Sun, 27 Dec 2015 16:09:44 +0100
Updated several prompts. Added pump prime. Added first part of a test plan.
/***************************************************************************** * Copyright (C) 2015 * * Michiel Broek <mbroek at mbse dot eu> * * This file is part of the mbsePi-apps * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * mbsePi-apps is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ThermFerm; see the file COPYING. If not, write to the Free * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *****************************************************************************/ #include "brewco.h" #include "rdconfig.h" #include "rdsession.h" #include "rdrecipes.h" #include "util.h" #include "xutil.h" #include "lcd-pcf8574.h" #include "slcd.h" #include "lock.h" #include "devices.h" #include "keyboard.h" #include "simulator.h" #include "prompt.h" #include "setup.h" #include "logger.h" int my_shutdown = FALSE; int mlt_pump_state = 0; double hltInput; /* HLT PID variables */ double hltOutput; double hltSetpoint; double mltInput; /* MLT PID variables */ double mltOutput; double mltSetpoint; extern int debug; extern sys_config Config; extern a_recipe *recipes; extern int lcdHandle; extern int slcdHandle; extern int sock; #ifdef USE_SIMULATOR extern int SIM_cooler; #endif char *etcpath = NULL; char *varpath = NULL; #ifndef HAVE_WIRINGPI_H pthread_t threads[5]; #endif #define MANUAL_NONE 0 #define MANUAL_SELHLT 1 #define MANUAL_SELMLT 2 #define MANUAL_HLT 11 #define MANUAL_MLT 12 #define PERC_INIT 0 #define PERC_MLT 1 #define PERC_HLT 2 #define PERC_REST 3 int manual = MANUAL_NONE; /* * CGRAM characters */ unsigned char degC[8] = { 0b01000, 0b10100, 0b01000, 0b00111, 0b01000, 0b01000, 0b01000, 0b00111 }; unsigned char degF[8] = { 0b01000, 0b10100, 0b01000, 0b00111, 0b00100, 0b00110, 0b00100, 0b00100 }; unsigned char SP_Symbol[8] = { 0b11100, 0b10000, 0b11100, 0b00111, 0b11101, 0b00111, 0b00100, 0b00100 }; unsigned char PumpONOFF[8] = { 0b00000, 0b01110, 0b01010, 0b01110, 0b01000, 0b01000, 0b01000, 0b00000 }; unsigned char RevPumpONOFF[8] = { 0b11111, 0b10001, 0b10101, 0b10001, 0b10111, 0b10111, 0b10111, 0b11111 }; unsigned char HeatONOFF[8] = { 0b00000, 0b01010, 0b01010, 0b01110, 0b01110, 0b01010, 0b01010, 0b00000 }; unsigned char RevHeatONOFF[8] = { 0b11111, 0b10101, 0b10101, 0b10001, 0b10001, 0b10101, 0b10101, 0b11111 }; unsigned char Language[8] = { 0b11111, 0b00010, 0b01000, 0b11111, 0b00000, 0b10001, 0b10101, 0b11111 }; void help(void); void die(int); void help(void) { fprintf(stdout, "mbsePi-apps brewco v%s starting\n\n", VERSION); fprintf(stdout, "Usage: brewco [-d] [-h]\n"); fprintf(stdout, " -d --debug Debug and run in foreground\n"); fprintf(stdout, " -h --help Display this help\n"); } void die(int onsig) { switch (onsig) { #ifdef USE_SIMULATOR case SIGUSR1: syslog(LOG_NOTICE, "Got SIGUSR1, start cooler"); SIM_cooler = TRUE; return; case SIGUSR2: syslog(LOG_NOTICE, "Got SIGUSR2, stop cooler"); SIM_cooler = FALSE; return; #endif case SIGHUP: syslog(LOG_NOTICE, "Got SIGHUP, shutting down"); break; case SIGINT: syslog(LOG_NOTICE, "Keyboard interrupt, shutting down"); break; case SIGTERM: syslog(LOG_NOTICE, "Got SIGTERM, shutting down"); break; case SIGSEGV: syslog(LOG_NOTICE, "Got SIGSEGV, shutting down"); my_shutdown = TRUE; exit(SIGSEGV); break; default: syslog(LOG_NOTICE, "die() on signal %d", onsig); } my_shutdown = TRUE; } void tempstatus(void) { char text[81]; snprintf(text, 8, "%6.2f\001", hltInput); #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 1, 1); lcdPuts(lcdHandle, text); #endif slcdPosition(slcdHandle, 1, 1); slcdPuts(slcdHandle, text); snprintf(text, 8, "%6.2f\001", mltInput); #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 10, 1); lcdPuts(lcdHandle, text); #endif slcdPosition(slcdHandle, 10, 1); slcdPuts(slcdHandle, text); } /* * Third line, show setPoints or heater percentage. */ void percstatus(int which) { char text[21]; if (which) snprintf(text, 8, "%6.2f\002", hltSetpoint); else snprintf(text, 8, "HLT%3d%%", (int)hltOutput); #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 1, 2); lcdPuts(lcdHandle, text); #endif slcdPosition(slcdHandle, 1, 2); slcdPuts(slcdHandle, text); if (which) snprintf(text, 8, "%6.2f\002", mltSetpoint); else snprintf(text, 8, "MLT%3d%%", (int)mltOutput); #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 10, 2); lcdPuts(lcdHandle, text); #endif slcdPosition(slcdHandle, 10, 2); slcdPuts(slcdHandle, text); } /* * Third line during boil, only MLT status */ void mltstatus(void) { char text[21]; snprintf(text, 20, "MLT %3d%% %6.2f\002 ", (int)mltOutput, mltSetpoint); #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 0, 2); lcdPuts(lcdHandle, text); #endif slcdPosition(slcdHandle, 0, 2); slcdPuts(slcdHandle, text); } void timestatus(int row, int timeval) { char text[21]; int