def sample(channel):
""" Callback function for button interrupt that causes a sample to
be taken from both sensors.
"""
time.sleep(0.1)
print("Button pushed!")
DAQC.getINTflags(0) # clear the interrupt
# use light strobes to indicate measurement
DAQC.setDOUTall(0, 0)
for j in range(7):
DAQC.setDOUTbit(0, j)
time.sleep(0.1)
DAQC.clrDOUTbit(0, j)
time.sleep(0.1)
# measure from the BME280 (ORDER MATTERS!)
temp = sensor.read_temperature()
pressure = sensor.read_pressure() / 100. # convert to hectopascals
humidity = sensor.read_humidity()
t = sensor.t_fine
# measure from the (analog) photo-sensor
light = DAQC.getADC(0, 0)
global data
data.append([t, temp, pressure, humidity, light])
# turn off LEDs
DAQC.setDOUTall(0, 0)
def task():
global lastT
global lastR
global lastSW
global swMode
global GC
adata = DAQC.getADCall(3)
val = round(DAQC.getADC(0, 8), 1)
Power5Text.set(val)
val = round((adata[1] - 2.73) * 100, 2)
val = 0.2 * val + 0.8 * lastT
lastT = val
TempText.set(str("{:>3.1f}".format(val)) + 'C')
val = round(adata[2] * 12.21 / 1.636, 1)
Power12Text.set(val)
val = round(adata[0] / 4.096 * 100, 1)
FanText.set(str(val) + '%')
DAQC.setPWM(0, 0, int(val * 1024 / 100))
val = DAQC.getRANGE(0, 6, 'c')
if isinstance(val, float):
if val > 100:
val = 99.9
else:
val = 0
val = round(val, 1)
val = 0.8 * lastR + 0.2 * val
lastR = val
RangeText.set(str("{:>2.1f}".format(val)) + 'cm')
lamp = 0
if (DAQC.getDINbit(0, 2) == 1):
lamp = 32
sw = DAQC.getSWstate(0)
if (sw == 1) and (lastSW == 0):
lastSW = 1
swMode = not swMode
if swMode:
GCmode.set('Binary Code :')
else:
GCmode.set('Grey Code :')
if (sw == 0) and (lastSW == 1):
lastSW = 0
val = (int(adata[7] * 32 / 4.096))
if swMode == 0:
GCText.set(GC[val])
num = GC[val]
else:
GCText.set(val)
num = val
DAQC.setDOUTall(0, (num + lamp))
root.after(100, task)
def task():
global logFile, lfOpen, Logging, streamOpen, fName, SampleC, SampleT, logHeader
global theta, dnum
aChannelCount = 0
dChannelCount = 0
try:
SampleT = float(SamplePeriod.get())
if (SampleT < SampleTmin):
SampleT = SampleTmin
except ValueError:
SampleT = SampleTmin
root.after(int(SampleT * 1000), task)
logString = ''
dTypes = ''
j = 0
for i in range(0, 8): #for boards 0 through 8
a2dvals = range(8)
dinvals = range(8)
if (DAQCpresent[i] == 1):
#Test Signal Generation
if (DoutSignal.get() == 1):
dnum[i] = (dnum[i] + 1) % 128
DAQC.setDOUTall(i, dnum[i])
if (AoutSignal.get() == 1):
theta[i] = (theta[i] + 1) % 360
rad = math.radians(theta[i])
dacval = 2.048 * (1 + math.sin(rad))
dacval2 = 2.048 * (1 + math.sin(2 * rad))
DAQC.setDAC(i, 0, dacval)
DAQC.setDAC(i, 1, dacval2)
#Retrieve and plot values
a2dvals = daqc[i].a2dupdate()
dinvals = daqc[i].dinupdate()
#Convert data to strings for log
for k in range(8):
if (a2dvals[k] != ''):
logString = logString + str(a2dvals[k]) + ','
aChannelCount += 1
dTypes = dTypes + 'a,'
for k in range(8):
if (dinvals[k] != ''):
logString = logString + str(dinvals[k]) + ','
dChannelCount += 1
dTypes = dTypes + 'd,'
dtypes = dTypes[:-1]
logString = logString[:-1]
logString = time.strftime("%H:%M:%S", time.localtime()) + ',' + logString
if (Logging and lfOpen):
#logString = logString[:-1]
#logString = time.strftime("%H:%M:%S",time.localtime())+','+logString
logFile.write(logString)
logFile.write('\n')
if (Logging and streamOpen):
headerList = logHeader.split(",")
#logString = logString[:-1]
dataList = logString.split(",")
typeList = dTypes.split(",")
#print aChannelCount, dChannelCount, aChannelCount+dChannelCount
for i in range(0, aChannelCount + dChannelCount):
k = i + 1
if (typeList[i] == 'a'):
streamer.log(headerList[k], float(dataList[k]))
#print i,typeList[i],headerList[k],float(dataList[k])
else:
if (dataList[k] == '0'):
streamer.log(headerList[k], "false")
#print i,typeList[i],headerList[k], 'false'
else:
streamer.log(headerList[k], "true")
#print i,typeList[i],headerList[k], 'true'
if (Logging):
SampleC -= 1
root.wm_title("DAQCplate Data Logger - LOGGING - " + str(SampleC) +
" Samples and " + str(SampleT * SampleC) +
" Seconds Remaining")
if (SampleC == 0):
StopLog()
try:
updateSheets()
StartLog()
#showinfo("Logging","Logging Complete")
except:
shutDown()
notebook = Pmw.NoteBook(root, borderwidth=2, pagemargin=2)
notebook.pack(fill='both', expand=1)
DAQCpresent = range(8)
daqc = range(8)
DAQCFoundCount = 0
#daqcpage=range(8)
SampleTmin = 0
for i in range(0, 8):
rtn = DAQC.getADDR(i)
if ((rtn - 8) == i):
DAQCpresent[i] = 1
DAQCFoundCount += 1
DAQC.setDOUTall(i, 0)
DAQC.setPWM(i, 0, 0)
DAQC.setPWM(i, 1, 0)
page = notebook.add('DAQC' + str(i))
notebook.tab('DAQC' + str(i)).focus_set()
daqc[i] = daqcDASH(page, i)
SampleTmin += 0.2
else:
DAQCpresent[i] = 0
if (SampleTmin > 0):
SampleT = SampleTmin
else:
SampleT = 0.2
SamplePeriod = StringVar()
if ColdState == 0:
daqc.clrDOUTbit(0,0) #Hot Off
daqc.setDOUTbit(0,1) #Cold On
HotState = 0
ColdState = 1
Toggled = 1
elif Temp < MinTemp:
if HotState == 0:
daqc.setDOUTbit(0,0) #Hot On
daqc.clrDOUTbit(0,1) #Cold Off
HotState = 1
ColdState = 0
Toggled = 1
else:
if (ColdState == 1) or (HotState == 1):
daqc.setDOUTall(0,0) #all Off
HotState = 0
ColdState = 0
Toggled = 1
#update Last Run
if Toggled == 1:
lrf = open("{0}/last.run".format(PID_PATH), 'w')
lrf.write("{0}".format(now))
lrf.close()
#Update curr.data, then sleep for 1 seconds
out = open("{0}/curr.data".format(PID_PATH), 'w')
out.write("{0},{1},{2},{3},{4},{5},{6}".format(InputVoltage, MainAmps, HotAmps, ColdAmps, Temp, HotState, ColdState))
out.close()
time.sleep(1)
