kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
ILI9xxx: Remove misleading code comment re touch.
Peter Hinch
rodzic
4fd7112162
commit
a487992b37
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@ -1,5 +1,4 @@
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# ILI9341 nano-gui driver for ili9341 displays
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# As with all nano-gui displays, touch is not supported.
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# Copyright (c) Peter Hinch 2020
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# Released under the MIT license see LICENSE
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@ -15,15 +14,16 @@ import framebuf
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import uasyncio as asyncio
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from drivers.boolpalette import BoolPalette
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@micropython.viper
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def _lcopy(dest:ptr16, source:ptr8, lut:ptr16, length:int):
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def _lcopy(dest: ptr16, source: ptr8, lut: ptr16, length: int):
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# rgb565 - 16bit/pixel
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n = 0
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for x in range(length):
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c = source[x]
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dest[n] = lut[c >> 4] # current pixel
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n += 1
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dest[n] = lut[c & 0x0f] # next pixel
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dest[n] = lut[c & 0x0F] # next pixel
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n += 1
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@ -37,11 +37,10 @@ class ILI9341(framebuf.FrameBuffer):
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# ILI9341 expects RGB order
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@staticmethod
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def rgb(r, g, b):
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return (r & 0xf8) | (g & 0xe0) >> 5 | (g & 0x1c) << 11 | (b & 0xf8) << 5
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return (r & 0xF8) | (g & 0xE0) >> 5 | (g & 0x1C) << 11 | (b & 0xF8) << 5
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# Transpose width & height for landscape mode
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def __init__(self, spi, cs, dc, rst, height=240, width=320,
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usd=False, init_spi=False):
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def __init__(self, spi, cs, dc, rst, height=240, width=320, usd=False, init_spi=False):
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self._spi = spi
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self._cs = cs
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self._dc = dc
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@ -65,34 +64,38 @@ class ILI9341(framebuf.FrameBuffer):
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self._spi_init(spi) # Bus may be shared
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self._lock = asyncio.Lock()
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# Send initialization commands
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self._wcmd(b'\x01') # SWRESET Software reset
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self._wcmd(b"\x01") # SWRESET Software reset
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sleep_ms(100)
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self._wcd(b'\xcf', b'\x00\xC1\x30') # PWCTRB Pwr ctrl B
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self._wcd(b'\xed', b'\x64\x03\x12\x81') # POSC Pwr on seq. ctrl
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self._wcd(b'\xe8', b'\x85\x00\x78') # DTCA Driver timing ctrl A
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self._wcd(b'\xcb', b'\x39\x2C\x00\x34\x02') # PWCTRA Pwr ctrl A
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self._wcd(b'\xf7', b'\x20') # PUMPRC Pump ratio control
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self._wcd(b'\xea', b'\x00\x00') # DTCB Driver timing ctrl B
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self._wcd(b'\xc0', b'\x23') # PWCTR1 Pwr ctrl 1
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self._wcd(b'\xc1', b'\x10') # PWCTR2 Pwr ctrl 2
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self._wcd(b'\xc5', b'\x3E\x28') # VMCTR1 VCOM ctrl 1
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self._wcd(b'\xc7', b'\x86') # VMCTR2 VCOM ctrl 2
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self._wcd(b"\xcf", b"\x00\xC1\x30") # PWCTRB Pwr ctrl B
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self._wcd(b"\xed", b"\x64\x03\x12\x81") # POSC Pwr on seq. ctrl
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self._wcd(b"\xe8", b"\x85\x00\x78") # DTCA Driver timing ctrl A
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self._wcd(b"\xcb", b"\x39\x2C\x00\x34\x02") # PWCTRA Pwr ctrl A
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self._wcd(b"\xf7", b"\x20") # PUMPRC Pump ratio control
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self._wcd(b"\xea", b"\x00\x00") # DTCB Driver timing ctrl B
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self._wcd(b"\xc0", b"\x23") # PWCTR1 Pwr ctrl 1
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self._wcd(b"\xc1", b"\x10") # PWCTR2 Pwr ctrl 2
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self._wcd(b"\xc5", b"\x3E\x28") # VMCTR1 VCOM ctrl 1
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self._wcd(b"\xc7", b"\x86") # VMCTR2 VCOM ctrl 2
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# (b'\x88', b'\xe8', b'\x48', b'\x28')[rotation // 90]
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if self.height > self.width:
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self._wcd(b'\x36', b'\x48' if usd else b'\x88') # MADCTL: RGB portrait mode
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self._wcd(b"\x36", b"\x48" if usd else b"\x88") # MADCTL: RGB portrait mode
