Make reading the global ms tick atomic in order to prevent glitches

This commit is contained in:
2020-06-01 20:45:27 +02:00
parent 1751db31c5
commit f956968cb4
2 changed files with 8 additions and 2 deletions

View File

@@ -43,7 +43,13 @@ void systick_wait_ms(uint32_t ms)
uint64_t systick_get_global_tick()
{
return global_tick_ms;
uint64_t temp;
__disable_irq();
temp = global_tick_ms;
__enable_irq();
return temp;
}
bool __attribute__((optimize("O3"))) systick_ticks_have_passed(uint64_t start_timestamp, uint64_t ticks)