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ILI9341 drivers: add mod constructor arg.

pull/89/head
Peter Hinch 2025-01-26 12:31:29 +00:00
rodzic 7868db5317
commit b608f4db66
3 zmienionych plików z 25 dodań i 22 usunięć
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3
DRIVERS.md
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@ -411,6 +411,9 @@ soft SPI may be used but hard may be faster. See note on overclocking below.
* `width=320`
* `usd=False` Upside down: set `True` to invert display.
* `init_spi=False` Allow bus sharing. See note below.
* `mod=None` Set to a number from 0 to 7 to correct garbled display on some
Chinese units.
* `bgr=False` If `True` use BGR color rendition in place of RGB.
#### Method (4-bit driver only)

22
drivers/ili93xx/ili9341.py
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@ -63,7 +63,7 @@ class ILI9341(framebuf.FrameBuffer):
width=320,
usd=False,
init_spi=False,
rot=False,
mod=None,
bgr=False,
):
"""For more information see
@ -106,17 +106,17 @@ class ILI9341(framebuf.FrameBuffer):
self._wcd(b"\xc1", b"\x10") # PWCTR2 Pwr ctrl 2
self._wcd(b"\xc5", b"\x3E\x28") # VMCTR1 VCOM ctrl 1
self._wcd(b"\xc7", b"\x86") # VMCTR2 VCOM ctrl 2
# (b'\x88', b'\xe8', b'\x48', b'\x28')[rotation // 90]
if (self.height > self.width) ^ rot:
if bgr:
self._wcd(b"\x36", b"\x40" if usd else b"\x80") # MADCTL: BGR portrait mode
if mod is None:
if self.height > self.width:
v = 0x40 if usd else 0x80 # MADCTL: BGR portrait mode
else:
self._wcd(b"\x36", b"\x48" if usd else b"\x88") # MADCTL: RGB portrait mode
else:
if bgr:
self._wcd(b"\x36", b"\x20" if usd else b"\xe0") # MADCTL: BGR landscape mode
else:
self._wcd(b"\x36", b"\x28" if usd else b"\xe8") # MADCTL: RGB landscape mode
v = 0x20 if usd else 0xE0 # MADCTL: BGR landscape mode
else: # Weird Chinese display
if not 0 <= mod <= 7:
raise ValueError("mod must be in range 0 to 7")
v = mod << 5
v = v if bgr else (v | 8)
self._wcd(b"\x36", int.to_bytes(v, 1, "big"))
self._wcd(b"\x37", b"\x00") # VSCRSADD Vertical scrolling start address
self._wcd(b"\x3a", b"\x55") # PIXFMT COLMOD: Pixel format 16 bits (MCU & interface)
self._wcd(b"\xb1", b"\x00\x18") # FRMCTR1 Frame rate ctrl

22
drivers/ili93xx/ili9341_8bit.py
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@ -51,7 +51,7 @@ class ILI9341(framebuf.FrameBuffer):
width=320,
usd=False,
init_spi=False,
rot=False,
mod=None,
bgr=False,
):
"""For more information see
@ -93,17 +93,17 @@ class ILI9341(framebuf.FrameBuffer):
self._wcd(b"\xc1", b"\x10") # PWCTR2 Pwr ctrl 2
self._wcd(b"\xc5", b"\x3E\x28") # VMCTR1 VCOM ctrl 1
self._wcd(b"\xc7", b"\x86") # VMCTR2 VCOM ctrl 2
# (b'\x88', b'\xe8', b'\x48', b'\x28')[rotation // 90]
if (self.height > self.width) ^ rot:
if bgr:
self._wcd(b"\x36", b"\x40" if usd else b"\x80") # MADCTL: BGR portrait mode
if mod is None:
if self.height > self.width:
v = 0x40 if usd else 0x80 # MADCTL: BGR portrait mode
else:
self._wcd(b"\x36", b"\x48" if usd else b"\x88") # MADCTL: RGB portrait mode
else:
if bgr:
self._wcd(b"\x36", b"\x20" if usd else b"\xe0") # MADCTL: BGR landscape mode
else:
self._wcd(b"\x36", b"\x28" if usd else b"\xe8") # MADCTL: RGB landscape mode
v = 0x20 if usd else 0xE0 # MADCTL: BGR landscape mode
else: # Weird Chinese display
if not 0 <= mod <= 7:
raise ValueError("mod must be in range 0 to 7")
v = mod << 5
v = v if bgr else (v | 8)
self._wcd(b"\x36", int.to_bytes(v, 1, "big"))
self._wcd(b"\x37", b"\x00") # VSCRSADD Vertical scrolling start address
self._wcd(b"\x3a", b"\x55") # PIXFMT COLMOD: Pixel format 16 bits (MCU & interface)
self._wcd(b"\xb1", b"\x00\x18") # FRMCTR1 Frame rate ctrl