Tue, 22 Dec 2015 15:59:26 +0100
Manual mode now uses the PID's. The display shows heating percentage and the setpoints alternated very 2 seconds.
/***************************************************************************** * 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 "util.h" #include "slcd.h" extern int slcdHandle; /* * Make directory tree, the name must end with a / */ int mkdirs(char *name, mode_t mode) { char buf[PATH_MAX], *p, *q; int last = 0, oldmask; memset(&buf, 0, sizeof(buf)); strncpy(buf, name, sizeof(buf)-1); buf[sizeof(buf)-1] = '\0'; p = buf+1; oldmask = umask(000); while ((q = strchr(p, '/'))) { *q = '\0'; mkdir(buf, mode); last = errno; *q = '/'; p = q+1; } umask(oldmask); if ((last == 0) || (last == EEXIST)) { return TRUE; } else { syslog(LOG_NOTICE, "mkdirs(%s)", name); return FALSE; } } /* * Test if the given file exists. The second option is: * R_OK - test for Read rights * W_OK - test for Write rights * X_OK - test for eXecute rights * F_OK - test file presence only */ int file_exist(char *path, int mode) { if (access(path, mode) != 0) return errno; return 0; } /* * Buffered filecopy, filetime is preserved. */ int file_cp(char *from, char *to) { char *line; FILE *stfrom, *stto; int dummy, bread; static int error; struct stat sb; struct utimbuf ut; stfrom = fopen(from, "r"); if (stfrom == NULL) return errno; stto = fopen(to, "w"); if (stto == NULL) { error = errno; fclose(stfrom); return error; } line = malloc(16384); do { bread = fread(line, 1, 16384, stfrom); dummy = fwrite(line, 1, bread, stto); if (bread != dummy) { error = errno; fclose(stfrom); fclose(stto); unlink(to); free(line); return error; } } while (bread != 0); free(line); fclose(stfrom); if (fclose(stto) != 0) { error = errno; unlink(to); return error; } /* * copy successfull, now copy file- and modification-time */ if (stat(from, &sb) == 0) { ut.actime = mktime(localtime(&sb.st_atime)); ut.modtime = mktime(localtime(&sb.st_mtime)); if (utime(to, &ut) != 0) { error = errno; unlink(to); return error; } chmod(to, sb.st_mode); } return 0; } long millis(void) { struct timespec now; clock_gettime(CLOCK_REALTIME , &now); return ((now.tv_sec * 1000000000) + now.tv_nsec) / 1000000; } void hlt_status(int value) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 0, 1); #endif slcdPosition(slcdHandle, 0, 1); if (value) { #ifdef HAVE_WIRINGPI_H lcdPutchar(lcdHandle, 5); #endif slcdPutchar(slcdHandle, 5); } else { #ifdef HAVE_WIRINGPI_H lcdPutchar(lcdHandle, 6); #endif slcdPutchar(slcdHandle, 6); } #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_LCD); #endif } void mlt_status(int value) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 18, 1); #endif slcdPosition(slcdHandle, 18, 1); if (value) { #ifdef HAVE_WIRINGPI_H lcdPutchar(lcdHandle, 5); #endif slcdPutchar(slcdHandle, 5); } else { #ifdef HAVE_WIRINGPI_H lcdPutchar(lcdHandle, 6); #endif slcdPutchar(slcdHandle, 6); } #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_LCD); #endif } void pump_status(int value) { #ifdef HAVE_WIRINGPI_H piLock(LOCK_LCD); lcdPosition(lcdHandle, 19, 1); #endif slcdPosition(slcdHandle, 19, 1); if (value) { #ifdef HAVE_WIRINGPI_H lcdPutchar(lcdHandle, 3); #endif slcdPutchar(slcdHandle, 3); } else { #ifdef HAVE_WIRINGPI_H lcdPutchar(lcdHandle, 4); #endif slcdPutchar(slcdHandle, 4); } #ifdef HAVE_WIRINGPI_H piUnlock(LOCK_LCD); #endif } /* From ArdBir */ float Arrotonda025(float Num){ // Appoggio la parte intera int Appoggio= (int)Num; // Arrotondo il valore con peso 0.25 return Appoggio+(int)((Num-Appoggio)*1000/225)*0.25; } float ConvertiCtoF(float Num){ Num = Num/16; // Recupero il valore Num = (Num*1.8)+32; // Converto in °F Num = Arrotonda025(Num); return Num*16; // Preparo il valore per la registrazione } float ConvertiFtoC(float Num){ Num = Num/16; // Recupero il valore Num = (Num-32)/1.8; // Converto in °C Num = Arrotonda025(Num); return Num*16; // Preparo il valore per la registrazione }