serial_echo

Source code: serial_echo.py

Checks the communication between DUT and SMT test fixture.

SMT has a test fixture, which communicates with DUT via serial port. This test is to make sure that the serial port works as expected.

It can also be used to send a command to the fixture before/after a test.

dargs:

serial_param: a dict of parameters for a serial connection. Should contain

‘port’. For other parameters, like ‘baudrate’, ‘bytesize’, ‘parity’, ‘stopbits’ and ‘timeout’, please refer pySerial documentation.

send_recv: [send, recv]. send is a char for the DUT to send to

a fixture. And recv is the expected one-char response from the fixture.

Test Arguments

Name	Type	Description
serial_param	dict	a dict of parameters for a serial connection. Should contain “port”. For other parameters, like “baudrate”, “bytesize”, “parity”, “stopbits” and “timeout”, please refer pySerial documentation.
send_recv	list	(optional; default: ['à', 'á']) [send, recv]. send is a char for the DUT to send to a fixture MCU. And recv is the expected one-char response from the fixture.