def test(self):
currentVSWR = 0
tableD = None # This is a 2 dimensional table of all the frequencies that will be tested in the procedure
testResult = True
# Load frequencies to test
try:
inFile = file(Config.TABLE_J, "r")
tableJ = [line
for line in csv.reader(inFile)][Config.J_HEADER_ROWS:]
inFile.close()
except:
print("Could not load frequencies to test (%s)" % Config.TABLE_J)
return False
#open output
results = csv.writer(file(Config.TuneTestoutput, "wb"))
results.writerow([
"Frequency [MHz]", "Inductor", "Capacitor", "Resistor",
"Final VSWR", "Status", "Raido SWR meter value:"
])
# Cycle through frequencies
for line in tableJ:
curTestResult = False
calcVSWR = 0
roe = 0
roeValues = None
vswrFile = None
frequency = float(line[Config.J_FREQ_COL])
#set freq
self.freq.setFrequency(frequency * MHz)
self.loadSetter = LoadControl(Config.LOAD_DEVICE)
for offset in range(0, Config.J_LOADS_PER_VSR * Config.J_VSRS, 3):
# Set load
L = float(line[Config.J_L_COL + offset])
C = float(line[Config.J_C_COL + offset])
R = float(line[Config.J_R_COL + offset])
print("Setting load: L: %g C: %g R: %g" % (L, C, R))
self.loadSetter.setLCR(L, C, R)
# Prompt user to run the network analyzer and save to location
while (vswrFile == None):
print("Please wait until tuned")
print("Input raido SWR meter value:"),
notes = raw_input()
print("Press enter to set raio to recieve")
self.wait()
self.freq.setRx()
print("Please set the network analyzer to %s MHz" %
line[Config.J_FREQ_COL])
print("Please save the CSV data from the analyzer to %s" %
Config.NET_RES_FILE)
self.wait()
try:
vswrFile = file(Config.NET_RES_FILE, "r")
except:
print("Could not open input file")
print(
"Reconnect the coupler to the transmitter then press enter"
)
self.wait()
self.freq.setTx()
# Load the contents of the file
roeValues = [newLine for newLine in csv.reader(vswrFile)
][Config.NET_RES_HEADER_ROWS:]
vswrFile.close()
vswrFile = None
# Calculate average roe
roeValues.pop()
for roeLine in roeValues:
try:
roe += Utils.tooComplex(
roeLine[Config.NET_RES_ROE_COL])
except IndexError:
print "Wiered input:", roeLine
roe /= len(roeValues)
# Calculate VSWR and compare to predicted
calcVSWR = Utils.Vswr(roe)
curTestResult = True if calcVSWR < 1.6 else False
# Print results and set overall test to false if failed
if (curTestResult):
print("Pass for frequency %s" % (frequency))
results.writerow([
float(line[Config.J_FREQ_COL]), L, C, R, calcVSWR,
"Pass", notes
])
testResult = True
else:
print("Fail for frequency %s" % (frequency))
results.writerow([
float(line[Config.J_FREQ_COL]), L, C, R, calcVSWR,
"Fail", notes
])
testResult = False
del self.loadSetter
if (not self.prompt("Continue?")):
return testResult
def __init__(self):
TestCase.__init__(self, "Tune Power Test")
self.load = LoadControl(Config.LOAD_DEVICE)
self.tran = FrequencyControl(Config.FREQ_DEVICE)
self.tune = TunerControl(Config.TUNE_DEVICE)
