RT501/USER/Serial.h

/********************************************************************************
 * File Name:			Serial.h 
 * Function Describe:   Header file for Serial.c
 * Explain:  
 * Writer:				ShiLiangWen
 * Date:				2015-1-30
 *******************************************************************************/
#ifndef _Serial_H__
#define _Serial_H__
/***************************************************************************/
#include <rtl.h>

#define COM_SEL_MCU 	0
#define COM_SEL_GPS 	1
#define COM_SEL_MODEM 	2
typedef enum {INF = 0, DEBUG =1} TRACE_TYPE;

#define UART1_TX_USE_DMA	0    
#define UART2_TX_USE_DMA	0


#define RS485_DIR_PIN 	GPIO_Pin_8
#define RS485_DIR_PORT	GPIOA
#define RS485_DIR_HIGH	RS485_DIR_PORT->BSRR = RS485_DIR_PIN
#define RS485_DIR_LOW	 	RS485_DIR_PORT->BRR = RS485_DIR_PIN

#if UART1_TX_USE_DMA==0
	#define UART1_TX_BUFFER_SIZE	200	//UART1 USE FOR PC
#else
	#define UART1_TX_BUFFER_SIZE	200	//UART1 USE FOR PC
#endif

#if UART2_TX_USE_DMA==0
	#define UART2_TX_BUFFER_SIZE	260	//UART1 USE FOR PC
#else
	#define UART2_TX_BUFFER_SIZE	260	//UART1 USE FOR PC
#endif


#define UART1_RX_BUFFER_SIZE	200
#define UART2_RX_BUFFER_SIZE	1700   //1500

extern  unsigned short rx1_ct;
extern unsigned char RxBuffer1[UART1_RX_BUFFER_SIZE];
extern unsigned char TxBuffer1[UART1_TX_BUFFER_SIZE];
extern unsigned char g_usUart1RecvLen;

extern unsigned char RxBuffer2[UART2_RX_BUFFER_SIZE];
extern unsigned char TxBuffer2[UART2_TX_BUFFER_SIZE];
//extern unsigned char DMATxBuffer2[];
//extern unsigned char  g_ucUart2Received;

extern unsigned char g_ucUARTSel;
extern unsigned char g_ucUART1RxMode;


extern unsigned char recevstatue;

void Uart1Init(void);
void Uart2Init(void);
void Uart3Init(void);
void UART1RxTxISRHandler(void);//串口1中断中回调此函数
void UART2RxTxISRHandler(void);//串口2中断中回调此函数

extern unsigned char g_ucDebugLog;//0--不打印DEBUG信息  1--打印DEBUG信息
void SlwTrace(TRACE_TYPE type,char *buf);

void ComSelect(unsigned char sel);
void Uart1Send(char *txbuf,int len);
void Uart2Send(char *txbuf,int len);
void Uart1RxEnable(int en);
void Uart1RecvProcess(void);
void Uart2RecvProcess(void);

//通过DMA发送
void USART1_Send(char *pbuffer, unsigned short size);
void USART1_SendOK_IQ(void);
void USART1_SendWaitCompleted(void);

extern unsigned short g_usUSART_WordLength;

/***************************************************************************/
#endif