Category : uart

I have set up an application Qt that connects to a COM port which then reads certain data from the serial link, however some messages would come out choppy or even not be displayed using the readAll function. For example: Expected message: ,18030.03802,N,00007.47673,W,080538.58, Actual message: ,18030.03802,N, 00007.47673,W,0805 38.58, The problem is that each line would ..

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I am trying to set up serial port communication in a c++ application on Ubuntu 20. I am opening the serial port like this: serialPort = open("/dev/ttyUSB0", O_RDWR | O_NOCTTY | O_NDELAY); if (serialPort == -1) { perror("FAILED "); exit(1); } fcntl(serialPort, F_SETOWN, getpid()); fcntl(serialPort, F_SETFL, (FNDELAY | FASYNC)); struct termios options; tcgetattr(serialPort, &options); cfsetispeed(&options, ..

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On the basis of PIC24, I am trying to loading data from ESP, after AT-command. Only 4 bytes are loaded into the UART RX, then the transfer is broken, the array will always contain only 4 bytes of the transmitted message. for example, the response to the command: AT+CWMODE_CUR? will contain "+CWM"., in addition to ..

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