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guocheng.kgc 2020-06-18 20:06:52 +08:00 • committed by shengdong.dsd
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48
Living_SDK/include/hal/soc/adc.h Normal file
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/*
* Copyright (C) 2015-2017 Alibaba Group Holding Limited
*/
#ifndef HAL_ADC_H
#define HAL_ADC_H
typedef struct {
uint32_t sampling_cycle; /* sampling period in number of ADC clock cycles */
} adc_config_t;
typedef struct {
uint8_t port; /* adc port */
adc_config_t config; /* adc config */
void *priv; /* priv data */
} adc_dev_t;
/**
* Initialises an ADC interface, Prepares an ADC hardware interface for sampling
*
* @param[in] adc the interface which should be initialised
*
* @return 0 : on success, EIO : if an error occurred with any step
*/
int32_t hal_adc_init(adc_dev_t *adc);
/**
* Takes a single sample from an ADC interface
*
* @param[in] adc the interface which should be sampled
* @param[out] output pointer to a variable which will receive the sample
* @param[in] timeout ms timeout
*
* @return 0 : on success, EIO : if an error occurred with any step
*/
int32_t hal_adc_value_get(adc_dev_t *adc, void *output, uint32_t timeout);
/**
* De-initialises an ADC interface, Turns off an ADC hardware interface
*
* @param[in] adc the interface which should be de-initialised
*
* @return 0 : on success, EIO : if an error occurred with any step
*/
int32_t hal_adc_finalize(adc_dev_t *adc);
#endif /* HAL_ADC_H */