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piklab/test/sdcc/blinker_sdcc250.c

36 lines
597 B

#define __16F873
#include "sdcc250_pic16f873.h"
typedef unsigned int word;
word at 0x2007 CONFIG = _CP_OFF & _WDT_OFF & _BODEN_ON & \
_PWRTE_ON & _HS_OSC & _WRT_ENABLE_ON & \
_LVP_OFF & _DEBUG_OFF & _CPD_OFF;
unsigned char count, x = 2;
unsigned char ms_delay;
void Intr() interrupt 0 {
ms_delay++;
PIR1 = 0;
PEIE = 1;
}
void main() {
NOT_RBPU = 0;
T2CON = 0x7f;
GIE = 1;
PEIE = 1;
//INTCON=0xc0;
PIR1 = 0;
PIE1 = 2;
PR2 = 200;
TRISB = 0;
ms_delay = 0;
while(1) {
count = ms_delay;
x = PIE1;
PORTB = (count & 0xf0) | (x & 0xf);
}
}