Commit bac87679 authored by Daniel Friesel's avatar Daniel Friesel
Browse files

support arbitrarily long measurements

parent dc219e92

bin/msp430-etv

+15 −2
Original line number Diff line number Diff line
@@ -11,10 +11,11 @@ from shutil import which 
import subprocess

import sys

import tempfile

import time



opt = dict()



def measure_data(filename, time):

def measure_data(filename, duration):

    # libmsp430.so must be available

    if not 'LD_LIBRARY_PATH' in os.environ:

        os.environ['LD_LIBRARY_PATH'] = '{}/var/projects/msp430/MSP430Flasher_1.3.15'.format(os.environ['HOME'])
@@ -29,7 +30,19 @@ def measure_data(filename, time): 
    else:

        output_handle = tempfile.TemporaryFile('w+')



    res = subprocess.run([energytrace_cmd, str(duration)], stdout = output_handle, universal_newlines = True)

    energytrace = subprocess.Popen([energytrace_cmd, str(duration)], stdout = output_handle, universal_newlines = True)



    try:

        if duration:

            time.sleep(duration)

        else:

            print('Press Ctrl+C to stop measurement')

            while True:

                time.sleep(3600)

    except KeyboardInterrupt:

        energytrace.send_signal(subprocess.signal.SIGTERM)



    energytrace.communicate(timeout=5)



    output_handle.seek(0)

    output = output_handle.read()