--- a/mash/sensors.c Sun Jul 15 14:08:19 2018 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,140 +0,0 @@
-/*****************************************************************************
- * Copyright (C) 2014
- *
- * 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 EC-65K; see the file COPYING. If not, write to the Free
- * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *****************************************************************************/
-
-#include "mash.h"
-#include "xutil.h"
-
-
-#ifdef HAVE_WIRINGPI_H
-
-/* wiringPi */
-#include <wiringPi.h>
-#include <pcf8574.h>
-#include <lcd.h>
-
-extern int debug;
-extern sys_config Config;
-extern int my_shutdown;
-
-
-
-PI_THREAD (my_sensors_loop)
-{
- w1_therm *tmp1, *old1;
- char *device, line[60], *p = NULL;
- FILE *fp;
- int temp, rc, deviation;
-
- syslog(LOG_NOTICE, "Thread my_sensors_loop started");
- if (debug)
- fprintf(stdout, "Thread my_sensors_loop started\n");
-
- /*
- * Loop forever until the external shutdown variable is set.
- */
- for (;;) {
- /*
- * Here send our 1-wire sensors values
- */
- for (tmp1 = Config.w1therms; tmp1; tmp1 = old1) {
- old1 = tmp1->next;
-
- if (my_shutdown) {
- syslog(LOG_NOTICE, "Thread my_sensors_loop stopped");
- if (debug)
- fprintf(stdout, "Thread my_sensors_loop stopped\n");
- return 0;
- }
-
- /*
- * Build path to the on-wire sensor
- */
- device = xstrcpy((char *)"/sys/bus/w1/devices/");
- device = xstrcat(device, tmp1->master);
- device = xstrcat(device, (char *)"/");
- device = xstrcat(device, tmp1->name);
- device = xstrcat(device, (char *)"/w1_slave");
-
- /*
- * Read sensor data
- */
- if ((fp = fopen(device, "r"))) {
- /*
- * The output looks like:
- * 72 01 4b 46 7f ff 0e 10 57 : crc=57 YES
- * 72 01 4b 46 7f ff 0e 10 57 t=23125
- */
- fgets(line, 50, fp);
- line[strlen(line)-1] = '\0';
- if ((line[36] == 'Y') && (line[37] == 'E')) {
- /*
- * CRC is Ok, continue
- */
- fgets(line, 50, fp);
- line[strlen(line)-1] = '\0';
- strtok(line, (char *)"=");
- p = strtok(NULL, (char *)"=");
- rc = sscanf(p, "%d", &temp);
- if ((rc == 1) && (tmp1->lastval != temp)) {
- /*
- * It is possible to have read errors or extreme values.
- * This can happen with bad connections so we compare the
- * value with the previous one. If the difference is too
- * much, we don't send that value. That also means that if
- * the next value is ok again, it will be marked invalid too.
- * Maximum error is 20 degrees for now.
- */
- deviation = 20000;
- if ( (tmp1->lastval == 0) ||
- (tmp1->lastval && (temp > (tmp1->lastval - deviation)) && (temp < (tmp1->lastval + deviation))) ) {
- /*
- * Temperature is changed and valid, set flag.
- */
- tmp1->update = TRUE;
- } else {
- syslog(LOG_NOTICE, "deviation error deviation=%d, old=%d new=%d", deviation, tmp1->lastval, temp);
- if (debug) {
- fprintf(stdout, "deviation error deviation=%d, old=%d new=%d\n", deviation, tmp1->lastval, temp);
- }
- }
- tmp1->lastval = temp;
- }
- } else {
- syslog(LOG_NOTICE, "sensor %s/%s CRC error", tmp1->master, tmp1->name);
- }
- fclose(fp);
- tmp1->present = 1;
- } else {
- tmp1->present = 0;
- if (debug)
- printf("sensor %s is missing\n", tmp1->name);
- }
-
- free(device);
- device = NULL;
- }
- }
-}
-
-
-
-#endif