[英]Reading COM port in c++, getting errors
第一次海報長時間讀者。
我一直在玩藍牙GPS裝置的數據。 我可以使用hyperterm連接到它並查看數據
以下日志來自hyperterm
$GPRMC,195307.109,A,5208.2241,N,00027.7689,W,000.0,345.8,310712,,,A*7E
$GPVTG,345.8,T,,M,000.0,N,000.0,K,A*07
$GPGGA,195308.109,5208.2242,N,00027.7688,W,1,04,2.1,58.9,M,47.3,M,,0000*7E
$GPGSA,A,3,19,03,11,22,,,,,,,,,5.5,2.1,5.0*3F
$GPRMC,195308.109,A,5208.2242,N,00027.7688,W,000.0,345.8,310712,,,A*73
$GPVTG,345.8,T,,M,000.0,N,000.0,K,A*07
$GPGGA,195309.109,5208.2243,N,00027.7688,W,1,04,2.1,58.9,M,47.3,M,,0000*7E
結束日志
以下日志來自我的C ++程序
$GPGSV,3,3,12,14,20,105,16,28,18,323,,08,07,288,,16,01,178,*7A
$GPRMC,195,3,2ÿþÿÿÿL.š945.109,A,5208.2386,N,00027.7592,W,000.0,169.5,8,323,,08,07,288,,16,01,178,*7A
$GPRMC,195,3,2ÿþÿÿÿL.š310712,,,A*70
$GPVTG,169.5,T,,M,000.0,N,000.0,K,A*06
8,07,288,,16,01,178,*7A
$GPRMC,195,3,2ÿþÿÿÿL.š310712,,,A*70
$GPVTG,169.5,T,,M,000.0,N,000.0,K,A*06
8,07,288,,16,01,178,*7A
$GPRMC,195,3,2ÿþÿÿÿL.š$GPGGA,195946.109,5208.2386,N,00027.7592,W,1.0,K,A*06
8,07,288,,16,01,178,*7A
結束日志
問題我在他們來的時候離開了換行符,C ++輸出有額外的換行符,不知道為什么? C ++日志也有一些時髦的字符......?
代碼
for (int n=0;n<100;n++) {
char INBUFFER[100];
cv::waitKey(1000);
bStatus = ReadFile(comport, // Handle
&INBUFFER, // Incoming data
100, // Number of bytes to read
&bytes_read, // Number of bytes read
NULL);
cout << "bStatus " << bStatus << endl;
if (bStatus != 0)
{
// error processing code goes here
}
LogFile << INBUFFER;
}
我正在使用設置......
comSettings.BaudRate = 2400;
comSettings.StopBits = ONESTOPBIT;
comSettings.ByteSize = 8;
comSettings.Parity = NOPARITY;
comSettings.fParity = FALSE;
...據我所知,它與hyperterm使用的設置相同。 關於我做錯了什么的暗示?
干杯!
更新所以更新后使用bytes_read並在NMEA數據結尾處考慮額外的LF我現在有...
if (bytes_read!=0) {
for (int i=0; i < bytes_read; i++) {
LogFile << INBUFFER[i];
}
}
哪個似乎有固定的東西!
$GPGGA,215057.026,5208.2189,N,00027.7349,W,1,04,6.8,244.6,M,47.3,M,,0000*41
$GPGSA,A,3,32,11,01,19,,,,,,,,,9.7,6.8,7.0*3D
$GPRMC,215057.026,A,5208.2189,N,00027.7349,W,002.0,208.7,310712,,,A*74
$GPVTG,208.7,T,,M,002.0,N,003.8,K,A*09
$GPGGA,215058.026,5208.2166,N,00027.7333,W,1,04,6.8,243.1,M,47.3,M,,0000*42
謝謝大家,非常感謝您的幫助。
你有一個bytes_read
var,但你沒有做任何事情嗎? 在我看來,無論實際加載了多少/幾個字節,你都將整個INBUFFER
到文件中?
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