C Code for Interfacing Delay routine for PIC 16F87X
Posted: Sat Oct 24, 2009 9:47 am
delay.h- (4.89 KiB) Downloaded 339 times
- always.h
- (6.39 KiB) Downloaded 331 times
#ifndef __DELAY_C
#define __DELAY_C
#include <pic.h>
#include "always.h"
unsigned char delayus_variable;
#include "delay.h"
void DelayBigUs(unsigned int cnt)
{
unsigned char i;
i = (unsigned char)(cnt>>8);
while(i>=1)
{
i--;
DelayUs(253);
CLRWDT();
}
DelayUs((unsigned char)(cnt & 0xFF));
}
void DelayMs(unsigned char cnt)
{
unsigned char i;
do {
i = 4;
do {
DelayUs(250);
CLRWDT();
} while(--i);
} while(--cnt);
}
//this copy is for the interrupt function
void DelayMs_interrupt(unsigned char cnt)
{
unsigned char i;
do {
i = 4;
do {
DelayUs(250);
} while(--i);
} while(--cnt);
}
void DelayBigMs(unsigned int cnt)
{
unsigned char i;
do {
i = 4;
do {
DelayUs(250);
CLRWDT();
} while(--i);
} while(--cnt);
}
void DelayS(unsigned char cnt)
{
unsigned char i;
do {
i = 4;
do {
DelayMs(250);
CLRWDT();
} while(--i);
} while(--cnt);
}
#endif