Ejemplo n.º 1
0
class Inkplate:
    INKPLATE_1BIT = 0
    INKPLATE_2BIT = 1

    BLACK = 1
    WHITE = 0

    _width = D_COLS
    _height = D_ROWS

    rotation = 0
    displayMode = 0
    textSize = 1

    def __init__(self, mode):
        self.displayMode = mode
        try:
            os.mount(
                sdcard.SDCard(
                    machine.SPI(
                        1,
                        baudrate=80000000,
                        polarity=0,
                        phase=0,
                        bits=8,
                        firstbit=0,
                        sck=Pin(14),
                        mosi=Pin(13),
                        miso=Pin(12),
                    ),
                    machine.Pin(15),
                ),
                "/sd",
            )
        except:
            pass

    def begin(self):
        _Inkplate.init(I2C(0, scl=Pin(22), sda=Pin(21)))

        self.ipg = InkplateGS2()
        self.ipm = InkplateMono()
        self.ipp = InkplatePartial(self.ipm)

        self.GFX = GFX(
            D_COLS,
            D_ROWS,
            self.writePixel,
            self.writeFastHLine,
            self.writeFastVLine,
            self.writeFillRect,
            None,
            None,
        )

    def clearDisplay(self):
        self.ipg.clear()
        self.ipm.clear()

    def display(self):
        if self.displayMode == 0:
            self.ipm.display()
        elif self.displayMode == 1:
            self.ipg.display()

    def partialUpdate(self):
        if self.displayMode == 1:
            return
        self.ipp.display()

    def clean(self):
        self.einkOn()
        _Inkplate.clean(0, 1)
        _Inkplate.clean(1, 12)
        _Inkplate.clean(2, 1)
        _Inkplate.clean(0, 11)
        _Inkplate.clean(2, 1)
        _Inkplate.clean(1, 12)
        _Inkplate.clean(2, 1)
        _Inkplate.clean(0, 11)
        self.einkOff()

    def einkOn(self):
        _Inkplate.power_on()

    def einkOff(self):
        _Inkplate.power_off()

    def width(self):
        return self._width

    def height(self):
        return self._height

    # Arduino compatibility functions
    def setRotation(self, x):
        self.rotation = x % 4
        if self.rotation == 0 or self.rotation == 2:
            self._width = D_COLS
            self._height = D_ROWS
        elif self.rotation == 1 or self.rotation == 3:
            self._width = D_ROWS
            self._height = D_COLS

    def getRotation(self):
        return self.rotation

    def drawPixel(self, x, y, c):
        self.startWrite()
        self.writePixel(x, y, c)
        self.endWrite()

    def startWrite(self):
        pass

    def writePixel(self, x, y, c):
        if x > self.width() - 1 or y > self.height() - 1 or x < 0 or y < 0:
            return
        if self.rotation == 1:
            x, y = y, x
            x = self.height() - x - 1
        elif self.rotation == 2:
            x = self.width() - x - 1
            y = self.height() - y - 1
        elif self.rotation == 3:
            x, y = y, x
            y = self.width() - y - 1
        (self.ipm.pixel if self.displayMode == self.INKPLATE_1BIT else
         self.ipg.pixel)(x, y, c)

    def writeFillRect(self, x, y, w, h, c):
        for j in range(w):
            for i in range(h):
                self.writePixel(x + j, y + i, c)

    def writeFastVLine(self, x, y, h, c):
        for i in range(h):
            self.writePixel(x, y + i, c)

    def writeFastHLine(self, x, y, w, c):
        for i in range(w):
            self.writePixel(x + i, y, c)

    def writeLine(self, x0, y0, x1, y1, c):
        self.GFX.line(x0, y0, x1, y1, c)

    def endWrite(self):
        pass

    def drawFastVLine(self, x, y, h, c):
        self.startWrite()
        self.writeFastVLine(x, y, h, c)
        self.endWrite()

    def drawFastHLine(self, x, y, w, c):
        self.startWrite()
        self.writeFastHLine(x, y, w, c)
        self.endWrite()

    def fillRect(self, x, y, w, h, c):
        self.startWrite()
        self.writeFillRect(x, y, w, h, c)
        self.endWrite()

    def fillScreen(self, c):
        self.fillRect(0, 0, self.width(), self.height())

