void _int_(27) isr_adc(void){
AD1CON1bits.ASAM = 1; // Start conversion
delay(10);
if(j++ == 20){
sum = 0;
V = 0;
AD1CON1bits.ASAM = 1; // Start conversion
while( IFS1bits.AD1IF == 0 ); // Wait while conversion not done
int *p = (int *)(&ADC1BUF0);
for( i = 0; i < 4; i++ )
{
sum += p[i*4];
printf("%d\n", p[i*4]);
}
V=((sum/4)*50+511)/1023;
j = 0;
}
send2displays(toBcd(V));
IFS1bits.AD1IF = 0;
}
int main(void){
//ADC
TRISBbits.TRISB14 = 1;
AD1CON1bits.SSRC = 7;
AD1CON1bits.CLRASAM = 1;
AD1CON3bits.SAMC = 16;
AD1PCFGbits.PCFG4 = 0;
AD1CHSbits.CH0SA = 14;
AD1CON2bits.SMPI = 3;
AD1CON1bits.ON = 1;
AD1CON1bits.ASAM = 1;
while(1){
AD1CON1bits.ASAM = 1; // Start conversion
while(IFS1bits.AD1IF == 0 );// Wait while conversion not done (AD1IF == 0)
delay(7);
if(j++ == 57)
{
int *p = (int *)(&ADC1BUF0);
for( i = 0; i < 16; i++ ){
sum += p[i*4];
}
V=((sum/4)*33+511)/1023;
printf("%d\n", V);
j = 0;
sum = 0;
}
send2displays(toBcd(V)); // Send voltage value to displays
};
}
int main(void){
int v=0,i=0;
TRISE = TRISE | 0xF0;
TRISBbits.TRISB14=1;
AD1PCFGbits.PCFG14=0;
AD1CON1bits.SSRC = 7;
AD1CON1bits.CLRASAM = 1;
AD1CON3bits.SAMC = 16;
AD1CON2bits.SMPI = 0;
AD1CHSbits.CH0SA = 14;
AD1CON1bits.ON = 1;
while(1){
AD1CON1bits.ASAM = 1; // Start conversion
while( IFS1bits.AD1IF == 0 ); // Wait while conversion not done
IFS1bits.AD1IF = 1;
adc_val=ADC1BUF0;
v=(((adc_val*66)+33)/1024)-9;
printf("test: %d\n", v);
i=0;
if(v<0){
do{
delay(5);
send2displays(toBcd((char)v));
}while(++i <4);
delay(500);
LATBbits.LATB8=0;
LATBbits.LATB9=0;
delay(500);
}else{
do{
delay(5);
send2displays(toBcd((char)v));
}while(++i <4);
}
}
return 0;
}
void _int_(24) isr_uart1(void){
// esta função é chamada quer seja pela receção, quer pela transmissão
if(IFS0bits.U1RXIF){
char c = U1RXREG;
if(c == 'A'){
AD1CON1bits.ASAM = 1;
}else if( c == 'D'){
T4CONbits.TON = 1;
x = V;
}else if( c == 'E'){
putc('0' + ((toBcd(V) & 0xF0)>>4));
putc('0' + (toBcd(V) & 0x0F));
}else if( c == 'P'){
// Timer 3
void _int_(12) isr_T3(void) {
unsigned char val = toBcd(value2displays);
// Send "value2display" global variable to displays
send2displays(val);
if (readMode() != 2)
send2dots(0x0010);
// Send "value2displays" global variable to PC through UART1
if (counter++ >= 99) {
putc(((val & 0x0F0) >> 4) + 48);
putc('.');
putc((val & 0x0F) + 48);
putc('\n');
counter = 0;
}
void _int_(27) isr_adc(void){
int *p = (int *)(&ADC1BUF0);
int i, media = 0, v = 0;
for(i=0; i<8; i++){
media += p[i*4];
v += (p[i*4]*33+511)/1023;
}
media /= 8;
v /= 8;
value2display = toBcd(v);
IFS1bits.AD1IF = 0;
}
void Clock::setDateTime(DateTime& dateTime)
{
wire.beginTransmission(CLOCK_ADDR);
wire.write(0x00); // tell clock to start writing at register 0;
wire.write(toBcd(dateTime.seconds));
wire.write(toBcd(dateTime.minutes));
wire.write(toBcd(dateTime.hours));
wire.write(dateTime.wday);
wire.write(toBcd(dateTime.day));
wire.write(toBcd(dateTime.month));
wire.write(toBcd(dateTime.year - 2000));
wire.endTransmission();
}
int main(void) {
unsigned int i = 0;
initADC();
EnableInterrupts();
// Configure displays as outputs
TRISB = TRISB & 0xFC00;
while (1) {
delay(10);
if (i++ == 2) {
AD1CON1bits.ASAM = 1;
i = 0;
}
send2displays(toBcd(value2displays));
}
return 0;
}
int main(void) {
unsigned int i = 0;
unsigned int value = 0;
int* p;
initADC();
TRISB = TRISB & 0xFC00;
while (1) {
delay(10); // Displays refresh rate = 100Hz
if (i++ == 2) {
AD1CON1bits.ASAM = 1;
while( IFS1bits.AD1IF == 0 );
p = (int*)(&ADC1BUF0);
value = convert2celsius(average(p));
IFS1bits.AD1IF = 0;
i = 0;
}
send2displays(toBcd(value));
}
return 0;
}
int main(void)
{
TRISBbits.TRISB14 = 1; /* RB14 digital output disconnected */
AD1PCFGbits.PCFG14 = 0; /* RB14 configured as analog input (AN14) */
AD1CHSbits.CH0SA = 14; /* Selects AN14 as input for the A/D converter */
AD1CON2bits.SMPI = 3; /* 4 samples will be converted and stored */
/* Conversion trigger selection bits: in this
// mode an internal counter ends sampling and
// starts conversion*/
AD1CON1bits.SSRC = 7;
/* // Stop conversions when the 1st A/D converter
// interrupt is generated. At the same time,
// hardware clears the ASAM bit*/
AD1CON1bits.CLRASAM =1;
/* // Sample time is 16 TAD (TAD = 100 ns) */
AD1CON3bits.SAMC = 16;
/* Enable A/D converter */
AD1CON1bits.ON=1;
int i = 0, media = 0, v = 0;
while(1){
delay(10); //Wait 10 ms using the core timer
if(i++ == 25){//250ms
v = media = 0;
/* START THE CONVERSION */
AD1CON1bits.ASAM = 1; /* Start conversion */
/* Wait while conversion not done (AD1IF == 0) */
while( IFS1bits.AD1IF == 0 );
/* Read conversion result (ADC1BUF0 value) and print it */
int *p = (int *)(&ADC1BUF0);
for(i=0; i<4; i++){
media += p[i*4];
v += (p[i*4]*33+511)/1023;
}
media /= 4;
//printInt(media, 0x0004000A);
//putChar('\n');
v /= 4;
//printInt(v, 0x0004000A);
/* Reset AD1IF */
IFS1bits.AD1IF = 0;
i = 0;
v = toBcd(v);
}
send2displays(v);
}
return 0;
}
void _int_(4) isr_T1(void){
send2displays(toBcd(V));
IFS0bits.T1IF = 0;
}
void _int_(12) isr_T3(void) // Replace VECTOR by the timer T3
// vector number
{
send2display(toBcd((char) value2display));
IFS0bits.T3IF = 0;
}
void _int_(4) isr_T1(void) {
// Send "value2display" global variable to displays
send2displays(toBcd(value2displays));
IFS0bits.T1IF = 0; // Reset T3IF flag
}
