initial

src/main.cpp

@@ -0,0 +1,30 @@
+/*
+ * main.cpp
+ *
+ *  Created on: 16. 01. 2016
+ *      Author: wn
+ */
+
+#include <msp430g2553.h>
+#include <stdint.h>
+#include <intrinsics.h>
+#include <isr_compat.h>
+
+#include "time.h"
+
+
+
+int main() {
+  WDTCTL = WDTPW | WDTHOLD;
+
+
+  timeInit();
+
+
+  __enable_interrupt();
+
+  while (1) {
+  }
+}
+
+

src/time.cpp

@@ -0,0 +1,80 @@
+/*
+ * time.c
+ *
+ *  Created on: 20.05.2014
+ *      Author: wn
+ */
+#include <msp430g2553.h>
+#include <isr_compat.h>
+#include <stdint.h>
+
+#include "time.h"
+
+
+volatile uint16_t timestamp;
+const uint16_t TICK = 1024;
+uint16_t pwmVal = 128;
+volatile uint16_t onTime = 500;
+volatile uint16_t offTime = 200;
+
+ISR(TIMER0_A0, TA0_ISR) {
+	static uint8_t state0 = 0;
+	static uint8_t state1 = 0;
+
+	switch (state0) {
+	case 0:
+		P1OUT |= BIT0;
+		state0 = 1;
+		break;
+	case 1:
+		P1OUT &= ~BIT0;
+		state0 = 0;
+		break;
+	default:
+		state0 = 0;
+	}
+
+	timestamp++;
+	switch (state1) {
+	case 0:
+		if (timestamp >= onTime) {
+			timestamp = 0;
+			P1OUT |= BIT1;
+			P1SEL &= ~BIT6;
+			P1OUT &= ~BIT6;
+			state1 = 1;
+		}
+		break;
+	case 1:
+		if (timestamp >= offTime) {
+			timestamp = 0;
+			P1OUT &= ~BIT1;
+			P1SEL |= BIT6;
+			state1 = 0;
+		}
+		break;
+	default:
+		state1 = 0;
+	}
+
+
+}
+
+
+void timeInit() {
+	timestamp = 0;
+
+	P1DIR |= BIT0 | BIT1 | BIT6;
+	P1OUT = 0;
+	P1SEL |= BIT6;
+
+	TACCR0 = TICK;
+	TACCR1 = pwmVal;
+
+	TACCTL0 = CCIE;
+	TACCTL1 = OUTMOD_7;
+	TACTL = MC_1 | ID_0 | TASSEL_2 | TACLR | TAIE;
+}
+
+
+

src/time.h

@@ -0,0 +1,18 @@
+/*
+ * time.h
+ *
+ *  Created on: 20.05.2014
+ *      Author: wn
+ */
+
+#ifndef TIME_H_
+#define TIME_H_
+
+
+
+void timeInit();
+
+
+
+
+#endif /* TIME_H_ */