    def drawLine(self, x0, y0, x1, y1, c):
        self.startWrite()
        self.writeLine(x0, y0, x1, y1, c)
        self.endWrite()

    def drawRect(self, x, y, w, h, c):
        self.GFX.rect(x, y, w, h, c)

    def drawCircle(self, x, y, r, c):
        self.GFX.circle(x, y, r, c)

    def fillCircle(self, x, y, r, c):
        self.GFX.fill_circle(x, y, r, c)

    def drawTriangle(self, x0, y0, x1, y1, x2, y2, c):
        self.GFX.triangle(x0, y0, x1, y1, x2, y2, c)

    def fillTriangle(self, x0, y0, x1, y1, x2, y2, c):
        self.GFX.fill_triangle(x0, y0, x1, y1, x2, y2, c)

    def drawRoundRect(self, x, y, q, h, r, c):
        self.GFX.round_rect(x, y, q, h, r, c)

    def fillRoundRect(self, x, y, q, h, r, c):
        self.GFX.fill_round_rect(x, y, q, h, r, c)

    def setDisplayMode(self, mode):
        self.displayMode = mode

    def selectDisplayMode(self, mode):
        self.displayMode = mode

    def getDisplayMode(self):
        return self.displayMode

    def setTextSize(self, s):
        self.textSize = s

    def setFont(self, f):
        self.GFX.font = f

    def printText(self, x, y, s):
        self.GFX._very_slow_text(x, y, s, self.textSize, 1)

    def drawBitmap(self, x, y, data, w, h):
        byteWidth = (w + 7) // 8
        byte = 0
        self.startWrite()
        for j in range(h):
            for i in range(w):
                if i & 7:
                    byte <<= 1
                else:
                    byte = data[j * byteWidth + i // 8]
                if byte & 0x80:
                    self.writePixel(x + i, y + j, 1)
        self.endWrite()

    def drawImageFile(self, x, y, path, invert=False):
        with open(path, "rb") as f:
            header14 = f.read(14)
            if header14[0] != 0x42 or header14[1] != 0x4D:
                return 0
            header40 = f.read(40)

            w = int((header40[7] << 24) + (header40[6] << 16) +
                    (header40[5] << 8) + header40[4])
            h = int((header40[11] << 24) + (header40[10] << 16) +
                    (header40[9] << 8) + header40[8])
            dataStart = int((header14[11] << 8) + header14[10])

            depth = int((header40[15] << 8) + header40[14])
            totalColors = int((header40[33] << 8) + header40[32])

            rowSize = 4 * ((depth * w + 31) // 32)

            if totalColors == 0:
                totalColors = 1 << depth

            palette = None

            if depth <= 8:
                palette = [0 for i in range(totalColors)]
                p = f.read(totalColors * 4)
                for i in range(totalColors):
                    palette[i] = (54 * p[i * 4] + 183 * p[i * 4 + 1] +
                                  19 * p[i * 4 + 2]) >> 14
            # print(palette)
            f.seek(dataStart)
            for j in range(h):
                # print(100 * j // h, "% complete")
                buffer = f.read(rowSize)
                for i in range(w):
                    val = 0
                    if depth == 1:
                        px = int(invert ^ (palette[0] < palette[1])
                                 ^ bool(buffer[i >> 3] & (1 << (7 - i & 7))))
                        val = palette[px]
                    elif depth == 4:
                        px = (buffer[i >> 1] &
                              (0x0F if i & 1 == 1 else 0xF0)) >> (0 if i
                                                                  & 1 else 4)
                        val = palette[px]
                        if invert:
                            val = 3 - val
                    elif depth == 8:
                        px = buffer[i]
                        val = palette[px]
                        if invert:
                            val = 3 - val
                    elif depth == 16:
                        px = (buffer[(i << 1) | 1] << 8) | buffer[(i << 1)]

                        r = (px & 0x7C00) >> 7
                        g = (px & 0x3E0) >> 2
                        b = (px & 0x1F) << 3

                        val = (54 * r + 183 * g + 19 * b) >> 14

                        if invert:
                            val = 3 - val
                    elif depth == 24:
                        r = buffer[i * 3]
                        g = buffer[i * 3 + 1]
                        b = buffer[i * 3 + 2]

