Powermeter example

The powermeter_example.py demonstrate the use powermeter device.

Call the script using:

python3 powermeter_example.py --ip <ip> --port <port>  --acq <num acquis> --channel <channel>

Argument List :
--ip        ip address of the ethernetController we wish to communicate with.
--port      command socket port number, (default 2055)
--acq       desired number of acquisitions
--channel   Selects the ADC channel for the data acquisition.
            channel can either be 0 for photodiode or 2 for powermeter. (default 0)

The powermeter can be operate in 2 modes :

1. trace mode: acquire a single pulse and returns the the pulse trace

2. push mode: For every received trigger, the powermeter will calculate the pulse amplitude

   and automatically send it without further request from the host computer.