Mercurial > ~darius > hgwebdir.cgi > avr
annotate tempctrl.c @ 54:58f1ec46bff6
Add a beeper when the data is stale (only when USB is disabled as they share
a pin)
Move the time of day timer to OCR2 so we can use PB3/OC0 for PWM.
| author | darius@Inchoate |
|---|---|
| date | Wed, 29 Oct 2008 17:41:04 +1030 |
| parents | cb184206344d |
| children | 6b1057409d9a |
| rev | line source |
|---|---|
| 41 | 1 /* |
| 2 * Temperature control logic | |
| 3 * | |
| 4 * Copyright (c) 2008 | |
| 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" | |
| 42 | |
| 43 typedef struct { | |
| 44 int32_t sec; | |
| 45 int32_t usec; | |
| 46 } time_t; | |
| 47 | |
| 48 /* Holds all the settings needed */ | |
| 49 typedef struct { | |
| 50 uint8_t fermenter_ROM[8]; | |
| 51 uint8_t fridge_ROM[8]; | |
| 52 uint8_t ambient_ROM[8]; | |
| 53 int16_t target_temp; | |
| 54 uint16_t hysteresis; | |
| 55 /* How much to under/overshoot on heating/cooling */ | |
| 56 int16_t minheatovershoot; | |
| 57 int16_t mincoolovershoot; | |
| 58 | |
| 59 /* Minimum time the cooler can be on/off */ | |
| 60 int16_t mincoolontime; | |
| 61 int16_t mincoolofftime; | |
| 62 | |
| 63 /* Minimum time the heater can be on/off */ | |
| 64 int16_t minheatontime; | |
| 65 int16_t minheatofftime; | |
| 66 | |
| 67 #define TC_MODE_AUTO 'a' /* Automatic control */ | |
| 68 #define TC_MODE_HEAT 'h' /* Force heating */ | |
| 69 #define TC_MODE_COOL 'c' /* Force cooling */ | |
| 70 #define TC_MODE_IDLE 'i' /* Force idle */ | |
| 71 #define TC_MODE_NOTHING 'n' /* Do nothing (like idle but log nothing) */ | |
| 72 char mode; | |
| 73 | |
| 74 /* Bit patterns for various modes */ | |
| 75 uint8_t coolbits; | |
| 76 uint8_t heatbits; | |
| 77 uint8_t idlebits; | |
| 78 | |
| 79 /* Check/stale times */ | |
| 80 int16_t check_interval; | |
| 81 int16_t stale_factor; | |
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82 |
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83 /* Beep if stale */ |
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84 int8_t dobeep; |
| 41 | 85 } __attribute__((packed)) settings_t; |
| 86 | |
| 87 /* Current settings in RAM */ | |
| 88 static settings_t settings; | |
| 89 | |
| 90 /* Our map of EEPROM */ | |
| 91 struct { | |
| 92 settings_t settings; | |
| 93 uint16_t crc; | |
| 94 } ee_area __attribute__((section(".eeprom"))); | |
| 95 | |
| 96 /* Defaults that are shoved into EEPROM if it isn't inited */ | |
| 97 const PROGMEM settings_t default_settings = { | |
| 98 .fermenter_ROM = { 0x10, 0xeb, 0x48, 0x21, 0x01, 0x08, 0x00, 0xdf }, | |
| 99 .fridge_ROM = { 0x10, 0xa6, 0x2a, 0xc4, 0x00, 0x08, 0x00, 0x11 }, | |
| 100 .ambient_ROM = { 0x10, 0x97, 0x1b, 0xfe, 0x00, 0x08, 0x00, 0xd1 }, | |
| 101 .target_temp = 1400, | |
| 102 .hysteresis = 100, | |
| 103 .minheatovershoot = 50, | |
| 104 .mincoolovershoot = -50, | |
| 105 .mincoolontime = 300, | |
| 106 .mincoolofftime = 600, | |
| 107 .minheatontime = 60, | |
| 108 .minheatofftime = 60, | |
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109 .mode = TC_MODE_IDLE, |
| 46 | 110 .coolbits = _BV(6), |
| 111 .heatbits = _BV(7), | |
| 41 | 112 .idlebits = 0x00, |
| 113 .check_interval = 10, | |
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114 .stale_factor = 3, |
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115 .dobeep = 1 |
| 41 | 116 }; |
| 117 | |
| 118 /* Local variable declarations */ | |
| 119 volatile static time_t now; | |
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120 #ifndef WITHUSB |
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121 volatile static uint8_t beeping = 0; |
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122 volatile static uint8_t lasttoggle = 0; |
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123 #endif |
| 41 | 124 |
| 125 /* Local function prototypes */ | |
| 126 static void tempctrl_load_or_init_settings(void); | |
| 127 static void tempctrl_default_settings(void); | |
| 128 static void tempctrl_write_settings(void); | |
| 129 static void setstate(char state); | |
| 130 static const PROGMEM char*state2long(char s); | |
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131 static void printtemp(char *name, int tmp, char *trailer); |
| 41 | 132 |
| 133 /* | |
| 134 * tempctrl_init | |
| 135 * | |
| 136 * Setup timer, should be called with interrupts disabled. | |
| 137 * | |
| 138 */ | |
| 139 void | |
| 140 tempctrl_init(void) { | |
| 141 /* Setup timer */ | |
| 142 /* 16Mhz / 1024 = 15625 Hz / 125 = 125 Hz = IRQ every 8 ms */ | |
| 143 | |
| 144 /* CTC mode, no output on pin, Divide clock by 1024 */ | |
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145 TCCR2 = _BV(WGM21)| _BV(CS22) | _BV(CS21) | _BV(CS20); |
| 41 | 146 |
| 147 /* Compare with ... */ | |
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148 OCR2 = 125; |
| 41 | 149 |
| 150 /* Enable interrupt for match on A */ | |
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151 TIMSK = _BV(OCIE2); |
