Mercurial > ~darius > hgwebdir.cgi > avr
annotate tempctrl.c @ 61:0910ab6f0095
Add attribution for IIC routines.
| author | darius@Inchoate |
|---|---|
| date | Thu, 30 Oct 2008 20:05:36 +1030 |
| parents | 50fca9562310 |
| children | e955aa7047ed |
| 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" | |
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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 |
| 55 | 84 #ifndef WITHUSB |
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85 /* Beep if stale */ |
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86 int8_t dobeep; |
| 55 | 87 #endif |
| 41 | 88 } __attribute__((packed)) settings_t; |
| 89 | |
| 90 /* Current settings in RAM */ | |
| 91 static settings_t settings; | |
| 92 | |
| 93 /* Our map of EEPROM */ | |
| 94 struct { | |
| 95 settings_t settings; | |
| 96 uint16_t crc; | |
| 97 } ee_area __attribute__((section(".eeprom"))); | |
| 98 | |
| 99 /* Defaults that are shoved into EEPROM if it isn't inited */ | |
| 100 const PROGMEM settings_t default_settings = { | |
| 101 .fermenter_ROM = { 0x10, 0xeb, 0x48, 0x21, 0x01, 0x08, 0x00, 0xdf }, | |
| 102 .fridge_ROM = { 0x10, 0xa6, 0x2a, 0xc4, 0x00, 0x08, 0x00, 0x11 }, | |
| 103 .ambient_ROM = { 0x10, 0x97, 0x1b, 0xfe, 0x00, 0x08, 0x00, 0xd1 }, | |
| 104 .target_temp = 1400, | |
| 105 .hysteresis = 100, | |
| 106 .minheatovershoot = 50, | |
| 107 .mincoolovershoot = -50, | |
| 108 .mincoolontime = 300, | |
| 109 .mincoolofftime = 600, | |
| 110 .minheatontime = 60, | |
| 111 .minheatofftime = 60, | |
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112 .mode = TC_MODE_IDLE, |
| 46 | 113 .coolbits = _BV(6), |
| 114 .heatbits = _BV(7), | |
| 41 | 115 .idlebits = 0x00, |
| 116 .check_interval = 10, | |
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117 .stale_factor = 3, |
| 55 | 118 #ifndef WITHUSB |
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119 .dobeep = 0 |
| 55 | 120 #endif |
| 41 | 121 }; |
| 122 | |
| 123 /* Local variable declarations */ | |
| 124 volatile static time_t now; | |
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125 #ifndef WITHUSB |
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126 volatile static uint8_t beeping = 0; |
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127 volatile static uint8_t lasttoggle = 0; |
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128 #endif |
| 41 | 129 |
| 130 /* Local function prototypes */ | |
| 131 static void tempctrl_load_or_init_settings(void); | |
| 132 static void tempctrl_default_settings(void); | |
| 133 static void tempctrl_write_settings(void); | |
| 134 static void setstate(char state); | |
| 135 static const PROGMEM char*state2long(char s); | |
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136 static void printtemp(char *name, int tmp, char *trailer); |
| 41 | 137 |
| 138 /* | |
| 139 * tempctrl_init | |
| 140 * | |
| 141 * Setup timer, should be called with interrupts disabled. | |
| 142 * | |
| 143 */ | |
| 144 void | |
| 145 tempctrl_init(void) { | |
| 146 /* Setup timer */ | |
| 147 /* 16Mhz / 1024 = 15625 Hz / 125 = 125 Hz = IRQ every 8 ms */ | |
| 148 | |
| 149 /* CTC mode, no output on pin, Divide clock by 1024 */ | |
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150 TCCR2 = _BV(WGM21)| _BV(CS22) | _BV(CS21) | _BV(CS20); |
| 41 | 151 |
| 152 /* Compare with ... */ | |
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153 OCR2 = 125; |
| 41 | 154 |
| 155 /* Enable interrupt for match on A */ | |
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156 TIMSK = _BV(OCIE2); |
| 41 | 157 |
| 158 now.sec = 0; | |
| 159 now.usec = 0; | |
| 160 | |
| 161 tempctrl_load_or_init_settings(); | |
| 162 } | |
| 163 | |
| 164 /* | |
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165 * Timer 2 Compare IRQ |
| 41 | 166 * |
| 167 * Update time counter | |
| 168 */ | |
| 169 | |
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170 ISR(TIMER2_COMP_vect) { |
| 46 | 171 wdt_reset(); |
| 172 | |
| 41 | 173 now.usec += 8000; /* 1000000 * 1 / F_CPU / 1024 / 125 */ |
| 174 while (now.usec > 1000000) { | |
| 175 now.usec -= 1000000; | |
| 176 now.sec++; | |
| 177 } | |
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178 |
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179 #ifndef WITHUSB |
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180 if (beeping) { |
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181 lasttoggle++; |
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182 // 63 * 8ms = ~0.5s |
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183 if (lasttoggle > 63) { |
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184 DDRB ^= _BV(PB3); |
