def test():
print('''Main screen populates text box slowly to show
wrapping in action. "Fast" screen
shows fast updates using internal font. "Tab"
screen shows use of tab characters with Python
font.
Text boxes may be scrolled by touching them near
the top or bottom.''')
setup()
Screen.change(BaseScreen)
def setup():
pwr = Pin(25, Pin.OUT)
pwr(1)
sleep_ms(100)
# Hardware SPI on native pins for performance. See examples in doc
# http://docs.micropython.org/en/latest/esp32/quickref.html#hardware-spi-bus
# Seems to be necessary to explicitly state pin ID's even when using defaults
spi = SPI(1, 10_000_000, sck=Pin(14), mosi=Pin(13), miso=Pin(12))
i2c = I2C(0, freq=1_000_000
) # As per examples in docs, don't need to specify defaults
# Alternatives. Note pin 19 conflicts with native I2C(0)
#spi = SPI(2, 10_000_000, sck=Pin(18), mosi=Pin(23), miso=Pin(19))
#i2c = I2C(1, scl=Pin(25), sda=Pin(26), freq=1_000_000)
#i2c = I2C(0, scl=Pin(18), sda=Pin(19), freq=1_000_000)
lcd = LCD160CR_G(pwr=pwr, spi=spi, i2c=i2c) # Set connection
lcd.set_orient(lcd160cr.LANDSCAPE) # and orientation
Screen.setup(lcd)
def fwd(button):
Screen.change(cls_screen)
def rbcb(button, screen, clip): # RadioButton callback
Screen.change(screen, args=(clip, ))
def back(self, button, text):
Aperture.value(text) # Save value for calling screen
Screen.back()
def back(self, button, text):
Aperture.value(text)
Screen.back()
def back(button):
Screen.back()
def quit(button):
Screen.shutdown()
def _touched(self, x, y):
if len(self.elements) > 1:
location = self.location[0], self.location[1] + self.height + 1
args = (location, self, self.width - self.height)
Screen.change(_ListDialog, args = args)
def callback(self, obj_listbox):
if obj_listbox._initial_value is not None: # a touch has occurred
val = obj_listbox.textvalue()
Screen.back()
if self.dropdown is not None: # Part of a Dropdown
self.dropdown.value(obj_listbox.value()) # Update it
def test():
print('Test TFT panel...')
setup()
Screen.change(StartScreen)
def clear(self):
tft = Screen.get_tft()
self.curves = set()
tft.fill_rectangle(self.x0, self.y0, self.x1, self.y1, self.bgcolor)
self.show()
def setup():
lcd = LCD160CR_G("Y") # Set connection
lcd.set_orient(lcd160cr.LANDSCAPE) # and orientation
Screen.setup(lcd)
def test():
print('Test TFT panel...')
setup()
Screen.set_grey_style(desaturate=False) # dim
Screen.change(SliderScreen) # Run it!
def rbcb(button, screen): # RadioButton callback
Screen.change(screen)
def pt():
print('Testing plot module...')
setup()
Screen.change(BaseScreen)
def test():
print('Testing TFT...')
setup()
Screen.change(BaseScreen)
def fwd(button, screen):
Screen.change(screen)
def test():
setup()
Screen.change(BaseScreen)
def fwd(button):
Screen.change(BackScreen)
def fwd(button):
Screen.change(cls_screen, args=args, kwargs=kwargs)