hours, mins, val = timeval; hours = val / 3600; val -= (hours * 3600); mins = val / 60; val -= (mins * 60); snprintf(text, 20, " %02d:%02d:%02d ", hours, mins, val); #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 0, row); lcdPuts(lcdHandle, text); #endif slcdPosition(slcdHandle, 0, row); slcdPuts(slcdHandle, text); } int set_HLT_heater(units_list *unit, int state, double val) { if (strcmp(unit->hlt_heater.uuid, (char *)"00000000-0000-0000-0000-000000000000") == 0) return 0; hltSetpoint = val; if (state && (PID_getMode(unit->PID_hlt) == P_MANUAL)) { hlt_status(1); PID_setMode(unit->PID_hlt, P_AUTOMATIC); return 1; } if (! state && (PID_getMode(unit->PID_hlt) == P_AUTOMATIC)) { hlt_status(0); PID_setMode(unit->PID_hlt, P_MANUAL); return 1; } return 0; } int set_MLT_heater(units_list *unit, int state, double val) { if (strcmp(unit->mlt_heater.uuid, (char *)"00000000-0000-0000-0000-000000000000") == 0) return 0; mltSetpoint = val; if (state && (PID_getMode(unit->PID_mlt) == P_MANUAL)) { mlt_status(1); PID_setMode(unit->PID_mlt, P_AUTOMATIC); return 1; } if (! state && (PID_getMode(unit->PID_mlt) == P_AUTOMATIC)) { mlt_status(0); PID_setMode(unit->PID_mlt, P_MANUAL); return 1; } return 0; } int set_MLT_pump(units_list *unit, int state) { if (strcmp(unit->mlt_pump.uuid, (char *)"00000000-0000-0000-0000-000000000000") == 0) return 0; if (state && ! mlt_pump_state) { device_out(unit->mlt_pump.uuid, 1); mlt_pump_state = 1; return 1; } if (! state && mlt_pump_state) { device_out(unit->mlt_pump.uuid, 0); mlt_pump_state = 0; return 1; } return 0; } void automatic_brew(units_list *, brew_session *, a_recipe *, int, int); void automatic_brew(units_list *unit, brew_session *brew, a_recipe *recipe, int dosave, int seconds) { int key, save = dosave, i; char data[128]; static int mash_fase = MASH_NA, hopstand = 0, last_step = STEP_NA, last_fase = -1, oldsec = 75, startdelay = 0; if (brew->brewstep != last_step) { snprintf(data, 40, brewstep_name(last_step)); syslog(LOG_NOTICE, "AUTO: brewstep %s to %s", data, brewstep_name(brew->brewstep)); } switch (brew->brewstep) { case STEP_NA: if (debug) fprintf(stdout, "auto: init recipe: %s-%s unit: %s\n", recipe->code, recipe->name, unit->name); syslog(LOG_NOTICE, "AUTO: starting new brew, recipe: %s-%s unit: %s", recipe->code, recipe->name, unit->name); brew->brewstep = STEP_BREWINIT; break; case STEP_BREWINIT: prompt(103, NULL); /* " AUTOMATIC MODE " */ prompt(207, NULL); /* " Delay start? " */ prompt(300, NULL); /* " " */ prompt(407, NULL); /* "--- --- No Yes " */ if (debug) fprintf(stdout, "step brewinit\n"); key = keywait(); if (key == KEY_RETURN) { brew->brewstep = STEP_WATERCHECK; startdelay = 0; syslog(LOG_NOTICE, "AUTO: brew initialize, direct start selected"); break; } if (key == KEY_ENTER) { startdelay = 30; editInteger(&startdelay, 10, 960, 10, (char *)"Start delay", (char *)"mins"); } syslog(LOG_NOTICE, "AUTO: brew initialize"); brew->brewstep = STEP_WATERCHECK; break; case STEP_WATERCHECK: if (brew->brewstep != last_step) { prompt(111, NULL); /* "AUTO --> Mash In " */ prompt(209, NULL); /* " Water Added? " */ prompt(300, NULL); prompt(407, NULL); /* "--- --- No Yes " */ last_step = brew->brewstep; } slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_ENTER) { brew->brewstep = STEP_PUMPPRIME; syslog(LOG_NOTICE, "AUTO: confirmed water added"); } if (key == KEY_RETURN) { syslog(LOG_NOTICE, "AUTO: aborted water added"); brew->brewstep = STEP_CLEANUP; } break; case STEP_PUMPPRIME: if (brew->brewstep != last_step) { prompt(100, NULL); /* " " */ prompt(210, NULL); /* " Pump Prime " */ prompt(300, NULL); /* " " */ prompt(400, NULL); /* " " */ hlt_status(0); mlt_status(0); last_step = brew->brewstep; } for (i = 1; i < 6; i++) { if (set_MLT_pump(unit, 1)) syslog(LOG_NOTICE, "AUTO: pump prime %d turn %s MLT pump", i, mlt_pump_state ? "on":"off"); usleep(750000 + (i * 250000)); /* 250 + i * 250 mSec */ if (set_MLT_pump(unit, 0)) syslog(LOG_NOTICE, "AUTO: pump prime %d turn %s MLT pump", i, mlt_pump_state ? "on":"off"); usleep(350000); /* 350 mSec */ } brew->brewstep = STEP_WAITSTART; break; case STEP_WAITSTART: if (startdelay == 0) { brew->brewstep = STEP_PREMASH; break; } if (brew->brewstep != last_step) { brew->timeout = startdelay * 60; prompt(111, NULL); /* "AUTO --> Mash In " */ prompt(212, NULL); /* " To be started in " */ prompt(410, NULL); /* " Continue: Yes No " */ last_step = brew->brewstep; } if (oldsec != seconds) { timestatus(2, brew->timeout); brew->timeout--; if (brew->timeout <= 0) { syslog(LOG_NOTICE, "AUTO: delayed start time reached"); brew->brewstep = STEP_PREMASH; } oldsec = seconds; } slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_RETURN) { syslog(LOG_NOTICE, "AUTO: delayed start skipped by user"); brew->brewstep = STEP_PREMASH; } break; case STEP_PREMASH: if (brew->brewstep != last_step) { prompt(111, NULL); /* "AUTO --> Mash-in " */ prompt(300, NULL); /* " " */ prompt(418, NULL); /* "--- --- Pause --- " */ tempstatus(); hlt_status(1); mlt_status(1); pump_status(unit->pump_premash); last_step = brew->brewstep; } initlog(brew->name); if (set_HLT_heater(unit, 1, 85.0)) syslog(LOG_NOTICE, "AUTO: premash turn on HLT at %6.2f", hltSetpoint); if (set_MLT_heater(unit, 1, recipe->mash[0].setpoint)) syslog(LOG_NOTICE, "AUTO: premash turn on MLT at %6.2f", mltSetpoint); if (set_MLT_pump(unit, unit->pump_premash)) syslog(LOG_NOTICE, "AUTO: premash turn %s MLT pump", mlt_pump_state ? "on":"off"); brew->brewstep = STEP_MASHING; brew->mashstep = 0; mash_fase = MASH_NA; save = TRUE; break; case STEP_MASHING: if (brew->brewstep != last_step) { prompt(111 + brew->mashstep, NULL); /* "AUTO --> [mashname] " */ prompt(300, NULL); /* " " */ prompt(418, NULL); /* "--- --- Pause --- " */ tempstatus(); hlt_status(1); mlt_status(1); pump_status(unit->pump_onmash); last_step = brew->brewstep; } if (set_HLT_heater(unit, 1, 85.0)) syslog(LOG_NOTICE, "AUTO: mash turn on HLT at %6.2f", hltSetpoint); if (set_MLT_heater(unit, 1, recipe->mash[brew->mashstep].setpoint)) syslog(LOG_NOTICE, "AUTO: mash turn on MLT at %6.2f", mltSetpoint); if ((mash_fase != MASH_REST) && set_MLT_pump(unit, unit->pump_onmash)) syslog(LOG_NOTICE, "AUTO: mash turn %s MLT pump", mlt_pump_state ? "on":"off"); switch (mash_fase) { case MASH_NA: if (recipe->mash[brew->mashstep].skip) { syslog(LOG_NOTICE, "AUTO: skipping mash step %d", brew->mashstep); brew->mashstep++; } else { mltSetpoint = recipe->mash[brew->mashstep].setpoint; brew->timeout = recipe->mash[brew->mashstep].duration * 60; if ((brew->mashstep == 0) && ! unit->skip_add) { mash_fase = MASH_PROMPT; } else mash_fase = MASH_HEATING; syslog(LOG_NOTICE, "AUTO: mash step %d fase NA, setpoint %6.2f, duration %d", brew->mashstep, mltSetpoint, brew->timeout); } if (brew->mashstep == 0) { brew->starttime = time(NULL); save = TRUE; } break; case MASH_PROMPT: if (last_fase != mash_fase) { prompt(111 + brew->mashstep, NULL); /* "AUTO --> [mashname] " */ prompt(219, NULL); /* " Mash added? " */ prompt(300, NULL); prompt(407, NULL); /* "--- --- No Yes " */ last_fase = mash_fase; } slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_ENTER) { mash_fase = MASH_HEATING; syslog(LOG_NOTICE, "AUTO: confirmed mash added"); } if (key == KEY_RETURN) { syslog(LOG_NOTICE, "AUTO: aborted mash added"); brew->brewstep = STEP_CLEANUP; brew->mashstep = 0; } break; case MASH_IODINE: if (last_fase != mash_fase) { prompt(118, NULL); /* "AUTO --> Mash Out " */ prompt(213, NULL); /* " Iodine test " */ timestatus(2, brew->timeout); prompt(410, NULL); /* " Continue: Yes No " */ last_fase = mash_fase; } if (oldsec != seconds) { brew->timeout--; timestatus(2, brew->timeout); if (brew->timeout <= 0) { syslog(LOG_NOTICE, "AUTO: mash IODINE test timeout"); mash_fase = MASH_NA; brew->mashstep++; } oldsec = seconds; } slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_RETURN) { syslog(LOG_NOTICE, "AUTO: mash IODINE test confirmed"); mash_fase = MASH_NA; brew->mashstep++; } if (key == KEY_ENTER) { syslog(LOG_NOTICE, "AUTO: mash IODINE test declined"); mash_fase = MASH_REST; brew->timeout = 600; /* Add 10 more minutes */ } break; case MASH_HEATING: if (last_fase != mash_fase) { prompt(111 + brew->mashstep, NULL); /* "AUTO --> [mashname] " */ prompt(200, NULL); prompt(300, NULL); prompt(418, NULL); /* "--- --- Pause --- " */ hlt_status(1); mlt_status(1); pump_status(unit->pump_onmash); last_fase = mash_fase; } if (oldsec != seconds) { tempstatus(); percstatus((seconds / 2) % 4); oldsec = seconds; } if (mltInput > mltSetpoint) { syslog(LOG_NOTICE, "AUTO: mash step %d fase HEATING reached %6.2f", brew->mashstep, mltSetpoint); mash_fase = MASH_REST; } break; case MASH_REST: if (last_fase != mash_fase) { prompt(111 + brew->mashstep, NULL); /* "AUTO --> [mashname] " */ prompt(200, NULL); prompt(300, NULL); prompt(418, NULL); /* "--- --- Pause --- " */ hlt_status(1); mlt_status(1); pump_status(unit->pump_onmash); last_fase = mash_fase; } if (oldsec != seconds) { tempstatus(); timestatus(2, brew->timeout); if (brew->mashstep == 7) { /* * During mash-out rest, allow the grain to sink */ if (set_MLT_pump(unit, unit->pump_mashout)) syslog(LOG_NOTICE, "AUTO: mash-out turn %s MLT pump", mlt_pump_state ? "on":"off"); } else { if (set_MLT_pump(unit, unit->pump_onmash)) syslog(LOG_NOTICE, "AUTO: mash turn %s MLT pump", mlt_pump_state ? "on":"off"); } brew->timeout--; if (brew->timeout <= 0) { syslog(LOG_NOTICE, "AUTO: mash step %d fase REST done", brew->mashstep); if ((brew->mashstep == 6) && ! unit->skip_iodine) { mash_fase = MASH_IODINE; brew->timeout = unit->iodine_time * 60; } else if (brew->mashstep == 7) { mash_fase = MASH_DONE; } else { mash_fase = MASH_NA; brew->mashstep++; } } oldsec = seconds; } break; case