| 41 | 152 |
| 153 now.sec = 0; | |
| 154 now.usec = 0; | |
| 155 | |
| 156 tempctrl_load_or_init_settings(); | |
| 157 } | |
| 158 | |
| 159 /* | |
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160 * Timer 2 Compare IRQ |
| 41 | 161 * |
| 162 * Update time counter | |
| 163 */ | |
| 164 | |
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165 ISR(TIMER2_COMP_vect) { |
| 46 | 166 wdt_reset(); |
| 167 | |
| 41 | 168 now.usec += 8000; /* 1000000 * 1 / F_CPU / 1024 / 125 */ |
| 169 while (now.usec > 1000000) { | |
| 170 now.usec -= 1000000; | |
| 171 now.sec++; | |
| 172 } | |
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173 |
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174 #ifndef WITHUSB |
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175 if (beeping) { |
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176 lasttoggle++; |
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177 // 63 * 8ms = ~0.5s |
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178 if (lasttoggle > 63) { |
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179 DDRB ^= _BV(PB3); |
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180 lasttoggle = 0; |
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181 } |
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182 } else { |
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183 DDRB &= ~_BV(PB3); |
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184 lasttoggle = 0; |
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185 } |
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186 #endif |
| 41 | 187 } |
| 188 | |
| 189 /* | |
| 190 * tempctrl_update | |
| 191 * | |
| 192 * Should be called in a normal context, could run things that take a long time. | |
| 193 * (ie 1wire bus stuff) | |
| 194 * | |
| 195 */ | |
| 196 void | |
| 197 tempctrl_update(void) { | |
| 198 /* State variables */ | |
| 199 static int32_t checktime = 0; // Time of next check | |
| 46 | 200 static int32_t lastdata = INT32_MIN; // Last time we got data |
| 41 | 201 |
| 202 static int16_t fermenter_temp = 0; // Fermenter temperature | |
| 203 static int16_t fridge_temp = 0; // Fridge temperature | |
| 204 static int16_t ambient_temp = 0; // Ambient temperature | |
| 46 | 205 static int32_t lastheaton = INT32_MIN; // Last time the heater was on |
| 206 static int32_t lastheatoff = INT32_MIN;// Last time the heater was off | |
| 207 static int32_t lastcoolon = INT32_MIN; // Last time the cooler was on | |
| 208 static int32_t lastcooloff = INT32_MIN;// Last time the cooler was off | |
| 41 | 209 static char currstate = 'i'; // Current state |
| 46 | 210 /* We init to times to INT32_MIN so that things function properly when |
| 211 * now < settings.minheat/cool/on/offtime */ | |
| 41 | 212 |
| 213 /* Temporary variables */ | |
| 214 int32_t t; | |
| 215 int16_t diff; | |
| 216 char nextstate; | |
| 217 int forced; | |
| 218 int stale; | |
| 219 | |
| 220 t = gettod(); | |
| 221 /* Time to check temperatures? */ | |
| 222 if (t < checktime) | |
| 223 return; | |
| 224 | |
| 225 checktime = t + settings.check_interval; | |
| 226 | |
| 227 /* Don't do any logging, just force idle and leave */ | |
| 228 if (settings.mode == TC_MODE_NOTHING) { | |
| 229 nextstate = 'i'; | |
| 230 goto setstate; | |
| 231 } | |
| 232 | |
| 233 /* Update our temperatures */ | |
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234 fermenter_temp = OWGetTemp(settings.fermenter_ROM); |
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235 fridge_temp = OWGetTemp(settings.fridge_ROM); |
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236 ambient_temp = OWGetTemp(settings.ambient_ROM); |
| 41 | 237 |
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238 if (fermenter_temp > OW_TEMP_BADVAL) |
| 41 | 239 lastdata = t; |
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240 |
| 41 | 241 /* Check for stale data */ |
| 242 if (lastdata + (settings.check_interval * settings.stale_factor) < t) | |
| 243 stale = 1; | |
| 244 else | |
| 245 stale = 0; | |
| 246 | |
| 247 /* Default to remaining as we are */ | |
| 248 nextstate = '-'; | |
| 249 | |
| 250 /* Temperature diff, -ve => too cold, +ve => too warm */ | |
| 251 diff = fermenter_temp - settings.target_temp; | |
| 252 | |
| 253 switch (currstate) { | |
| 254 case 'i': | |
| 255 /* If we're idle then only heat or cool if the temperate difference is out of the | |
| 256 * hysteresis band | |
| 257 */ | |
| 258 if (abs(diff) > settings.hysteresis) { | |
| 259 if (diff < 0 && settings.minheatofftime + lastheatoff < t) | |
| 260 nextstate = 'h'; | |
| 261 else if (diff > 0 && settings.mincoolofftime + lastcooloff < t) | |
| 262 nextstate = 'c'; | |
| 263 } | |
| 264 break; | |
| 265 | |
| 266 case 'c': | |
| 267 /* Work out if we should go idle (based on min on time & overshoot) */ | |
| 268 if (diff + settings.mincoolovershoot < 0 && | |
