circuitpython/nrf/hal/hal_adc.h

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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Glenn Ruben Bakke
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef HAL_ADC_H__
#define HAL_ADC_H__
#include <stdint.h>
#include "nrf.h"
#if NRF51
#define ADC_IRQ_NUM ADC_IRQn
#define ADC_BASE ((NRF_ADC_Type *)NRF_ADC_BASE)
#define HAL_ADC_Type NRF_ADC_Type
#else
#define ADC_IRQ_NUM SAADC_IRQn
#define ADC_BASE ((NRF_SAADC_Type *)NRF_SAADC_BASE)
#define HAL_ADC_Type NRF_SAADC_Type
#endif
typedef enum {
HAL_ADC_CHANNEL_2 = 2,
HAL_ADC_CHANNEL_3,
HAL_ADC_CHANNEL_4,
HAL_ADC_CHANNEL_5,
HAL_ADC_CHANNEL_6,
HAL_ADC_CHANNEL_7,
} hal_adc_channel_t;
/**
* @brief ADC Configuration Structure definition
*/
typedef struct {
hal_adc_channel_t channel;
} hal_adc_config_t;
/**
* @brief ADC handle Structure definition
*/
typedef struct __ADC_HandleTypeDef {
hal_adc_config_t config; /* ADC config parameters */
} ADC_HandleTypeDef;
uint16_t hal_adc_channel_value(hal_adc_config_t const * p_adc_conf);
uint16_t hal_adc_battery_level(void);
#endif // HAL_ADC_H__