def probe():
'''Returns PicoLCD objects for all the PicoLCDs found on
the system.'''
lcd_device = peephole.drivers.driver.get_usb_device(VENDOR_ID, DEVICE_ID)
if lcd_device is None:
return []
else:
pico = PicoLCD(lcd_device)
return [pico]
def setUp(self):
self.factory = self.mock()
self.event_listener = self.mock()
self.usb_device = self.mock()
self.buttons = []
self.picolcd = PicoLCD(self.usb_device, factory_mock=self.factory)
# buttons!
for (name, keysym_and_led) in PicoLCD.button_map.items():
(keysym, led) = keysym_and_led
new_button = self.mock()
new_button.name = name
new_button.keysym = keysym
self.buttons.append(new_button)
#self.factory.expects(once()).makeButton(same(self.picolcd), eq(name), eq(keysym))
self.factory.expects(once()).makeButtons(
same(self.picolcd),
eq(PicoLCD.button_map)).will(return_value(self.buttons))
self.device = self.mock()
self.event_listener = self.mock()
self.vu_meter = self.mock()
self.device.expects(once()).start()
self.factory.expects(once()).makeDevice(same(self.usb_device)).will(
return_value(self.device))
self.factory.expects(once()).makeEventListener(same(self.device)).will(
return_value(self.event_listener))
self.factory.expects(once()).makeVUMeter(same(self.picolcd)).will(
return_value(self.vu_meter))
self.vu_meter.expects(once()).writeVUBars()
self.event_listener.expects(once()).connect(
eq('buttonPressed'), bound_method(PicoLCD, 'onButtonPressed'))
self.event_listener.expects(once()).start()
# this will have to be here until I factor out
# the packet generator(s).
# turning off all the LEDs by default:
self.device.expects(once()).write_command(eq('\x81\x00'))
self.picolcd.start()
