 printf_P(PSTR("Unable to parse tc subcommand\r\n")); |
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463 return; |
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464 } |
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465 |
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466 if (!strcasecmp_P(cmd, PSTR("help"))) { |
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467 printf_P(PSTR( |
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468 "tc help This help\r\n" |
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469 "tc save Save settings to EEPROM\r\n" |
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470 "tc load Load or default settings from EEPROM\r\n" |
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471 "tc dflt Load defaults from flash\r\n" |
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472 "tc list List current settings\r\n" |
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473 "tc mode [achin] Change control mode, must be one of\r\n" |
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474 " a Auto\r\n" |
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475 " c Always cool\r\n" |
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476 " h Always heat\r\n" |
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477 " i Always idle\r\n" |
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478 " n Like idle but don't log anything\r\n" |
|
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479 "tc beep [01] Enable/disable beeping when data is stale\r\n" |
|
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480 "tc X Y Set X to Y where X is one of\r\n" |
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481 " targ Target temperature\r\n" |
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482 " hys Hysteresis range\r\n" |
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483 " mhov Minimum heat overshoot\r\n" |
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484 " mcov Minimum cool overshoot\r\n" |
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485 " mcon Minimum cool on time\r\n" |
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486 " mcoff Minimum cool off time\r\n" |
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487 " mhin Minimum heat on time\r\n" |
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488 " mhoff Minimum heat off time\r\n" |
| 65 | 489 "tc A B Set temperature sensor ID\r\n" |
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490 " Where A is ferm, frg or amb\r\n" |
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491 " and B is of the form xx:xx:xx:xx:xx:xx:xx:xx\r\n" |
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492 "\r\n" |
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493 " Times are in seconds\r\n" |
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494 " Temperatures are in hundredths of degrees Celcius\r\n" |
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495 )); |
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496 return; |
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497 } |
| 41 | 498 |
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499 if (!strcasecmp_P(cmd, PSTR("save"))) { |
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500 tempctrl_write_settings(); |
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501 return; |
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502 } |
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503 if (!strcasecmp_P(cmd, PSTR("load"))) { |
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504 tempctrl_load_or_init_settings(); |
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505 return; |
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506 } |
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507 if (!strcasecmp_P(cmd, PSTR("dflt"))) { |
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508 tempctrl_default_settings(); |
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509 return; |
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510 } |
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511 if (!strcasecmp_P(cmd, PSTR("list"))) { |
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512 printf_P(PSTR("Fermenter ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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513 "Fridge ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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514 "Ambient ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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515 "Mode - %c, Target - %d, Hystersis - %d\r\n" |
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516 "Min heat overshoot - %d, Min cool overshoot - %d\r\n" |
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517 "Min cool on time - %d, Min cool off time - %d\r\n" |
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518 "Min heat on time - %d, Min heat off time - %d\r\n" |
| 55 | 519 "Beep on stale - %S\r\n" |
| 520 ), | |
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521 settings.fermenter_ROM[0], settings.fermenter_ROM[1], settings.fermenter_ROM[2], settings.fermenter_ROM[3], |
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522 settings.fermenter_ROM[4], settings.fermenter_ROM[5], settings.fermenter_ROM[6], settings.fermenter_ROM[7], |
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523 settings.fridge_ROM[0], settings.fridge_ROM[1], settings.fridge_ROM[2], settings.fridge_ROM[3], |
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524 settings.fridge_ROM[4], settings.fridge_ROM[5], settings.fridge_ROM[6], settings.fridge_ROM[7], |
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525 settings.ambient_ROM[0], settings.ambient_ROM[1], settings.ambient_ROM[2], settings.ambient_ROM[3], |
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526 settings.ambient_ROM[4], settings.ambient_ROM[5], settings.ambient_ROM[6], settings.ambient_ROM[7], |
