uiuart.h

嵌入工linux开发的源码

#ifndef _GUI_UART_H
#define _GUI_UART_H

#include <pr2k.h>
#include <typedefine.h>

#define DEBUG_UART

#define COM_NUM	4
#define REC_BUF_SIZE	4096	// 接收Buffer大小

/* Defined PARITY bit*/
#define NOPARITY    0
#define ODDPARITY   1
#define EVENPARITY  2

//define stop bit
#define ONESTOPBIT   0
#define ONE5STOPBITS 1
#define TWOSTOPBITS  2



#define  ACK_OK              0x01  

#define  COM1                0
#define  COM2                1

#define  ACK_ERRPACKETNO     0xfb
#define  ACK_ERRWRITE        0xfC
#define  ACK_ERRLEN          0xfd
#define  ACK_ERRBLOCK        0xfe
#define  ACK_ERRCHECKSUM     0xff


typedef struct
{
	unsigned long BaudRate;           // 速率
	unsigned char DataBits;           // 数据位
	unsigned char Parity;             // 校验
	unsigned char StopBits;           // 停止位
	long TimeOuts;                    // 超时时间
} TDeviceState;

DLL_EXP(int) com_Open(char *DeviceName,TDeviceState *DS);	// 打开COM口

DLL_EXP(int) IrDA_Open(char *DeviceName,TDeviceState *DS);

DLL_EXP(STATUS) com_Close(int port);					// 关闭COM口
DLL_EXP(int) com_CheckReceiverBuffer(int port);			// 检查接收缓冲区中接收到的字符数
//DLL_EXP(int) com_CheckTransmitterBuffer(char* DeviceName);		// 检查发送缓冲区中待发送的字符数
DLL_EXP(int) com_Receive(int port, unsigned char *buffer,int len);// 接收数据
DLL_EXP(int) com_Send(int port, unsigned char *buffer,int len);	// 发送数据
DLL_EXP(STATUS) com_ReceiveByte(int port, unsigned char *data);	// 接收一字节数据
DLL_EXP(STATUS) com_SendByte(int port, unsigned char data);		// 发送一字节数据


DLL_EXP(STATUS) hs_ReceiveByte(int port, unsigned char *data);

STATUS com_EnableCTS(int port);
STATUS com_DisableCTS(int port);

#ifdef DEBUG_UART
DLL_EXP(int) com_CheckError(void);
#endif

#endif