gbmanager/lcd.h

#ifndef LCD_H
#define LCD_H

#include <string>

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

enum class Mode { COMMAND, CHARACTER };

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:
  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