10000 generic/ili9341 driver initial commit · shankezh/lv_binding_micropython@cb0c758 · GitHub
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generic/ili9341 driver initial commit
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‎driver/generic/ili9xxx.py

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from micropython import const
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from .st77xx import St77xx_hw, St77xx_lvgl
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# Command constants from ILI9341 datasheet
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_NOP = const(0x00) # No-op
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_SWRESET = const(0x01) # Software reset
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_RDDID = const(0x04) # Read display ID info
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_RDDST = const(0x09) # Read display status
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_SLPIN = const(0x10) # Enter sleep mode
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_SLPOUT = const(0x11) # Exit sleep mode
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_PTLON = const(0x12) # Partial mode on
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_NORON = const(0x13) # Normal display mode on
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_RDMODE = const(0x0A) # Read display power mode
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_RDMADCTL = const(0x0B) # Read display MADCTL
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_RDPIXFMT = const(0x0C) # Read display pixel format
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_RDIMGFMT = const(0x0D) # Read display image format
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_RDSELFDIAG = const(0x0F) # Read display self-diagnostic
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_INVOFF = const(0x20) # Display inversion off
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_INVON = const(0x21) # Display inversion on
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_GAMMASET = const(0x26) # Gamma set
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_DISPLAY_OFF = const(0x28) # Display off
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_DISPLAY_ON = const(0x29) # Display on
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_SET_COLUMN = const(0x2A) # Column address set
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_SET_PAGE = const(0x2B) # Page address set
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_WRITE_RAM = const(0x2C) # Memory write
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_READ_RAM = const(0x2E) # Memory read
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_PTLAR = const(0x30) # Partial area
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_VSCRDEF = const(0x33) # Vertical scrolling definition
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_MADCTL = const(0x36) # Memory access control
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_VSCRSADD = const(0x37) # Vertical scrolling start address
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_PIXFMT = const(0x3A) # COLMOD: Pixel format set
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_WRITE_DISPLAY_BRIGHTNESS = const(0x51) # Brightness hardware dependent!
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_READ_DISPLAY_BRIGHTNESS = const(0x52)
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_WRITE_CTRL_DISPLAY = const(0x53)
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_READ_CTRL_DISPLAY = const(0x54)
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_WRITE_CABC = const(0x55) # Write Content Adaptive Brightness Control
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_READ_CABC = const(0x56) # Read Content Adaptive Brightness Control
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_WRITE_CABC_MINIMUM = const(0x5E) # Write CABC Minimum Brightness
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_READ_CABC_MINIMUM = const(0x5F) # Read CABC Minimum Brightness
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_FRMCTR1 = const(0xB1) # Frame rate control (In normal mode/full colors)
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_FRMCTR2 = const(0xB2) # Frame rate control (In idle mode/8 colors)
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_FRMCTR3 = const(0xB3) # Frame rate control (In partial mode/full colors)
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_INVCTR = const(0xB4) # Display inversion control
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_DFUNCTR = const(0xB6) # Display function control
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_PWCTR1 = const(0xC0) # Power control 1
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_PWCTR2 = const(0xC1) # Power control 2
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_PWCTRA = const(0xCB) # Power control A
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_PWCTRB = const(0xCF) # Power control B
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_VMCTR1 = const(0xC5) # VCOM control 1
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_VMCTR2 = const(0xC7) # VCOM control 2
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_RDID1 = const(0xDA) # Read ID 1
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_RDID2 = const(0xDB) # Read ID 2
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_RDID3 = const(0xDC) # Read ID 3
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_RDID4 = const(0xDD) # Read ID 4
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_GMCTRP1 = const(0xE0) # Positive gamma correction
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_GMCTRN1 = const(0xE1) # Negative gamma correction
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_DTCA = const(0xE8) # Driver timing control A
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_DTCB = const(0xEA) # Driver timing control B
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_POSC = const(0xED) # Power on sequence control
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_ENABLE3G = const(0xF2) # Enable 3 gamma control
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_PUMPRC = const(0xF7) # Pump ratio control
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_MADCTL_MY = const(0x80) # page address order (0: top to bottom; 1: bottom to top)