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185 lasttoggle = 0; |
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186 } |
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187 } else { |
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188 DDRB &= ~_BV(PB3); |
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189 lasttoggle = 0; |
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190 } |
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191 #endif |
| 41 | 192 } |
| 193 | |
| 194 /* | |
| 195 * tempctrl_update | |
| 196 * | |
| 197 * Should be called in a normal context, could run things that take a long time. | |
| 198 * (ie 1wire bus stuff) | |
| 199 * | |
| 200 */ | |
| 201 void | |
| 202 tempctrl_update(void) { | |
| 203 /* State variables */ | |
| 204 static int32_t checktime = 0; // Time of next check | |
| 46 | 205 static int32_t lastdata = INT32_MIN; // Last time we got data |
| 41 | 206 |
| 207 static int16_t fermenter_temp = 0; // Fermenter temperature | |
| 208 static int16_t fridge_temp = 0; // Fridge temperature | |
| 209 static int16_t ambient_temp = 0; // Ambient temperature | |
| 46 | 210 static int32_t lastheaton = INT32_MIN; // Last time the heater was on |
| 211 static int32_t lastheatoff = INT32_MIN;// Last time the heater was off | |
| 212 static int32_t lastcoolon = INT32_MIN; // Last time the cooler was on | |
| 213 static int32_t lastcooloff = INT32_MIN;// Last time the cooler was off | |
| 41 | 214 static char currstate = 'i'; // Current state |
| 46 | 215 /* We init to times to INT32_MIN so that things function properly when |
| 216 * now < settings.minheat/cool/on/offtime */ | |
| 41 | 217 |
| 218 /* Temporary variables */ | |
| 219 int32_t t; | |
| 220 int16_t diff; | |
| 221 char nextstate; | |
| 222 int forced; | |
| 223 int stale; | |
| 224 | |
| 225 t = gettod(); | |
| 226 /* Time to check temperatures? */ | |
| 227 if (t < checktime) | |
| 228 return; | |
| 229 | |
| 230 checktime = t + settings.check_interval; | |
| 231 | |
| 232 /* Don't do any logging, just force idle and leave */ | |
| 233 if (settings.mode == TC_MODE_NOTHING) { | |
| 234 nextstate = 'i'; | |
| 235 goto setstate; | |
| 236 } | |
| 237 | |
| 238 /* Update our temperatures */ | |
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239 fermenter_temp = OWGetTemp(settings.fermenter_ROM); |
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240 fridge_temp = OWGetTemp(settings.fridge_ROM); |
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241 ambient_temp = OWGetTemp(settings.ambient_ROM); |
| 41 | 242 |
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243 if (fermenter_temp > OW_TEMP_BADVAL) |
| 41 | 244 lastdata = t; |
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245 |
| 41 | 246 /* Check for stale data */ |
| 247 if (lastdata + (settings.check_interval * settings.stale_factor) < t) | |
| 248 stale = 1; | |
| 249 else | |
| 250 stale = 0; | |
| 251 | |
| 252 /* Default to remaining as we are */ | |
| 253 nextstate = '-'; | |
| 254 | |
| 255 /* Temperature diff, -ve => too cold, +ve => too warm */ | |
| 256 diff = fermenter_temp - settings.target_temp; | |
| 257 | |
| 258 switch (currstate) { | |
| 259 case 'i': | |
| 260 /* If we're idle then only heat or cool if the temperate difference is out of the | |
| 261 * hysteresis band | |
| 262 */ | |
| 263 if (abs(diff) > settings.hysteresis) { | |
| 264 if (diff < 0 && settings.minheatofftime + lastheatoff < t) | |
| 265 nextstate = 'h'; | |
| 266 else if (diff > 0 && settings.mincoolofftime + lastcooloff < t) | |
| 267 nextstate = 'c'; | |
| 268 } | |
| 269 break; | |
| 270 | |
| 271 case 'c': | |
| 272 /* Work out if we should go idle (based on min on time & overshoot) */ | |
| 273 if (diff + settings.mincoolovershoot < 0 && | |
| 274 settings.mincoolontime + lastcoolon < t) | |
| 275 nextstate = 'i'; | |
| 276 break; | |
| 277 | |
| 278 case 'h': | |
| 279 if (diff - settings.minheatovershoot > 0 && | |
| 280 settings.minheatontime + lastheaton < t) | |
| 281 nextstate = 'i'; | |
| 282 break; | |
| 283 | |
| 284 default: | |
| 285 printf_P(PSTR("\r\nUnknown state %c, going to idle\n"), currstate); | |
| 286 nextstate = 'i'; | |
| 287 break; | |
| 288 } | |
| 289 | |
| 290 /* Override if we have stale data */ | |
| 291 if (stale) | |
| 292 nextstate = 'i'; | |
| 293 | |
| 55 | 294 #ifndef WITHUSB |
| 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; |
| 55 | 300 #endif |
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301 |
| 41 | 302 /* Handle state forcing */ |
| 303 if (settings.mode != TC_MODE_AUTO) | |
| 304 forced = 1; | |
| 305 else | |
| 306 forced = 0; | |
| 307 | |
| 308 if (settings.mode == TC_MODE_IDLE) | |
| 309 nextstate = 'i'; | |
