initial

src/main.cpp

@@ -0,0 +1,55 @@
+/*
+ * main.cpp
+ *
+ *  Created on: 30.05.2014
+ *      Author: wn
+ */
+
+#include <msp430g2553.h>
+#include <stdint.h>
+#include <intrinsics.h>
+#include <isr_compat.h>
+
+void delay(uint16_t c) {
+  volatile uint16_t i = c;
+  while (i--);
+}
+
+/*
+#pragma vector = TIMER0_A0_VECTOR
+__interrupt void TA0_ISR() {
+*/
+ISR(TIMER0_A0, TA0_ISR) {
+  static uint8_t state = 0;
+
+  switch (state) {
+  case 0:
+    P1OUT = BIT0;
+    state = 1;
+    break;
+  case 1:
+    P1OUT = BIT6;
+    state = 0;
+    break;
+  default:
+    state = 0;
+  }
+}
+
+int main() {
+  WDTCTL = WDTPW | WDTHOLD;
+
+  P1DIR |= BIT6 | BIT0;
+  P1OUT = 0;
+
+  TACCR0 = 49999;
+  TACCTL0 = CCIE;
+  TACTL = MC_1 | ID_3 | TASSEL_2 | TACLR;
+  __enable_interrupt();
+
+  while (1) {
+    __bis_status_register(LPM0_bits);
+  }
+}
+
+