MASH_DONE: syslog(LOG_NOTICE, "AUTO: mash step %d fase DONE", brew->mashstep); if (set_MLT_heater(unit, 1, recipe->mash[7].setpoint)) syslog(LOG_NOTICE, "AUTO: mash done turn MLT off"); if (set_MLT_pump(unit, 0)) syslog(LOG_NOTICE, "AUTO: mash done turn %s MLT pump", mlt_pump_state ? "on":"off"); brew->mashstep = 0; brew->brewstep = STEP_MASHREMOVE; break; } break; case STEP_MASHREMOVE: if (unit->skip_remove) { syslog(LOG_NOTICE, "AUTO: skipping Mash remove"); brew->brewstep = STEP_PREBOIL; } else { if (brew->brewstep != last_step) { prompt(118, NULL); /* "AUTO --> Mash Out " */ prompt(220, NULL); /* " Mash Removed? " */ prompt(300, NULL); prompt(410, NULL); /* " Continue: Yes No " */ last_step = brew->brewstep; } slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_RETURN) { syslog(LOG_NOTICE, "AUTO: Confirmed Mash removed"); brew->brewstep = STEP_PREBOIL; } } break; case STEP_PREBOIL: if (brew->brewstep != last_step) { prompt(119, NULL); /* "AUTO --> Boil " */ prompt(200, NULL); prompt(300, NULL); tempstatus(); mltstatus(); prompt(418, NULL); /* "--- --- Pause --- " */ hlt_status(0); mlt_status(1); pump_status(unit->pump_onboil && (mltInput < unit->pump_stop)); last_step = brew->brewstep; } if (oldsec != seconds) { tempstatus(); mltstatus(); oldsec = seconds; } if (set_HLT_heater(unit, 0, 10.0)) syslog(LOG_NOTICE, "AUTO: preboil turn off HLT"); if (set_MLT_heater(unit, 1, 100.0)) syslog(LOG_NOTICE, "AUTO: preboil turn on MLT to boil"); if (set_MLT_pump(unit, unit->pump_onboil && (mltInput < unit->pump_stop))) syslog(LOG_NOTICE, "AUTO: preboil turn %s MLT pump", mlt_pump_state ? "on":"off"); if (mltInput > 99.2) { syslog(LOG_NOTICE, "AUTO: reached boil temperature %.2f, start %d minutes boil", mltInput, recipe->boiltime); brew->brewstep = STEP_BOILING; brew->boiltimer = recipe->boiltime * 60; } break; case STEP_BOILING: if (set_HLT_heater(unit, 0, 10.0)) syslog(LOG_NOTICE, "AUTO: boil turn off HLT"); if (set_MLT_heater(unit, 1, 100.0)) syslog(LOG_NOTICE, "AUTO: boil turn on MLT to boil"); if (set_MLT_pump(unit, unit->pump_onboil && (mltInput < unit->pump_stop))) syslog(LOG_NOTICE, "AUTO: boil turn %s MLT pump", mlt_pump_state ? "on":"off"); if (brew->brewstep != last_step) { prompt(119, NULL); /* "AUTO --> Boil " */ prompt(200, NULL); prompt(300, NULL); tempstatus(); mltstatus(); prompt(418, NULL); /* "--- --- Pause --- " */ hlt_status(0); mlt_status(1); pump_status(unit->pump_onboil && (mltInput < unit->pump_stop)); last_step = brew->brewstep; } if (oldsec != seconds) { tempstatus(); if ((seconds / 2) % 4) { timestatus(2, brew->boiltimer); } else { mltstatus(); } if (brew->boiltimer >= 0) { brew->boiltimer--; } else { brew->brewstep = STEP_BOILDONE; syslog(LOG_NOTICE, "AUTO: boil is done"); } oldsec = seconds; } break; case STEP_BOILDONE: if (set_MLT_heater(unit, 0, 10.0)) syslog(LOG_NOTICE, "AUTO: after boil turn off MLT heater"); if (set_MLT_pump(unit, 0)) syslog(LOG_NOTICE, "AUTO: after boil turn %s MLT pump", mlt_pump_state ? "on":"off"); if (brew->brewstep != last_step) { prompt(120, NULL); /* "AUTO --> Cooling " */ prompt(214, NULL); /* " START COOLING " */ prompt(300, NULL); prompt(410, NULL); /* " Continue: Yes No " */ last_step = brew->brewstep; } slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_ENTER) { brew->brewstep = STEP_CLEANUP; syslog(LOG_NOTICE, "AUTO: user skipped cooling"); } if (key == KEY_RETURN) { brew->brewstep = STEP_COOLING; syslog(LOG_NOTICE, "AUTO: user started cooling"); } break; case STEP_COOLING: for (i = 0; i < 3; i++) { if ((recipe->hopstand[i].skip == 0) && (mltInput <= recipe->hopstand[i].max) && (mltInput >= recipe->hopstand[i].min)) { brew->brewstep = STEP_HOPSTAND; hopstand = i; syslog(LOG_NOTICE, "AUTO: starting hopstand %d", i+1); } } if (brew->brewstep == STEP_HOPSTAND) break; // hot whirlpool start at 85 degrees // cold whirlpool start at 30 degrees if (brew->brewstep != last_step) { prompt(120, NULL); /* "AUTO --> Cooling " */ prompt(200, NULL); tempstatus(); prompt(300, NULL); prompt(418, NULL); /* "--- --- Pause --- " */ hlt_status(0); mlt_status(0); pump_status(0); last_step = brew->brewstep; } if (oldsec != seconds) { tempstatus(); oldsec = seconds; } if (mltInput <= recipe->coolto) { syslog(LOG_NOTICE, "AUTO: cool temperture %.2f reached", recipe->coolto); brew->brewstep = STEP_CLEANUP; } break; case STEP_HOPSTAND: if (brew->brewstep != last_step) { prompt(122 + hopstand, NULL); /* "AUTO --> Hopstand n " */ tempstatus(); timestatus(2, brew->timeout); prompt(418, NULL); /* "--- --- Pause --- " */ brew->boiltimer = recipe->hopstand[hopstand].duration * 60; last_step = brew->brewstep; } if (recipe->hopstand[hopstand].hold) { if (set_MLT_heater(unit, 1, recipe->hopstand[hopstand].setpoint)) syslog(LOG_NOTICE, "AUTO: hopstand 1 turn on MLT at %6.2f", mltSetpoint); } if (set_MLT_pump(unit, 1)) syslog(LOG_NOTICE, "AUTO: hopstand 1 turn %s MLT pump", mlt_pump_state ? "on":"off"); if (oldsec != seconds) { tempstatus(); timestatus(2, brew->timeout); brew->boiltimer--; if (brew->boiltimer <= 0) { syslog(LOG_NOTICE, "AUTO: hopstand %d done", hopstand+1); if (set_MLT_heater(unit, 0, 10.0)) syslog(LOG_NOTICE, "AUTO: hopstand 1 turn off MLT at %6.2f", mltSetpoint); brew->brewstep = STEP_COOLING; } oldsec = seconds; } break; case STEP_WHIRLPOOL: prompt(121, NULL); /* "AUTO --> Whirlpool " */ break; case STEP_CLEANUP: if (brew->brewstep != last_step) { prompt(101, NULL); /* " Brewco x.x.x " */ prompt(200, NULL); /* " " */ prompt(300, NULL); /* " " */ prompt(400, NULL); /* " " */ last_step = brew->brewstep; } syslog(LOG_NOTICE, "AUTO: cleanup"); if (set_HLT_heater(unit, 0, 10.0)) syslog(LOG_NOTICE, "AUTO: cleanup turn on HLT at %6.2f", hltSetpoint); if (set_MLT_heater(unit, 0, 10.0)) syslog(LOG_NOTICE, "AUTO: cleanup turn on MLT at %6.2f", mltSetpoint); if (set_MLT_pump(unit, 0)) syslog(LOG_NOTICE, "AUTO: cleanup turn %s MLT pump", mlt_pump_state ? "on":"off"); brew->brewstep = STEP_BREWDONE; break; case STEP_BREWDONE: if (brew->brewstep != last_step) { prompt(101, NULL); /* " Brewco x.x.x " */ prompt(200, NULL); /* " " */ prompt(301, NULL); /* " Finished " */ prompt(408, NULL); /* "--- --- Ok --- " */ last_step = brew->brewstep; } syslog(LOG_NOTICE, "AUTO: brew done"); brew->brewstep = -1; brew->endtime = time(NULL); save = TRUE; do { key = keywait(); } while (key != KEY_RETURN); /* * Rewrite the display */ prompt(101, NULL); /* " Brewco x.x.x " */ tempstatus(); prompt(300, NULL); /* " " */ prompt(401, NULL); /* "--- MAN AUTO SETUP" */ break; } if (save) { snprintf(data, 127, "%d,%.2f,%.2f,%.2f,%.2f,%.2f,%.2f", brew->brewstep, hltInput, hltOutput, hltSetpoint, mltInput, mltOutput, mltSetpoint); logger(brew->name, data); wrsession(brew); } } void manual_prompt(void) { switch (manual) { case MANUAL_SELHLT: prompt(104, NULL); /* " MANUAL MODE " */ prompt(303, NULL); /* " Manual HLT " */ prompt(402, NULL); /* "--- dwn quit ok " */ break; case MANUAL_SELMLT: prompt(104, NULL); /* " MANUAL MODE " */ prompt(304, NULL); /* " Manual MLT " */ prompt(404, NULL); /* " up --- quit ok " */ break; case MANUAL_HLT: prompt(104, NULL); /* " MANUAL MODE " */ prompt(300, NULL); /* " " */ prompt(413, NULL); /* "UP* *DWN heat --- " */ break; case MANUAL_MLT: prompt(104, NULL); /* " MANUAL MODE " */ prompt(300, NULL); /* " " */ prompt(406, NULL); /* "UP* *DWN heat pmp " */ break; } } /* * Manual menu for testing your equipment. */ int manual_menu(units_list *, int); int manual_menu(units_list *unit, int seconds) { int key; switch (manual) { case MANUAL_SELHLT: slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_DOWN) { manual = MANUAL_SELMLT; manual_prompt(); } if (key == KEY_RETURN) { manual = MANUAL_NONE; mlt_pump_state = 0; PID_setMode(unit->PID_mlt, P_MANUAL); PID_setMode(unit->PID_hlt, P_MANUAL); hlt_status(0); mlt_status(0); device_out(unit->mlt_pump.uuid, mlt_pump_state); } if (key == KEY_ENTER) { // TODO: prompt for water manual = MANUAL_HLT; manual_prompt(); } break; case MANUAL_SELMLT: slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_UP) { manual = MANUAL_SELHLT; manual_prompt(); } if (key == KEY_RETURN) { manual = MANUAL_NONE; mlt_pump_state = 0; PID_setMode(unit->PID_mlt, P_MANUAL); PID_setMode(unit->PID_hlt, P_MANUAL); hlt_status(0); mlt_status(0); device_out(unit->mlt_pump.uuid, mlt_pump_state); } if (key == KEY_ENTER) { // TODO: prompt for water manual = MANUAL_MLT; manual_prompt(); } break; case MANUAL_HLT: tempstatus(); percstatus((seconds / 2) % 4); slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_RETURN) { if (PID_getMode(unit->PID_hlt) == P_MANUAL) { PID_setMode(unit->PID_hlt, P_AUTOMATIC); hlt_status(1); } else { PID_setMode(unit->PID_hlt, P_MANUAL); hlt_status(0); } } if ((key == KEY_DOWN) && (hltSetpoint > 10)) hltSetpoint -= 1.0; if ((key == KEY_UP) && (hltSetpoint < 100)) hltSetpoint += 1.0; if (key == KEY_ESCAPE) { manual = MANUAL_SELHLT; manual_prompt(); } break; case MANUAL_MLT: tempstatus(); percstatus((seconds / 2) % 4); slcdDummy(slcdHandle); key = keycheck(); if (key == KEY_RETURN) { if (PID_getMode(unit->PID_mlt) == P_MANUAL) { PID_setMode(unit->PID_mlt, P_AUTOMATIC); mlt_status(1); } else { PID_setMode(unit->PID_mlt, P_MANUAL); mlt_status(0); } } if ((key == KEY_DOWN) && (mltSetpoint > 10)) mltSetpoint -= 1.0; if ((key == KEY_UP) && (mltSetpoint < 100)) mltSetpoint += 1.0; if (key == KEY_ENTER) { if (mlt_pump_state) set_MLT_pump(unit, 0); else set_MLT_pump(unit, 1); } if (key == KEY_ESCAPE) { manual = MANUAL_SELMLT; manual_prompt(); } device_out(unit->mlt_pump.uuid, mlt_pump_state); break; } return 0; } char *choose_recipe(void); char *choose_recipe(void) { int total, i, key, choice = 1; static char uuid[37]; a_recipe *recipe; char pmpt[81]; strcpy(uuid, (char *)"00000000-0000-0000-0000-000000000000"); for (;;) { total = 0; for (recipe = recipes; recipe; recipe = recipe->next) total++; if (total == 0) return uuid; i = 0; for (recipe = recipes; recipe; recipe = recipe->next) { i++; if (i == choice) break; } prompt(102, NULL); /* " SETUP MENU " */ prompt(221, NULL); /* " Select Recipe " */ if (total) { snprintf(pmpt, Config.lcd_cols + 1, "%s %s ", recipe->code, recipe->name); prompt(300, pmpt); } if (total == 1) prompt(405, NULL); /* "--- --- quit ok " */ else if (choice == 1) prompt(402, NULL); /* "--- dwn quit ok " */ else if (choice == total) prompt(404, NULL); /* " up --- quit ok " */ else prompt(403, NULL); /* " up dwn quit ok " */ key = keywait(); if ((key == KEY_RETURN) || my_shutdown) return uuid; if (key == KEY_ENTER) { strcpy(uuid, recipe->uuid); return uuid; } if ((key == KEY_UP) && (total > 1) && (choice > 1)) { choice--; } if ((key == KEY_DOWN) && (total > 1) && (choice < total)) choice++; } } int server(void); int server(void) { int rc = 0, run = 1, dosave, key, temp, MLTp, HLTp, percslot, percfase = PERC_INIT; int do_init = TRUE, seconds = 0, minutes = 0; units_list *unit; a_recipe *recipe = NULL; brew_session *brew = NULL; #ifndef HAVE_WIRINGPI_H long t = 0; #endif time_t now, last = (time_t)0; long nowmillis, perctimer; struct tm *tm; prompt(101, NULL); /* * Define special characters in the display CGRAM */ if (Config.tempFormat == 'C') slcdCharDef(slcdHandle, 1, degC); else slcdCharDef(slcdHandle, 1, degF); slcdCharDef(slcdHandle, 2, SP_Symbol); slcdCharDef(slcdHandle, 3, PumpONOFF); slcdCharDef(slcdHandle, 4, RevPumpONOFF); slcdCharDef(slcdHandle, 5, HeatONOFF); slcdCharDef(slcdHandle, 6, RevHeatONOFF); slcdCharDef(slcdHandle, 7, Language); if (lockprog((char *)"brewco")) { syslog(LOG_NOTICE, "Can't lock"); return 1; } if (debug) fprintf(stdout, "Begin server()\n"); if ((rc = devices_detect())) { syslog(LOG_NOTICE, "Detected %d new devices", rc); if (debug) fprintf(stdout, "Detected %d new devices\n", rc); wrconfig(); } #ifdef HAVE_WIRINGPI_H rc = piThreadCreate(my_devices_loop); #else rc = pthread_create(&threads[t], NULL, my_devices_loop, (void *)t ); #endif if (rc) { fprintf(stderr, "my_devices_loop thread didn't start rc=%d\n", rc); syslog(LOG_NOTICE, "my_devices_loop thread didn't start rc=%d", rc); #ifndef HAVE_WIRINGPI_H } else { t++; #endif } #ifdef HAVE_WIRINGPI_H rc = piThreadCreate(my_keyboard_loop); #else rc = pthread_create(&threads[t], NULL, my_keyboard_loop, (void *)t ); #endif if (rc) { fprintf(stderr, "my_keyboard_loop thread didn't start rc=%d\n", rc); syslog(LOG_NOTICE, "my_keyboard_loop thread didn't start rc=%d", rc); #ifndef HAVE_WIRINGPI_H } else { t++; #endif } #ifdef USE_SIMULATOR #ifdef HAVE_WIRINGPI_H rc = piThreadCreate(my_simulator_loop); #else rc = pthread_create(&threads[t], NULL, my_simulator_loop, (void *)t ); #endif if (rc) { fprintf(stderr, "my_simulator_loop thread didn't start rc=%d\n", rc); syslog(LOG_NOTICE, "my_simulator_loop thread didn't start rc=%d", rc); #ifndef HAVE_WIRINGPI_H } else { t++; #endif } #endif if (! Config.units) { /* * No brewsystems defined, add the first */ prompt(218, NULL); /* Add Brewsystem? */ prompt(407, NULL); /* --- --- Ok --- */ do { key = keywait(); } while (key != KEY_RETURN); if (key == KEY_RETURN) { addUnit(1); } } /* * Initialize units for processing */ for (unit = Config.units; unit; unit = unit->next) { if (unit->active) break; } if (! unit->active) { fprintf(stdout, "No active units found\n"); } /* * Safety, turn everything off */ if (unit->active) { if (debug) fprintf(stdout, "Starting brewsystem %d `%s'\n", unit->number, unit->name); syslog(LOG_NOTICE, "Starting brewsystem %d `%s'", unit->number, unit->name); } /* * During automation there will be a state file: * ~/.brewco/var/brewing.xml * If this file is present, there has been a crash. */ brew = (brew_session *)malloc(sizeof(brew_session)); rc = rdsession(brew); syslog(LOG_NOTICE, "rdsession: rc=%d", rc); if (debug) fprintf(stdout, "rdsession: rc=%d\n", rc); char *mypath = xstrcpy(etcpath); mypath = xstrcat(mypath, (char *)"brewing.xml"); if (rc == 0) { if (debug) fprintf(stdout, "Active brew session found\n"); } else if (rc == -1) { free(brew); brew = NULL; if (debug) fprintf(stdout, "No active brew session found\n"); } else { unlink(mypath); free(brew); brew = NULL; if (debug) fprintf(stdout, "Error brew session found\n"); } free(mypath); mypath = NULL; do { if (my_shutdown) { run = 0; unit->hlt_heater.value = 0; unit->mlt_heater.value = 0; unit->mlt_pump.value = 0; device_out(unit->hlt_heater.uuid, 0); device_out(unit->mlt_heater.uuid, 0); device_out(unit->mlt_pump.uuid, 0); hlt_status(0); mlt_status(0); break; } /* * Do we need to initialize this unit? */ if (do_init) { if (debug) fprintf(stdout, "Initialize brewsystem %d `%s'\n", unit->number, unit->name); syslog(LOG_NOTICE, "Initialize