| 310 else if (settings.mode == TC_MODE_HEAT) | |
| 311 nextstate = 'h'; | |
| 312 else if (settings.mode == TC_MODE_COOL) | |
| 313 nextstate = 'c'; | |
| 314 | |
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315 // Keep track of when we last turned things on or off |
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316 switch (nextstate) { |
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317 case 'c': |
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318 if (currstate == 'h') |
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319 lastheatoff = t; |
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320 lastcoolon = t; |
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321 break; |
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322 |
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323 case 'h': |
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324 if (currstate == 'c') |
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325 lastcooloff = t; |
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326 lastheaton = t; |
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327 break; |
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328 |
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329 default: |
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330 if (currstate == 'c') |
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331 lastcooloff = t; |
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332 if (currstate == 'h') |
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333 lastheatoff = t; |
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334 } |
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335 |
| 41 | 336 if (nextstate != '-') |
| 337 currstate = nextstate; | |
| 338 | |
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339 #if 0 |
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340 printf_P(PSTR("Time: %10ld, "), t); |
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341 #else |
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342 ds1307_printtime(PSTR(""), PSTR(": ")); |
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343 #endif |
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344 printtemp(PSTR("Target"), settings.target_temp, PSTR(", ")); |
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345 printtemp(PSTR("Fermenter"), fermenter_temp, PSTR(", ")); |
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346 printtemp(PSTR("Fridge"), fridge_temp, PSTR(", ")); |
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347 printtemp(PSTR("Ambient"), ambient_temp, PSTR(", ")); |
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348 printf_P(PSTR("State: %S, Flags: %S%S\r\n"), state2long(currstate), |
| 41 | 349 forced ? PSTR("F") : PSTR(""), |
| 350 stale ? PSTR("S") : PSTR("")); | |
| 351 | |
| 352 setstate: | |
| 353 setstate(currstate); | |
| 354 } | |
| 355 | |
| 356 /* Return 'time of day' (really uptime) */ | |
| 357 int32_t | |
| 358 gettod(void) { | |
| 359 int32_t t; | |
| 360 | |
| 361 cli(); | |
| 362 t = now.sec; | |
| 363 sei(); | |
| 364 | |
| 365 return(t); | |
| 366 } | |
| 367 | |
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368 /* |
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369 * Print out temperature (or NA + error code) with specified trailer |
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370 */ |
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371 static void |
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372 printtemp(char *name, int tmp, char *trailer) { |
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373 if (tmp > OW_TEMP_BADVAL) |
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374 printf_P(PSTR("%S: %d.%02d%S"), name, GETWHOLE(tmp), GETFRAC(tmp), trailer); |
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375 else |
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376 printf_P(PSTR("%S: NA (%d)%S"), name, tmp, trailer); |
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377 } |
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378 |
| 41 | 379 /* Read the settings from EEPROM |
| 380 * If the CRC fails then reload from flash | |
| 381 */ | |
| 382 static void | |
| 383 tempctrl_load_or_init_settings(void) { | |
| 384 uint8_t *dptr; | |
| 385 uint16_t crc, strcrc; | |
| 386 int i; | |
| 387 | |
| 388 crc = 0; | |
| 389 eeprom_busy_wait(); | |
| 390 eeprom_read_block(&settings, &ee_area.settings, sizeof(settings_t)); | |
| 391 strcrc = eeprom_read_word(&ee_area.crc); | |
| 392 | |
| 393 dptr = (uint8_t *)&settings; | |
| 394 | |
| 395 for (i = 0; i < sizeof(settings_t); i++) | |
| 396 crc = _crc16_update(crc, dptr[i]); | |
| 397 | |