| 269 settings.mincoolontime + lastcoolon < t) | |
| 270 nextstate = 'i'; | |
| 271 break; | |
| 272 | |
| 273 case 'h': | |
| 274 if (diff - settings.minheatovershoot > 0 && | |
| 275 settings.minheatontime + lastheaton < t) | |
| 276 nextstate = 'i'; | |
| 277 break; | |
| 278 | |
| 279 default: | |
| 280 printf_P(PSTR("\r\nUnknown state %c, going to idle\n"), currstate); | |
| 281 nextstate = 'i'; | |
| 282 break; | |
| 283 } | |
| 284 | |
| 285 /* Override if we have stale data */ | |
| 286 if (stale) | |
| 287 nextstate = 'i'; | |
| 288 | |
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289 /* Handle beeping */ |
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290 if (settings.dobeep && stale) |
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291 beeping = 1; |
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292 else |
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293 beeping = 0; |
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294 |
| 41 | 295 /* Handle state forcing */ |
| 296 if (settings.mode != TC_MODE_AUTO) | |
| 297 forced = 1; | |
| 298 else | |
| 299 forced = 0; | |
| 300 | |
| 301 if (settings.mode == TC_MODE_IDLE) | |
| 302 nextstate = 'i'; | |
| 303 else if (settings.mode == TC_MODE_HEAT) | |
| 304 nextstate = 'h'; | |
| 305 else if (settings.mode == TC_MODE_COOL) | |
| 306 nextstate = 'c'; | |
| 307 | |
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308 // Keep track of when we last turned things on or off |
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309 switch (nextstate) { |
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310 case 'c': |
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311 if (currstate == 'h') |
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312 lastheatoff = t; |
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313 lastcoolon = t; |
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314 break; |
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315 |
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316 case 'h': |
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317 if (currstate == 'c') |
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318 lastcooloff = t; |
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319 lastheaton = t; |
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320 break; |
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321 |
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322 default: |
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323 if (currstate == 'c') |
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324 lastcooloff = t; |
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325 if (currstate == 'h') |
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326 lastheatoff = t; |
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327 } |
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328 |
| 41 | 329 if (nextstate != '-') |
| 330 currstate = nextstate; | |
| 331 | |
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332 printf_P(PSTR("Time: %10ld, "), t); |
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333 printtemp(PSTR("Target"), settings.target_temp, PSTR(", ")); |
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334 printtemp(PSTR("Fermenter"), fermenter_temp, PSTR(", ")); |
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335 printtemp(PSTR("Fridge"), fridge_temp, PSTR(", ")); |
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336 printtemp(PSTR("Ambient"), ambient_temp, PSTR(", ")); |
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337 printf_P(PSTR("State: %S, Flags: %S%S\r\n"), state2long(currstate), |
| 41 | 338 forced ? PSTR("F") : PSTR(""), |
| 339 stale ? PSTR("S") : PSTR("")); | |
| 340 | |
| 341 setstate: | |
| 342 setstate(currstate); | |
| 343 } | |
| 344 | |
| 345 /* Return 'time of day' (really uptime) */ | |
| 346 int32_t | |
| 347 gettod(void) { | |
| 348 int32_t t; | |
| 349 | |
| 350 cli(); | |
| 351 t = now.sec; | |
| 352 sei(); | |
| 353 | |
| 354 return(t); | |
| 355 } | |
| 356 | |
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357 /* |
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358 * Print out temperature (or NA + error code) with specified trailer |
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359 */ |
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360 static void |
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361 printtemp(char *name, int tmp, char *trailer) { |
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362 if (tmp > OW_TEMP_BADVAL) |
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363 printf_P(PSTR("%S: %d.%02d%S"), name, GETWHOLE(tmp), GETFRAC(tmp), trailer); |
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364 else |
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365 printf_P(PSTR("%S: NA (%d)%S"), name, tmp, trailer); |
