diff -r 4eebab50993e -r 6d139c21e22c dht11/dht11.c
--- a/dht11/dht11.c	Sun Jul 15 14:08:19 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,201 +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 "../config.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdarg.h>
-#include <syslog.h>
-#include <unistd.h>
-
-#include "dht11.h"
-
-#ifdef HAVE_WIRINGPI_H
-#include <wiringPi.h>
-
-#define MAXTIMINGS 100
-
-int		dht11_pin = -1;
-int		dht11_temperature = -1;
-int		dht11_humidity = -1;
-int		dht11_valid = FALSE;
-int		dht11_t_offset = 0;
-int		dht11_h_offset = 0;
-
-
-
-static uint8_t sizecvt(const int read_value) {
-    /* 
-     * digitalRead() and friends from wiringpi are defined as returning a value
-     *            < 256. However, they are returned as int() types. This is a safety function 
-     */
-    if (read_value > 255 || read_value < 0) {
-	syslog(LOG_NOTICE, "invalid data from wiringPi library");
-    }
-		  
-    return (uint8_t)read_value;
-}
-
-
-
-/*
- * DHT11 sensor read. This should be used in a thread loop.
- */
-void dht11Read(void) {
-    int         	tries = 5;
-    unsigned short	got_correct_data = 0;
-
-    if (dht11_pin == -1)
-	return;
-
-    while (tries && !got_correct_data) {
-	uint8_t	laststate = HIGH;
-	uint8_t	counter = 0;
-	uint8_t	j = 0, i = 0;
-	int	dht11_dat[5] = {0,0,0,0,0};
-
-	/*
-	 * Select output mode to send the start signal.
-	 */
-	pinMode(dht11_pin, OUTPUT);                 
-	digitalWrite(dht11_pin, HIGH);
-	usleep(1000);
-
-	/*
-	 * Low for at least 18 milliseconds
-	 */
-	digitalWrite(dht11_pin, LOW);
-	usleep(20000);
-	digitalWrite(dht11_pin, HIGH);
-	pinMode(dht11_pin, INPUT);
-
-	/*
-	 * Detect change and read data
-	 */
-	for (i=0; i<MAXTIMINGS; i++) {
-	    counter = 0;
-	    delayMicroseconds(10);
-	    while (sizecvt(digitalRead(dht11_pin)) == laststate) {
-		counter++;
-		delayMicroseconds(1);
-		if (counter == 255) {
-		    break;
-		}
-	    }
-	    laststate = sizecvt(digitalRead(dht11_pin));
-
-	    if (counter == 255) 
-		break;
-
-	    /*
-	     * ignore first 3 transitions
-	     */
-	    if ((i >= 4) && (i%2 == 0)) {
-
-		// shove each bit into the storage bytes
-		dht11_dat[(int)((double)j/8)] <<= 1;
-		if (counter > 16)
-		    dht11_dat[(int)((double)j/8)] |= 1;
-		j++;
-	    }
-	}
-
-	/*
-	 * If there is no sensor, j = 0
-	 */
-	if ((counter == 255) && (j == 0)) {
-	    if (dht11_temperature != -1) {
-		syslog(LOG_NOTICE, "dht11 sensor disappeared");
-	    } else {
-		syslog(LOG_NOTICE, "dht11 sensor not present");
-	    }
-	    dht11_temperature = -1;
-	    dht11_humidity = -1;
-	    dht11_valid = FALSE;
-	    return;
-	} 
-
-	/*
-	 * check we read 40 bits (8bit x 5 ) + verify checksum in the last byte
-	 * print it out if data is good
-	 */
-	if ((j >= 40) && (dht11_dat[4] == ((dht11_dat[0] + dht11_dat[1] + dht11_dat[2] + dht11_dat[3]) & 0xFF))) {
-		got_correct_data = 1;
-
-		int h = dht11_dat[0] + dht11_dat[1];
-		int t = (dht11_dat[2] & 0x7F) + dht11_dat[3];
-		t += dht11_t_offset;
-		h += dht11_h_offset;
-
-		if ((dht11_dat[2] & 0x80) != 0) 
-		    t *= -1;
-
-		dht11_temperature = t;
-		dht11_humidity = h;
-		dht11_valid = TRUE;
-	} else {
-		tries--;
-		if (tries == 0)
-		    syslog(LOG_INFO, "dht11 data checksum was wrong 5 times");
-		usleep(100000);
-	}
-    }
-}
-
-
-
-void dht11Init(int pin, int t_offset, int h_offset) {
-    dht11_pin = pin;
-    dht11_t_offset = t_offset;
-    dht11_h_offset = h_offset;
-}
-
-
-
-int main(int argc, char *argv[]) {
-  
-    int PIN = 3;
-     
-    if (wiringPiSetup() == -1)
-	return 0;
-
-    dht11Init(PIN, 1, 6);
-    dht11Read();
-    if (dht11_valid) {
-	fprintf(stdout, "DHT11: temperature %d degrees, humidity %d%%\n", dht11_temperature, dht11_humidity);
-    } else {
-	fprintf(stdout, "DHT11: no valid data or sensor not connected\n");
-    }
-
-    exit(0);
-}
-
-#else
-
-int main(int argc, char *argv[]) {
-    fprintf(stderr, "This program does nothing without the wiringPi library\n");
-    return 0;
-}
-
-#endif
-