49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
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* Copyright (c) 2006-2020, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-08-18 guohp1128 the first version
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*/
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#ifndef __DRV_ADC_H__
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#define __DRV_ADC_H__
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#include <board.h>
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#include "rtdevice.h"
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#include <hal/nrf_saadc.h>
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#include <drivers/include/nrfx_saadc.h>
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#define ADC_NAME "adc"
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/*
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previous definition in application
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set single-ended mode or differential mode.
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selection ADC input pin, and config the number of Channel.
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mode: 0 single-ended mode,1 differential mode
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pin_p: 0-7
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pin_n: 0-7,if single-ended mode, pin_n invalid
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channel_num: 0-7
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*/
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typedef struct
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{
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nrf_saadc_mode_t mode; ///< SAADC mode. Single-ended or differential.
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uint8_t pin_p; ///< Input positive pin selection.
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uint8_t pin_n; ///< Input negative pin selection.
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uint8_t channel_num; ///< Channel number.
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} drv_nrfx_saadc_channel_t;
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typedef struct
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{
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nrfx_saadc_channel_t channels[8];
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uint8_t channel_count;
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nrf_saadc_value_t result_buffer[8];
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uint8_t done;
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} drv_nrfx_saadc_result_t;
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#endif /* __DRV_ADC_H__ */
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