DOS下串口通信程序来传送文件的源代码 分类： DOS 2013-07-22 16:30 465人阅读 评论(0) 收藏

接收程序：
#include <dos.h>
#include <fstream.h>
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#define RXD 0 //接收
#define TXD 0 //发送
#define LSB 0 //波特率调节低8位
#define MSB 1 //波特率调节高8位
#define IER 1 // 中断起用寄存器
#define IIR 2 //中断标识寄存器
#define LCR 3 //线路控制寄存器
#define MCR 4 //调制解调器控制寄存器
#define LSR 5 //线路状态寄存器
#define MSR 6 //调制解调器状态寄存器
#define IERV 1
#define OUT2 0x08
#define ERTS 2
#define EDTR 1
#define EMPTY 0X20
#define READY 0X30
#define ICREG 0X20
#define IMASKREG 0X21
#define EOI 0X20
#define WAITCOUNT 5000
#define BUFFLEN 2048 //用于存储字符的数组的界
#define ALTE 0X12
#define ALTQ 0X10
#define SER_BAUD_1200 96
#define SER_BAUD_2400 48
#define SER_BAUD_9600 0x0C
#define SER_BAUD_19200 6
#define SER_STOP_1 0 /*/ 1 stop bit per character*/
#define SER_STOP_2 4 /*/ 2 stop bits per character*/
#define SER_BITS_5 0 /*/ send 5 bit characters*/
#define SER_BITS_6 1 /*/ send 6 bit characters*/
#define SER_BITS_7 2 /*/ send 7 bit characters*/
#define SER_BITS_8 3 /*/ send 8 bit characters*/
#define SER_PARITY_NONE 0 /*/ no parity*/
#define SER_PARITY_ODD 8 /*/ odd parity*/
#define SER_PARITY_EVEN 24 /*/ even parity*/
int port;
int ComNum;
unsigned portaddr;
unsigned portf;
unsigned char buffer[BUFFLEN];//recv buf
int buffin=0;
int buffout=0;
int incount=0;
int outcount=0;
void interrupt(*vect_com)(...);

void putb(unsigned char ch)//write a char to the recvbuf 将中断得到的数据写到缓冲区
unsigned char getb()//read a char from the recvbuf
void interrupt receiver(...)
void SerInit(int baud,int configuration)
void SerOpen(void)
void SerClose(void)
void Getportaddr(int port)

void Int()

void main()//com1 receive

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发送文件程序

#include <dos.h>
#include <bios.h>
#include <stdio.h>
#include <math.h>
#include <conio.h>
#include <graphics.h>
#ifdef __cplusplus
#define __CPPARGS ...
#else
#define __CPPARGS
#endif
#define SER_RBF 0
#define SER_THR 0
#define SER_IER 1
#define SER_IIR 2
#define SER_LCR 3
#define SER_MCR 4
#define SER_LSR 5
#define SER_MSR 6
#define SER_DLL 0
#define SER_DLH 1

#define SER_BAUD_1200 96
#define SER_BAUD_2400 48
#define SER_BAUD_9600 12
#define SER_BAUD_19200 6
#define SER_GP02 8
#define COM_1 0x3F8
#define COM_2 0x2F8 /*/ base port address of port 1*/
#define COM_3 0x3E8
#define COM_4 0x2E8
#define SER_STOP_1 0 /*/ 1 stop bit per character*/
#define SER_STOP_2 4 /*/ 2 stop bits per character*/
#define SER_BITS_5 0 /*/ send 5 bit characters*/
#define SER_BITS_6 1 /*/ send 6 bit characters*/
#define SER_BITS_7 2 /*/ send 7 bit characters*/
#define SER_BITS_8 3 /*/ send 8 bit characters*/
#define SER_PARITY_NONE 0 /*/ no parity*/
#define SER_PARITY_ODD 8 /*/ odd parity*/
#define SER_PARITY_EVEN 24 /*/ even parity*/
#define SER_DIV_LATCH_ON 128 /*/ used to turn reg 0,1 into divisor latch*/
#define PIC_IMR 0x21 /*/ pic's interrupt mask reg.*/
#define PIC_ICR 0x20 /*/ pic's interupt control reg.*/
#define INT_SER_PORT_0 0x0C /*/ port 0 interrupt com 1 & 3*/
#define INT_SER_PORT_1 0x0B /*/ port 0 interrupt com 2 & 4*/
#define SERIAL_BUFF_SIZE 128 /*/ current size of circulating receive buffer*/

void interrupt far Serial_Isr(__CPPARGS)

int Ready_Serial()

int Serial_Read()

Serial_Write(char ch)

Open_Serial(int port_base, int baud, int configuration)
Close_Serial(int port_base)

void main(int argc,char *argv[])
...{




char ch,press;


int done=0;


FILE *fp;


argc=2;


//argv[1]="c:/comfile.c";


if(argc<2)




...{


printf(" Usage:display filename.wav!!!");


// exit(1);


}


if((fp=fopen(argv[1],"r+b"))==NULL)




...{


printf("cannot open the file ");


// exit(0);


}


fseek(fp, 0, SEEK_SET);


Open_Serial(COM_1,SER_BAUD_9600,SER_PARITY_EVEN| SER_BITS_8 | SER_STOP_1);


printf("com:1;bps:9600;parity:even;bits:8;stop bit:1");


printf("press any key to begin sending");


getch();


//Serial_Write(''); //该语句可用于发送单个字符




while(!done&&ch != EOF) //发送文件开始




...{


ch = fgetc(fp);


//if(ch==EOF) Serial_Write(27);


Serial_Write(ch);


delay(30);


if (kbhit())




...{


press=getch();


if (press==27)




...{


Serial_Write(27);


done=1;


}


}


}






Close_Serial(COM_1);


fclose(fp);


}