資源簡介
兩個例程
例程1：攝像頭識別小圓，然后通過串口輸出小圓的xy坐標(biāo)。單片機(jī)可以直接接受，具體串口配置自己配置。
例程2：VSwin32命令控制臺程序 調(diào)用串口，可以根據(jù)自己需要配置串口，完成windows與單片機(jī)的數(shù)據(jù)傳輸?？勺鳛殚_發(fā)參考使用。
代碼片段和文件信息
#include???
#include???
#include???
#include?
using?namespace?std;
HANDLE?hComm;
OVERLAPPED?OverLapped;
COMSTAT?Comstat;
DWORD?dwCommEvents;
bool?OpenPort（）;??//打開串口??
bool?SetupDCB（int?rate_arg）;??//設(shè)置DCB??
bool?SetupTimeout（DWORD?ReadInterval?DWORD?ReadTotalMultiplier?DWORD
ReadTotalConstant?DWORD?WriteTotalMultiplier?DWORD?WriteTotalConstant）;???//設(shè)置超時??
void?ReciveChar（）;???//接收字符??
bool?WriteChar（char*?szWriteBuffer?DWORD?dwSend）;??//發(fā)送字符??
bool?OpenPort（）
{
hComm?=?CreateFile（L“COM8“//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!此處更改com口！?。。。。。。。。。。。。?！
GENERIC_READ?|?GENERIC_WRITE
0
0
OPEN_EXISTING
FILE_FLAG_OVERLAPPED
0）;
if?（hComm?==?INVALID_HANDLE_VALUE）
return?FALSE;
else
return?true;
}
bool?SetupDCB（int?rate_arg）
{
DCB?dcb;
memset（&dcb?0?sizeof（dcb））;
if?（!GetCommState（hComm?&dcb））//獲取當(dāng)前DCB配置??
{
return?FALSE;
}
dcb.DCBlength?=?sizeof（dcb）;
/*?----------?Serial?Port?Config?-------?*/
dcb.BaudRate?=?rate_arg;
dcb.Parity?=?NOPARITY;
dcb.fParity?=?0;
dcb.StopBits?=?ONESTOPBIT;
dcb.ByteSize?=?8;
dcb.fOutxCtsFlow?=?0;
dcb.fOutxDsrFlow?=?0;
dcb.fDtrControl?=?DTR_CONTROL_DISABLE;
dcb.fDsrSensitivity?=?0;
dcb.fRtsControl?=?RTS_CONTROL_DISABLE;
dcb.fOutX?=?0;
dcb.fInX?=?0;
dcb.fErrorChar?=?0;
dcb.fBinary?=?1;
dcb.fNull?=?0;
dcb.fAbortonerror?=?0;
dcb.wReserved?=?0;
dcb.XonLim?=?2;
dcb.XoffLim?=?4;
dcb.XonChar?=?0x13;
dcb.XoffChar?=?0x19;
dcb.EvtChar?=?0;
if?（!SetCommState（hComm?&dcb））
{
return?false;
}
else
return?true;
}
bool?SetupTimeout（DWORD?ReadInterval?DWORD?ReadTotalMultiplier?DWORD
ReadTotalConstant?DWORD?WriteTotalMultiplier?DWORD?WriteTotalConstant）
{
COMMTIMEOUTS?timeouts;
timeouts.ReadIntervalTimeout?=?ReadInterval;
timeouts.ReadTotalTimeoutConstant?=?ReadTotalConstant;
timeouts.ReadTotalTimeoutMultiplier?=?ReadTotalMultiplier;
timeouts.WriteTotalTimeoutConstant?=?WriteTotalConstant;
timeouts.WriteTotalTimeoutMultiplier?=?WriteTotalMultiplier;
if?（!SetCommTimeouts（hComm?&timeouts））
{
return?false;
}
else
return?true;
}
void?ReciveChar（）
{
bool?bRead?=?TRUE;
bool?bResult?=?TRUE;
DWORD?dwError?=?0;
DWORD?BytesRead?=?0;
char?RXBuff;
for?（;;）
{
bResult?=?ClearCommError（hComm?&dwError?&Comstat）;
if?（Comstat.cbInQue?==?0）
continue;
if?（bRead）
{
bResult?=?ReadFile（hComm??//通信設(shè)備（此處為串口）句柄，由CreateFile（）返回值得到??
&RXBuff??//指向接收緩沖區(qū)??
1??//指明要從串口中讀取的字節(jié)數(shù)??
&BytesRead???//??
&OverLapped）;??//OVERLAPPED結(jié)構(gòu)??
std::cout?< if?（!bResult）
{
switch?（dwError?==?GetLastError（））
{
case?ERROR_IO_PENDING:
bRead?=?FALSE;
break;
default:
break;
}
}
}
else
{
bRead?=?TRUE;
}
}
if?（!bRead）
{
bRead?=?TRUE;
bResult?=?GetOverlappedResult（hComm
&OverLapped
&BytesRead
TRUE） ?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????89088??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\Debug\test.exe
?????文件?????618704??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\Debug\test.ilk
?????文件????2026496??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\Debug\test.pdb
?????文件??????19968??2017-08-10?23:53??攝像頭識小球串口發(fā)送數(shù)據(jù)\Release\test.exe
?????文件????1297408??2017-08-10?23:54??攝像頭識小球串口發(fā)送數(shù)據(jù)\Release\test.pdb
?????文件???????3242??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\test.log
?????文件????????596??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\test.tlog\cl.command.1.tlog
?????文件??????25198??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\test.tlog\CL.read.1.tlog
?????文件????????384??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\test.tlog\CL.write.1.tlog
?????文件???????3054??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\test.tlog\li
?????文件???????6230??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\test.tlog\li
?????文件????????368??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\test.tlog\li
?????文件????????162??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\test.tlog\test.lastbuildstate
?????文件????1035264??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\vc120.idb
?????文件????1462272??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\vc120.pdb
?????文件?????316854??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Debug\源.obj
?????文件????????393??2017-08-11?00:04??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\test.log
?????文件????????616??2017-08-10?23:53??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\test.tlog\cl.command.1.tlog
?????文件??????25144??2017-08-10?23:53??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\test.tlog\CL.read.1.tlog
?????文件????????290??2017-08-10?23:53??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\test.tlog\CL.write.1.tlog
?????文件???????3146??2017-08-10?23:54??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\test.tlog\li
?????文件???????6498??2017-08-10?23:54??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\test.tlog\li
?????文件????????290??2017-08-10?23:54??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\test.tlog\li
?????文件????????164??2017-08-11?00:04??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\test.tlog\test.lastbuildstate
?????文件????1200128??2017-08-10?23:53??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\vc120.pdb
?????文件????1406658??2017-08-10?23:53??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\Release\源.obj
?????文件???????4180??2017-08-11?00:04??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\test.vcxproj
?????文件????????944??2017-08-10?23:50??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\test.vcxproj.filters
?????文件???????6687??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test\源.cpp
?????文件???38797312??2017-08-11?00:15??攝像頭識小球串口發(fā)送數(shù)據(jù)\test.sdf
............此處省略39個文件信息
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