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