def lcd():
form = LcdForm()
if form.validate_on_submit():
my_gpio = mygpio.MyGPIO()
result = my_gpio.lcd_display_text(form.lcd_text.data)
if result:
message = "Sent text '%s' to display" % (form.lcd_text.data, )
return render_template('lcd.html',
title='LCD Display',
info_message=message,
form=form)
else:
error = "Error when sending text to LCD, make sure that is properly connected"
return render_template('lcd.html',
title='LCD Display',
error_message=error,
form=form)
my_gpio = mygpio.MyGPIO()
error = None
if not my_gpio.is_lcd_connected():
error = "There is no LCD connected!"
return render_template('lcd.html',
title='LCD Display',
error_message=error,
form=form)
def gpio():
form = GenericCPIOForm()
my_gpio = mygpio.MyGPIO()
pins = my_gpio.get_pins()
if form.validate_on_submit():
pin_info = my_gpio.get_pin_info(form.pin.data)
if pin_info is not None:
my_gpio.configure()
if form.value.data == 'high':
my_gpio.turn_on(pin_info['bcm'])
else:
my_gpio.turn_off(pin_info['bcm'])
error_message = None
info_message = 'Pin %s (# %s) setted as %s' % (
pin_info['title'], form.pin.data, form.value.data)
else:
info_message = None
error_message = 'You cannot send outputs to VCC or GND pins'
return render_template('gpio_board.html',
title='GPIO',
form=form,
pins=pins,
info_message=info_message,
error_message=error_message)
return render_template('gpio_board.html',
title='GPIO',
form=form,
pins=pins)
def lcd_rows():
form = LcdRowForm()
if form.validate_on_submit():
my_gpio = mygpio.MyGPIO()
result = my_gpio.lcd_display_rowtext(form.lcd_text.data,
form.lcd_row.data)
if result:
message = "Sent text '%s' for row '%s' to display" % (
form.lcd_text.data, form.lcd_row.data)
return render_template('lcd.html',
title='LCD Display',
info_message=message,
form=form)
else:
error = "Error when sending text to LCD, make sure that is properly connected"
return render_template('lcd.html',
title='LCD Display',
error_message=error,
form=form)
form = LcdForm()
return render_template('lcd.html',
title='LCD Display',
error_message=None,
form=form)
def gpio_blink_pin(pin, repetitions, pause_time):
my_gpio = mygpio.MyGPIO()
my_gpio.configure()
for i in range(repetitions):
my_gpio.turn_on(pin)
time.sleep(pause_time)
my_gpio.turn_off(pin)
time.sleep(pause_time / 2)
def lcd_clear():
my_gpio = mygpio.MyGPIO()
result = my_gpio.lcd_clear()
error = None
if not result:
error = "Error when sending clear command to LCD, make sure that is properly connected"
form = LcdForm()
return render_template('lcd.html',
title='LCD Display',
error_message=error,
form=form)