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import re
import subprocess
from dfatool.lennart.DataInterface import DataInterface
import logging
logger = logging.getLogger(__name__)
class EnergyInterface(DataInterface):
def __init__(
self,
duration_seconds=10,
console_output=False,
temp_file="temp/energytrace.log",
fake=False,
):
"""
class is not used in embedded into dfatool.
:param duration_seconds: seconds the EnergyTrace should be running
:param console_output: if EnergyTrace output should be printed to the user
:param temp_file: file path for temporary file
:param fake: if already existing file should be used
"""
self.energytrace = None
self.duration_seconds = duration_seconds
self.console_output = console_output
self.temp_file = temp_file
self.fake = fake
def runMeasure(self):
"""
starts the measurement, with waiting for done
"""
if self.fake:
return
self.runMeasureAsynchronously()
self.waitForAsynchronousMeasure()
def runMeasureAsynchronously(self):
"""
starts the measurement, not waiting for done
"""
if self.fake:
return
self.energytrace = subprocess.Popen(
"msp430-etv --save %s %s %s"
% (
self.temp_file,
self.duration_seconds,
"" if self.console_output else "> /dev/null",
),
shell=True,
)
print(
"msp430-etv --save %s %s %s"
% (
self.temp_file,
self.duration_seconds,
"" if self.console_output else "> /dev/null",
)
)
def waitForAsynchronousMeasure(self):
"""
Wait until is command call is done
"""
if self.fake:
return
self.energytrace.wait()
def getData(self):
"""
cleans the string data and creates int list
:return: list of data, in format [[int,int,int,int], [int,int,int,int], ... ]
"""
energytrace_log = open(self.temp_file)
lines = energytrace_log.readlines()[21:]
data = []
for line in lines:
if "MSP430_DisableEnergyTrace" in line:
break
else:
data.append([int(i) for i in line.split()])
return data
@classmethod
def getDataFromString(cls, string, delimiter="\\n"):
"""
Parsing the data from string
:param string: input string which will be parsed
:param delimiter: for normal file its \n
:return: list of data, in format [[int,int,int,int], [int,int,int,int], ... ]
"""
lines = string.split(delimiter)[21:]
data = []
for line in lines:
if "MSP430_DisableEnergyTrace" in line:
break
else:
data.append([int(i) for i in line.split()])
return data
def setFile(self, path):
"""
changeing the temporary file
:param path: file path of new temp file
:return: None
"""
self.temp_file = path
pass
def forceStopMeasure(self):
"""
force stops the Measurement, with signals
:return: None
"""
self.energytrace.send_signal(subprocess.signal.SIGINT)
stdout, stderr = self.energytrace.communicate(timeout=15)
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