void _int_(27) isr_adc(void){
int *p = (int *)(&ADC1BUF0);
int i, media = 0;
for(i=0; i<SAMPLES; i++){
media += p[i*4];
}
media /= SAMPLES;
if(media > 0x299){
T1CONbits.TON = 1;
OC1CONbits.ON = 0;
}else{
T1CONbits.TON = 0;
OC1CONbits.ON = 1;
LATE = (LATE & 0xF0);
}
adc_percentage = (media*100)/1023;
printInt10(adc_percentage);
putChar('\n');
AD1CON1bits.ASAM = 1;
IFS1bits.AD1IF = 0;
}
void main(void) {
spi2_init();
spi2_setClock(EEPROM_CLOCK);
for(;;) {
printInt10(eeprom_readStatus() & 0x0F);
putChar('\n');
}
}
int main(void){
while(1){
int temperature;
if(getTemperature(&temperature) == 0){
printInt10(temperature);
printStr("\e[G");
}
delay(250);
}
int main(void) {
// Configure A/D module;
int i = 0, V = 0;
double average = 0;
double sum = 0;
TRISBbits.TRISB14 = 1; // RB4 digital output disconnected
AD1PCFGbits.PCFG14 = 0; // RB4 configured as analog input (AN4)
AD1CON1bits.SSRC = 7; // Conversion trigger selection bits: in this // modeaninternalcounterendssamplingand
AD1CON1bits.CLRASAM = 1; // Stop conversions when the 1st A/D converter
AD1CON1bits.ON = 1;
AD1CON3bits.SAMC = 16; // Sample time is 16 TAD (TAD = 100 ns)
AD1CHSbits.CH0SA = 14;
AD1CON2bits.SMPI = 3; // uma conversao consecutiva
while(1){
delay(10); // Wait 10 ms using the core timer
if(i++ == 25) // 250 ms
{
AD1CON1bits.ASAM = 1; // Start conversion
while(IFS1bits.AD1IF == 0 );// Wait while conversion not done (AD1IF == 0)
int *p = (int *)(&ADC1BUF0);
for( i = 0; i < 16; i++ ){
printInt10(p[i*4]);
sum += p[i*4];
printStr("\n");
}
average = sum/4;
printf("%s %f","Média dos valores lidos: ", average );
V = (average*33+511)/1023;
printStr("\n");
printf("%s %d","Tensão: ", V );
i = 0; sum = 0; average = 0;
IFS1bits.AD1IF = 0; // Reset AD1IF
V = toBCD(V);
}
send2displays(V);
}
return 0;
// Consoante o número de conversões consecutivas, aparecerão os valores até 15 conversões consecutivas
}
void send2displays(unsigned char value) {
if (c < 3 || c > 8)
displayFlag = 1;
else
displayFlag = 0;
printInt10(value);
putChar('\n');
if (!displayFlag)
LATB = (LATB & 0xFC00) | snakeCodes[value] | 0x0200;
else
LATB = (LATB & 0xFC00) | snakeCodes[value] | 0x0100;
}
int main(void) {
int delay;
int ack, temperature;
i2c1_init(TC74_CLK_FREQ);
while(1) {
//start event
i2c1_start();
//send write addr
ack = i2c1_send(ADDR_WR);
//command (read temp)
i2c1_send(RTR);
//start event
i2c1_start();
//send read addr
ack += i2c1_send(ADDR_RD);
//printInt10(ack);
if (ack != 0) {
i2c1_stop();
printStr("An error has ocurred, exiting.\n");
} else {
printStr("\nReading temperature: ");
temperature = i2c1_receive(I2C_NACK);
i2c1_stop();
printInt10(temperature);
}
//delay 250ms
delay = readCoreTimer();
while (readCoreTimer() - delay < 5000000);
}
return 0;
}
