adc.h File Reference

#include "pico.h"
#include "hardware/structs/adc.h"
#include "hardware/gpio.h"

Include dependency graph for adc.h:

Go to the source code of this file.

Macros
#define	PARAM_ASSERTIONS_ENABLED_HARDWARE_ADC   0
#define	ADC_TEMPERATURE_CHANNEL_NUM   (NUM_ADC_CHANNELS - 1)
#define	PICO_ADC_CLKDIV_ROUND_NEAREST   PICO_CLKDIV_ROUND_NEAREST

Functions
void	adc_init (void)
	Initialise the ADC HW.
static void	adc_gpio_init (uint gpio)
	Initialise the gpio for use as an ADC pin.
static void	adc_select_input (uint input)
	ADC input select.
static uint	adc_get_selected_input (void)
	Get the currently selected ADC input channel.
static void	adc_set_round_robin (uint input_mask)
	Round Robin sampling selector.
static void	adc_set_temp_sensor_enabled (bool enable)
	Enable the onboard temperature sensor.
static uint16_t	adc_read (void)
	Perform a single conversion.
static void	adc_run (bool run)
	Enable or disable free-running sampling mode.
static void	adc_set_clkdiv (float clkdiv)
	Set the ADC Clock divisor.
static void	adc_fifo_setup (bool en, bool dreq_en, uint16_t dreq_thresh, bool err_in_fifo, bool byte_shift)
	Setup the ADC FIFO.
static bool	adc_fifo_is_empty (void)
	Check FIFO empty state.
static uint8_t	adc_fifo_get_level (void)
	Get number of entries in the ADC FIFO.
static uint16_t	adc_fifo_get (void)
	Get ADC result from FIFO.
static uint16_t	adc_fifo_get_blocking (void)
	Wait for the ADC FIFO to have data.
static void	adc_fifo_drain (void)
	Drain the ADC FIFO.
static void	adc_irq_set_enabled (bool enabled)
	Enable/Disable ADC interrupts.

Macro Definition Documentation

ADC_TEMPERATURE_CHANNEL_NUM

#define ADC_TEMPERATURE_CHANNEL_NUM   (NUM_ADC_CHANNELS - 1)

The ADC channel number of the on-board temperature sensor