gprs.zip_GPRS编程_gprs 编程

#include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <fcntl.h> #include <ctype.h> #include <string.h> #include <limits.h> #include <termios.h> #include <sys/signal.h> #include <sys/time.h> #include <sys/select.h> #include <sys/types.h> #include <asm/io.h> int fd; int init_serial(int BAUDRATE,char *MODEMDEVICE){ struct termios options; fd = open(MODEMDEVICE, O_RDWR | O_NOCTTY | O_NDELAY); fcntl(fd, F_SETFL, 0); tcgetattr(fd, &options); cfsetospeed(&options,BAUDRATE); //add ok! options.c_cflag |= (BAUDRATE | CS8 | CLOCAL | CREAD); //8-n-1 && baudrate options.c_lflag=0; options.c_cc[VTIME]=1; options.c_cc[VMIN]=7; //wait 6 signal to read options.c_lflag &= (ICANON | ECHO | ECHOE | ISIG); options.c_iflag &= ( IGNPAR | ICRNL); options.c_oflag &= OPOST; tcflush(fd,TCIFLUSH); tcsetattr(fd, TCSANOW, &options); system("chmod a+rw /dev/ttyS0"); system("chmod a+rw /dev/ttyS1"); return fd; } void PrintHEX(unsigned char ch){ unsigned char HighBit; unsigned char HEXBit[2]; HighBit=ch/16; if(HighBit>9)HighBit=HighBit+7; HEXBit[0]=0x30+HighBit; //0x30 chang to 30 ch=ch%16; if(ch>9)ch=ch+7; HEXBit[1]=0x30+ch; HEXBit[2]=0x00; printf("%s ",HEXBit); } int main(){ int res,count,count1; char cmgf[10]={'a','t','+','c','m','g','f','=','0',0x0d}; char cmgs[11]={'a','t','+','c','m','g','s','=','2','6',0x0d}; //char pn[12]={'8','8','9','6','0','1','3','3','5','6','7','4'}; char TP[8]={'0','0','0','8','0','0','0','C'}; char meg[24]={'5','B','B','6','4','E','2','D','7','6','7','C','7','5','1','F','7','0','6','B','7','0','7','D'}; char header[10]={'0','0','1','1','0','0','0','C','9','1'}; char pn[12]={'8','8','9','6','7','8','0','3','8','3','8','1'}; //char TP[8]={'0','0','0','8','0','0','0','C'}; //char meg[24]={'5','B','B','6','4','E','2','D','7','6','7','C','7','5','1','F','7','0','6','B','7','0','7','D'}; char ctrlz[1]={0x1A}; char buf1[255],buf2[255]; bzero(buf1,255); bzero(buf2,255); printf("no open ttys1\n"); fd = init_serial(B57600,"/dev/ttyS1"); printf("open ttys1\n"); if(fd<0)printf("Open RS232 fail\n"); //----------------------------------------------------------------------------------------------------------- write(fd,cmgf,sizeof(cmgf)); res=read(fd,buf1,sizeof(buf1)); printf("==>\n"); for(count=0;count<res;count++)printf("%c",buf1[count]); printf("\n"); //----------------------------------------------------------------------------------------------------------- write(fd,cmgs,sizeof(cmgs)); write(fd,ctrlz,sizeof(ctrlz)); res=read(fd,buf1,sizeof(buf1)); printf("==>\n"); for(count=0;count<res;count++)printf("%c",buf1[count]); printf("\n"); //----------------------------------------------------------------------------------------------------------- write(fd,header,sizeof(header)); write(fd,pn,sizeof(pn)); write(fd,TP,sizeof(TP)); write(fd,meg,sizeof(meg)); write(fd,ctrlz,sizeof(ctrlz)); printf("==>\n"); for(count1=0;count1<3;count1++){ res=read(fd,buf1,sizeof(buf1)); for(count=0;count<res;count++)printf("%c",buf1[count]); printf("\n"); } }