94 lines
2.5 KiB
Python
94 lines
2.5 KiB
Python
import machine
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from micropython import const
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from breakout_colourlcd240x240 import BreakoutColourLCD240x240
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import pimoroni
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# Constants and definitions
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PICOSYSTEM_LCD_SPI = const(0)
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PICOSYSTEM_LCD_RESET = const(4)
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PICOSYSTEM_LCD_CS = const(5)
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PICOSYSTEM_LCD_SCK = const(6)
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PICOSYSTEM_LCD_MOSI = const(7)
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PICOSYSTEM_LCD_VSYNC = const(8)
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PICOSYSTEM_LCD_DC = const(9)
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PICOSYSTEM_LCD_BL = const(12)
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PICOSYSTEM_AUDIO = const(11)
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PICOSYSTEM_A = const(18)
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PICOSYSTEM_B = const(19)
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PICOSYSTEM_X = const(17)
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PICOSYSTEM_Y = const(16)
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PICOSYSTEM_UP = const(23)
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PICOSYSTEM_DOWN = const(20)
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PICOSYSTEM_LEFT = const(22)
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PICOSYSTEM_RIGHT = const(21)
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PICOSYSTEM_LED_R = const(14)
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PICOSYSTEM_LED_G = const(13)
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PICOSYSTEM_LED_B = const(15)
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PICOSYSTEM_BAT_SENSE = const(26)
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PICOSYSTEM_CHARGE_STATUS = const(24)
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PICOSYSTEM_VBUS_STATUS = const(2)
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# Display dimensions
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WIDTH = BreakoutColourLCD240x240.WIDTH
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HEIGHT = BreakoutColourLCD240x240.HEIGHT
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# PicoSystem Buttons
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BUTTON_A = const(0)
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BUTTON_B = const(1)
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BUTTON_X = const(2)
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BUTTON_Y = const(3)
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DPAD_UP = const(4)
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DPAD_DOWN = const(5)
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DPAD_LEFT = const(6)
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DPAD_RIGHT = const(7)
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BUTTON_PINS = (PICOSYSTEM_A, PICOSYSTEM_B, PICOSYSTEM_X, PICOSYSTEM_Y, PICOSYSTEM_UP, PICOSYSTEM_DOWN, PICOSYSTEM_LEFT, PICOSYSTEM_RIGHT)
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buttons = [machine.Pin(p, machine.Pin.IN, machine.Pin.PULL_UP) for p in BUTTON_PINS]
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# PicoSystem Audio
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audio_pin = machine.Pin(PICOSYSTEM_AUDIO)
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buzzer = machine.PWM(audio_pin)
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buzzer.duty_u16(0)
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def buzz(freq, duty=0.5):
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if freq < 50.0: # uh... https://github.com/micropython/micropython/blob/af64c2ddbd758ab6bac0fcca94c66d89046663be/ports/rp2/machine_pwm.c#L105-L119
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buzzer.duty_u16(0)
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else:
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buzzer.freq(freq)
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buzzer.duty_u16(int(65535 * duty))
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# PicoSystem Status
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battery_sense = pimoroni.Analog(PICOSYSTEM_BAT_SENSE, amplifier_gain=(1.0 / 3.0))
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charge_status = machine.Pin(PICOSYSTEM_CHARGE_STATUS, machine.Pin.IN)
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vbus_status = machine.Pin(PICOSYSTEM_VBUS_STATUS, machine.Pin.IN)
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# PicoSystem Display
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# Bring the LCD out of reset
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lcd_reset = machine.Pin(PICOSYSTEM_LCD_RESET, machine.Pin.OUT)
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lcd_reset.value(1)
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display_buffer = bytearray(WIDTH * HEIGHT * 2) # 2-bytes per pixel (RGB565)
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display = BreakoutColourLCD240x240(
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display_buffer,
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PICOSYSTEM_LCD_SPI,
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PICOSYSTEM_LCD_CS,
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PICOSYSTEM_LCD_DC,
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PICOSYSTEM_LCD_SCK,
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PICOSYSTEM_LCD_MOSI,
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PICOSYSTEM_LCD_BL)
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display.update()
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display.set_backlight(1.0)
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# PicoSystem LED
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led = pimoroni.RGBLED(PICOSYSTEM_LED_R, PICOSYSTEM_LED_G, PICOSYSTEM_LED_B, invert=False)
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led.set_rgb(0, 0, 0)
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