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else:
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self._wcd(b'\x36', b'\x28' if usd else b'\xe8') # MADCTL: RGB landscape mode
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self._wcd(b'\x37', b'\x00') # VSCRSADD Vertical scrolling start address
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self._wcd(b'\x3a', b'\x55') # PIXFMT COLMOD: Pixel format 16 bits (MCU & interface)
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self._wcd(b'\xb1', b'\x00\x18') # FRMCTR1 Frame rate ctrl
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self._wcd(b'\xb6', b'\x08\x82\x27') # DFUNCTR
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self._wcd(b'\xf2', b'\x00') # ENABLE3G Enable 3 gamma ctrl
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self._wcd(b'\x26', b'\x01') # GAMMASET Gamma curve selected
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self._wcd(b'\xe0', b'\x0F\x31\x2B\x0C\x0E\x08\x4E\xF1\x37\x07\x10\x03\x0E\x09\x00') # GMCTRP1
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self._wcd(b'\xe1', b'\x00\x0E\x14\x03\x11\x07\x31\xC1\x48\x08\x0F\x0C\x31\x36\x0F') # GMCTRN1
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self._wcmd(b'\x11') # SLPOUT Exit sleep
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self._wcd(b"\x36", b"\x28" if usd else b"\xe8") # MADCTL: RGB landscape mode
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self._wcd(b"\x37", b"\x00") # VSCRSADD Vertical scrolling start address
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self._wcd(b"\x3a", b"\x55") # PIXFMT COLMOD: Pixel format 16 bits (MCU & interface)
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self._wcd(b"\xb1", b"\x00\x18") # FRMCTR1 Frame rate ctrl
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self._wcd(b"\xb6", b"\x08\x82\x27") # DFUNCTR
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self._wcd(b"\xf2", b"\x00") # ENABLE3G Enable 3 gamma ctrl
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self._wcd(b"\x26", b"\x01") # GAMMASET Gamma curve selected
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self._wcd(
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b"\xe0", b"\x0F\x31\x2B\x0C\x0E\x08\x4E\xF1\x37\x07\x10\x03\x0E\x09\x00"
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) # GMCTRP1
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self._wcd(
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b"\xe1", b"\x00\x0E\x14\x03\x11\x07\x31\xC1\x48\x08\x0F\x0C\x31\x36\x0F"
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) # GMCTRN1
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self._wcmd(b"\x11") # SLPOUT Exit sleep
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sleep_ms(100)
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self._wcmd(b'\x29') # DISPLAY_ON
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self._wcmd(b"\x29") # DISPLAY_ON
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sleep_ms(100)
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# Write a command.
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@ -113,8 +116,8 @@ class ILI9341(framebuf.FrameBuffer):
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self._spi.write(data)
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self._cs(1)
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# Time (ESP32 stock freq) 196ms portrait, 185ms landscape.
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# mem free on ESP32 43472 bytes (vs 110192)
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# Time (ESP32 stock freq) 196ms portrait, 185ms landscape.
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# mem free on ESP32 43472 bytes (vs 110192)
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@micropython.native
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def show(self):
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clut = ILI9341.lut
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@ -124,14 +127,14 @@ class ILI9341(framebuf.FrameBuffer):
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buf = self._mvb
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if self._spi_init: # A callback was passed
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self._spi_init(self._spi) # Bus may be shared
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# Commands needed to start data write
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self._wcd(b'\x2a', int.to_bytes(self.width, 4, 'big')) # SET_COLUMN
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self._wcd(b'\x2b', int.to_bytes(ht, 4, 'big')) # SET_PAGE
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self._wcmd(b'\x2c') # WRITE_RAM
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# Commands needed to start data write
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self._wcd(b"\x2a", int.to_bytes(self.width, 4, "big")) # SET_COLUMN
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self._wcd(b"\x2b", int.to_bytes(ht, 4, "big")) # SET_PAGE
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self._wcmd(b"\x2c") # WRITE_RAM
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self._dc(1)
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self._cs(0)
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for start in range(0, wd*ht, wd): # For each line
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_lcopy(lb, buf[start :], clut, wd) # Copy and map colors
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for start in range(0, wd * ht, wd): # For each line
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_lcopy(lb, buf[start:], clut, wd) # Copy and map colors
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self._spi.write(lb)
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self._cs(1)
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@ -139,16 +142,16 @@ class ILI9341(framebuf.FrameBuffer):
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async with self._lock:
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lines, mod = divmod(self.height, split) # Lines per segment
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if mod:
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raise ValueError('Invalid do_refresh arg.')
