/**
* \brief Write configuration to ADC module
*
* Disables the ADC and flushes its pipeline before writing the specified
* configuration and factory calibration value to it. If the ADC was enabled
* upon entry of the function, it is enabled upon function return.
*
* \param adc Pointer to ADC module.
* \param conf Pointer to ADC module configuration.
*/
void adc_write_configuration(ADC_t *adc, const struct adc_config *conf)
{
uint16_t cal;
uint8_t enable;
irqflags_t flags;
#ifdef ADCA
if ((uintptr_t)adc == (uintptr_t)&ADCA) {
cal = adc_get_calibration_data(ADC_CAL_ADCA);
} else
#endif
{
Assert(0);
return;
}
flags = cpu_irq_save();
adc_enable_clock(adc);
enable = adc->CTRLA & ADC_ENABLE_bm;
adc->CTRLA = ADC_FLUSH_bm;
adc->CAL = cal;
adc->CMP = conf->cmp;
adc->REFCTRL = conf->refctrl;
adc->PRESCALER = conf->prescaler;
adc->EVCTRL = conf->evctrl;
adc->CTRLB = conf->ctrlb;
adc->SAMPCTRL = conf->sampctrl;
adc->CTRLA = enable;
adc_disable_clock(adc);
cpu_irq_restore(flags);
}
int main(void)
{
struct adc_config adc_conf;
struct adc_channel_config adcch_conf;
board_init();
sysclk_init();
sleepmgr_init();
irq_initialize_vectors();
cpu_irq_enable();
// Initialize configuration structures.
adc_read_configuration(&ADCA, &adc_conf);
adcch_read_configuration(&ADCA, ADC_CH0, &adcch_conf);
/* Configure the ADC module:
* - unsigned, 12-bit results
* - bandgap (1 V) voltage reference
* - 200 kHz maximum clock rate
* - manual conversion triggering
* - temperature sensor enabled
* - callback function
*/
adc_set_conversion_parameters(&adc_conf, ADC_SIGN_OFF, ADC_RES_12,
ADC_REF_BANDGAP);
adc_set_clock_rate(&adc_conf, 200000UL);
adc_set_conversion_trigger(&adc_conf, ADC_TRIG_MANUAL, 1, 0);
adc_enable_internal_input(&adc_conf, ADC_INT_TEMPSENSE);
adc_write_configuration(&ADCA, &adc_conf);
adc_set_callback(&ADCA, &adc_handler);
/* Configure ADC channel 0:
* - single-ended measurement from temperature sensor
* - interrupt flag set on completed conversion
* - interrupts disabled
*/
adcch_set_input(&adcch_conf, ADCCH_POS_TEMPSENSE, ADCCH_NEG_NONE,
1);
adcch_set_interrupt_mode(&adcch_conf, ADCCH_MODE_COMPLETE);
adcch_enable_interrupt(&adcch_conf);
adcch_write_configuration(&ADCA, ADC_CH0, &adcch_conf);
// Get measurement for 85 degrees C (358 kelvin) from calibration data.
tempsense = adc_get_calibration_data(ADC_CAL_TEMPSENSE);
// Enable the ADC and start the first conversion.
adc_enable(&ADCA);
adc_start_conversion(&ADCA, ADC_CH0);
do {
// Sleep until ADC interrupt triggers.
sleepmgr_enter_sleep();
} while (1);
}
void owltemp_init() {
struct adc_config adc_conf;
struct adc_channel_config adcch_conf;
// Clear the configuration structures.
memset(&adc_conf, 0, sizeof(struct adc_config));
memset(&adcch_conf, 0, sizeof(struct adc_channel_config));
/* Configure the ADC module:
* - unsigned, 12-bit results
* - bandgap (1 V) voltage reference
* - 200 kHz maximum clock rate
* - manual conversion triggering
* - temperature sensor enabled
* - callback function
*/
adc_set_conversion_parameters(&adc_conf, ADC_SIGN_OFF, ADC_RES_12,
ADC_REF_BANDGAP);
adc_set_clock_rate(&adc_conf, 200000UL);
adc_set_conversion_trigger(&adc_conf, ADC_TRIG_MANUAL, 0, 0);
adc_enable_internal_input(&adc_conf, ADC_INT_TEMPSENSE);
adc_write_configuration(&ADCA, &adc_conf);
adc_set_callback(&ADCA, &adc_handler);
/* Configure ADC channel 0:
* - single-ended measurement from temperature sensor
* - interrupt flag set on completed conversion
* - interrupts disabled
*/
adcch_set_input(&adcch_conf, ADCCH_POS_TEMPSENSE, ADCCH_NEG_NONE,
1);
adcch_set_interrupt_mode(&adcch_conf, ADCCH_MODE_COMPLETE);
adcch_enable_interrupt(&adcch_conf);
adcch_write_configuration(&ADCA, 0, &adcch_conf);
// Get measurement for 85 degrees C (358 kelvin) from calibration data.
