synchronize scheduler, now it works

time.c

@@ -1,30 +1,16 @@
 #include <msp430g2553.h>
-#include <stdint.h>
 
 #include "time.h"
 #include "PontCoopScheduler.h"
 
 
-volatile uint32_t timestamp;
-
 void __attribute__ ((interrupt (TIMER0_A0_VECTOR))) 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);
-}