33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/** library to show display text on SSD1306 OLED display
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* @file
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* @author King Kévin <kingkevin@cuvoodoo.info>
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* @date 2018-2020
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* @copyright SPDX-License-Identifier: GPL-3.0-or-later
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* @note peripherals used: I²C @ref oled_ssd1306_i2c
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*/
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#include "font.h"
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/** setup OLED display
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* @return if OLED screen is present and responsive
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*/
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bool oled_text_setup(void);
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/** clear display buffer
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* @note update the display to clear it
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*/
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void oled_text_clear(void);
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/** draw text in display buffer
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* @param[in] column display column where to start drawing the text (0 is left)
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* @param[in] row display row where to put the lower end of the characters (0 is top)
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* @param[in] font_name name of the font to use to draw the text
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* @param[in] text text string to draw
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*/
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void oled_text_pos(uint8_t column, uint8_t row, enum font_name font_name, const char *text);
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/** draw text on display
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* @param[in] text text to display on top left side of screen
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* @param[in] line_nb on which line to display the text (up to 3)
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* @note update the display to display the text
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*/
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void oled_text_line(const char* text, uint8_t line_nb);
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/** update OLED display RAM with current display buffer */
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void oled_text_update(void);
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