UART read data from fax modem
UART read data from fax modem
Hello everybody, now pyboard through the serial port connected to the modem fax, all of the modem fax operation through the AT command.FAX modem works in the mixed mode. For the operation of command AT instructions using the uart. readLine ()function on the end of the character ("\r\n") analysis. When in the reception of data, the use of uart.readchar function or uart.read function, how to end the character ("DLE ETX") to resolve, and the received data to write the file inside it, thank you very much!