def SubmitWeight(workOrderNumber, weight, testingMode):
"""submit weight to web api"""
# make some fake apiResult data if we're testing
if (testingMode):
result = ApiResponse(200, "everything is awesome!")
return result
try:
h = httplib2.Http('.cache')
url = 'http://incomtek3-test/api/partWeights/records/scale/' + workOrderNumber + "/" + weight
response, content = h.request(url, "POST", headers={'content-length':'0'} )
responseStatus = response.status
data = content.decode("utf-8") # convert byte to string
result = ApiResponse(responseStatus, data)
return result
except Exception as e:
import LcdStuff as lcd
lcd.setText(e.args[0])
import LedConfig as leds
leds.blinkNoGoLeds()
finally:
pass
def SubmitWeight(workOrderNumber, weight, testingMode):
"""submit weight to web api"""
# make some fake apiResult data if we're testing
if (testingMode):
pass
#result = ApiResponse(200, "everything is awesome!")
#return result
try:
h = httplib2.Http('.cache')
url = 'http://incomtek3/api/partWeights/records/scale/' + workOrderNumber + "/" + weight
response, content = h.request(url,
"POST",
headers={'content-length': '0'})
responseStatus = response.status
data = content.decode("utf-8") # convert byte to string
result = ApiResponse(responseStatus, data)
return result
except Exception as e:
import LcdStuff as lcd
# lcd.setText(e.args[0])
lcd.setText("There was an error sending the weight")
import LedConfig as leds
leds.blinkNoGoLeds()
finally:
pass
def exitPiScale(args):
global time_stamp
a = False
b = False
c = False
x = 0
while (btns.btnExit.state == GPIO.HIGH):
time.sleep(0.1)
x = x + 0.1
if (x < 5):
if (a == False):
lcd.setText("release button to", "resume part weight",
"continue to hold for", "more options")
a = True
if (x >= 5 and x < 10):
if (b == False):
a = False
lcd.setText("release button to", "restart",
"continue to hold for", "more options")
b = True
if (x >= 10 and x < 15):
if (c == False):
b = False
lcd.setText("release button to", "shutdown",
"continue to hold for", "more options")
c = True
if (x >= 15):
lcd.setText("system ready", " ", "You can release",
"the button now!")
a = True
b = False
c = False
if (a):
lcd.setText("system ready")
else:
if (b):
lcd.setText("rebooting")
GPIO.cleanup()
reboot()
if (c):
lcd.setText("shutting down...")
halt()
halt()
def reboot():
import os
os.system("sudo reboot now")
def halt():
import os
os.system("sudo halt now")
# setup the button to exit
# when a rising edge is detected on the Exit button pin, regardless of whatever
# else is happening in the program, the exitPiScale function will be called
GPIO.add_event_detect(btns.btnExit.pin,
GPIO.RISING,
callback=exitPiScale,
bouncetime=150)
try:
lcd.setText("PiScale started, ", "waiting for data", "", "")
leds.statusLed.turnOn()
except Exception as e:
lcd.setText(e)
finally:
pass
def getData(testingMode):
try:
#data = ser.readline()
if (testingMode == True and btns.btnSimData.state == GPIO.HIGH):
data = getTestData()
result = data
else:
data = ser.readline()
try:
result = data.decode(encoding='UTF-8')
except:
result = ""
# result should be a string something like 00199387 0.186KG
# length should be exactly 18
length = len(result)
pw = pwr(False, "", "", False, "no data")
if (length == 0): return pw
if (length > 0):
pw.hasData = True
if (length == 22 or length == 29):
pw.success = True
#work order number is the first 8 chars
result = remove_control_characters(result)
if (length == 22):
pw.workOrderNumber = result[:9].strip()
else:
pw.workOrderNumber = result[:16].strip()
print(pw.workOrderNumber)
# weight is the last 11 (or so) chars
pw.weight = result[-11:].strip()
print(pw.weight)
uom = pw.weight[-2:] # get the UoM, it must bt LG
uom2 = pw.weight[-3:] # get the UoM, it must bt LG
# for some reason, the scale in now returning "LN" as the lbs uom - Jun 06 2016
if (uom == "LG" or uom2 == "LGM" or uom == "LN" or uom2 == "LNM"):
print("good UoM")
print(uom)
pass
else:
pw.success = False
pw.msg = "Invalid U of M"
print(uom)
return pw
pw.weight = pw.weight[:-2] # get rid of the letters at the end
if (pw.weight == "0.000"):
pw.success = False
pw.msg = "A zero weight was found, ensure item is on scale"
else:
pw.success = False
pw.msg = "An invalid number of characters was read from the scale"
pw.workOrderNumber = ""
pw.weight = "-1"
return pw
except Exception as e:
error = e.args[0]
error2 = e.args[1]
lcd.setText(error, error2)
def displayWoAndWeight(workOrderNumber, weight):
lcd.setText("Work Order:", workOrderNumber, "Weight:", weight)
def alert(msg1, msg2 = "", msg3 = ""):
lcd.setText(msg1, msg2, msg3, pressAckMsg)
leds.blinkNoGoLeds()
lcd.setText(readyText)
def alert(msg1, msg2 = "", msg3 = ""):