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366 } |
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367 |
| 41 | 368 /* Read the settings from EEPROM |
| 369 * If the CRC fails then reload from flash | |
| 370 */ | |
| 371 static void | |
| 372 tempctrl_load_or_init_settings(void) { | |
| 373 uint8_t *dptr; | |
| 374 uint16_t crc, strcrc; | |
| 375 int i; | |
| 376 | |
| 377 crc = 0; | |
| 378 eeprom_busy_wait(); | |
| 379 eeprom_read_block(&settings, &ee_area.settings, sizeof(settings_t)); | |
| 380 strcrc = eeprom_read_word(&ee_area.crc); | |
| 381 | |
| 382 dptr = (uint8_t *)&settings; | |
| 383 | |
| 384 for (i = 0; i < sizeof(settings_t); i++) | |
| 385 crc = _crc16_update(crc, dptr[i]); | |
| 386 | |
| 387 /* All OK? */ | |
| 388 if (crc == strcrc) | |
| 389 return; | |
| 390 | |
| 391 printf_P(PSTR("CRC mismatch got 0x%04x vs 0x%04x, setting defaults\r\n"), crc, strcrc); | |
| 392 tempctrl_default_settings(); | |
| 393 tempctrl_write_settings(); | |
| 394 } | |
| 395 | |
| 396 /* Load in the defaults from flash */ | |
| 397 static void | |
| 398 tempctrl_default_settings(void) { | |
| 399 memcpy_P(&settings, &default_settings, sizeof(settings_t)); | |
| 400 } | |
| 401 | |
| 402 /* Write the current settings out to EEPROM */ | |
| 403 static void | |
| 404 tempctrl_write_settings(void) { | |
| 405 uint16_t crc; | |
| 406 uint8_t *dptr; | |
| 407 int i; | |
| 408 | |
| 409 eeprom_busy_wait(); | |
| 410 eeprom_write_block(&settings, &ee_area.settings, sizeof(settings_t)); | |
| 411 | |
| 412 dptr = (uint8_t *)&settings; | |
| 413 crc = 0; | |
| 414 for (i = 0; i < sizeof(settings_t); i++) | |
| 415 crc = _crc16_update(crc, dptr[i]); | |
| 416 | |
| 417 eeprom_write_word(&ee_area.crc, crc); | |
| 418 } | |
| 419 | |
| 420 /* Set the relays to match the desired state */ | |
| 421 static void | |
| 422 setstate(char state) { | |
| 423 switch (state) { | |
| 424 case 'c': | |
| 425 PORTC = settings.coolbits; | |
| 426 break; | |
| 427 | |
| 428 case 'h': | |
| 429 PORTC = settings.heatbits; | |
| 430 break; | |
| 431 | |
| 432 default: | |
| 433 printf_P(PSTR("Unknown state %c, setting idle\r\n"), state); | |
| 434 /* fallthrough */ | |
| 435 | |
| 436 case 'i': | |
| 437 PORTC = settings.idlebits; | |
| 438 break; | |
| 439 } | |
| 440 } | |
| 441 | |
| 442 /* Handle user command | |
| 443 * | |
| 444 */ | |
| 445 void | |
| 446 tempctrl_cmd(char *buf) { | |
| 447 char cmd[6]; | |
| 448 int16_t data; | |
|
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449 uint8_t ROM[8]; |
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450 |
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451 if (sscanf_P(buf, PSTR("tc %5s"), cmd, &data) == 0) { |
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452 printf_P(PSTR("Unable to parse tc subcommand\r\n")); |
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453 return; |
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454 } |
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455 |
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456 if (!strcasecmp_P(cmd, PSTR("help"))) { |
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457 printf_P(PSTR( |
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458 "tc help This help\r\n" |
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459 "tc save Save settings to EEPROM\r\n" |
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460 "tc load Load or default settings from EEPROM\r\n" |
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461 "tc dflt Load defaults from flash\r\n" |
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462 "tc list List current settings\r\n" |
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463 "tc mode [achin] Change control mode, must be one of\r\n" |
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464 " a Auto\r\n" |
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465 " c Always cool\r\n" |
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466 " h Always heat\r\n" |
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467 " i Always idle\r\n" |
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468 " n Like idle but don't log anything\r\n" |
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469 #ifndef WITHUSB |
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470 "tc beep [01] Enable/disable beeping when data is stale\r\n" |
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471 #endif |
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472 "tc X Y Set X to Y where X is one of\r\n" |
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473 " targ Target temperature\r\n" |
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474 " hys Hysteresis range\r\n" |
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475 " mhov Minimum heat overshoot\r\n" |
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476 " mcov Minimum cool overshoot\r\n" |
