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/*
* Copyright (C) 2022-2024, Xiaohua Semiconductor Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-04-28 CDT first version
* 2024-02-20 CDT add structure for associating with the dma
*/
#ifndef __DRV_ADC_H__
#define __DRV_ADC_H__
/*******************************************************************************
* Include files
******************************************************************************/
#include <rtthread.h>
#include <rtdevice.h>
#include "board_config.h"
#include "drv_irq.h"
#include "drv_dma.h"
#include "hc32_ll.h"
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
/*******************************************************************************
* Global type definitions ('typedef')
******************************************************************************/
struct adc_dev_init_params
{
char name[8];
uint16_t vref; /*!< Specifies the ADC reference voltage, unit is mv */
uint16_t resolution; /*!< Specifies the ADC resolution.
This parameter can be a value of @ref ADC_Resolution */
uint16_t data_align; /*!< Specifies ADC data alignment.
This parameter can be a value of @ref ADC_Data_Align */
rt_bool_t hard_trig_enable;
uint32_t hard_trig_src; /*a value of @ref ADC_Hard_Trigger_Sel */
rt_bool_t internal_trig0_comtrg0_enable;
rt_bool_t internal_trig0_comtrg1_enable;
en_event_src_t internal_trig0_sel; /*@ref en_event_src_t in details */
rt_bool_t internal_trig1_comtrg0_enable;
rt_bool_t internal_trig1_comtrg1_enable;
en_event_src_t internal_trig1_sel; /*@ref en_event_src_t in details */
rt_bool_t continue_conv_mode_enable;
rt_bool_t data_reg_auto_clear;
uint32_t eoc_poll_time_max;
struct dma_config *adc_eoca_dma;
};
struct adc_dev_dma_priv_ops
{
rt_err_t (*dma_trig_start)(void);
rt_err_t (*dma_trig_stop)(void);
rt_err_t (*dma_trig_config)(void);
};
struct adc_dev_priv_params
{
uint32_t flag;
struct adc_dev_dma_priv_ops *ops;
};
/*******************************************************************************
* Global pre-processor symbols/macros ('#define')
******************************************************************************/
#define ADC_USING_EOCA_DMA_FLAG (1U)
/*******************************************************************************
* Global variable definitions ('extern')
******************************************************************************/
/*******************************************************************************
* Global function prototypes (definition in C source)
******************************************************************************/
int rt_hw_adc_init(void);
#ifdef __cplusplus
}
#endif
#endif /* __DRV_ADC_H__ */
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
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