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raise ValueError("Invalid do_refresh arg.")
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clut = ILI9341.lut
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wd = self.width // 2
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ht = self.height
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lb = self._linebuf
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buf = self._mvb
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# Commands needed to start data write
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self._wcd(b'\x2a', int.to_bytes(self.width, 4, 'big')) # SET_COLUMN
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self._wcd(b'\x2b', int.to_bytes(ht, 4, 'big')) # SET_PAGE
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self._wcmd(b'\x2c') # WRITE_RAM
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# Commands needed to start data write
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self._wcd(b"\x2a", int.to_bytes(self.width, 4, "big")) # SET_COLUMN
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self._wcd(b"\x2b", int.to_bytes(ht, 4, "big")) # SET_PAGE
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self._wcmd(b"\x2c") # WRITE_RAM
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self._dc(1)
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line = 0
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for _ in range(split): # For each segment
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@ -156,7 +159,7 @@ class ILI9341(framebuf.FrameBuffer):
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self._spi_init(self._spi) # Bus may be shared
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self._cs(0)
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for start in range(wd * line, wd * (line + lines), wd): # For each line
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_lcopy(lb, buf[start :], clut, wd) # Copy and map colors
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_lcopy(lb, buf[start:], clut, wd) # Copy and map colors
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self._spi.write(lb)
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line += lines
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self._cs(1) # Allow other tasks to use bus
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@ -1,5 +1,4 @@
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# ILI9486 nano-gui driver for ili9486 displays
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# As with all nano-gui displays, touch is not supported.
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# Copyright (c) Peter Hinch 2022
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# Released under the MIT license see LICENSE
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@ -63,10 +62,14 @@ class ILI9486(framebuf.FrameBuffer):
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# ILI9486 expects RGB order. 8 bit register writes require padding
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@classmethod
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def rgb(cls, r, g, b):
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return cls.COLOR_INVERT ^ ((r & 0xF8) | (g & 0xE0) >> 5 | (g & 0x1C) << 11 | (b & 0xF8) << 5)
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return cls.COLOR_INVERT ^ (
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(r & 0xF8) | (g & 0xE0) >> 5 | (g & 0x1C) << 11 | (b & 0xF8) << 5
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)
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# Transpose width & height for landscape mode
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def __init__(self, spi, cs, dc, rst, height=320, width=480, usd=False, mirror=False, init_spi=False):
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def __init__(
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self, spi, cs, dc, rst, height=320, width=480, usd=False, mirror=False, init_spi=False
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):
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self._spi = spi
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self._cs = cs
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self._dc = dc
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@ -107,11 +110,11 @@ class ILI9486(framebuf.FrameBuffer):
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# Default page address start == 0 end == 0x1DF (479)
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if self._long != 480:
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self._wcd(b"\x2b", int.to_bytes(self._long - 1, 4, "big")) # SET_PAGE ht
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# self._wcd(b"\x36", b"\x48" if usd else b"\x88") # MADCTL: RGB portrait mode
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# self._wcd(b"\x36", b"\x48" if usd else b"\x88") # MADCTL: RGB portrait mode
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madctl = 0x48 if usd else 0x88
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if mirror:
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madctl ^= 0x80
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self._wcd(b"\x36", madctl.to_bytes(1, 'big')) # MADCTL: RGB portrait mode
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self._wcd(b"\x36", madctl.to_bytes(1, "big")) # MADCTL: RGB portrait mode
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self._wcmd(b"\x11") # sleep out
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self._wcmd(b"\x29") # display on
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