adc.h File Reference

#include <sys.h>
#include <bits.h>
#include <stdint.h>
#include <stdbool.h>
#include <gpio.h>

Include dependency graph for adc.h:

Go to the source code of this file.

Macros
#define	ADC_START_BIT   3
	ADC CONTR register ADC_START bit position.
#define	ADC_FLAG_BIT   4
	ADC CONTR register ADC_FLAG bit position.
#define	ADRJ_BIT   5
	CLKDIV register ADRJ bit position.
#define	ADC_POWER_ON_MSK   0x80
#define	ADC_LOW_BITS_COUNT   2
	ADC result shift offset.
#define	ADC_LOW_BITS_MSK   0x03
	ADC result low bits mask.
init
ADC initializaion and destroy routines
#define	adc_init_input_only(p1_pin, adrj_flag, speed)
	ADC initialization in pin input only mode.
#define	adc_init_open_drain(p1_pin, adrj_flag, speed)
	ADC initialization in pin open drain mode.
#define	adc_destroy(void)
	Deinitialize ADC module.
sync
ADC sync routines
#define	adc_read_sync(value)
	ADC read routine.
async
ADC async routines
#define	adc_async_read_start()
	Start async ADC read operation if not started.
#define	is_adc_async_read_started()   (test_if_bit_set(ADC_CONTR, 1 << ADC_START_BIT) && (ADC_CONTR & ADC_POWER_ON_MSK))
	get ADC start and power flags
#define	adc_async_read_finish()   (bit_clr(ADC_CONTR, ~(1 << ADC_FLAG_BIT)))
	Clear ADC result ready flag.
#define	adc_async_get_result()   (test_if_bit_set(CLK_DIV, 1 << ADRJ_BIT) ? (ADC_RESL << ADC_LOW_BITS_COUNT) | (ADC_RES & ADC_LOW_BITS_MSK) : (ADC_RES << ADC_LOW_BITS_COUNT) | (ADC_RESL & ADC_LOW_BITS_MSK))
	Async get ADC result.

Enumerations
enum	adc_speed_t { ADC_SPEED_540 = 0b00000000 , ADC_SPEED_360 = 0b00100000 , ADC_SPEED_180 = 0b01000000 , ADC_SPEED_90 = 0b01100000 }
	ADC speed enum. More...

Macro Definition Documentation

ADC_POWER_ON_MSK

#define ADC_POWER_ON_MSK   0x80

ADC CONTR register ADC_POWER_ON bit mask