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527 settings.mode, settings.target_temp, settings.hysteresis, |
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528 settings.minheatovershoot, settings.mincoolovershoot, |
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529 settings.mincoolontime, settings.minheatontime, |
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530 settings.minheatontime, settings.minheatofftime, |
| 55 | 531 settings.dobeep ? PSTR("yes") : PSTR("no") |
| 532 ); | |
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533 return; |
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534 } |
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535 if (!strcasecmp_P(cmd, PSTR("mode"))) { |
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536 switch (buf[8]) { |
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537 case TC_MODE_AUTO: |
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538 case TC_MODE_HEAT: |
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539 case TC_MODE_COOL: |
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540 case TC_MODE_IDLE: |
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541 case TC_MODE_NOTHING: |
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542 settings.mode = buf[8]; |
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543 break; |
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544 |
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545 default: |
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546 printf_P(PSTR("Unknown mode character '%c'\r\n"), buf[8]); |
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547 break; |
| 41 | 548 } |
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549 return; |
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550 } |
|
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551 if (!strcasecmp_P(cmd, PSTR("beep"))) { |
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552 if (buf[8] == '1' || buf[8] == 'y') |
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553 settings.dobeep = 1; |
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554 else if (buf[8] == '0' || buf[8] == 'n') |
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555 settings.dobeep = 0; |
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556 else |
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557 printf_P(PSTR("Expected a y/1 or n/0\r\n")); |
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558 return; |
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559 } |
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560 if (!strcasecmp_P(cmd, PSTR("ferm")) || |
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561 !strcasecmp_P(cmd, PSTR("frg")) || |
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562 !strcasecmp_P(cmd, PSTR("amb"))) { |
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563 |
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564 if (sscanf_P(buf, PSTR("tc %5s %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"), cmd, |
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565 &ROM[0], &ROM[1], &ROM[2], &ROM[3], |
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566 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 9) { |
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567 printf_P(PSTR("Unable to parse ROM ID\r\n")); |
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568 } else { |
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569 if (!strcasecmp_P(cmd, PSTR("ferm"))) |
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570 memcpy(settings.fermenter_ROM, ROM, sizeof(ROM)); |
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571 if (!strcasecmp_P(cmd, PSTR("frg"))) |
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572 memcpy(settings.fridge_ROM, ROM, sizeof(ROM)); |
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573 if (!strcasecmp_P(cmd, PSTR("amb"))) |
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574 memcpy(settings.ambient_ROM, ROM, sizeof(ROM)); |
| 41 | 575 } |
| 70 | 576 return; |
| 41 | 577 } |
| 578 | |
| 70 | 579 /* Handle setting the multitude of variables |
| 580 * It's last to simplify things */ | |
|
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581 if (sscanf_P(buf, PSTR("tc %5s %d"), cmd, &data) != 2) { |
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582 printf_P(PSTR("Unable to parse tc subcommand & value\r\n")); |
| 41 | 583 return; |
| 584 } | |
| 585 | |
| 586 if (!strcasecmp_P(cmd, PSTR("targ"))) { | |
| 587 settings.target_temp = data; | |
| 588 } else if (!strcasecmp_P(cmd, PSTR("hys"))) { | |
| 589 settings.hysteresis = data; | |
| 590 } else if (!strcasecmp_P(cmd, PSTR("mhov"))) { | |
| 591 settings.minheatovershoot = data; | |
| 592 } else if (!strcasecmp_P(cmd, PSTR("mcov"))) { | |
| 593 settings.mincoolovershoot = data; | |
| 594 } else if (!strcasecmp_P(cmd, PSTR("mcon"))) { | |
| 595 settings.mincoolontime = data; | |
| 596 } else if (!strcasecmp_P(cmd, PSTR("mcoff"))) { | |
| 597 settings.mincoolofftime = data; | |
| 598 } else if (!strcasecmp_P(cmd, PSTR("mhon"))) { | |
| 599 settings.minheatontime = data; | |
| 600 } else if (!strcasecmp_P(cmd, PSTR("mhoff"))) { | |
| 601 settings.minheatofftime = data; | |
| 602 } else { | |
| 603 printf_P(PSTR("Unknown setting\r\n")); | |
| 604 } | |
| 605 } | |
| 606 | |
| 71 | 607 static const char* |
| 41 | 608 state2long(char s) { |
| 609 switch (s) { | |
| 610 case 'i': | |
| 611 return PSTR("idle"); | |
| 612 break; | |
| 613 | |
| 614 case 'c': | |
| 615 return PSTR("cool"); | |
| 616 break; | |
| 617 | |
| 618 case 'h': | |
| 619 return PSTR("heat"); | |
| 620 break; | |
| 621 | |
| 622 case '-': | |
| 623 return PSTR("-"); | |
| 624 break; | |
| 625 | |
| 626 default: | |
| 627 return PSTR("unknown"); | |
| 628 break; | |
| 629 } | |
| 630 } |