void ADC_IT (void){
u16 y;
if (ADC_ready(ADC1)){
y=lire_ADC(ADC1);
}
if (ADC_ready(ADC2)){
batterie = lire_ADC(ADC2);
}
angle = acos(((y*ADC_VDD/0xFFF)-(Y_AXIS_1g-ACCELERO_Sensitivity))/ACCELERO_Sensitivity)*180/PI;
if ((angle>45)&&(alerte_roulis==0))
alerte_roulis=1;
else if((angle<44)&&(alerte_roulis==1))
alerte_roulis=0;
if ((batterie*ADC_VDD/0xFFF)<(VCC*0.8/VCC_ratio))
alerte_batterie=1;
else if ((batterie*ADC_VDD/0xFFF)>(VCC*0.81/VCC_ratio))
alerte_batterie=0;
function_UART(alerte_roulis, alerte_batterie);
}
/** \brief main loop to run tests.
*
* The tests being run are described in the documentation of this file.
*
* \return never returns, test loop runs ad infinitum. */
int main(void) {
uint8_t switch_mask = 0x00; // Input switches. Read hi when pressed
uint16_t result = 0;
SR_t shift_reg;
/* call all of the setup_* functions */
cli();
setup_clocks();
setup_LEDs();
setup_switches(switch_mask);
setup_SR(&shift_reg, &SR_PORT, &SR_SPI_MODULE, false);
setup_ADC(&ADC_PORT, &ADC_SPI_MODULE, ADC_CONVST_bm, ADC_EOC_bm,
ADC_callback);
setup_USART_BC();
sei();
set_channel(MPx, 15, &shift_reg);
set_channel(MPy, 15, &shift_reg);
/* signal debugging */
PORTD.DIRCLR |= PIN4_bm;
PORTD.PIN4CTRL = PORT_OPC_PULLDOWN_gc;
while (1)
{
if (ADC_ready(&adc)) {
// get a new conversion result
result = ADC_sample_once(&adc);
}
if (PORTD.IN & PIN4_bm) {
LED_PORT.OUT = 0xFF;
}
else {
LED_PORT.OUT = (uint8_t)(result >> 4);
printf("%u ", result);
}
}
}
