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1、int set_com_config(int fd,int baud_rate,int data_bits,char parity,int stop_bits) struct termios new_cfg,old_cfg; int speed; memset(&new_cfg,0,sizeof(new_cfg); if(tcgetattr(fd,&old_cfg)!=0) perror(tcgetattr); return -1; new_cfg=old_cfg; cfmakeraw(&new_cfg); new_cfg.c_cflag &=CSIZE; switch(baud_rate)
2、case 2400: speed=B2400; break; case 4800: speed=B4800; break; case 9600: speed=B9600; break; case 19200: speed=B19200; break; case 38400: speed=B38400; break; defult: case 115200: speed=B115200; break; cfsetispeed(&new_cfg,speed); cfsetospeed(&new_cfg,speed); switch(data_bits) case 7: new_cfg.c_cfla
3、g |=CS7; break; default: case 8: new_cfg.c_cflag |=CS8; break; switch(parity) default: case n: case N: new_cfg.c_cflag &=PARENB; new_cfg.c_iflag &=INPCK; break; case o: case O: new_cfg.c_cflag |=(PARODD|PARENB); new_cfg.c_iflag |=INPCK; break; case e: case E: new_cfg.c_cflag |=PARENB; new_cfg.c_cfla
4、g &=PARODD; new_cfg.c_iflag |=INPCK; break; case s: case S: new_cfg.c_cflag &=PARENB; new_cfg.c_cflag &=CSTOPB; break; switch(stop_bits) default: case 1: new_cfg.c_cflag &=CSTOPB; break; case 2: new_cfg.c_cflag |=CSTOPB; break; new_cfg.c_lflag &=(ECHO | ECHONL | ICANON | ISIG | IEXTEN | NOFLSH); new_cfg.c_oflag &=OPOST; new_cfg.c_iflag |=BRKINT; new_cfg.c_ccVTIME=0; new_cfg.c_ccVMIN=1; tcflush(fd,TCIFLUSH); if(tcsetattr(fd,TCSANOW,&new_cfg)!=0) perror(tcsetattr); return -1; return 0;
Linux下串口设置代码