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477 " mcon Minimum cool on time\r\n" |
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478 " mcoff Minimum cool off time\r\n" |
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479 " mhin Minimum heat on time\r\n" |
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480 " mhoff Minimum heat off time\r\n" |
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481 "tc A B Set temperature sensor ID\r\n" |
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482 " Where A is ferm, frg or amb\r\n" |
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483 " and B is of the form xx:xx:xx:xx:xx:xx:xx:xx\r\n" |
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484 "\r\n" |
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485 " Times are in seconds\r\n" |
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486 " Temperatures are in hundredths of degrees Celcius\r\n" |
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487 )); |
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488 return; |
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489 } |
| 41 | 490 |
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491 if (!strcasecmp_P(cmd, PSTR("save"))) { |
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492 tempctrl_write_settings(); |
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493 return; |
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494 } |
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495 if (!strcasecmp_P(cmd, PSTR("load"))) { |
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496 tempctrl_load_or_init_settings(); |
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497 return; |
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498 } |
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499 if (!strcasecmp_P(cmd, PSTR("dflt"))) { |
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500 tempctrl_default_settings(); |
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501 return; |
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502 } |
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503 if (!strcasecmp_P(cmd, PSTR("list"))) { |
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504 printf_P(PSTR("Fermenter ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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505 "Fridge ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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506 "Ambient ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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507 "Mode - %c, Target - %d, Hystersis - %d\r\n" |
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508 "Min heat overshoot - %d, Min cool overshoot - %d\r\n" |
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509 "Min cool on time - %d, Min cool off time - %d\r\n" |
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510 "Min heat on time - %d, Min heat off time - %d\r\n" |
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511 "Beep on stale - %S\r\n"), |
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512 settings.fermenter_ROM[0], settings.fermenter_ROM[1], settings.fermenter_ROM[2], settings.fermenter_ROM[3], |
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513 settings.fermenter_ROM[4], settings.fermenter_ROM[5], settings.fermenter_ROM[6], settings.fermenter_ROM[7], |
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514 settings.fridge_ROM[0], settings.fridge_ROM[1], settings.fridge_ROM[2], settings.fridge_ROM[3], |
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515 settings.fridge_ROM[4], settings.fridge_ROM[5], settings.fridge_ROM[6], settings.fridge_ROM[7], |
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516 settings.ambient_ROM[0], settings.ambient_ROM[1], settings.ambient_ROM[2], settings.ambient_ROM[3], |
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517 settings.ambient_ROM[4], settings.ambient_ROM[5], settings.ambient_ROM[6], settings.ambient_ROM[7], |
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518 settings.mode, settings.target_temp, settings.hysteresis, |
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519 settings.minheatovershoot, settings.mincoolovershoot, |
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520 settings.mincoolontime, settings.minheatontime, |
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521 settings.minheatontime, settings.minheatofftime, |
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522 settings.dobeep ? PSTR("yes") : PSTR("no")); |
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523 return; |
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524 } |
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525 if (!strcasecmp_P(cmd, PSTR("mode"))) { |
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526 switch (buf[8]) { |
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527 case TC_MODE_AUTO: |