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_MADCTL_MX = const(0x40) # column address order (0: left to right; 1: right to left)
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_MADCTL_MV = const(0x20) # page/column order (0: normal mode 1; reverse mode)
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_MADCTL_ML = const(
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0x10
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) # line address order (0: refresh to to bottom; 1: refresh bottom to top)
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_MADCTL_BGR = const(0x08) # colors are BGR (not RGB)
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_MADCTL_RTL = const(0x04) # refresh right to left
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_MADCTL_ROTS = (
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const(_MADCTL_MX), # 0 = portrait
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const(_MADCTL_MV), # 1 = landscape
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const(_MADCTL_MY), # 2 = inverted portrait
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const(_MADCTL_MX | _MADCTL_MY | _MADCTL_MV), # 3 = inverted landscape
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)
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class Ili9341_hw(St77xx_hw):
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def __init__(self, res, **kw):
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super().__init__(
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res=res,
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suppRes=[
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(240, 320),
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],
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model=None,
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suppModel=None,
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bgr=True,
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**kw,
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)
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def config_hw(self):
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self._run_seq(
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[
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(_SLPOUT, None, 100),
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(_PWCTRB, b"\x00\xC1\x30"), # Pwr ctrl B
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(_POSC, b"\x64\x03\x12\x81"), # Pwr on seq. ctrl
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(_DTCA, b"\x85\x00\x78"), # Driver timing ctrl A
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(_PWCTRA, b"\x39\x2C\x00\x34\x02"), # Pwr ctrl A
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(_PUMPRC, b"\x20"), # Pump ratio control
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(_DTCB, b"\x00\x00"), # Driver timing ctrl B
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(_PWCTR1, b"\x23"), # Pwr ctrl 1
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(_PWCTR2, b"\x10"), # Pwr ctrl 2
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(_VMCTR1, b"\x3E\x28"), # VCOM ctrl 1
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(_VMCTR2, b"\x86"), # VCOM ctrl 2
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# (_MADCTL, self.rotation"), # Memory access ctrl # TODO: rotation?
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(_VSCRSADD, b"\x00"), # Vertical scrolling start address
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(_PIXFMT, b"\x55"), # COLMOD: Pixel format
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(_FRMCTR1, b"\x00\x18"), # Frame rate ctrl
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(_DFUNCTR, b"\x08\x82\x27"),
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(_ENABLE3G, b"\x00"), # Enable 3 gamma ctrl
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(_GAMMASET, b"\x01"), # Gamma curve selected
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(
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_GMCTRP1,
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b"\x0F\x31\x2B\x0C\x0E\x08\x4E\xF1\x37\x07\x10\x03\x0E\x09\x00",
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),
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(
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_GMCTRN1,
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b"\x00\x0E\x14\x03\x11\x07\x31\xC1\x48\x08\x0F\x0C\x31\x36\x0F",
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),
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(_SLPOUT, None, 100),
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(_DISPLAY_ON, None),
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]
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)
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def apply_rotation(self, rot):
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self.rot = rot
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if (self.rot % 2) == 0:
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self.width, self.height = self.res
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else:
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self.height, self.width = self.res
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self.write_register(
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_MADCTL,
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bytes([(_MADCTL_BGR if self.bgr else 0) | _MADCTL_ROTS[self.rot % 4]]),
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)
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class Ili9341(Ili9341_hw, St77xx_lvgl):
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def __init__(self, res, doublebuffer=True, factor=4, **kw):
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"""See :obj:`Ili9341_hw` for the meaning of the parameters."""
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import lvgl as lv
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Ili9341_hw.__init__(self, res=res, **kw)
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St77xx_lvgl.__init__(self, doublebuffer, factor)
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self.disp_drv.color_format = lv.COLOR_FORMAT.NATIVE_REVERSE
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self.disp_drv.register()

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