/* * This file 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 file 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 . * */ #pragma once #include #include #include class AP_OSD_Backend { public: //constructor AP_OSD_Backend(AP_OSD &osd): _osd(osd) {}; //destructor virtual ~AP_OSD_Backend(void) {} //draw given text to framebuffer virtual void write(uint8_t x, uint8_t y, const char* text) = 0; //draw formatted text to framebuffer virtual void write(uint8_t x, uint8_t y, bool blink, const char *fmt, ...) FMT_PRINTF(5, 6); //initilize framebuffer and underlying hardware virtual bool init() = 0; //update screen virtual void flush() = 0; // return a correction factor used to display angles correctly virtual float get_aspect_ratio_correction() const {return 1;} //clear screen //should match hw blink virtual void clear() { blink_phase = (blink_phase+1)%4; }; // copy the backend specific symbol set to the OSD lookup table virtual void init_symbol_set(uint8_t *symbols, const uint8_t size); AP_OSD * get_osd() { return &_osd; } protected: AP_OSD& _osd; // get font choice uint8_t get_font_num(void) const { return (uint8_t)_osd.font_num.get(); } //check option bool check_option(uint32_t option) const { return (_osd.options & option) != 0; } uint8_t convert_to_decimal_packed_characters(char* buff, uint8_t size); virtual uint8_t format_string_for_osd(char* dst, uint8_t size, bool decimal_packed, const char *fmt, va_list ap); // load a font from sdcard or ROMFS FileData *load_font_data(uint8_t font_num); int8_t blink_phase; enum vid_format { FORMAT_UNKNOWN = 0, FORMAT_NTSC = 1, FORMAT_PAL = 2, } _format; // default OSD symbols static const uint8_t SYM_M = 0xB9; static const uint8_t SYM_KM = 0xBA; static const uint8_t SYM_FT = 0x0F; static const uint8_t SYM_MI = 0xBB; static const uint8_t SYM_ALT_M = 0xB1; static const uint8_t SYM_ALT_FT = 0xB3; static const uint8_t SYM_BATT_FULL = 0x90; static const uint8_t SYM_RSSI = 0x01; static const uint8_t SYM_VOLT = 0x06; static const uint8_t SYM_AMP = 0x9A; static const uint8_t SYM_MAH = 0x07; static const uint8_t SYM_MS = 0x9F; static const uint8_t SYM_FS = 0x99; static const uint8_t SYM_KMH = 0xA1; static const uint8_t SYM_MPH = 0xB0; static const uint8_t SYM_DEGR = 0xA8; static const uint8_t SYM_PCNT = 0x25; static const uint8_t SYM_RPM = 0xE0; static const uint8_t SYM_ASPD = 0xE1; static const uint8_t SYM_GSPD = 0xE2; static const uint8_t SYM_WSPD = 0xE3; static const uint8_t SYM_VSPD = 0xE4; static const uint8_t SYM_WPNO = 0xE5; static const uint8_t SYM_WPDIR = 0xE6; static const uint8_t SYM_WPDST = 0xE7; static const uint8_t SYM_FTMIN = 0xE8; static const uint8_t SYM_FTSEC = 0x99; static const uint8_t SYM_SAT_L = 0x1E; static const uint8_t SYM_SAT_R = 0x1F; static const uint8_t SYM_HDOP_L = 0xBD; static const uint8_t SYM_HDOP_R = 0xBE; static const uint8_t SYM_HOME = 0xBF; static const uint8_t SYM_WIND = 0x16; static const uint8_t SYM_ARROW_START = 0x60; static const uint8_t SYM_ARROW_COUNT = 16; static const uint8_t SYM_AH_H_START = 0x80; static const uint8_t SYM_AH_H_COUNT = 9; static const uint8_t SYM_AH_V_START = 0xCA; static const uint8_t SYM_AH_V_COUNT = 6; static const uint8_t SYM_AH_CENTER_LINE_LEFT = 0x26; static const uint8_t SYM_AH_CENTER_LINE_RIGHT = 