Adafruit_CircuitPython_ILI9341/adafruit_ili9341.py
2019-03-19 23:23:54 -07:00

87 lines
3.5 KiB
Python

# The MIT License (MIT)
#
# Copyright (c) 2019 Scott Shawcroft for Adafruit Industries LLC
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
"""
`adafruit_ILI9341`
====================================================
Display driver for ILI9341
* Author(s): Scott Shawcroft
Implementation Notes
--------------------
**Hardware:**
* 2.2" 18-bit color TFT LCD display with microSD card breakout
<https://www.adafruit.com/product/1480>
* 2.4" TFT LCD with Touchscreen Breakout Board w/MicroSD Socket
<https://www.adafruit.com/product/2478>
* 2.8" TFT LCD with Touchscreen Breakout Board w/MicroSD Socket
<https://www.adafruit.com/product/1770>
* 3.2" TFT LCD with Touchscreen Breakout Board w/MicroSD Socket
<https://www.adafruit.com/product/1743>
* TFT FeatherWing - 2.4" 320x240 Touchscreen For All Feathers
<https://www.adafruit.com/product/3315>
**Software and Dependencies:**
* Adafruit CircuitPython firmware for the supported boards:
https://github.com/adafruit/circuitpython/releases
"""
import displayio
__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(displayio.Display):
"""ILI9341 display driver"""
def __init__(self, bus):
super().__init__(bus, _INIT_SEQUENCE, width=320, height=240)