brewsystem %d `%s'", unit->number, unit->name); prompt(0, NULL); prompt(101, NULL); /* " Brewco x.x.x " */ prompt(401, NULL); /* "--- MAN AUTO SETUP" */ /* * Turn everything off */ unit->hlt_heater.value = 0; unit->mlt_heater.value = 0; unit->mlt_pump.value = 0; device_out(unit->hlt_heater.uuid, 0); device_out(unit->mlt_heater.uuid, 0); device_out(unit->mlt_pump.uuid, 0); /* * Initialize PID's */ hltInput = hltSetpoint = mltInput = mltSetpoint = 20.0; hltOutput = mltOutput = 0; PID_init(unit->PID_hlt, &hltInput, &hltOutput, &hltSetpoint, unit->PID_hlt->dispKp, unit->PID_hlt->dispKi, unit->PID_hlt->dispKd, unit->PID_hlt->Direction); PID_setOutputLimits(unit->PID_hlt, 0, 100); PID_setSampleTime(unit->PID_hlt, unit->PID_hlt->SampleTime); PID_init(unit->PID_mlt, &mltInput, &mltOutput, &mltSetpoint, unit->PID_mlt->dispKp, unit->PID_mlt->dispKi, unit->PID_mlt->dispKd, unit->PID_mlt->Direction); PID_setOutputLimits(unit->PID_mlt, 0, 100); PID_setSampleTime(unit->PID_mlt, unit->PID_mlt->SampleTime); hlt_status(0); mlt_status(0); manual = MANUAL_NONE; do_init = FALSE; nowmillis = perctimer = millis(); percslot = 0; percfase = PERC_INIT; dosave = 0; if (brew) { /* * Restore session */ if (debug) fprintf(stdout, "loop_init: restoring brew session\n"); for (recipe = recipes; recipe; recipe = recipe->next) { if (strcmp(recipe->uuid, brew->uuid_recipe) == 0) { break; } } if (debug) fprintf(stdout, "loop_init: brewstep=%d mashstep=%d recipe=%s\n", brew->brewstep, brew->mashstep, recipe->code); } } /* run_pause code here */ /* * Update PID's, even if they are off. Both PID's will do * the scheduling by themselves. */ rc = PID_compute(unit->PID_hlt); rc = PID_compute(unit->PID_mlt); /* * This is the serial heaters schedule loop. The total * loop time is 5 seconds, heating is 0..100% so we * have 5 mSeconds timeslots. The MLT has priority over * the HLT heater, so the HLT heater can get too little * power. TODO: simultaneous use must be implemented. * In sequentiel mode, the total drawn power is the same * as the power used by the largest heater element. */ nowmillis = millis(); if (nowmillis > (perctimer + 50)) { percslot++; if (percfase == PERC_INIT) { HLTp = (int)hltOutput; MLTp = (int)mltOutput; if ((MLTp + HLTp) > 100) HLTp = 100 - MLTp; /* The HLT has lower priority */ if (MLTp) { percfase = PERC_MLT; device_out(unit->hlt_heater.uuid, 0); device_out(unit->mlt_heater.uuid, 1); } else if (HLTp) { percfase = PERC_HLT; device_out(unit->hlt_heater.uuid, 1); device_out(unit->mlt_heater.uuid, 0); } else { percfase = PERC_REST; device_out(unit->hlt_heater.uuid, 0); device_out(unit->mlt_heater.uuid, 0); } // if (debug) // fprintf(stdout, " perslot=%d MLT=%d%% HLT=%d%% fase=%d\n", percslot, MLTp, HLTp, percfase); } else if (percfase == PERC_MLT) { if (percslot > MLTp) { device_out(unit->mlt_heater.uuid, 0); if (HLTp) { device_out(unit->hlt_heater.uuid, 1); percfase = PERC_HLT; } else { percfase = PERC_REST; } } } else if (percfase == PERC_HLT) { if (percslot > (MLTp + HLTp)) { device_out(unit->hlt_heater.uuid, 0); percfase = PERC_REST; } } if (percslot == 100) { /* End of the loop, start over */ percslot = 0; percfase = PERC_INIT; } perctimer = nowmillis; } now = time(NULL); if (now != last) { /* * Each second */ last = now; seconds++; if (seconds > 59) { seconds = 0; minutes++; dosave = 1; } rc = device_in(unit->hlt_sensor.uuid, &temp); if (rc == DEVPRESENT_YES) { hltInput = temp / 1000.0; unit->hlt_sensor.state = 0; } else if (rc == DEVPRESENT_ERROR) { unit->hlt_sensor.state = 1; } else { unit->hlt_sensor.state = 2; } rc = device_in(unit->mlt_sensor.uuid, &temp); if (rc == DEVPRESENT_YES) { mltInput = temp / 1000.0; unit->mlt_sensor.state = 0; } else if (rc == DEVPRESENT_ERROR) { unit->mlt_sensor.state = 1; } else { unit->mlt_sensor.state = 2; } if (debug && ((seconds % 10) == 1)) { fprintf(stdout, "MLT: In=%.2lf Out=%.2lf Set=%.2lf Stat=%d HLT: In=%.2lf Out=%.2lf Set=%.2lf Stat=%d\n", mltInput, mltOutput, mltSetpoint, PID_getMode(unit->PID_mlt), hltInput, hltOutput, hltSetpoint, PID_getMode(unit->PID_hlt)); } } if (brew) { /* * Automate mode */ automatic_brew(unit, brew, recipe, dosave, seconds); dosave = 0; if (brew->brewstep == -1) { /* * Save session and move it */ wrsession(brew); char *fpath, *tpath; fpath = xstrcpy(etcpath); fpath = xstrcat(fpath, (char *)"brewing.xml"); tpath = xstrcpy(varpath); tpath = xstrcat(tpath, (char *)"old/brewing.xml."); mkdirs(tpath, 0755); tpath = xstrcat(tpath, brew->name); if (debug) fprintf(stdout, "auto: saving as %s\n", tpath); file_cp(fpath, tpath); unlink(fpath); free(fpath); free(tpath); /* * Free memory, session is over. */ if (brew->name) free(brew->name); if (brew->uuid_recipe) free(brew->uuid_recipe); if (brew->uuid_unit) free(brew->uuid_unit); free(brew); brew = NULL; } } else if (manual != MANUAL_NONE) { /* * Manual