Question

I write to my device in hexadecimal format using pyserial:

ser.write("\x01\x03\x00\x00\x00\x0A\xC5\xCD")
data = ser.readline()
print data

The output is:

Q,f�    ��
Q.f�    �   
Q8f�    �B
Q5f�    �

My problem is how to show the output in hex format, for instance

01 03 14 50 AD 00 00 00 00 00 00 00 00 00 00 66 DC 00 00 00 09 00 00 A8 42

Also, how can I convert to decimal:

50AD = 20653
66DC = 26332

Answer 1

I guess you have two problems:

1. The baud rate used by your Python script does not match the baud rate set in you terminal. Try to get them right while sending some printable ASCII values just for testing.
2. If you want to see the data as hex (not as ASCII characters) look if you can change some settings in your terminal.