/* This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
/** library to show display text on SSD1306 OLED display
 *  @file
 *  @author King Kévin <kingkevin@cuvoodoo.info>
 *  @date 2018-2020
 *  @note peripherals used: I²C @ref oled_ssd1306_i2c
 */
#include "font.h"

/** setup OLED display
 *  @return if OLED screen is present and responsive
 */
bool oled_text_setup(void);
/** clear display buffer
 *  @note update the display to clear it
 */
void oled_text_clear(void);
/** draw text in display buffer
 *  @param[in] column display column where to start drawing the text (0 is left)
 *  @param[in] row display row where to put the lower end of the characters (0 is top)
 *  @param[in] font_name name of the font to use to draw the text
 *  @param[in] text text string to draw
 */
void oled_text_pos(uint8_t column, uint8_t row, enum font_name font_name, const char *text);
/** draw text on display
 *  @param[in] text text to display on top left side of screen
 *  @param[in] line_nb on which line to display the text (up to 3)
 *  @note update the display to display the text
 */
void oled_text_line(const char* text, uint8_t line_nb);
/** update OLED display RAM with current display buffer */
void oled_text_update(void);