?? delay.c
字號:
#include <p33FJ64GP306.h>
unsigned int temp_count;
void Delay8Tcy(void) // short delay for LCD E signal, etc
{
Nop();
Nop();
Nop();
Nop();
Nop();
Nop();
Nop();
Nop();
return;
}
// long delay. Delay_Us(1) = about 100us
void Delay_Us( unsigned int delayUs_count )
{
temp_count = delayUs_count +1;
asm volatile("outer1: dec _temp_count");
asm volatile("cp0 _temp_count");
asm volatile("bra z, done1");
asm volatile("do #1500, inner1" );
asm volatile("nop");
asm volatile("inner1: nop");
asm volatile("bra outer1");
asm volatile("done1:");
}
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