Add setup for itsybitsy_m4_express

Author: deshipu

itsybitsy_m4_express/stage.py

@@ -0,0 +1 @@
+../stage.py

itsybitsy_m4_express/ugame.py

@@ -0,0 +1,81 @@
+"""
+A helper module that initializes the display and buttons for the uGame
+game console. See https://hackaday.io/project/27629-game
+"""
+
+import board
+import digitalio
+import gamepad
+import stage
+import displayio
+import busio
+
+
+K_X = 0x01
+K_DOWN = 0x02
+K_LEFT = 0x04
+K_RIGHT = 0x08
+K_UP = 0x10
+K_O = 0x20
+K_START = 0x40
+K_SELECT = 0x00
+
+
+_INIT_SEQUENCE = (
+    b"\x01\x80\x96" # SWRESET and Delay 150ms
+    b"\x11\x80\xff" # SLPOUT and Delay
+    b"\xb1\x03\x01\x2C\x2D" # _FRMCTR1
+    b"\xb2\x03\x01\x2C\x2D" # _FRMCTR2
+    b"\xb3\x06\x01\x2C\x2D\x01\x2C\x2D" # _FRMCTR3
+    b"\xb4\x01\x07" # _INVCTR line inversion
+    b"\xc0\x03\xa2\x02\x84" # _PWCTR1 GVDD = 4.7V, 1.0uA
+    b"\xc1\x01\xc5" # _PWCTR2 VGH=14.7V, VGL=-7.35V
+    b"\xc2\x02\x0a\x00" # _PWCTR3 Opamp current small, Boost frequency
+    b"\xc3\x02\x8a\x2a"
+    b"\xc4\x02\x8a\xee"
+    b"\xc5\x01\x0e" # _VMCTR1 VCOMH = 4V, VOML = -1.1V
+    b"\x20\x00" # _INVOFF
+    b"\x36\x01\x18" # _MADCTL bottom to top refresh
+    # 1 clk cycle nonoverlap, 2 cycle gate rise, 3 sycle osc equalie,
+    # fix on VTL
+    b"\x3a\x01\x05" # COLMOD - 16bit color
+    b"\xe0\x10\x02\x1c\x07\x12\x37\x32\x29\x2d\x29\x25\x2B\x39\x00\x01\x03\x10" # _GMCTRP1 Gamma
+    b"\xe1\x10\x03\x1d\x07\x06\x2E\x2C\x29\x2D\x2E\x2E\x37\x3F\x00\x00\x02\x10" # _GMCTRN1
+    b"\x13\x80\x0a" # _NORON
+    b"\x29\x80\x64" # _DISPON
+)
+
+displayio.release_displays()
+_tft_spi = busio.SPI(clock=board.SCK, MOSI=board.MOSI)
+_tft_spi.try_lock()
+_tft_spi.configure(baudrate=24000000)
+_tft_spi.unlock()
+_fourwire = displayio.FourWire(_tft_spi, command=board.A3,
+                               chip_select=board.A2, reset=board.A4)
+display = displayio.Display(_fourwire, _INIT_SEQUENCE, width=160, height=128,
+                            rotation=0, backlight_pin=board.A5)
+display.auto_brightness = True
+
+buttons = gamepad.GamePad(
+    digitalio.DigitalInOut(board.SCL),
+    digitalio.DigitalInOut(board.D12),
+    digitalio.DigitalInOut(board.D11),
+    digitalio.DigitalInOut(board.D9),
+    digitalio.DigitalInOut(board.D10),
+    digitalio.DigitalInOut(board.D7),
+    digitalio.DigitalInOut(board.SDA),
+)
+
+
+class DummyAudio:
+    def play(self, f, loop=False):
+        pass
+
+    def stop(self):
+        pass
+
+    def mute(self, mute):
+        pass
+
+
+audio = DummyAudio()

pybadge/ugame.py

@@ -18,7 +18,7 @@
 K_UP = 0x40
 K_O = 0x01
 K_START = 0x04
-K_SECLECT = 0x08
+K_SELECT = 0x08
 
 # re-initialize the display for correct rotation and RGB mode
 displayio.release_displays()