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528 case TC_MODE_HEAT: |
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529 case TC_MODE_COOL: |
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530 case TC_MODE_IDLE: |
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531 case TC_MODE_NOTHING: |
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532 settings.mode = buf[8]; |
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533 break; |
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534 |
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535 default: |
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536 printf_P(PSTR("Unknown mode character '%c'\r\n"), buf[8]); |
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537 break; |
| 41 | 538 } |
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539 return; |
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540 } |
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54
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541 if (!strcasecmp_P(cmd, PSTR("beep"))) { |
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542 if (buf[8] == '1') |
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543 settings.dobeep = 1; |
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544 else if (buf[8] == '0') |
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545 settings.dobeep = 0; |
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546 else |
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547 printf_P(PSTR("Expected a 0 or 1\r\n")); |
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548 return; |
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549 } |
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550 if (!strcasecmp_P(cmd, PSTR("ferm")) || |
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551 !strcasecmp_P(cmd, PSTR("frg")) || |
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552 !strcasecmp_P(cmd, PSTR("amb"))) { |
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553 |
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554 if (sscanf_P((char *)cmd, PSTR("tc %5s %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"), cmd, |
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555 &ROM[0], &ROM[1], &ROM[2], &ROM[3], |
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556 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 9) { |
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557 printf_P(PSTR("Unable to parse ROM ID\r\n")); |
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558 } else { |
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559 if (!strcasecmp_P(cmd, PSTR("ferm"))) |
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560 memcpy(settings.fermenter_ROM, ROM, sizeof(ROM)); |
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561 if (!strcasecmp_P(cmd, PSTR("frg"))) |
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562 memcpy(settings.fridge_ROM, ROM, sizeof(ROM)); |
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563 if (!strcasecmp_P(cmd, PSTR("amb"))) |
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564 memcpy(settings.ambient_ROM, ROM, sizeof(ROM)); |
| 41 | 565 } |
| 566 } | |
| 567 | |
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568 if (sscanf_P(buf, PSTR("tc %5s %d"), cmd, &data) != 2) { |
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569 printf_P(PSTR("Unable to parse tc subcommand & value\r\n")); |
| 41 | 570 return; |
| 571 } | |
| 572 | |
| 573 if (!strcasecmp_P(cmd, PSTR("targ"))) { | |
| 574 settings.target_temp = data; | |
| 575 } else if (!strcasecmp_P(cmd, PSTR("hys"))) { | |
| 576 settings.hysteresis = data; | |
| 577 } else if (!strcasecmp_P(cmd, PSTR("mhov"))) { | |
| 578 settings.minheatovershoot = data; | |
| 579 } else if (!strcasecmp_P(cmd, PSTR("mcov"))) { | |
| 580 settings.mincoolovershoot = data; | |
| 581 } else if (!strcasecmp_P(cmd, PSTR("mcon"))) { | |
| 582 settings.mincoolontime = data; | |
| 583 } else if (!strcasecmp_P(cmd, PSTR("mcoff"))) { | |
| 584 settings.mincoolofftime = data; | |
| 585 } else if (!strcasecmp_P(cmd, PSTR("mhon"))) { | |
| 586 settings.minheatontime = data; | |
| 587 } else if (!strcasecmp_P(cmd, PSTR("mhoff"))) { | |
| 588 settings.minheatofftime = data; | |
| 589 } else { | |
| 590 printf_P(PSTR("Unknown setting\r\n")); | |
| 591 return; | |
| 592 } | |
| 593 } | |
| 594 | |
| 595 static const PROGMEM char* | |
| 596 state2long(char s) { | |
| 597 switch (s) { | |
| 598 case 'i': | |
| 599 return PSTR("idle"); | |
| 600 break; | |
| 601 | |
| 602 case 'c': | |
| 603 return PSTR("cool"); | |
| 604 break; | |
| 605 | |
| 606 case 'h': | |
| 607 return PSTR("heat"); | |
| 608 break; | |
| 609 | |
| 610 case '-': | |
| 611 return PSTR("-"); | |
| 612 break; | |
| 613 | |
| 614 default: | |
| 615 return PSTR("unknown"); | |
| 616 break; | |
| 617 } | |
| 618 } | |
| 619 |