| 398 /* All OK? */ | |
| 399 if (crc == strcrc) | |
| 400 return; | |
| 401 | |
| 402 printf_P(PSTR("CRC mismatch got 0x%04x vs 0x%04x, setting defaults\r\n"), crc, strcrc); | |
| 403 tempctrl_default_settings(); | |
| 404 tempctrl_write_settings(); | |
| 405 } | |
| 406 | |
| 407 /* Load in the defaults from flash */ | |
| 408 static void | |
| 409 tempctrl_default_settings(void) { | |
| 410 memcpy_P(&settings, &default_settings, sizeof(settings_t)); | |
| 411 } | |
| 412 | |
| 413 /* Write the current settings out to EEPROM */ | |
| 414 static void | |
| 415 tempctrl_write_settings(void) { | |
| 416 uint16_t crc; | |
| 417 uint8_t *dptr; | |
| 418 int i; | |
| 419 | |
| 420 eeprom_busy_wait(); | |
| 421 eeprom_write_block(&settings, &ee_area.settings, sizeof(settings_t)); | |
| 422 | |
| 423 dptr = (uint8_t *)&settings; | |
| 424 crc = 0; | |
| 425 for (i = 0; i < sizeof(settings_t); i++) | |
| 426 crc = _crc16_update(crc, dptr[i]); | |
| 427 | |
| 428 eeprom_write_word(&ee_area.crc, crc); | |
| 429 } | |
| 430 | |
| 431 /* Set the relays to match the desired state */ | |
| 432 static void | |
| 433 setstate(char state) { | |
| 434 switch (state) { | |
| 435 case 'c': | |
| 436 PORTC = settings.coolbits; | |
| 437 break; | |
| 438 | |
| 439 case 'h': | |
| 440 PORTC = settings.heatbits; | |
| 441 break; | |
| 442 | |
| 443 default: | |
| 444 printf_P(PSTR("Unknown state %c, setting idle\r\n"), state); | |
| 445 /* fallthrough */ | |
| 446 | |
| 447 case 'i': | |
| 448 PORTC = settings.idlebits; | |
| 449 break; | |
| 450 } | |
| 451 } | |
| 452 | |
| 453 /* Handle user command | |
| 454 * | |
| 455 */ | |
| 456 void | |
| 457 tempctrl_cmd(char *buf) { | |
| 458 char cmd[6]; | |
| 459 int16_t data; | |
|
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460 uint8_t ROM[8]; |
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461 |
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462 if (sscanf_P(buf, PSTR("tc %5s"), cmd, &data) == 0) { |
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463 printf_P(PSTR("Unable to parse tc subcommand\r\n")); |
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464 return; |
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465 } |
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466 |
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467 if (!strcasecmp_P(cmd, PSTR("help"))) { |
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468 printf_P(PSTR( |
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469 "tc help This help\r\n" |
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470 "tc save Save settings to EEPROM\r\n" |
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471 "tc load Load or default settings from EEPROM\r\n" |
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472 "tc dflt Load defaults from flash\r\n" |
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473 "tc list List current settings\r\n" |
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474 "tc mode [achin] Change control mode, must be one of\r\n" |
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475 " a Auto\r\n" |
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476 " c Always cool\r\n" |
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477 " h Always heat\r\n" |
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478 " i Always idle\r\n" |
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479 " n Like idle but don't log anything\r\n" |
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480 #ifndef WITHUSB |
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481 "tc beep [01] Enable/disable beeping when data is stale\r\n" |
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482 #endif |
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483 "tc X Y Set X to Y where X is one of\r\n" |
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484 " targ Target temperature\r\n" |
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485 " hys Hysteresis range\r\n" |
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486 " mhov Minimum heat overshoot\r\n" |
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487 " mcov Minimum cool overshoot\r\n" |
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488 " mcon Minimum cool on time\r\n" |
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489 " mcoff Minimum cool off time\r\n" |
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490 " mhin Minimum heat on time\r\n" |
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491 " mhoff Minimum heat off time\r\n" |
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492 "tc A B Set temperature sensor ID\r\n" |
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493 " Where A is ferm, frg or amb\r\n" |
