/*-----------------------------------------------------------------------*/
interrupt 12 void TC4handler(void){
unsigned char analog_tollerance_ = ((ANALOG_TOLLERANCE*1024)/100);
unsigned int analog_compare =0;
unsigned int analog_current = 0;
unsigned char x=0, y=0;
//Clear the interupt flag
TFLG1 = TFLG1_C4F_MASK;
if(analog_delay_counter == ANALOG_DELAY){
analog_current = Analog_Read(KEYPAD_INPUT);
analog_compare = abs(analog_previous-analog_current); //
if( analog_compare >= analog_tollerance_) {
/// process keypress
y = (sizeof(keypad_analog_values))/2;
for(x= 0;x<y;x++){
analog_compare = abs(keypad_analog_values[x]-analog_current);
if(analog_compare < (analog_tollerance_)) {
keypad_press = x;
// trigger a button event
keypad_press_trigger = 1;
break;
}
}
}
analog_previous = analog_current;
#if ANALOG_DEBUG
printf("\nAnalog(%d): Cur:%d Prev:%d ",KEYPAD_INPUT, Analog_Read(KEYPAD_INPUT),analog_previous);
#endif
// reset analog counter
analog_delay_counter =0;
}
else
analog_delay_counter++;
TC4 = TCNT + 60000;
}
void Motor_Speed(void)
{
ADC_Init(); /*Initializes the ADC module*/
Valor_voltaje = Analog_Read(); /*Read the convertion of the ADC*/
calculo_tiempo_us =((unsigned short)(Valor_voltaje)*156)+4000; /*Use the aproximation ecuation*/
tiempo_us = (calculo_tiempo_us)/100;/*Put the result in a u16*/
delay_us_MTIM(tiempo_us);/*set the delay */
}
