text-lcd-rgb-device

C++ implementation

#pragma XOD error_raise enable

#pragma XOD require "https://github.com/Seeed-Studio/Grove_LCD_RGB_Backlight/"

#include <Wire.h>
#include <rgb_lcd.h>
#include <string.h>

node {
    meta {
        struct Type {
            rgb_lcd* lcd;
            uint8_t rows;
            uint8_t cols;
        };
    }

    uint8_t mem[sizeof(rgb_lcd)];

    void evaluate(Context ctx) {
        auto wire = getValue<input_I2C>(ctx);
        uint8_t rows = (uint8_t) getValue<input_ROWS>(ctx);
        uint8_t cols = (uint8_t) getValue<input_COLS>(ctx);

        Type t;
        t.rows = rows;
        t.cols = cols;
        
        t.lcd = new (mem) rgb_lcd();
        t.lcd->begin(t.cols, t.rows, LCD_5x8DOTS, *wire);
        
        //t.lcd->begin();

        emitValue<output_DEV>(ctx, t);
        emitValue<output_DONE>(ctx, 1);
    }
}