def show_choices(names,
percentages,
primary_keys,
display_percentages=True,
short_names=True):
lcd.clear()
print("Options:")
options, pks = generate_options(names, percentages, primary_keys,
display_percentages, short_names)
last_idx = len(options) - 1
print(options)
curr_start_idx = 0
key = ''
while True:
option = options[curr_start_idx]
for i in range(0, len(option)):
lcd.string(option[i], LINES[i])
time.sleep(0.2)
while True:
key = kpad.get_key()
for i in range(1, len(option) + 1):
if key == str(i):
time.sleep(0.1)
return pks[curr_start_idx][i - 1]
if key == '*':
lcd.clear()
time.sleep(0.1)
if curr_start_idx == last_idx:
curr_start_idx = 0
elif curr_start_idx < last_idx:
curr_start_idx = (curr_start_idx + 1)
break
if key == '#':
lcd.clear()
time.sleep(0.1)
if curr_start_idx == 0:
curr_start_idx = last_idx
elif curr_start_idx >= 1:
curr_start_idx = (curr_start_idx - 1)
break
if key == 'A':
while True:
cropIDAccepted, pk_manual = acceptManualCropID()
if cropIDAccepted:
return pk_manual
else:
return show_choices(names, percentages, primary_keys)
def acceptFarmID():
lcd.clear()
farmID = ""
key = "E"
time.sleep(0.1)
lcd.string("Enter Farm ID", LINE_1)
lcd.string("*- continue", LINE_2)
lcd.string("#- clear D- back", LINE_3)
#loop until some farm id is entered and * key is pressed. Following loop will only break when valid farm ID is entered
while True:
while key != "*":
lcd.string(farmID, LINE_4)
key = kpad.get_key()
if key == '*':
if len(farmID) == 0:
lcd.clear()
lcd.string("Farm ID can't", LINE_1)
lcd.string("be null", LINE_2)
time.sleep(1)
lcd.clear()
lcd.string("Enter Farm ID", LINE_1)
lcd.string("*- continue", LINE_2)
lcd.string("#- clear D- back", LINE_3)
else:
break
elif key == '#': #for backspacing
if len(farmID) > 0:
farmID = farmID[:-1]
time.sleep(0.1)
elif key == 'D': #return to previous menu
return False, ""
elif key.isdigit():
farmID += key
time.sleep(0.1)
key = ""
if validateFarmID(): # verify farm id
return True, farmID
else:
lcd.clear()
lcd.string("Farm ID is", LINE_1)
lcd.string(" Invalid!", LINE_2)
lcd.string("Please Try Again", LINE_3)
time.sleep(1)
def acceptManualCropID():
lcd.clear()
cropID = ""
key = ""
time.sleep(0.1)
lcd.string(" Enter Crop ID ", LINE_1)
lcd.string(" *- continue ", LINE_2)
lcd.string("#- clear,D- back", LINE_3)
#loop until some crop id is entered and * key is pressed. Following loop will run until valid crop id entered
while True:
while key != "*":
lcd.string(cropID, LINE_4)
key = kpad.get_key()
if key == '*':
if len(cropID) == 0:
lcd.clear()
lcd.string("Crop ID cant", LINE_1)
lcd.string("be null", LINE_2)
time.sleep(1)
lcd.clear()
lcd.string(" Enter Crop ID ", LINE_1)
lcd.string(" *- continue ", LINE_2)
lcd.string("#- clear,D- back", LINE_3)
else:
break
elif key == '#': #for backspacing
if len(cropID) > 0:
cropID = cropID[:-1]
time.sleep(0.1)
elif key == 'D': #return to previous menu
return False, ""
elif key.isdigit():
cropID += key
time.sleep(0.2)
key = ""
if validateCropID(): # verify Crop id
return True, cropID
else:
lcd.clear()
lcd.string("Crop ID is", LINE_1)
lcd.string(" Invalid!", LINE_2)
lcd.string("Please Try Again", LINE_3)
time.sleep(1)
def display_screen():
weight = 0
while True:
key = "E"
while key is not '*':
weight = displayWeight()
key = kpad.get_key()
if key == 'D':
tare()
elif key == 'A':
lcd.clear()
lcd.string(" System", LINE_2)
lcd.string(" Shutting down...", LINE_3)
active = 0
os.system("sudo poweroff")
lcd.clear()
break
elif key == 'B':
lcd.clear()
lcd.string(" Script", LINE_2)
lcd.string(" Restarting", LINE_3)
lcd.string(" Please wait...", LINE_4)
active = 0
GPIO.cleanup()
sys.stdout.flush()
os.execv(sys.executable, ['python3'] + sys.argv)
break
elif key == 'C':
lcd.clear()
lcd.string(" System", LINE_2)
lcd.string(" Restarting", LINE_3)
lcd.string(" Please wait...", LINE_4)
active = 0
os.system("sudo reboot")
break
if (weight < min_weight):
continue
else:
return weight
def show_prediction(names, percentages, primary_keys):
lcd.clear()
time.sleep(0.1)
s = ("Confidence: {:05.2f}".format(percentages[0] * 100)) + '%'
lcd.string("A to enter manually", LINE_2)
lcd.string(names[0], LINE_1)
lcd.string(s, LINE_2)
lcd.string("A -> enter manually", LINE_3)
lcd.string("*->next, #->change", LINE_4)
#lcd.string("# to change", LINE_4)
key = ""
while True:
if key == '*':
return primary_keys[0]
if key == '#':
return show_choices(names, percentages, primary_keys)
if key == 'A':
while True:
cropIDAccepted, pk_manual = acceptManualCropID()
if cropIDAccepted:
return pk_manual
else:
return show_prediction(names, percentages, primary_keys)
key = kpad.get_key()