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/**
*********************************************************************************************************
* Copyright(c) 2018, Realtek Semiconductor Corporation. All rights reserved.
*********************************************************************************************************
* @file io_adc.h
* @brief
* @details
* @author yuan
* @date 2018-12-07
* @version v1.0
*********************************************************************************************************
*/
#ifndef __IO_ADC_H
#define __IO_ADC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "rtl876x_adc.h"
#include "rtl876x_gdma.h"
#include "rtl876x_nvic.h"
#include "rtl876x_pinmux.h"
#include "rtl876x_rcc.h"
#include "app_msg.h"
#include "board.h"
/* Defines ------------------------------------------------------------------*/
/** ADC sample channel config.
* ADC sample channel config:P2_2,P2_3,P2_6,P2_7 and VBAT
* ADC sample channel index select: #define ADC_Channel_Index_0 0
* #define ADC_Channel_Index_1 1
* #define ADC_Channel_Index_2 2
* #define ADC_Channel_Index_3 3
* If ADC_SAMPLE_PIN = P2_2, then ADC_SAMPLE_CHANNEL = ADC_Channel_Index_0;
* If ADC_SAMPLE_PIN = P2_3, then ADC_SAMPLE_CHANNEL = ADC_Channel_Index_1;
* If ADC_SAMPLE_PIN = P2_6, then ADC_SAMPLE_CHANNEL = ADC_Channel_Index_2;
* If ADC_SAMPLE_PIN = P2_7, then ADC_SAMPLE_CHANNEL = ADC_Channel_Index_3;
*/
#define ADC_SAMPLE_CHANNEL_0 ADC_Channel_Index_0
#define ADC_SAMPLE_CHANNEL_1 ADC_Channel_Index_1
#define ADC_SAMPLE_CHANNEL_2 ADC_Channel_Index_2
#define ADC_SAMPLE_CHANNEL_3 ADC_Channel_Index_3
/** ADC mode config.
* ADC pin hardware mode: bypass mode
* divide mode
*/
#define ADC_DIVIDE_MODE 0
#define ADC_BYPASS_MODE 1
#define ADC_MODE_DIVIDE_OR_BYPASS ADC_DIVIDE_MODE
#define ADC_CONTINUOUS_SAMPLE_PERIOD (20-1)//2us
#define GDMA_TRANSFER_SIZE 4000
extern uint16_t ADC_Recv_Buffer[GDMA_TRANSFER_SIZE];
void global_data_adc_init(void);
void board_adc_init(void);
void driver_adc_init(void);
void driver_gdma_adc_init(void);
void io_handle_adc_msg(T_IO_MSG *io_adc_msg);
void io_handle_gdma_msg(T_IO_MSG *io_gdma_msg);
void io_adc_sample_start(void);
void io_adc_sample_stop(void);
#ifdef __cplusplus
}
#endif
#endif
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