#include?“stdlib.h“
#include?“stdio.h“
#include?“unistd.h“
#include?“string.h“
#include?“termios.h“

#include?
#include?
#include?
#include?
/*?串口波特率定義?*/
typedef?enum?_BAUD_RATE_E
{
????BR_1200
????BR_2400?//?1
????BR_4800
????BR_9600
????BR_14400
????BR_19200?//?5
????BR_38400
????BR_57600
????BR_115200
????BR_230400
????BR_380400?//?10
????BR_460800
????BR_921600
????BR_BUTT
}BAUD_RATE_E;

typedef?struct?_SERIAL_S
{
????unsigned?char??u8BaudRate;????????/*?波特率，0-1200，1-2400，2-4800，3-9600?參照?BAUD_RATE_E?*/
????unsigned?char??u8DataBit;?????????/*?數(shù)據(jù)位，0-8，1-7，2-6，3-5?*/
????unsigned?char??u8StopBit;?????????/*?停止位，0-1，1-1.5?2-2?*/
????unsigned?char??u8Check;???????????/*?校驗(yàn)，0-None，1-Odd，2-Even3-Space?*/
????unsigned?char??reserve[16];
}SERIAL_S;

//int?write_serial（int?fdchar?*bufint?len）;
//int?read_serial（int?fdchar?*buflentimeout）;

int?m_bIsInit?=0;
int?m_s32DevFd=0;
int?CUartOperator（）
{
????m_bIsInit?=?0;
????m_s32D