tempsense = adc_get_calibration_data(ADC_CAL_TEMPSENSE);
// Enable the ADC and start the first conversion.
adc_enable(&ADCA);
adc_start_conversion(&ADCA, ADC_CH0);
}
void ADCA_init(void)
{
struct adc_config adca_conf;
struct adc_channel_config adca_ch_conf;
//
//// Initialize configuration structures.
//adc_read_configuration(&ADCB, &adcb_conf);
//
///* Configure the ADC module:
//* - unsigned, 12-bit results
//* - AREFA voltage reference
//* - 8000 kHz clock rate
//* - FreeRun Mode
//*/
adc_get_calibration_data(ADC_CAL_ADCA);
adc_set_conversion_parameters(&adca_conf,ADC_SIGN_OFF,ADC_RES_12,ADC_REF_AREFA);
adc_set_clock_rate(&adca_conf,125000UL);
adc_set_conversion_trigger(&adca_conf,ADC_TRIG_FREERUN_SWEEP,1,0);
// adc_set_config_compare_value(adcb_conf,KCK_MAX_CHARGE_AMP);
adc_write_configuration(&ADCA,&adca_conf);
//
///* Configure ADC channel 0:
//* - Input: ADCB4
//* - interrupts disable
//*/
adcch_read_configuration(&ADCA,1, &adca_ch_conf);
adcch_set_input(&adca_ch_conf,ADCCH_POS_PIN3,ADCCH_NEG_NONE,ADC_CH_GAIN_1X_gc);
adcch_write_configuration(&ADCA,1,&adca_ch_conf);
///* Configure ADC channel 1: darim az channel 0 estefade mikonim ehtemalan!
//* - Input: ADCB5
//* - Set Interrupt Mode: Below the threshold
//* - interrupts disable
////*/
//adcch_read_configuration(&ADCA,1, &adca_ch_conf);
//adcch_set_input(&adcb_ch_conf,ADCCH_POS_PIN5,ADCCH_NEG_NONE,ADC_CH_GAIN_1X_gc);
////adcch_set_interrupt_mode(&adcb_ch_conf,ADCCH_MODE_ABOVE);
////adcch_enable_interrupt(&adcb_ch_conf);
//adcch_write_configuration(&ADCA,1,&adca_ch_conf);
//
///* Configure ADC channel 2:
//* - Input: ADCB6
//* - interrupts disable
//*/
//adcch_read_configuration(&ADCB,2, &adcb_ch_conf);
//adcch_set_input(&adcb_ch_conf,ADCCH_POS_PIN6,ADCCH_NEG_NONE,ADC_CH_GAIN_1X_gc);
////adcch_disable_interrupt(&adcb_ch_conf);
//adcch_write_configuration(&ADCB,2,&adcb_ch_conf);
////
///* Configure ADC channel 3:
//* - Input: ADCB7
//* - interrupts disable
//*/
//adcch_read_configuration(&ADCB,3, &adcb_ch_conf);
//adcch_set_input(&adcb_ch_conf,ADCCH_POS_PIN7,ADCCH_NEG_NONE,ADC_CH_GAIN_1X_gc);
//adcch_set_interrupt_mode(&adcb_ch_conf,ADCCH_MODE_ABOVE);
//adcch_enable_interrupt(&adcb_ch_conf);
//adcch_write_configuration(&ADCB,3,&adcb_ch_conf);
//
adc_enable(&ADCA);
adc_start_conversion(&ADCA,ADC_CH0);
//adc_start_conversion(&ADCB,ADC_CH1);
//adc_start_conversion(&ADCB,ADC_CH2);
////adc_start_conversion(&ADCB,ADC_CH3);
}
