Arduino-Scrolltext-Weather-Report/include/matrix.hpp

#ifndef MATRIX_H
#define MATRIX_H

#include <inttypes.h>
#include <Arduino.h>

#define N_ROWS 5
#define N_COLS 10

struct row_t {
  uint8_t bytes[N_COLS];
};

struct matrix_t {
    union {
    row_t rows[N_ROWS];
    uint8_t bytes[sizeof(row_t) * N_ROWS];
  };
};

extern matrix_t matrix;

void matrix_init();
void writeRow(const uint8_t& nRow, const uint16_t& values);
void nextRow();

#endif