#ifndef _API_RT_UART_H_
#define _API_RT_UART_H_

#include <stdint.h>
#include "api_rt_common.h"
#include "gd32f30x.h"
#include "api_uart.h"

#define UART_BUFFER_LENGTH      64

typedef struct
{
    uint32_t UartBase;
//    uint32_t TxDmaChannelBase;
    uint32_t DmaBase;
    dma_channel_enum DmaChannelBase;
    ApiUart_Status Status;
    uint8_t *RxBuffer;
    uint16_t RxBufferHead;
    uint16_t RxBufferTail;
    uint8_t *TxBuffer;
    uint16_t TxBufferCount;

    void (*AsyncWriteCompleteCallback)();
    void (*AsyncWriteErrorCallback)();
    void (*AsyncReadCompleteCallback)(uint8_t *data, int16_t count);
    void (*AsyncReadErrorCallback)();

    int16_t AsyncReadCount;
    uint8_t *AsyncReadAddr;
} ApiRtUart_Handle;

extern ApiRtUart_Handle Uarts[1];

void iRtUart_Init();

void iRtUart_RxIsr(uint8_t devIndex);
void iRtUart_AsyncWriteCompleteIsr(uint8_t devIndex);
void iRtUart_AsyncWriteErrorIsr(uint8_t devIndex);

#endif