initial

src/main.c

@@ -0,0 +1,37 @@
+/*
+ * main.c
+ *
+ *  Created on: 19.09.2016
+ *      Author: wn
+ */
+
+#include <msp430g2553.h>
+#include <stdint.h>
+#include <intrinsics.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include "time.h"
+
+
+
+int main() {
+  WDTCTL = WDTPW | WDTHOLD;
+
+  // highest possible system clock
+  DCOCTL = DCO0 | DCO1 | DCO2;
+  BCSCTL1 = XT2OFF | RSEL0 | RSEL1 | RSEL2 | RSEL3;
+  BCSCTL2 = 0;
+  BCSCTL3 = 0;
+
+
+  timeInit();
+
+  __enable_interrupt();
+
+  while (1) {
+  }
+}
+
+
+

src/time.c

@@ -0,0 +1,38 @@
+/*
+ * time.c
+ *
+ *  Created on: 20.05.2014
+ *      Author: wn
+ */
+
+#include <msp430g2553.h>
+#include <isr_compat.h>
+#include <stdint.h>
+
+#include "time.h"
+#include "PontCoopScheduler.h"
+
+
+volatile uint32_t timestamp;
+
+ISR(TIMER0_A0, TA0_ISR) {
+  timestamp++;
+  schUpdate();
+}
+
+void timeInit() {
+  timestamp = 0;
+
+  TACCR0 = 32;
+  TACCTL0 = CCIE;
+  TACTL = MC_1 | ID_0 | TASSEL_1 | TACLR;
+}
+
+uint32_t getMillis() {
+  return timestamp;
+}
+
+void ms_active_delay(uint16_t delay) {
+  uint32_t start = timestamp;
+  while (start + delay > timestamp);
+}

src/time.h

@@ -0,0 +1,19 @@
+/*
+ * time.h
+ *
+ *  Created on: 20.05.2014
+ *      Author: wn
+ */
+
+#ifndef TIME_H_
+#define TIME_H_
+
+#include <stdint.h>
+
+void timeInit();
+uint32_t getMillis();
+void ms_active_delay(uint16_t delay);
+
+
+
+#endif /* TIME_H_ */