Merge pull request #3 from hexthat/patch-1

feather_m4_express with miniTFT joypad featherwing

Author: deshipu

feather_m4_minitft_featherwing/stage.py

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

feather_m4_minitft_featherwing/ugame.py

@@ -0,0 +1,80 @@
+from collections import namedtuple
+import board
+from micropython import const
+from adafruit_seesaw.seesaw import Seesaw
+from adafruit_seesaw.pwmout import PWMOut
+import stage
+import displayio
+
+BUTTON_RIGHT = const(7)
+BUTTON_DOWN = const(4)
+BUTTON_LEFT = const(3)
+BUTTON_UP = const(2)
+BUTTON_SEL = const(11)
+BUTTON_A = const(10)
+BUTTON_B = const(9)
+
+Buttons = namedtuple("Buttons", "up down left right a b select")
+
+button_mask = ((1 << BUTTON_RIGHT) |
+                (1 << BUTTON_DOWN) |
+                (1 << BUTTON_LEFT) |
+                (1 << BUTTON_UP) |
+                (1 << BUTTON_SEL) |
+                (1 << BUTTON_A) |
+                (1 << BUTTON_B))
+
+_INIT_SEQUENCE = bytearray(
+    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\x68"  # _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
+)
+
+i2c = board.I2C()
+spi = board.SPI()
+ss = Seesaw(i2c, 0x5E)
+backlight = PWMOut(ss, 5)
+brightness = 1  # 0 full off, 1 full on, 0.5 half
+backlight.duty_cycle = int(255 * min(max(1 - brightness, 0.0), 1.0))
+ss.pin_mode_bulk(button_mask, ss.INPUT_PULLUP)
+displayio.release_displays()
+while not spi.try_lock():
+    pass
+spi.configure(baudrate=24000000)
+spi.unlock()
+ss.pin_mode(8, ss.OUTPUT)
+ss.digital_write(8, True)  # Reset the Display via Seesaw
+display_bus = displayio.FourWire(spi,
+                                 command=board.D6,
+                                 chip_select=board.D5)
+display = displayio.Display(display_bus, _INIT_SEQUENCE, width=160, height=80, rowstart=24)
+ss.pin_mode_bulk(button_mask, ss.INPUT_PULLUP)
+# clean up some RAM
+del _INIT_SEQUENCE, brightness
+
+def buttons():
+    """
+    Return a set of buttons with current push values
+    """
+    button_values = ss.digital_read_bulk(button_mask)
+    return Buttons(*[not button_values & (1 << button) for button in
+                     (BUTTON_UP, BUTTON_DOWN, BUTTON_LEFT, BUTTON_RIGHT,
+                      BUTTON_A, BUTTON_B, BUTTON_SEL)])