lcd160cr.py 文件源码

def __init__(self, connect=None, *, pwr=None, i2c=None, spi=None, i2c_addr=98):
        if connect in ('X', 'Y', 'XY', 'YX'):
            i = connect[-1]
            j = connect[0]
            y = j + '4'
        elif connect == 'C':
            i = 2
            j = 2
            y = 'A7'
        else:
            if pwr is None or i2c is None or spi is None:
                raise ValueError('must specify valid "connect" or all of "pwr", "i2c" and "spi"')

        if pwr is None:
            pwr = machine.Pin(y, machine.Pin.OUT)
        if i2c is None:
            i2c = machine.I2C(i, freq=1000000)
        if spi is None:
            spi = machine.SPI(j, baudrate=13500000, polarity=0, phase=0)

        if not pwr.value():
            pwr(1)
            sleep_ms(10)
        # else:
        # alread have power
        # lets be optimistic...

        # set connections
        self.pwr = pwr
        self.i2c = i2c
        self.spi = spi
        self.i2c_addr = i2c_addr

        # create temp buffers and memoryviews
        self.buf16 = bytearray(16)
        self.buf19 = bytearray(19)
        self.buf = [None] * 10
        for i in range(1, 10):
            self.buf[i] = memoryview(self.buf16)[0:i]
        self.buf1 = self.buf[1]
        self.array4 = [0, 0, 0, 0]

        # set default orientation and window
        self.set_orient(PORTRAIT)
        self._fcmd2b('<BBBBBB', 0x76, 0, 0, self.w, self.h) # viewport 'v'
        self._fcmd2b('<BBBBBB', 0x79, 0, 0, self.w, self.h) # window 'y'