int main(void)
{
//Initial Serial, ADC & LCD Display:
USARTInit(52);
lcd_init();
ADCinit();
pwm_init();
char adc_output[6][4];
int adc_value[6]; // Variable to hold ADC result
while(1)
{
for(int i=0;i<6;i++){
adc_value[i] = ADCread(i);
itoa(adc_value[i],adc_output[i],10);
USARTWriteString(adc_output[i]);
if(i!=5){USARTWriteChar(';');}
}
//Sending a new line:
USARTWriteChar('\r');
USARTWriteChar('\n');
//Set PWM:
pwm(adc_value[5]);
//Show data on the lcd display
show(adc_output);
//Delay:
_delay_ms(500);
}
}
void TC5_Handler (void)
{
__prevData = __newData;
__newData = ADCread();
if ((__prevData < MIDPOINT) && (__newData >= MIDPOINT)) {
__newSlope = __newData - __prevData;
if (abs(__newSlope - __maxSlope) < __slopeTolerance) {
__slope[__arrayIndex] = __newSlope;
__timer[__arrayIndex] = __time;
__time = 0;
if (__arrayIndex == 0) {
__noMatch = 0;
__arrayIndex++;
}
else if ((abs(__timer[0] - __timer[__arrayIndex]) < __timerTolerance) && (abs(__slope[0] - __newSlope) < __slopeTolerance)) {
__totalTimer = 0;
for (uint8_t i = 0; i < __arrayIndex; i++) {
__totalTimer += __timer[i];
}
__period = __totalTimer;
__timer[0] = __timer[__arrayIndex];
__slope[0] = __slope[__arrayIndex];
__arrayIndex = 1;
__noMatch = 0;
}
else {
__arrayIndex++;
if (__arrayIndex > ARRAY_DEPTH - 1) {
__arrayIndex = 0;
__noMatch = 0;
__maxSlope = 0;
}
}
}
else if (__newSlope > __maxSlope) {
__maxSlope = __newSlope;
__time = 0;
__noMatch = 0;
__arrayIndex = 0;
}
else {
__noMatch++;
if (__noMatch > ARRAY_DEPTH - 1) {
__arrayIndex = 0;
__noMatch = 0;
__maxSlope = 0;
}
}
}
if (__clippingPin > 0)
{
if (__newData == BOTTOMPOINT || __newData == TOPPOINT) {
digitalWrite(__clippingPin, HIGH);
__clipping = true;
}
}
__time++; // Incremented at sampleRate
__amplitudeTimer++; // Incremented at sampleRate
__newMaxAmplitude = abs(MIDPOINT - __newData);
if (__newMaxAmplitude > __maxAmplitude) {
__maxAmplitude = __newMaxAmplitude;
}
if (__amplitudeTimer >= TIMER_TIMEOUT) {
__amplitudeTimer = 0;
__checkMaxAmp = __maxAmplitude;
__maxAmplitude = 0;
}
TC5->COUNT16.INTFLAG.bit.MC0 = 1; // Clear interrupt
}
