?? delay.c
字號:
#include <cycle_count_bf.h>
//local includes
#include "delay.h"
/// wait 1ms * pa_nMsec using the cycle counters
void bs_delay(unsigned short pa_nMsec) {
unsigned long cclk, sclk, vco;
adi_pwr_GetFreq(&cclk, &sclk, &vco);
unsigned long long int cur = 0;
unsigned long long int nd = 0;
_GET_CYCLE_COUNT(cur);
nd = cur + pa_nMsec * 1000 * cclk;
while (cur < nd) {
_GET_CYCLE_COUNT(cur);
}
}
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