?? ttytest.c
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#include <stdio.h>#include <stdlib.h>#include <string.h>#include "rs232.h"main(int argc, char *argv[]){ int ret,portno,nWritten,nRead; char buf[256]; portno=0; while(1) { ret=OpenCom(portno,"/dev/ttyS1",115200); if(ret==-1) { perror("The /dev/ttyS1 open error."); exit(1); } nWritten=ComWrt(portno,"abc",3); printf("\n/dev/ttyS1 has send %d chars!\n",nWritten); printf("\nRecieving data!***\n"); fflush(stdout); nRead=ComRd(0,buf,256,3000); if(nRead>0) { printf("*****OK\n"); } else printf("Timeout\n"); if((ret=CloseCom(portno)==-1)) { perror("Close com"); exit(1); } printf("\n\n"); } printf("Exit now.\n"); return;}?? 快捷鍵說明
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