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494 " and B is of the form xx:xx:xx:xx:xx:xx:xx:xx\r\n" |
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495 "\r\n" |
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496 " Times are in seconds\r\n" |
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497 " Temperatures are in hundredths of degrees Celcius\r\n" |
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498 )); |
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499 return; |
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500 } |
| 41 | 501 |
|
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502 if (!strcasecmp_P(cmd, PSTR("save"))) { |
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503 tempctrl_write_settings(); |
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504 return; |
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505 } |
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506 if (!strcasecmp_P(cmd, PSTR("load"))) { |
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507 tempctrl_load_or_init_settings(); |
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508 return; |
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509 } |
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510 if (!strcasecmp_P(cmd, PSTR("dflt"))) { |
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511 tempctrl_default_settings(); |
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512 return; |
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513 } |
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514 if (!strcasecmp_P(cmd, PSTR("list"))) { |
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515 printf_P(PSTR("Fermenter ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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516 "Fridge ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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517 "Ambient ROM ID %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\r\n" |
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518 "Mode - %c, Target - %d, Hystersis - %d\r\n" |
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519 "Min heat overshoot - %d, Min cool overshoot - %d\r\n" |
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520 "Min cool on time - %d, Min cool off time - %d\r\n" |
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521 "Min heat on time - %d, Min heat off time - %d\r\n" |
| 55 | 522 #ifndef WITHUSB |
| 523 "Beep on stale - %S\r\n" | |
| 524 #endif | |
| 525 ), | |
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526 settings.fermenter_ROM[0], settings.fermenter_ROM[1], settings.fermenter_ROM[2], settings.fermenter_ROM[3], |
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527 settings.fermenter_ROM[4], settings.fermenter_ROM[5], settings.fermenter_ROM[6], settings.fermenter_ROM[7], |
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528 settings.fridge_ROM[0], settings.fridge_ROM[1], settings.fridge_ROM[2], settings.fridge_ROM[3], |
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529 settings.fridge_ROM[4], settings.fridge_ROM[5], settings.fridge_ROM[6], settings.fridge_ROM[7], |
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530 settings.ambient_ROM[0], settings.ambient_ROM[1], settings.ambient_ROM[2], settings.ambient_ROM[3], |
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531 settings.ambient_ROM[4], settings.ambient_ROM[5], settings.ambient_ROM[6], settings.ambient_ROM[7], |
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532 settings.mode, settings.target_temp, settings.hysteresis, |
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533 settings.minheatovershoot, settings.mincoolovershoot, |
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534 settings.mincoolontime, settings.minheatontime, |
|
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535 settings.minheatontime, settings.minheatofftime, |
| 55 | 536 #ifndef WITHUSB |
| 537 settings.dobeep ? PSTR("yes") : PSTR("no") | |
| 538 #endif | |
| 539 ); | |
|
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540 return; |
|
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541 } |
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542 if (!strcasecmp_P(cmd, PSTR("mode"))) { |
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543 switch (buf[8]) { |
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544 case TC_MODE_AUTO: |
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545 case TC_MODE_HEAT: |
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546 case TC_MODE_COOL: |
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547 case TC_MODE_IDLE: |
