#ifndef __USARTII_H__
#define __USARTII_H__

#include "stdint.h"
#include "mk_dma.h"


#define EUART1_RX_DMA_CH	 		DMA_CH6
#define EUART1_TX_DMA_CH			DMA_CH7
  
#define EUART1_TX_FRM_SIZE		2				//·¢ËͶÓÁÐÖеÄ×î´óÖ¡Êý
#define EUART1_TX_FRMBUF_SIZE	100				//·¢ËͶÓÁÐÿ֡»º´æ´óС
#define EUART1_RX_BUF_SIZE		200				//½ÓÊÕ»º´æ´óС

#define EXT_UART2				  USART2
#define EXT_UART2_RCC			RCC_APB2Periph_USART2

typedef struct _EUART1_Frame {					//Êý¾Ý·¢ËÍÖ¡¶ÓÁнṹÌå
	int32_t len;								//Ö¡³¤¶È
	uint8_t buf[EUART1_TX_FRMBUF_SIZE];			//Ö¡Êý¾Ý
} EUART1_Frame;

//void Uart1_Init(void);

void UART2_CheckReceive(void);
void UART2_CheckSend(void);
void UART2_PushFrame(uint8_t* pdata, int32_t data_len);
void UART2_PopFrame(void);
extern void (*Usart2ParseDataCallback)(uint8_t);


#define USART2_TX_BUF_SIZE	50				//·¢ËÍ»º´æ´óС
#define USART2_RX_BUF_SIZE	100				//½ÓÊÕ»º´æ´óС
extern uint8_t m_EUART1_DMA_RXBuf[EUART1_RX_BUF_SIZE];	
//extern uint8_t USART2_DMA_RXBuf[USART_RX_BUF_SIZE];			//USART2 DMAÊý¾Ý½ÓÊÕ»º´æ

void Uart2_SendString(  uint8_t *str);
extern  void Uart2_SendString(  uint8_t *str);

void Uart2_SendStr_length( uint8_t *str,uint32_t strlen );
extern void Uart2_SendStr_length( uint8_t *str,uint32_t strlen );





#endif