esp8266-rtos-fonts's Introduction

ESP8266-RTOS-FONTS

This is a direct port from extras/fonts component from esp-open-rtos. You can use this module along with ESP8266-RTOS-SSD1306 to display text to oled display.

Compatibility

espressif/ESP8266_RTOS_SDK v3.2 (esp-idf style) ESP8266-RTOS-SSD1306

Usage

Clone this into your project components folder and run make menuconfig to select embeded fonts.

    const font_info_t *font = font_builtin_fonts[FONT_FACE_TERMINUS_6X12_ISO8859_1];

Font Definitions

typedef enum
{
    FONT_FACE_GLCD5x7 = 0,

    FONT_FACE_ROBOTO_8PT,
    FONT_FACE_ROBOTO_10PT,

    FONT_FACE_BITOCRA_4X7,
    FONT_FACE_BITOCRA_6X11,
    FONT_FACE_BITOCRA_7X13,

    FONT_FACE_TERMINUS_6X12_ISO8859_1,
    FONT_FACE_TERMINUS_8X14_ISO8859_1,
    FONT_FACE_TERMINUS_BOLD_8X14_ISO8859_1,
    FONT_FACE_TERMINUS_10X18_ISO8859_1,
    FONT_FACE_TERMINUS_BOLD_10X18_ISO8859_1,
    FONT_FACE_TERMINUS_11X22_ISO8859_1,
    FONT_FACE_TERMINUS_BOLD_11X22_ISO8859_1,
    FONT_FACE_TERMINUS_12X24_ISO8859_1,
    FONT_FACE_TERMINUS_BOLD_12X24_ISO8859_1,
    FONT_FACE_TERMINUS_14X28_ISO8859_1,
    FONT_FACE_TERMINUS_BOLD_14X28_ISO8859_1,
    FONT_FACE_TERMINUS_16X32_ISO8859_1,
    FONT_FACE_TERMINUS_BOLD_16X32_ISO8859_1,

    FONT_FACE_TERMINUS_6X12_KOI8_R,
    FONT_FACE_TERMINUS_8X14_KOI8_R,
    FONT_FACE_TERMINUS_BOLD_8X14_KOI8_R,
    FONT_FACE_TERMINUS_14X28_KOI8_R,
    FONT_FACE_TERMINUS_BOLD_14X28_KOI8_R,
    FONT_FACE_TERMINUS_16X32_KOI8_R,
    FONT_FACE_TERMINUS_BOLD_16X32_KOI8_R,
} font_face_t;

typedef struct _font_info
{
    uint8_t height;                           ///< Character height in pixel, all characters have same height
    uint8_t c;                                ///< Simulation of "C" width in TrueType term, the space between adjacent characters
    char char_start;                          ///< First character
    char char_end;                            ///< Last character
    const font_char_desc_t *char_descriptors; ///< descriptor for each character
    const uint8_t *bitmap;                    ///< Character bitmap
} font_info_t;

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