change file name linux.h linux.cpp to Timer.h Timer.cpp

MQTTSNGateway/src/linux/Timer.cpp

@@ -0,0 +1,222 @@
+/**************************************************************************************
+ * Copyright (c) 2016, Tomoaki Yamaguchi
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompany this distribution.
+ *
+ * The Eclipse Public License is available at
+ *    http://www.eclipse.org/legal/epl-v10.html
+ * and the Eclipse Distribution License is available at
+ *   http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * Contributors:
+ *    Tomoaki Yamaguchi - initial API and implementation and/or initial documentation
+ **************************************************************************************/
+
+#include <stdio.h>
+#include <time.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include "Timer.h"
+#include "MQTTSNGWDefines.h"
+
+using namespace std;
+using namespace MQTTSNGW;
+
+/*=====================================
+ Print Current Date & Time
+ =====================================*/
+char theCurrentTime[32];
+
+char* currentDateTime()
+{
+	struct timeval now;
+	struct tm tstruct;
+	gettimeofday(&now, 0);
+	tstruct = *localtime(&now.tv_sec);
+	strftime(theCurrentTime, sizeof(theCurrentTime), "%Y%m%d %H%M%S", &tstruct);
+	sprintf(theCurrentTime + 15, " %03d", (int)now.tv_usec / 1000 );
+	return theCurrentTime;
+}
+
+/*============================================
+ Timer
+ ============================================*/
+Timer::Timer(void)
+{
+	stop();
+}
+
+Timer::~Timer(void)
+{
+
+}
+
+void Timer::start(uint32_t msecs)
+{
+	gettimeofday(&_startTime, 0);
+	_millis = msecs;
+}
+
+bool Timer::isTimeup(void)
+{
+	return isTimeup(_millis);
+}
+
+bool Timer::isTimeup(uint32_t msecs)
+{
+	struct timeval curTime;
+	long secs, usecs;
+	if (_startTime.tv_sec == 0)
+	{
+		return false;
+	}
+	else
+	{
+		gettimeofday(&curTime, 0);
+		secs = (curTime.tv_sec - _startTime.tv_sec) * 1000;
+		usecs = (curTime.tv_usec - _startTime.tv_usec) / 1000.0;
+		return ((secs + usecs) > (long) msecs);
+	}
+}
+
+void Timer::stop()
+{
+	_startTime.tv_sec = 0;
+	_millis = 0;
+}
+
+/*=====================================
+Class LightIndicator
+=====================================*/
+
+LightIndicator::LightIndicator()
+{
+	_greenStatus = false;
+	for ( int i = 0; i <= MAX_GPIO; i++)
+	{
+		_gpio[i] = 0;
+	}
+	init();
+}
+
+LightIndicator::~LightIndicator()
+{
+	for ( int i = 0; i <= MAX_GPIO; i++)
+	{
+		if ( _gpio[i] )
+		{
+			close( _gpio[i]);
+		}
+	}
+}
+
+void LightIndicator::greenLight(bool on)
+{
+	if (on)
+	{
+		if (!_greenStatus)
+		{
+			_greenStatus = true;
+			//Turn Green on & turn Red off
+			lit(LIGHT_INDICATOR_GREEN, "1");
+			lit(LIGHT_INDICATOR_RED, "0");
+		}
+	}
+	else
+	{
+		if (_greenStatus)
+		{
+			_greenStatus = false;
+			//Turn Green off & turn Red on
+			lit(LIGHT_INDICATOR_GREEN, "0");
+			lit(LIGHT_INDICATOR_RED, "1");
+		}
+	}
+}
+void LightIndicator::blueLight(bool on)
+{
+	if (on)
+	{
+		lit(LIGHT_INDICATOR_BLUE, "1");
+		if ( !_greenStatus )
+		{
+			greenLight(true);
+		}
+	}
+	else
+	{
+		lit(LIGHT_INDICATOR_BLUE, "0");
+	}
+}
+
+void LightIndicator::redLight(bool on)
+{
+	if (on)
+	{
+		lit(LIGHT_INDICATOR_RED, "1");
+	}
+	else
+	{
+		lit(LIGHT_INDICATOR_RED, "0");
+	}
+}
+
+void LightIndicator::allLightOff(void)
+{
+	lit(LIGHT_INDICATOR_RED, "0");
+	lit(LIGHT_INDICATOR_BLUE, "0");
+	lit(LIGHT_INDICATOR_GREEN, "0");
+	_greenStatus = false;
+}
+
+void LightIndicator::init()
+{
+	pinMode(LIGHT_INDICATOR_GREEN);
+	pinMode(LIGHT_INDICATOR_RED);
+	pinMode(LIGHT_INDICATOR_BLUE);
+}
+
+void LightIndicator::lit(int gpioNo, const char* onoff)
+{
+	if( _gpio[gpioNo] )
+	{
+		write(_gpio[gpioNo], onoff, 1);
+	}
+}
+
+void LightIndicator::pinMode(int gpioNo)
+{
+	 int fd = open("/sys/class/gpio/export", O_WRONLY);
+	if ( fd < 0 )
+	{
+		return;
+	}
+	char no[4];
+	sprintf(no,"%d", gpioNo);
+	write(fd, no, strlen(no));
+	close(fd);
+
+	char fileName[64];
+	sprintf( fileName, "/sys/class/gpio/gpio%d/direction", gpioNo);
+
+	fd = open(fileName, O_WRONLY);
+	if ( fd < 0 )
+	{
+		return;
+	}
+	write(fd,"out", 3);
+	close(fd);
+
+	sprintf( fileName, "/sys/class/gpio/gpio%d/value", gpioNo);
+	fd = open(fileName, O_WRONLY);
+	if ( fd > 0 )
+	{
+		_gpio[gpioNo] = fd;
+	}
+}
+
+