testtools/UART_interface/mxchip_uart_interface.py [128:154]:
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        if input_file:
            # set wait between read/write
            wait = (serial_settings.bits_to_cache/serial_settings.baud_rate)
            with open(input_file) as fp:
                # initialize input/output_file
                line = fp.readline()
                f = open(output_file, 'w+') # Output file
                while line:
                    # time.sleep(.1)
                    # Print only instruction, not secret content
                    if line.split():
                        print("Sending %s" %line.split()[0])

                    # Attempt to write to serial port
                    if not self.serial_write(ser, line, f):
                        print("Failed to write to serial port, please diagnose connection.")
                        f.close()
                        break
                    time.sleep(1)

                    # Attempt to read serial port
                    output = self.serial_read(ser, line, f, first_read=True)

                    while(output):
                        time.sleep(wait)
                        output = self.serial_read(ser, line, f)
                    line = fp.readline()
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testtools/UART_interface/rpi_uart_interface.py [140:166]:
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        if input_file:
            # set wait between read/write
            wait = (serial_settings.bits_to_cache/serial_settings.baud_rate)
            with open(input_file) as fp:
                # initialize input/output_file
                line = fp.readline()
                f = open(output_file, 'w+') # Output file
                while line:
                    # time.sleep(.1)
                    # Print only instruction, not secret content
                    if line.split():
                        print("Sending %s" %line.split()[0])

                    # Attempt to write to serial port
                    if not self.serial_write(ser, line, f):
                        print("Failed to write to serial port, please diagnose connection.")
                        f.close()
                        break
                    time.sleep(1)

                    # Attempt to read serial port
                    output = self.serial_read(ser, line, f, first_read=True)

                    while(output):
                        time.sleep(wait)
                        output = self.serial_read(ser, line, f)
                    line = fp.readline()
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