                        val = (54 * r + 183 * g + 19 * b) >> 14

                        if invert:
                            val = 3 - val
                    elif depth == 32:
                        r = buffer[i * 4]
                        g = buffer[i * 4 + 1]
                        b = buffer[i * 4 + 2]

                        val = (54 * r + 183 * g + 19 * b) >> 14

                        if invert:
                            val = 3 - val

                    if self.getDisplayMode() == self.INKPLATE_1BIT:
                        val >>= 1

                    self.drawPixel(x + i, y + h - j, val)
class Inkplate:
    BLACK = const(0b00000000)
    WHITE = const(0b00000001)
    GREEN = const(0b00000010)
    BLUE = const(0b00000011)
    RED = const(0b00000100)
    YELLOW = const(0b00000101)
    ORANGE = const(0b00000110)

    _width = D_COLS
    _height = D_ROWS

    rotation = 0
    textSize = 1

    _panelState = False

    _framebuf = bytearray([0x11] * (D_COLS * D_ROWS // 2))

    @classmethod
    def __init__(self):
        try:
            os.mount(
                SDCard(slot=3,
                       miso=Pin(12),
                       mosi=Pin(13),
                       sck=Pin(14),
                       cs=Pin(15)), "/sd")
        except:
            print("Sd card could not be read")

    @classmethod
    def begin(self):
        self.wire = I2C(0, scl=Pin(22), sda=Pin(21))
        self._mcp23017 = MCP23017(self.wire)
        self.TOUCH1 = self._mcp23017.pin(10, Pin.IN)
        self.TOUCH2 = self._mcp23017.pin(11, Pin.IN)
        self.TOUCH3 = self._mcp23017.pin(12, Pin.IN)

        self.spi = SPI(2)

        self.spi.init(baudrate=2000000, firstbit=SPI.MSB, polarity=0, phase=0)

        self.EPAPER_BUSY_PIN = Pin(EPAPER_BUSY_PIN, Pin.IN)
        self.EPAPER_RST_PIN = Pin(EPAPER_RST_PIN, Pin.OUT)
        self.EPAPER_DC_PIN = Pin(EPAPER_DC_PIN, Pin.OUT)
        self.EPAPER_CS_PIN = Pin(EPAPER_CS_PIN, Pin.OUT)

        self.framebuf = bytearray(D_ROWS * D_COLS // 2)

        self.GFX = GFX(
            D_COLS,
            D_ROWS,
            self.writePixel,
            self.writeFastHLine,
            self.writeFastVLine,
            self.writeFillRect,
            None,
            None,
        )

        self.resetPanel()

        _timeout = time.ticks_ms()
        while not self.EPAPER_BUSY_PIN.value() and (time.ticks_ms() -
                                                    _timeout) < 10000:
            pass

        if not self.EPAPER_BUSY_PIN.value():
            return False

        self.sendCommand(PANEL_SET_REGISTER)
        self.sendData(b"\xef\x08")
        self.sendCommand(POWER_SET_REGISTER)
        self.sendData(b"\x37\x00\x23\x23")
        self.sendCommand(POWER_OFF_SEQ_SET_REGISTER)
        self.sendData(b"\x00")
        self.sendCommand(BOOSTER_SOFTSTART_REGISTER)
        self.sendData(b"\xc7\xc7\x1d")
        self.sendCommand(PLL_CONTROL_REGISTER)
        self.sendData(b"\x3c")
        self.sendCommand(TEMP_SENSOR_REGISTER)
        self.sendData(b"\x00")
        self.sendCommand(VCOM_DATA_INTERVAL_REGISTER)
        self.sendData(b"\x37")
        self.sendCommand(b"\x60")
        self.sendData(b"\x20")
        self.sendCommand(RESOLUTION_SET_REGISTER)
        self.sendData(b"\x02\x58\x01\xc0")
        self.sendCommand(b"\xE3")
        self.sendData(b"\xaa")

        time.sleep_ms(100)

        self.sendCommand(b"\x50")
        self.sendData(b"\x37")

        self.setMCPForLowPower()

        self._panelState = True
        return True

    @classmethod
    def setMCPForLowPower(self):
        self._mcp23017.pin(10, mode=mPin.IN)
        self._mcp23017.pin(11, mode=mPin.IN)
        self._mcp23017.pin(12, mode=mPin.IN)

        self._mcp23017.pin(9, value=0, mode=mPin.OUT)

        for x in range(8):
            self._mcp23017.pin(x, value=0, mode=mPin.OUT)
        self._mcp23017.pin(8, value=0, mode=mPin.OUT)
        self._mcp23017.pin(13, value=0, mode=mPin.OUT)
        self._mcp23017.pin(14, value=0, mode=mPin.OUT)
        self._mcp23017.pin(15, value=0, mode=mPin.OUT)

