Linux下蓝牙参数设置程序

由于项目需要蓝牙功能，前些日子，我负责开发蓝牙模块，这个子项目主要涉及到获取蓝牙模块参数、设置蓝牙参数、多线程收发数据等功能，下面已经可以在Linux下正常使用的蓝牙参数设置获取主要代码。
#include <stdio.h>
#include <string.h>

#include <sys/types.h>
#include <errno.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
#include <stdlib.h>
#include <sys/signal.h>

typedef unsigned char  U8;
typedef unsigned short U16;
typedef unsigned int   U32;
typedef unsigned int   UINT;

struct termios  newtio, oldtio;
int fd;

UINT downloadAddress, downloadFileSize;
static void Jump_Loop(U32 addr, U32 len);
static void Set_UARTMODE(U32 addr, U32 len);
static void Set_Bind(U32 addr, U32 len);
static void Set_Role(U32 addr, U32 len);
static void Set_Class(U32 addr, U32 len);
static void Set_Name(U32 addr, U32 len);
static void Set_PassWord(U32 addr, U32 len);
static void Set_Auth(U32 addr, U32 len);
static void Set_Baud(U32 addr, U32 len);
static void Serial_Tran(int fd, char ver[]);
Get_Parameter();
Set_Parameter();

int set_opt(int fd, int nSpeed, int nBits, char nEvent, int nStop)
{
 
 if(tcgetattr(fd, &oldtio) != 0)
 {
  perror("SetupSerial 1");
  return -1;
 }
 bzero(&newtio, sizeof(newtio));
 newtio.c_cflag |= CLOCAL | CREAD;
 newtio.c_cflag &= ~CSIZE;

 switch(nBits)
 {
 case 7:
     newtio.c_cflag |= CS7;
     break;
    case 8:
     newtio.c_cflag |= CS8;
     break;
 }

 switch(nEvent)
 {
 case 'O':
     newtio.c_cflag |= PARENB;
     newtio.c_cflag |= PARODD;
     newtio.c_iflag |= (INPCK | ISTRIP);
     break;
 case 'E':
     newtio.c_cflag |= PARENB;
     newtio.c_cflag &= ~PARODD;
     newtio.c_iflag |= (INPCK | ISTRIP);
     break;
    case 'N':
     newtio.c_cflag &= ~PARENB;
     break;
 }

 switch(nSpeed)
 {
 case 2400:
     cfsetispeed(&newtio, B2400);
     cfsetospeed(&newtio, B2400);
     break;
 case 4800:
     cfsetispeed(&newtio, B4800);
     cfsetospeed(&newtio, B4800);
     break;
 case 9600:
     cfsetispeed(&newtio, B9600);
     cfsetospeed(&newtio, B9600);
     break;
 case 115200:
     cfsetispeed(&newtio, B115200);
     cfsetospeed(&newtio, B115200);
     break;
 case 460800:
     cfsetispeed(&newtio, B460800);
     cfsetospeed(&newtio, B460800);
     break;
 default:
     cfsetispeed(&newtio, B9600);
     cfsetospeed(&newtio, B9600);
     break;
 }

 if(nStop == 1)
  newtio.c_cflag &= ~CSTOPB;
 else if(nStop == 2)
  newtio.c_cflag |= CSTOPB;  

 newtio.c_cc[VTIME] = 0;
 newtio.c_cc[VMIN] = 1;

 newtio.c_lflag &=~(ICANON|ECHO|ECHOE|ISIG);
 newtio.c_oflag &=~OPOST;

 tcflush(fd,TCIFLUSH);

 if((tcsetattr(fd, TCSANOW,&newtio)) != 0)
 {
  perror("\rcom set error");
  return -1;
 }
 printf("\rset done!\n");
 return 0; 
}
int open_port(int fd, int comport)
{

 if(comport == 1) //串口1
 {
  fd = open("/dev/ttyS0", O_RDWR|O_NOCTTY|O_NONBLOCK);
  if(fd < 0)
  {
   perror("\rCan't Open Serial Port");
   return(-1);
  }
 }
 else if(comport == 2) //串口2
 {
  fd = open("/dev/ttyS1", O_RDWR|O_NOCTTY|O_NDELAY);
  if(fd < 0)
  {
   perror("\rCan't Open Serial Port");
   return(-1);
  }
 }
 else if(comport == 3)//串口3
 {
  fd = open("/dev/ttyS2", O_RDWR|O_NOCTTY|O_NONBLOCK);
  if(fd < 0)
  {
   perror("\rCan't Open Serial Port");
   return(-1);
  }

