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M5 LCD Emulator

🚧 Some M5.Lcd function NOT yet implemented! (Look here) 🚧

image

Require

  • OpenCV (Version 4.3.0 Recommended)
  • VisualStudio 2019 (Windows)

Sample code (show main.cpp)

/* M5Stack CODE BEGIN */
#include "M5Stack.h"

void setup() {
	for (int i = 0; i < COLORS_NUM; i++) {
		M5.Lcd.fillScreen(COLORS[i]);
		delay(1000);
	}

	M5.Lcd.fillScreen(BLACK);
	for (int i = 1; i < 8; i++) {
		M5.Lcd.setTextSize(i);
		M5.Lcd.print("Hello World\n");
	}
}
/* M5Stack CODE END */

How to use

Windows

  1. Open M5_LCD_Emulator.sln.
  2. Press Ctrl+F5.

Linux (Ubuntu)

  1. Execute cd M5_LCD_Emulator/M5_LCD_Emulator.
  2. Execute make.
  3. Execute ./m5hello.

Setup OpenCV (Windows with VisualStudio)

  1. Download OpenCV from here.
  2. Extract to install directory (exp. C:\).
  3. Add C:\opencv\build\x64\vc14\bin to environment path.
  4. Make empty project.
  5. Select x64 platform.
  6. Open Project -> Property.
    • Open VC++ directory > Include directory and add C:\opencv\build\include.
    • Open VC++ directory > Library directory and add C:\opencv\build\x64\vc14\lib.
    • Open Linker > Input > Additional dependent files and add opencv_worldxxxd.lib. (xxx is version, look at opencv dir)

Setup OpenCV (Ubuntu)

  1. Install some package for build OpenCV.
sudo apt update
sudo apt upgrade -y
sudo apt install build-essential git cmake pkg-config
sudo apt install libgtk2.0-dev libcanberra-gtk-module libcanberra-gtk3-module
  1. Download OpenCV from here.
  2. Extract to install directory (exp. ~/).
  3. Execute below command to build OpenCV.
cd ~
cd opencv-4.3.0
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..
make -j4
sudo make install
  1. Export include path (If you need, write below command to ~/.bashrc).
export CPATH=/usr/local/include/opencv4

Reference