lcd.setText(msg1, msg2, msg3, pressAckMsg)
leds.blinkNoGoLeds()
lcd.setText(readyText)
try:
while (True):
#exit by pressing the Exit button
# .getData returns the PartWeightResult object
pw = mySerial.getData(testingMode)
# no data from scale, keep on truckin'
if (pw.hasData == False): continue
lcd.addTextToBottom("Received data:")
# Data from scale
# data is good
if (pw.success):
#leds.goLed.turnOn()
lcd.clearText()
lcd.addTextToBottom("WO: " + pw.workOrderNumber)
lcd.addTextToBottom("Weight: " + pw.weight)
# send data to webApi and get the result
lcd.addTextToBottom("Submitting data...", True)
apiResult = webApi.SubmitWeight(pw.workOrderNumber, pw.weight, testingMode)
# some error occured, but it was (probably already handled,
def getData(testingMode):
try:
#data = ser.readline()
if (testingMode == True and btns.btnSimData.state == GPIO.HIGH):
data = getTestData()
result = data
else:
data = ser.readline()
try:
result = data.decode(encoding='UTF-8')
except:
result = ""
# result should be a string something like 00199387 0.186KG
# length should be exactly 18
length = len(result)
pw = pwr(False, "", "", False, "no data")
if (length == 0): return pw
if (length > 0):
pw.hasData = True
if (length == 22 or length == 29):
pw.success = True
#work order number is the first 8 chars
result = remove_control_characters(result)
if (length == 22):
pw.workOrderNumber = result[:9].strip()
else:
pw.workOrderNumber = result[:16].strip()
print(pw.workOrderNumber)
# weight is the last 11 (or so) chars
pw.weight = result[-11:].strip()
print(pw.weight)
uom = pw.weight[-2:] # get the UoM, it must bt LG
uom2 = pw.weight[-3:] # get the UoM, it must bt LG
# for some reason, the scale in now returning "LN" as the lbs uom - Jun 06 2016
if (uom == "LG" or uom2 == "LGM" or uom == "LN"
or uom2 == "LNM"):
print("good UoM")
print(uom)
pass
else:
pw.success = False
pw.msg = "Invalid U of M"
print(uom)
return pw
pw.weight = pw.weight[:-2] # get rid of the letters at the end
if (pw.weight == "0.000"):
pw.success = False
pw.msg = "A zero weight was found, ensure item is on scale"
else:
pw.success = False
pw.msg = "An invalid number of characters was read from the scale"
pw.workOrderNumber = ""
pw.weight = "-1"
return pw
except Exception as e:
error = e.args[0]
error2 = e.args[1]
lcd.setText(error, error2)
def displayWoAndWeight(workOrderNumber, weight):
lcd.setText("Work Order:", workOrderNumber, "Weight:", weight)
def exitPiScale(args):
global time_stamp
a=False
b=False
c=False
x=0
while(btns.btnExit.state == GPIO.HIGH):
time.sleep(0.1)
x = x + 0.1
if (x < 5):
if (a== False):
lcd.setText("release button to", "resume part weight", "continue to hold for", "more options")
a = True
if (x >= 5 and x < 10):
if (b == False):
a = False
lcd.setText("release button to", "restart", "continue to hold for", "more options")
b = True
if (x >= 10 and x < 15):
if (c == False):
b = False
lcd.setText("release button to", "shutdown", "continue to hold for", "more options")
c = True
if (x >= 15):
lcd.setText("system ready", " ", "You can release", "the button now!")
a = True
b = False
c = False
if (a):
lcd.setText("system ready")
else:
if (b):
lcd.setText("rebooting")
GPIO.cleanup()
reboot()
if (c):
lcd.setText("shutting down...")
halt()
reboot()
if (c):
lcd.setText("shutting down...")
halt()
def reboot():
import os
os.system("sudo reboot now")
def halt():
import os
os.system("sudo halt now")
# setup the button to exit
# when a rising edge is detected on the Exit button pin, regardless of whatever
# else is happening in the program, the exitPiScale function will be called
GPIO.add_event_detect(btns.btnExit.pin, GPIO.RISING, callback=exitPiScale, bouncetime=150)
try:
lcd.setText("PiScale started, ", "waiting for data", "", "")
leds.statusLed.turnOn()
except Exception as e:
lcd.setText(e)
finally:
pass
def alert(msg1, msg2="", msg3=""):
lcd.setText(msg1, msg2, msg3, pressAckMsg)
leds.blinkNoGoLeds()
lcd.setText(readyText)
def alert(msg1, msg2="", msg3=""):
lcd.setText(msg1, msg2, msg3, pressAckMsg)
leds.blinkNoGoLeds()
lcd.setText(readyText)
try:
while (True):
#exit by pressing the Exit button
# .getData returns the PartWeightResult object
pw = mySerial.getData(testingMode)
# no data from scale, keep on truckin'
if (pw.hasData == False): continue
lcd.addTextToBottom("Received data:")
# Data from scale
# data is good
if (pw.success):
#leds.goLed.turnOn()
lcd.clearText()
lcd.addTextToBottom("WO: " + pw.workOrderNumber)
lcd.addTextToBottom("Weight: " + pw.weight)
# send data to webApi and get the result
lcd.addTextToBottom("Submitting data...", True)
apiResult = webApi.SubmitWeight(pw.workOrderNumber, pw.weight,
testingMode)