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548 case TC_MODE_NOTHING: |
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549 settings.mode = buf[8]; |
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550 break; |
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551 |
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552 default: |
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553 printf_P(PSTR("Unknown mode character '%c'\r\n"), buf[8]); |
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554 break; |
| 41 | 555 } |
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556 return; |
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557 } |
| 55 | 558 #ifndef WITHUSB |
|
54
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559 if (!strcasecmp_P(cmd, PSTR("beep"))) { |
|
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560 if (buf[8] == '1' || buf[8] == 'y') |
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561 settings.dobeep = 1; |
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562 else if (buf[8] == '0' || buf[8] == 'n') |
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563 settings.dobeep = 0; |
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564 else |
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565 printf_P(PSTR("Expected a y/1 or n/0\r\n")); |
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566 return; |
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567 } |
| 55 | 568 #endif |
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569 if (!strcasecmp_P(cmd, PSTR("ferm")) || |
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570 !strcasecmp_P(cmd, PSTR("frg")) || |
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571 !strcasecmp_P(cmd, PSTR("amb"))) { |
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572 |
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573 if (sscanf_P((char *)cmd, PSTR("tc %5s %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"), cmd, |
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574 &ROM[0], &ROM[1], &ROM[2], &ROM[3], |
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575 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 9) { |
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576 printf_P(PSTR("Unable to parse ROM ID\r\n")); |
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577 } else { |
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578 if (!strcasecmp_P(cmd, PSTR("ferm"))) |
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579 memcpy(settings.fermenter_ROM, ROM, sizeof(ROM)); |
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580 if (!strcasecmp_P(cmd, PSTR("frg"))) |
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581 memcpy(settings.fridge_ROM, ROM, sizeof(ROM)); |
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582 if (!strcasecmp_P(cmd, PSTR("amb"))) |
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583 memcpy(settings.ambient_ROM, ROM, sizeof(ROM)); |
| 41 | 584 } |
| 585 } | |
| 586 | |
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587 if (sscanf_P(buf, PSTR("tc %5s %d"), cmd, &data) != 2) { |
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588 printf_P(PSTR("Unable to parse tc subcommand & value\r\n")); |
| 41 | 589 return; |
| 590 } | |
| 591 | |
| 592 if (!strcasecmp_P(cmd, PSTR("targ"))) { | |
| 593 settings.target_temp = data; | |
| 594 } else if (!strcasecmp_P(cmd, PSTR("hys"))) { | |
| 595 settings.hysteresis = data; | |
| 596 } else if (!strcasecmp_P(cmd, PSTR("mhov"))) { | |
| 597 settings.minheatovershoot = data; | |
| 598 } else if (!strcasecmp_P(cmd, PSTR("mcov"))) { | |
| 599 settings.mincoolovershoot = data; | |
| 600 } else if (!strcasecmp_P(cmd, PSTR("mcon"))) { | |
| 601 settings.mincoolontime = data; | |
| 602 } else if (!strcasecmp_P(cmd, PSTR("mcoff"))) { | |
| 603 settings.mincoolofftime = data; | |
| 604 } else if (!strcasecmp_P(cmd, PSTR("mhon"))) { | |
| 605 settings.minheatontime = data; | |
| 606 } else if (!strcasecmp_P(cmd, PSTR("mhoff"))) { | |
| 607 settings.minheatofftime = data; | |
| 608 } else { | |
| 609 printf_P(PSTR("Unknown setting\r\n")); | |
| 610 return; | |
| 611 } | |
| 612 } | |
| 613 | |
| 614 static const PROGMEM char* | |
| 615 state2long(char s) { | |
| 616 switch (s) { | |
| 617 case 'i': | |
| 618 return PSTR("idle"); | |
| 619 break; | |
| 620 | |
| 621 case 'c': | |
| 622 return PSTR("cool"); | |
| 623 break; | |
| 624 | |
| 625 case 'h': | |
| 626 return PSTR("heat"); | |
| 627 break; | |
| 628 | |
| 629 case '-': | |
| 630 return PSTR("-"); | |
| 631 break; | |
| 632 | |
| 633 default: | |
| 634 return PSTR("unknown"); | |
| 635 break; | |
| 636 } | |
| 637 } |