mode */ manual_menu(unit, seconds); if (manual == MANUAL_NONE) { /* * Rewrite the display */ prompt(101, NULL); /* " Brewco x.x.x " */ prompt(300, NULL); /* " " */ prompt(401, NULL); /* "--- MAN AUTO SETUP" */ } } else { /* * Not running. */ tempstatus(); key = keycheck(); if (key == KEY_ENTER) { setup(); prompt(101, NULL); /* " Brewco x.x.x " */ prompt(200, NULL); prompt(300, NULL); hlt_status(0); mlt_status(0); pump_status(0); prompt(401, NULL); /* "--- MAN AUTO SETUP" */ } else if (key == KEY_RETURN && ! brew) { int i, isOk = TRUE; char message[41]; tm = localtime(&now); snprintf(message, 40, "%04d%02d%02d-%02d%02d", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min); brew = (brew_session *)malloc(sizeof(brew_session)); brew->uuid_recipe = xstrcpy(choose_recipe()); brew->uuid_unit = xstrcpy(unit->uuid); brew->name = xstrcpy(message); brew->brewstep = STEP_NA; brew->mashstep = MASH_NA; brew->timeout = brew->boiltimer = 0; brew->starttime = brew->endtime = (time_t)0; /* * Now check if everything is sane */ if (strcmp(brew->uuid_recipe, (char *)"00000000-0000-0000-0000-000000000000") == 0) { isOk = FALSE; snprintf(message, Config.lcd_cols + 1, " No recipe selected "); if (debug) fprintf(stdout, "brew init: No recipe selected\n"); } if (isOk) { isOk = FALSE; for (recipe = recipes; recipe; recipe = recipe->next) { if (strcmp(recipe->uuid, brew->uuid_recipe) == 0) { isOk = TRUE; if (! recipe->boiltime) isOk = FALSE; for (i = 0; i < 8; i++) { if (! recipe->mash[i].skip && ! recipe->mash[i].setpoint) isOk = FALSE; } for (i = 0; i < 3; i++) { if (! recipe->hopstand[i].skip && recipe->hopstand[i].hold && (recipe->hopstand[i].setpoint == 0)) isOk = FALSE; } break; } } if (isOk == FALSE) { snprintf(message, Config.lcd_cols + 1, " Recipe error "); if (debug) fprintf(stdout, "brew init: recipe error\n"); } } if (debug) fprintf(stdout, "init brew: %s\n", isOk ? (char *)"Ok":(char *)"Error"); if (isOk) { wrsession(brew); } else { prompt(300, message); prompt(408, NULL); /* "--- --- Ok --- " */ key = keywait(); if (brew->name) free(brew->name); if (brew->uuid_recipe) free(brew->uuid_recipe); if (brew->uuid_unit) free(brew->uuid_unit); free(brew); brew = NULL; /* * Rewrite the display */ prompt(101, NULL); /* " Brewco x.x.x " */ prompt(300, NULL); /* " " */ prompt(401, NULL); /* "--- MAN AUTO SETUP" */ } } else if (key == KEY_DOWN) { manual = MANUAL_SELHLT; manual_prompt(); } } usleep(5000); /* 5 mSec */ } while (run); syslog(LOG_NOTICE, "Out of loop"); if (debug) fprintf(stdout, (char *)"Out of loop\n"); prompt(0, NULL); prompt(101, NULL); /* " Brewco x.x.x " */ prompt(302, NULL); /* " Shutting down " */ /* * Give threads time to cleanup */ usleep(1500000); prompt(0, NULL); setBacklight(0); if (sock != -1) { if (shutdown(sock, SHUT_RDWR)) { syslog(LOG_NOTICE, "Can't shutdown socket: %s", strerror(errno)); } sock = -1; } wrrecipes(); wrconfig(); ulockprog((char *)"brewco"); return 0; } int main(int argc, char *argv[]) { int rc = 0, c, i; char *homepath = NULL; while (1) { int option_index = 0; static struct option long_options[] = { {"debug", 0, 0, 'c'}, {"help", 0, 0, 'h'}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "dh", long_options, &option_index); if (c == -1) break; switch (c) { case 'd': debug = TRUE; break; case 'h': help(); return 1; } } openlog("brewco", LOG_PID|LOG_CONS|LOG_NOWAIT, LOG_USER); syslog(LOG_NOTICE, "mbsePi-apps brewco v%s starting", VERSION); if (debug) fprintf(stdout, "mbsePi-apps brewco v%s starting\n", VERSION); /* * Set home directory path */ if (getenv((char *)"USER") == NULL) { homepath = xstrcpy((char *)"/root"); } else { homepath = xstrcpy(getenv((char *)"HOME")); } varpath = xstrcpy(homepath); varpath = xstrcat(varpath, (char *)"/.brewco/var/"); etcpath = xstrcpy(homepath); etcpath = xstrcat(etcpath, (char *)"/.brewco/etc/"); mkdirs(varpath, 0755); mkdirs(etcpath, 0755); if (rdconfig()) { fprintf(stderr, "Error reading configuration\n"); syslog(LOG_NOTICE, "Error reading configuration: halted"); return 1; } if (debug) fprintf(stdout, "configuration loaded\n"); if (rdrecipes()) { fprintf(stderr, "Error reading recipes\n"); syslog(LOG_NOTICE, "Error reading recipes: halted"); return 1; } if (debug) fprintf(stdout, "recipes loaded\n"); /* * Catch all the signals we can, and ignore the rest. Note that SIGKILL can't be ignored * but that's live. This daemon should only be stopped by SIGTERM. * Don't catch SIGCHLD. */ for (i = 0; i < NSIG; i++) { if ((i != SIGCHLD) && (i != SIGKILL) && (i != SIGSTOP)) signal(i, (void (*))die); } #ifdef HAVE_WIRINGPI_H if (wiringPiSetup () ) return 1; #endif if ((rc = initLCD (Config.lcd_cols, Config.lcd_rows))) { fprintf(stderr, "Cannot initialize LCD display, rc=%d\n", rc); return 1; } rc = server(); syslog(LOG_NOTICE, "Finished, rc=%d", rc); if (debug) fprintf(stdout, "Finished, rc=%d\n", rc); return rc; }