#include #include static volatile int has_ticked = 0; int callback(volatile void *arg) { volatile int *has_ticked = arg; *has_ticked = 1; return 0; } void initRefreshTimer() { timer_setup(0, timer_delay(0, 50000), timer_Po_4, callback, &has_ticked); timer_start(0); } void quitRefreshTimer() { timer_stop(0); } void waitNextFrame() { while (1) { if (has_ticked) { has_ticked=0; return; } sleep(); } }