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comparison tempctrl.c @ 43:b4440f9f6d47

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Fix 'none' mode.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 01 Apr 2013 23:38:34 +1030
parents 56b32b0c9a40
children adc9b1555f9d
comparison
equal deleted inserted replaced
42:56b32b0c9a40 43:b4440f9f6d47
173 checktime = t + settings.check_interval; 173 checktime = t + settings.check_interval;
174 174
175 /* Don't do any logging, just force idle and leave */ 175 /* Don't do any logging, just force idle and leave */
176 if (settings.mode == TC_MODE_NOTHING) { 176 if (settings.mode == TC_MODE_NOTHING) {
177 nextstate = 'i'; 177 nextstate = 'i';
178 goto setstate; 178 goto skip;
179 } 179 }
180 180
181 /* Update our temperatures 181 /* Update our temperatures
182 * Can take a while (800ms each!) 182 * Can take a while (800ms each!)
183 */ 183 */
206 diff = fermenter_temp - settings.target_temp; 206 diff = fermenter_temp - settings.target_temp;
207 207
208 switch (currstate) { 208 switch (currstate) {
209 case 'i': 209 case 'i':
210 /* If we're idle then only heat or cool if the temperate difference is out of the 210 /* If we're idle then only heat or cool if the temperate difference is out of the
211 * hysteresis band 211 * hysteresis band and the heater/cooler have been off long enough
212 */ 212 */
213 if (abs(diff) > settings.hysteresis) { 213 if (abs(diff) > settings.hysteresis) {
214 if (diff < 0 && settings.minheatofftime + lastheatoff < t) 214 if (diff < 0 && settings.minheatofftime + lastheatoff < t)
215 nextstate = 'h'; 215 nextstate = 'h';
216 else if (diff > 0 && settings.mincoolofftime + lastcooloff < t) 216 else if (diff > 0 && settings.mincoolofftime + lastcooloff < t)
252 else if (settings.mode == TC_MODE_HEAT) 252 else if (settings.mode == TC_MODE_HEAT)
253 nextstate = 'h'; 253 nextstate = 'h';
254 else if (settings.mode == TC_MODE_COOL) 254 else if (settings.mode == TC_MODE_COOL)
255 nextstate = 'c'; 255 nextstate = 'c';
256 256
257 // Keep track of when we last turned things on or off 257 /* Keep track of when we last turned things on or off */
258 skip:
258 switch (nextstate) { 259 switch (nextstate) {
259 case 'c': 260 case 'c':
260 if (currstate == 'h') 261 if (currstate == 'h')
261 lastheatoff = t; 262 lastheatoff = t;
262 lastcoolon = t; 263 lastcoolon = t;
277 278
278 if (nextstate != '-') 279 if (nextstate != '-')
279 currstate = nextstate; 280 currstate = nextstate;
280 281
281 282
282 localtime_r(&t, &tm); 283 if (settings.mode != TC_MODE_NOTHING) {
283 assert(strftime(buf, sizeof(buf) - 1, "%Y/%m/%d %H:%M:%S: ", &tm) != 0); 284 localtime_r(&t, &tm);
284 fputs(buf, stdout); 285 assert(strftime(buf, sizeof(buf) - 1, "%Y/%m/%d %H:%M:%S: ", &tm) != 0);
285 printtemp("Tr", settings.target_temp, ", "); 286 fputs(buf, stdout);
286 printtemp("Fm", tempt, ", "); // Use actual value from sensor 287 printtemp("Tr", settings.target_temp, ", ");
287 printtemp("Fr", fridge_temp, ", "); 288 printtemp("Fm", tempt, ", "); // Use actual value from sensor
288 printtemp("Am", ambient_temp, ", "); 289 printtemp("Fr", fridge_temp, ", ");
289 printf("St: %s, Fl: %s%s\r\n", state2long(currstate), 290 printtemp("Am", ambient_temp, ", ");
290 forced ? "F" : "", 291 printf("St: %s, Fl: %s%s\r\n", state2long(currstate),
291 stale ? "S" : ""); 292 forced ? "F" : "",
292 293 stale ? "S" : "");
293 setstate: 294 }
295
294 setstate(currstate); 296 setstate(currstate);
295 } 297 }
296 298
297 /* 299 /*
298 * Print out temperature (or short error code) with specified trailer 300 * Print out temperature (or short error code) with specified trailer