Overview

The touchscreen module provides functionality for interfacing with an ILI9341 display and XPT2046 touch controller. It includes utilities for rendering graphics, handling touch input, and managing fonts.

Features

• Support for ILI9341 LCD display with RGB565 color format.
• Touch input handling using the XPT2046 touch controller.
• Font rendering with X-GLCD format fonts.
• Utility for converting images to RGB565 format.

UI Hardware / Pinout Configuration

• ILI9341 Display:
  • SPI interface
  • Pins: sck=Pin(7), mosi=Pin(11), miso=Pin(9), dc=Pin(12), cs=Pin(5), rst=Pin(0)
• XPT2046 Touch Controller:
  • SPI interface
  • Pins: sck=Pin(7), mosi=Pin(11), miso=Pin(9), cs=Pin(18)

Telemetry Provided

• touchX: X-coordinate of the last touch.
• touchY: Y-coordinate of the last touch.

Telemetry Consumed

None.

Commands Provided

• /touch/0/0: Command generated when a touch is detected.

Commands Consumed

None.

Other information

• Font Utility: The XglcdFont class supports loading and rendering fonts in X-GLCD format.
• Image Conversion: The img2rgb565.py script converts images to raw RGB565 format for use with the display.
• Graphics Support: The ili9341.py module provides methods for drawing shapes, text, and images on the display.
• Touch Handling: The xpt2046.py module handles raw and normalized touch input from the XPT2046 controller.