adc_example3.c File Reference

AVR XMEGA Analog to Digital Converter Driver Example 3.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include <string.h>

Functions
static void	adc_handler (ADC_t *adc, uint8_t ch_mask, adc_result_t result)
	Callback function for ADC interrupts. More...
int	main (void)
	ADC Example 3 main application function. More...

Variables
static volatile int16_t	adc_scan_results [8]
static volatile double	vcc_voltage
	The last measured voltage on the board. More...

static void adc_handler ( ADC_t *  adc, uint8_t  ch_mask, adc_result_t  result  )

static

Callback function for ADC interrupts.

Parameters

adc	Pointer to ADC module.
channel	ADC channel number.
result	Conversion result from ADC channel.

References ADC_CH0, adc_scan_results, and result.

int main

(

void

)

ADC Example 3 main application function.

References ADC_CH0, ADC_CURRENT_LIMIT_HIGH, adc_enable(), adc_enable_internal_input(), ADC_GAIN_HIGHIMPEDANCE, adc_handler(), ADC_INT_BANDGAP, ADC_REF_BANDGAP, ADC_RES_12, adc_set_callback(), adc_set_clock_rate(), adc_set_conversion_parameters(), adc_set_conversion_trigger(), adc_set_current_limit(), adc_set_gain_impedance_mode(), ADC_SIGN_ON, ADC_TRIG_EVENT_SWEEP, adc_write_configuration(), adcch_enable_interrupt(), ADCCH_MODE_COMPLETE, ADCCH_NEG_INTERNAL_GND, ADCCH_POS_PIN0, adcch_set_input(), adcch_set_interrupt_mode(), adcch_set_pin_scan(), adcch_write_configuration(), board_init(), cpu_irq_enable, sleepmgr_enter_sleep(), sleepmgr_init(), sysclk_enable_module(), SYSCLK_EVSYS, sysclk_init, and SYSCLK_PORT_GEN.

volatile int16_t adc_scan_results[8]

static

Referenced by adc_handler().

volatile double vcc_voltage

static

The last measured voltage on the board.