115 lines
3.9 KiB
Python
115 lines
3.9 KiB
Python
# SPDX-FileCopyrightText: 2019 Scott Shawcroft for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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`adafruit_ili9341`
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====================================================
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Display driver for ILI9341
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* Author(s): Scott Shawcroft
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Implementation Notes
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--------------------
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**Hardware:**
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* Adafruit PiTFT 2.2" HAT Mini Kit - 320x240 2.2" TFT - No Touch
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<https://www.adafruit.com/product/2315>
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* Adafruit PiTFT 2.4" HAT Mini Kit - 320x240 TFT Touchscreen
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<https://www.adafruit.com/product/2455>
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* Adafruit PiTFT - 320x240 2.8" TFT+Touchscreen for Raspberry Pi
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<https://www.adafruit.com/product/1601>
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* PiTFT 2.8" TFT 320x240 + Capacitive Touchscreen for Raspberry Pi
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<https://www.adafruit.com/product/1983>
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* Adafruit PiTFT Plus 320x240 2.8" TFT + Capacitive Touchscreen
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<https://www.adafruit.com/product/2423>
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* PiTFT Plus Assembled 320x240 2.8" TFT + Resistive Touchscreen
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<https://www.adafruit.com/product/2298>
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* PiTFT Plus 320x240 3.2" TFT + Resistive Touchscreen
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<https://www.adafruit.com/product/2616>
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* 2.2" 18-bit color TFT LCD display with microSD card breakout
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<https://www.adafruit.com/product/1480>
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* 2.4" TFT LCD with Touchscreen Breakout Board w/MicroSD Socket
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<https://www.adafruit.com/product/2478>
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* 2.8" TFT LCD with Touchscreen Breakout Board w/MicroSD Socket
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<https://www.adafruit.com/product/1770>
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* 3.2" TFT LCD with Touchscreen Breakout Board w/MicroSD Socket
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<https://www.adafruit.com/product/1743>
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* TFT FeatherWing - 2.4" 320x240 Touchscreen For All Feathers
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<https://www.adafruit.com/product/3315>
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**Software and Dependencies:**
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* Adafruit CircuitPython firmware for the supported boards:
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https://github.com/adafruit/circuitpython/releases
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"""
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try:
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# used for typing only
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from typing import Any
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except ImportError:
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pass
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# Support both 8.x.x and 9.x.x. Change when 8.x.x is discontinued as a stable release.
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try:
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from fourwire import FourWire
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from busdisplay import BusDisplay
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except ImportError:
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from displayio import FourWire
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from displayio import Display as BusDisplay
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__version__ = "0.0.0+auto.0"
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__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_ILI9341.git"
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_INIT_SEQUENCE = (
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b"\x01\x80\x80" # Software reset then delay 0x80 (128ms)
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b"\xEF\x03\x03\x80\x02"
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b"\xCF\x03\x00\xC1\x30"
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b"\xED\x04\x64\x03\x12\x81"
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b"\xE8\x03\x85\x00\x78"
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b"\xCB\x05\x39\x2C\x00\x34\x02"
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b"\xF7\x01\x20"
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b"\xEA\x02\x00\x00"
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b"\xc0\x01\x23" # Power control VRH[5:0]
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b"\xc1\x01\x10" # Power control SAP[2:0];BT[3:0]
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b"\xc5\x02\x3e\x28" # VCM control
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b"\xc7\x01\x86" # VCM control2
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b"\x37\x01\x00" # Vertical scroll zero
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b"\x3a\x01\x55" # COLMOD: Pixel Format Set
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b"\xb1\x02\x00\x18" # Frame Rate Control (In Normal Mode/Full Colors)
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b"\xb6\x03\x08\x82\x27" # Display Function Control
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b"\xF2\x01\x00" # 3Gamma Function Disable
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b"\x26\x01\x01" # Gamma curve selected
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b"\xe0\x0f\x0F\x31\x2B\x0C\x0E\x08\x4E\xF1\x37\x07\x10\x03\x0E\x09\x00" # Set Gamma
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b"\xe1\x0f\x00\x0E\x14\x03\x11\x07\x31\xC1\x48\x08\x0F\x0C\x31\x36\x0F" # Set Gamma
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b"\x11\x80\x78" # Exit Sleep then delay 0x78 (120ms)
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b"\x29\x80\x78" # Display on then delay 0x78 (120ms)
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)
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# pylint: disable=too-few-public-methods
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class ILI9341(BusDisplay):
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"""
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ILI9341 display driver
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:param FourWire bus: bus that the display is connected to
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"""
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def __init__(
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self, bus: FourWire, *, bgr: bool = False, invert: bool = False, **kwargs: Any
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):
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init_sequence = _INIT_SEQUENCE
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if bgr:
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init_sequence += (
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b"\x36\x01\x30" # _MADCTL Default rotation plus BGR encoding
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)
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else:
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init_sequence += (
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b"\x36\x01\x38" # _MADCTL Default rotation plus RGB encoding
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)
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if invert:
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init_sequence += b"\x21\x00" # _INVON
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super().__init__(bus, init_sequence, **kwargs)
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