cardboy/Firmware/main/src/disp_tty.cpp

//
// Created by Stepan Usatiuk on 26.04.2024.
//

#include "disp_tty.hpp"

#include <disp_tools.hpp>

#include "Fonts.hpp"

void FbTty::draw_char(int col, int row) {
    for (int x = 0; x < 8; x++) {
        for (int y = 0; y < 16; y++) {
            bool color = fonts_Terminess_Powerline[_buf[col][row]][y] & (1 << (8 - x));
            if (color)
                DispTools::get().set_pixel(col * 8 + x, row * 16 + y);
            else
                DispTools::get().reset_pixel(col * 8 + x, row * 16 + y);
        }
    }
}
void FbTty::reset() {
    _cur_col = 0;
    _cur_row = 0;
}
void FbTty::putchar(char c) {
    if (c == '\n') {
        next_row();
        return;
    }

    _buf[_cur_col][_cur_row] = c;

    draw_char(_cur_col, _cur_row);

    next_col();
}
void FbTty::putstr(const char* str) {
    while (*str != 0) {
        putchar(*str);
        str++;
    }
}
void FbTty::next_col() {
    _cur_col++;
    _cur_col = _cur_col % _max_col;
    if (_cur_col == 0) {
        next_row();
    } else {
        _buf[_cur_col][_cur_row] = ' ';
        draw_char(_cur_col, _cur_row);
    }
}
void FbTty::next_row() {
    _cur_col = 0;
    _cur_row++;
    _cur_row = _cur_row % _max_row;
    for (int i = 0; i < _max_col; i++) {
        _buf[i][_cur_row] = ' ';
        draw_char(i, _cur_row);
    }
}