The serial port A diagnostic invokes the uart_loopback test, which transmits and receives 128 characters and checks the transaction validity. The following baud rates are tested in asynchronous mode: 460800, 307200, 230400, 153600, 76800, 57600, 38400, 19200, 9600, 4800, 2400, and 800.
The following example shows the serial port A output message when serial port A is being used for the tip connection.
Enter (0-11 tests, 12 -Quit, 13 -Menu) ===> 6 TEST='uarta_test' `UART A in use as console - Test not run.' Enter (0-11 tests, 12 -Quit, 13 -Menu) ===> |
The following example shows the serial port A diagnostic output message.
Enter (0-11 tests, 12 -Quit, 13 -Menu) ===> 7 TEST='uartb_test' BAUDRATE='1200' BAUDRATE='1800' BAUDRATE='2400' BAUDRATE='4800' BAUDRATE='9600' BAUDRATE='19200' BAUDRATE='38400' BAUDRATE='57600' BAUDRATE='76800' BAUDRATE='115200' BAUDRATE='153600' BAUDRATE='230400' BAUDRATE='307200' BAUDRATE='460800' Enter (0-11 tests, 12 -Quit, 13 -Menu) ===> |