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