    @classmethod
    def getPanelDeepSleepState(self):
        return self._panelState

    @classmethod
    def setPanelDeepSleepState(self, state):
        _panelState = False if state == 0 else True

        if _panelState:
            self.begin()
        else:
            time.sleep_ms(10)
            self.sendCommand(DEEP_SLEEP_REGISTER)
            self.sendData(b"\xA5")
            time.sleep_ms(100)
            EPAPER_RST_PIN.value(0)
            EPAPER_DC_PIN.value(0)
            EPAPER_CS_PIN.value(0)

    @classmethod
    def resetPanel(self):
        self.EPAPER_RST_PIN.value(0)
        time.sleep_ms(1)
        self.EPAPER_RST_PIN.value(1)
        time.sleep_ms(1)

    @classmethod
    def sendCommand(self, command):
        self.EPAPER_DC_PIN.value(0)
        self.EPAPER_CS_PIN.value(0)

        self.spi.write(command)

        self.EPAPER_CS_PIN.value(1)

    @classmethod
    def sendData(self, data):
        self.EPAPER_DC_PIN.value(1)
        self.EPAPER_CS_PIN.value(0)

        self.spi.write(data)

        self.EPAPER_CS_PIN.value(1)

    @classmethod
    def clearDisplay(self):
        self._framebuf = bytearray([0x11] * (D_COLS * D_ROWS // 2))

    @classmethod
    def display(self):
        if not self._panelState:
            return

        self.sendCommand(b"\x61")
        self.sendData(b"\x02\x58\x01\xc0")

        self.sendCommand(b"\x10")

        self.EPAPER_DC_PIN.value(1)
        self.EPAPER_CS_PIN.value(0)

        self.spi.write(self._framebuf)

        self.EPAPER_CS_PIN.value(1)

        self.sendCommand(POWER_OFF_REGISTER)
        while not self.EPAPER_BUSY_PIN.value():
            pass

        self.sendCommand(DISPLAY_REF_REGISTER)
        while not self.EPAPER_BUSY_PIN.value():
            pass

        self.sendCommand(POWER_OFF_REGISTER)
        while self.EPAPER_BUSY_PIN.value():
            pass

        time.sleep_ms(200)

    @classmethod
    def clean(self):
        if not self._panelState:
            return

        self.sendCommand(b"\x61")
        self.sendData(b"\x02\x58\x01\xc0")

        self.sendCommand(b"\x10")

        self.EPAPER_DC_PIN.value(1)
        self.EPAPER_CS_PIN.value(0)

        self.spi.write(bytearray(0x11 for x in range(D_COLS * D_ROWS // 2)))

        self.EPAPER_CS_PIN.value(1)

        self.sendCommand(POWER_OFF_REGISTER)
        while not self.EPAPER_BUSY_PIN.value():
            pass

        self.sendCommand(DISPLAY_REF_REGISTER)
        while not self.EPAPER_BUSY_PIN.value():
            pass

        self.sendCommand(POWER_OFF_REGISTER)
        while self.EPAPER_BUSY_PIN.value():
            pass

        time.sleep_ms(200)

    @classmethod
    def width(self):
        return self._width

    @classmethod
    def height(self):
        return self._height

    # Arduino compatibility functions
    @classmethod
    def setRotation(self, x):
        self.rotation = x % 4
        if self.rotation == 0 or self.rotation == 2:
            self._width = D_COLS
            self._height = D_ROWS
        elif self.rotation == 1 or self.rotation == 3:
            self._width = D_ROWS
            self._height = D_COLS

    @classmethod
    def getRotation(self):
        return self.rotation

    @classmethod
    def drawPixel(self, x, y, c):
        self.startWrite()
        self.writePixel(x, y, c)
        self.endWrite()