 }

 if(fcntl(fd, F_SETFL, 0) < 0)
 {
  printf("\rfcntl failed!\n");
 }
 else
 {
  printf("\rfcntl = %d\n", fcntl(fd, F_SETFL, 0));
 }

 if(isatty(STDIN_FILENO) == 0)
  printf("\rstandard input is not a terminal device\n");
 else
     printf("isatty success!\n");
    printf("\rfd-open=%d\n",fd);
 return fd;
 
}

static int Get_Parameter(int fd)
{
 printf("Get Bluetooth Parameter\n");
 //printf("Get parameter : \n");
   // printf("Device Name : \n");
 Serial_Tran(fd, "AT+NAME?\r\n");          //询查设备名称
 //printf("BAUD : \n");
 Serial_Tran(fd, "AT+BAUD?\r\n");          //查询波特率
 //printf("Device Bind  : \n");               
 Serial_Tran(fd, "AT+BIND?\r\n");         // 查询设备绑定
 //printf("Device Class : \n");
 Serial_Tran(fd, "AT+CLASS?\r\n") ;        //查询类别
 //printf("Device Authority : \n");
 Serial_Tran(fd, "AT+SNIFF?\r\n");        //查询是否需要鉴权
 //printf("Device PassWord : \n");
 Serial_Tran(fd, "AT+PASSWORD?\r\n");       //查询鉴权密码
 //printf("Device Role : \n");
 Serial_Tran(fd, "AT+ROLE?\r\n");         // 查询设备角色
 //printf("Device Sniff State: \n");
 Serial_Tran(fd, "AT+SNIFF?\r\n");        //查询节能状态
 //printf("Device ScanTime : \n");
 Serial_Tran(fd, "AT+SCANTIME?\r\n");      //查寻扫描与连接参数
 //printf("Program Version : \n");
 Serial_Tran(fd, "AT+VERSION?\r\n");      //查询程序版本号
 //printf("Device LED : ");
 Serial_Tran(fd, "AT+LED?\r\n");        // 查询指示灯
 //printf("Remote Device Address : ");
 Serial_Tran(fd, "AT+RADDR?\r\n");        //查询远端设备地址
 //printf("Local Device Address : ");
 Serial_Tran(fd, "AT+LADDR?\r\n");         //查询本地设备地址
 //printf("Device UartMode : \n");
 Serial_Tran(fd, "AT+UARTMODE?\r\n");      //查询串口通信模式
 //printf("Device LowPower : \n");
 Serial_Tran(fd, "AT+LOWPOWER?\r\n");     //查询设备低功?
 return 0;
}
static int Set_Parameter(int fd)
{
 int i, sel, num;
 printf("\rIf you want to set vironment?please input 1\n");
 printf("\rENTER : ");
 //if(!GetIntNumber(&label))
  scanf("%d",&num);
 if (num== 1)
 {
  while(1)
  {
   printf("\rSelect :\n");
   for(i=0; Functions[i].FuncAddr; i++)
   {
    printf("\r%2d : %s\n", i, Functions[i].str);
   }
   printf("\rEnter your selection: ");
   scanf("%d",&sel);
   if(sel==8)
   {
    break;
   }
   if(sel>=0&&sel<i)
   {
    (*Functions[sel].FuncAddr)(downloadAddress, downloadFileSize);
   
   
   }
  
  }
 }
 else
 {
  return 0;
 }
 
}