uaveiro-leci/2ano/2semestre/ac2/aula05/part1.c

45 lines
972 B
C

#include <detpic32.h>
const unsigned int dis7Scodes[] = {0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D,
0xFD, 0x07, 0x7F, 0x6F, 0x77, 0xFC,
0x39, 0x5E, 0xF9, 0xF1};
typedef enum { HIGH, LOW } flag;
void send2displays(unsigned char value) {
static flag f = LOW;
if (f == HIGH) {
LATD = (LATD & 0xFF9F) | 0x0040;
LATB = (LATB & 0x80FF) | dis7Scodes[value >> 4] << 8;
f = LOW;
} else {
LATD = (LATD & 0xFF9F) | 0x0020;
LATB = (LATB & 0x80FF) | dis7Scodes[value & 0x0F] << 8;
f = HIGH;
}
}
void delay(unsigned int ms) {
resetCoreTimer();
while (readCoreTimer() < ms * 20000);
}
int main() {
TRISB &= 0x80FF;
TRISD &= 0xFF9F;
int counter = 0;
while (1) {
int i = 0;
do {
send2displays(counter % 255);
delay(10);
} while (++i < 20);
counter++;
}
return 0;
}