microcontroller.py

import pyb

pins = pyb.Pin.board


class Microcontroller:
    _instance = None

    def __new__(cls, *args, **kwargs):
        if not cls._instance:
            cls._instance = super().__new__(cls, *args, **kwargs)
        return cls._instance

    def __init__(self, smallBoard=False):
        self.R1 = None
        self.R2 = None
        self.B2 = None
        self.G1 = None
        self.G2 = None
        self.A = None
        self.B = None
        self.C = None
        self.D = None
        self.OE = None
        self.LAT = None
        self.CLK = None
        self.smallBoard = smallBoard
        self.set_RGB_pins()
        self.set_row_select_pins()
        self.set_control_pins()

    def set_RGB_pins(self, R1, R2, B1, B2, G1, G2):
        raise NotImplementedError('Need to implement set_RGB_data method.')

    def set_row_select_pins(self, A, B, C, D):
        raise NotImplementedError('Need to implement set_row_select method.')

    def set_control_pins(self, LAT, OE):
        raise NotImplementedError('Need to implement set_control_pins method.')

    def latch(self):
        self.LAT.value(0)
        pyb.udelay(500)
        self.LAT.value(1)


class Pyboard(Microcontroller):

    def set_RGB_pins(
            self,
            R1=pins.Y1,
            R2=pins.Y2,
            B1=pins.Y3,
            B2=pins.Y4,
            G1=pins.Y5,
            G2=pins.Y6):
        self.R1 = pyb.Pin(R1, pyb.Pin.OUT)
        self.R2 = pyb.Pin(R2, pyb.Pin.OUT)
        self.B1 = pyb.Pin(B1, pyb.Pin.OUT)
        self.B2 = pyb.Pin(B2, pyb.Pin.OUT)
        self.G1 = pyb.Pin(G1, pyb.Pin.OUT)
        self.G2 = pyb.Pin(G2, pyb.Pin.OUT)

    def set_row_select_pins(self, A=pins.Y7, B=pins.Y8, C=pins.X9, D=pins.X10):
        self.A = pyb.Pin(A, pyb.Pin.OUT)
        self.B = pyb.Pin(B, pyb.Pin.OUT)
        self.C = pyb.Pin(C, pyb.Pin.OUT)
        self.D = pyb.Pin(D, pyb.Pin.OUT)

    def set_control_pins(self, LAT=pins.X11, OE=pins.X12, CLK=pins.X1):
        self.LAT = pyb.Pin(LAT, pyb.Pin.OUT)
        self.LAT.value(1)
        self.OE = pyb.Pin(OE, pyb.Pin.OUT)
        self.CLK = pyb.Pin(CLK, pyb.Pin.OUT)