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#ifndef TIME_H
#define TIME_H
#include "stm32.h"
#include "interrupt.h"
#include "thread.h"
class Time {
friend void interrupt<Interrupt::SysTick>();
private:
static volatile uint32_t systime;
public:
static void init() {
STK.LOAD = 72000000 / 8 / 1000; // 1000 Hz.
STK.CTRL = 0x03;
}
inline static void sleep(uint32_t ms) {
ms += systime;
while(systime < ms) {
Thread::yield();
}
}
};
#endif
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