completed clock class

Software/src/clock.cpp

@@ -7,9 +7,11 @@
 
 #include "openChargeMicro.h"
 
-uint32_t systemTime;
+uint32_t systemTime; // 0 to 4294967295 sec
 
+/* Only call once */
 clock::clock() {
+	//TODO Singleton
 	systemTime = 0;
 	clock_init();
 	serialSend("init clock\r\n");
@@ -21,28 +23,47 @@ clock::~clock() {
 
 void clock::clock_init() {
 	OCR1A = 0x3D08; // --> 1 sec
-
 	TCCR1B |= (1 << WGM12);
 	// Mode 4, CTC on OCR1A
-
 	TIMSK1 |= (1 << OCIE1A);
 	//Set interrupt on compare match
-
 	TCCR1B |= (1 << CS12) | (1 << CS10);
 	// set prescaler to 1024 and start the timer
-
-	sei();
+	sei(); //enable interrupts
 }
+/* get seconds since boot*/
 uint32_t clock::getTime() {
-
 	return systemTime;
 }
 
+/* get time struct since time stamp */
 struct time_t clock::getTime(struct time_t pTime) {
 
 	struct time_t ret;
 
-	ret.seconds = getTime() - pTime.seconds;
+	ret.seconds = (getTime() - pTime.seconds);
+	ret.diffSecond = ret.seconds;
+	ret.diffMinute = 0;
+	ret.diffHour = 0;
+
+	while (ret.diffSecond > 59) {
+		ret.diffSecond = ret.diffSecond - 60;
+		ret.diffMinute++;
+	}
+
+	while (ret.diffMinute > 59) {
+		ret.diffMinute = ret.diffMinute - 60;
+		ret.diffHour++;
+	}
+
+	return ret;
+}
+
+/* get time struct as time stamp */
+struct time_t clock::getTimeStamp() {
+	struct time_t ret;
+
+	ret.seconds = getTime();
 	ret.diffSecond = ret.seconds;
 	ret.diffMinute = 0;
 	ret.diffHour = 0;
@@ -62,7 +83,7 @@ struct time_t clock::getTime(struct time_t pTime) {
 
 ISR (TIMER1_COMPA_vect) {
 	// action to be done every 1 sec
-	systemTime++;
+	systemTime++; //increase system time
 }
 
 ISR(__vector_default) {

Software/src/clock.h

@@ -25,6 +25,7 @@ public:
 	~clock();
 	uint32_t getTime(); //time in sec since boot
 	struct time_t getTime(struct time_t pTime); //time in sec since time stamp
+	struct time_t getTimeStamp(); // returns a timestamp
 
 };
 

Software/src/main.cpp

@@ -11,20 +11,40 @@ int main(void) {
 	ioController io;
 
 	io.deactivateChargers();
-
-	//_delay_ms(1000); //Startup delay
-
 	io.setActiveLED(true);
 	io.activateChargers();
 
+	char charVal[10];
 
+	time_t ts01 = clk.getTimeStamp();
+
+	dtostrf(ts01.seconds, 4, 0, charVal);
+	serialSend(charVal);
+	serialSend(" s (stamp)\r\n");
 
 	while (1) {
-		char charVal[10];
-		dtostrf(clk.getTime(), 4, 2, charVal);
-		serialSend("Time - ");
-		serialSend(charVal);
-		serialSend(" sec\r\n");
+
+		if (((int) clk.getTime() % 10) == 0) {
+
+			time_t ts02 = clk.getTime(ts01);
+
+			dtostrf(ts02.diffHour, 4, 0, charVal);
+			serialSend(charVal);
+			serialSend(" hour\r\n");
+
+			dtostrf(ts02.diffMinute, 4, 0, charVal);
+			serialSend(charVal);
+			serialSend(" minute\r\n");
+
+			dtostrf(ts02.diffSecond, 4, 0, charVal);
+			serialSend(charVal);
+			serialSend(" sec\r\n");
+
+			dtostrf(ts02.seconds, 4, 0, charVal);
+			serialSend(charVal);
+			serialSend(" sec (since beginning of stamp)\r\n");
+
+		}
 	}
 
 	//void test();