sam0/applications/opamp_adc_gain/main.c File Reference

SAM L21 OPAMP as ADC Gain Amplifier.

Copyright (c) 2016-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include "conf_example.h"

Macros
#define	ADC_SAMPLES   128

Functions
void	adc_complete_callback (struct adc_module *const module)
void	configure_adc (void)
void	configure_adc_callbacks (void)
void	configure_opamp2 (void)
int	main (void)

Variables
struct adc_module	adc_instance
volatile bool	adc_read_done = false
uint16_t	adc_result_buffer [ADC_SAMPLES]

#define ADC_SAMPLES   128

Referenced by main().

void adc_complete_callback

(

struct adc_module *const

module

)

References adc_read_done.

Referenced by configure_adc_callbacks().

void configure_adc

(

void

)

void configure_adc_callbacks

(

void

)

[setup_register_callback]

[setup_register_callback] [setup_enable_callback]

[setup_enable_callback]

References ADC_CALLBACK_READ_BUFFER, adc_complete_callback(), adc_enable_callback(), adc_instance, and adc_register_callback().

Referenced by main().

void configure_opamp2

(

void

)

References opamp_config_common::analog_out, opamp2_config::config_common, system_pinmux_config::direction, system_pinmux_config::mux_position, opamp2_config::negative_input, opamp2_get_config_defaults(), OPAMP2_NEG_MUX_TAP2, OPAMP2_POS_MUX_PIN2, OPAMP2_RES1_MUX_GND, opamp2_set_config(), OPAMP_2, opamp_enable(), opamp_is_ready(), opamp_module_init(), OPAMP_POT_MUX_12R_4R, opamp2_config::positive_input, opamp_config_common::potentiometer_selection, opamp2_config::r1_connection, opamp_config_common::r1_enable, opamp_config_common::r2_out, system_pinmux_get_config_defaults(), SYSTEM_PINMUX_PIN_DIR_INPUT, and system_pinmux_pin_set_config().

Referenced by main().

int main

(

void

)

References adc_instance, adc_read_buffer_job(), adc_read_done, adc_result_buffer, ADC_SAMPLES, configure_adc(), configure_adc_callbacks(), configure_opamp2(), system_init(), and system_interrupt_enable_global().

struct adc_module adc_instance

volatile bool adc_read_done = false

Referenced by adc_complete_callback(), and main().

uint16_t adc_result_buffer[ADC_SAMPLES]

Referenced by main().