gbmanager/src/lcd.h

#ifndef LCD_H
#define LCD_H

#include <string>

#include "hardware/i2c.h"
#include "pico/stdlib.h"

class LCD {
  public:
    LCD(i2c_inst_t *i2c, const uint gpio_sda, const uint gpio_scl,
        const uint8_t i2c_addr = 0x27, uint8_t num_cols = 16,
        uint8_t num_lines = 2);

    void sendString(const std::string &str);
    void setCursor(int line, int position);
    void clear();

  private:
    enum class Mode { COMMAND, CHARACTER };
    void sendByte(uint8_t val, Mode mode);
    void toggleEnable(uint8_t val);
    void i2cWriteByte(uint8_t val);
    void sendChar(char val);
    i2c_inst_t *i2c;
    uint8_t i2c_addr;
    uint8_t num_cols;
    uint8_t num_lines;
    uint8_t cursor_x{0};
    uint8_t cursor_y{0};
};

#endif