    @classmethod
    def startWrite(self):
        pass

    @classmethod
    def writePixel(self, x, y, c):
        if x > self.width() - 1 or y > self.height() - 1 or x < 0 or y < 0:
            return
        if self.rotation == 1:
            x, y = y, x
            x = self.height() - x - 1
        elif self.rotation == 0:
            x = self.width() - x - 1
            y = self.height() - y - 1
        elif self.rotation == 3:
            x, y = y, x
            y = self.width() - y - 1

        _x = x // 2
        _x_sub = x % 2

        temp = self._framebuf[D_COLS * y // 2 + _x]
        self._framebuf[D_COLS * y // 2 + _x] = (pixelMaskGLUT[_x_sub] & temp) |\
            (c if _x_sub else c << 4)

    @classmethod
    def writeFillRect(self, x, y, w, h, c):
        for j in range(w):
            for i in range(h):
                self.writePixel(x + j, y + i, c)

    @classmethod
    def writeFastVLine(self, x, y, h, c):
        for i in range(h):
            self.writePixel(x, y + i, c)

    @classmethod
    def writeFastHLine(self, x, y, w, c):
        for i in range(w):
            self.writePixel(x + i, y, c)

    @classmethod
    def writeLine(self, x0, y0, x1, y1, c):
        self.GFX.line(x0, y0, x1, y1, c)

    @classmethod
    def endWrite(self):
        pass

    @classmethod
    def drawFastVLine(self, x, y, h, c):
        self.startWrite()
        self.writeFastVLine(x, y, h, c)
        self.endWrite()

    @classmethod
    def drawFastHLine(self, x, y, w, c):
        self.startWrite()
        self.writeFastHLine(x, y, w, c)
        self.endWrite()

    @classmethod
    def fillRect(self, x, y, w, h, c):
        self.startWrite()
        self.writeFillRect(x, y, w, h, c)
        self.endWrite()

    @classmethod
    def fillScreen(self, c):
        self.fillRect(0, 0, self.width(), self.height(), c)

    @classmethod
    def drawLine(self, x0, y0, x1, y1, c):
        self.startWrite()
        self.writeLine(x0, y0, x1, y1, c)
        self.endWrite()

    @classmethod
    def drawRect(self, x, y, w, h, c):
        self.GFX.rect(x, y, w, h, c)

    @classmethod
    def drawCircle(self, x, y, r, c):
        self.GFX.circle(x, y, r, c)

    @classmethod
    def fillCircle(self, x, y, r, c):
        self.GFX.fill_circle(x, y, r, c)

    @classmethod
    def drawTriangle(self, x0, y0, x1, y1, x2, y2, c):
        self.GFX.triangle(x0, y0, x1, y1, x2, y2, c)

    @classmethod
    def fillTriangle(self, x0, y0, x1, y1, x2, y2, c):
        self.GFX.fill_triangle(x0, y0, x1, y1, x2, y2, c)

    @classmethod
    def drawRoundRect(self, x, y, q, h, r, c):
        self.GFX.round_rect(x, y, q, h, r, c)

    @classmethod
    def fillRoundRect(self, x, y, q, h, r, c):
        self.GFX.fill_round_rect(x, y, q, h, r, c)

    @classmethod
    def setDisplayMode(self, mode):
        self.displayMode = mode

    @classmethod
    def selectDisplayMode(self, mode):
        self.displayMode = mode

    @classmethod
    def getDisplayMode(self):
        return self.displayMode

    @classmethod
    def setTextSize(self, s):
        self.textSize = s

    @classmethod
    def setFont(self, f):
        self.GFX.font = f

    @classmethod
    def printText(self, x, y, s, c=BLACK):
        self.GFX._very_slow_text(x, y, s, self.textSize, c)

    @classmethod
    def readBattery(self):
        self.VBAT_EN.value(0)
        # Probably don't need to delay since Micropython is slow, but we do it anyway
        time.sleep_ms(1)
        value = self.VBAT.read()
        self.VBAT_EN.value(1)
        result = (value / 4095.0) * 1.1 * 3.548133892 * 2
        return result

    @classmethod
    def drawBitmap(self, x, y, data, w, h, c=BLACK):
        byteWidth = (w + 7) // 8
        byte = 0
        self.startWrite()
        for j in range(h):
            for i in range(w):
                if i & 7:
                    byte <<= 1
                else:
                    byte = data[j * byteWidth + i // 8]
                if byte & 0x80:
                    self.writePixel(x + i, y + j, c)
        self.endWrite()