0x27; static const uint8_t SYM_AH_CENTER = 0x7E; static const uint8_t SYM_HEADING_N = 0x18; static const uint8_t SYM_HEADING_S = 0x19; static const uint8_t SYM_HEADING_E = 0x1A; static const uint8_t SYM_HEADING_W = 0x1B; static const uint8_t SYM_HEADING_DIVIDED_LINE = 0x1C; static const uint8_t SYM_HEADING_LINE = 0x1D; static const uint8_t SYM_UP_UP = 0xA2; static const uint8_t SYM_UP = 0xA3; static const uint8_t SYM_DOWN = 0xA4; static const uint8_t SYM_DOWN_DOWN = 0xA5; static const uint8_t SYM_DEGREES_C = 0x0E; static const uint8_t SYM_DEGREES_F = 0x0D; static const uint8_t SYM_GPS_LAT = 0xA6; static const uint8_t SYM_GPS_LONG = 0xA7; static const uint8_t SYM_ARMED = 0x00; static const uint8_t SYM_DISARMED = 0xE9; static const uint8_t SYM_ROLL0 = 0x2D; static const uint8_t SYM_ROLLR = 0xEA; static const uint8_t SYM_ROLLL = 0xEB; static const uint8_t SYM_PTCH0 = 0x7C; static const uint8_t SYM_PTCHUP = 0xEC; static const uint8_t SYM_PTCHDWN = 0xED; static const uint8_t SYM_XERR = 0xEE; static const uint8_t SYM_KN = 0xF0; static const uint8_t SYM_NM = 0xF1; static const uint8_t SYM_DIST = 0x22; static const uint8_t SYM_FLY = 0x9C; static const uint8_t SYM_EFF = 0xF2; static const uint8_t SYM_AH = 0xF3; static const uint8_t SYM_MW = 0xF4; static const uint8_t SYM_CLK = 0xBC; static const uint8_t SYM_KILO = 0x4B; static const uint8_t SYM_TERALT = 0xEF; static const uint8_t SYM_FENCE_ENABLED = 0xF5; static const uint8_t SYM_FENCE_DISABLED = 0xF6; static const uint8_t SYM_RNGFD = 0xF7; static const uint8_t SYM_LQ = 0xF8; static const uint8_t SYM_SIDEBAR_R_ARROW = 0x09; static const uint8_t SYM_SIDEBAR_L_ARROW = 0x0A; static const uint8_t SYM_SIDEBAR_A = 0x13; static const uint8_t SYM_SIDEBAR_B = 0x14; static const uint8_t SYM_SIDEBAR_C = 0x15; static const uint8_t SYM_SIDEBAR_D = 0xDD; static const uint8_t SYM_SIDEBAR_E = 0xDB; static const uint8_t SYM_SIDEBAR_F = 0xDC; static const uint8_t SYM_SIDEBAR_G = 0xDA; static const uint8_t SYM_SIDEBAR_H = 0xDE; static const uint8_t SYM_SIDEBAR_I = 0x11; static const uint8_t SYM_SIDEBAR_J = 0x12; static constexpr uint8_t symbols[AP_OSD_NUM_SYMBOLS] { SYM_M, SYM_KM, SYM_FT, SYM_MI, SYM_ALT_M, SYM_ALT_FT, SYM_BATT_FULL, SYM_RSSI, SYM_VOLT, SYM_AMP, SYM_MAH, SYM_MS, SYM_FS, SYM_KMH, SYM_MPH, SYM_DEGR, SYM_PCNT, SYM_RPM, SYM_ASPD, SYM_GSPD, SYM_WSPD, SYM_VSPD, SYM_WPNO, SYM_WPDIR, SYM_WPDST, SYM_FTMIN, SYM_FTSEC, SYM_SAT_L, SYM_SAT_R, SYM_HDOP_L, SYM_HDOP_R, SYM_HOME, SYM_WIND, SYM_ARROW_START, SYM_ARROW_COUNT, SYM_AH_H_START, SYM_AH_H_COUNT, SYM_AH_V_START, SYM_AH_V_COUNT, SYM_AH_CENTER_LINE_LEFT, SYM_AH_CENTER_LINE_RIGHT, SYM_AH_CENTER, SYM_HEADING_N, SYM_HEADING_S, SYM_HEADING_E, SYM_HEADING_W, SYM_HEADING_DIVIDED_LINE, SYM_HEADING_LINE, SYM_UP_UP, SYM_UP, SYM_DOWN, SYM_DOWN_DOWN, SYM_DEGREES_C, SYM_DEGREES_F, SYM_GPS_LAT, SYM_GPS_LONG, SYM_ARMED, SYM_DISARMED, SYM_ROLL0, SYM_ROLLR, SYM_ROLLL, SYM_PTCH0, SYM_PTCHUP, SYM_PTCHDWN, SYM_XERR, SYM_KN, SYM_NM, SYM_DIST, SYM_FLY, SYM_EFF, SYM_AH, SYM_MW, SYM_CLK, SYM_KILO, SYM_TERALT, SYM_FENCE_ENABLED, SYM_FENCE_DISABLED, SYM_RNGFD, SYM_LQ, SYM_SIDEBAR_R_ARROW, SYM_SIDEBAR_L_ARROW, SYM_SIDEBAR_A, SYM_SIDEBAR_B, SYM_SIDEBAR_C, SYM_SIDEBAR_D, SYM_SIDEBAR_E, SYM_SIDEBAR_F, SYM_SIDEBAR_G, SYM_SIDEBAR_H, SYM_SIDEBAR_I, SYM_SIDEBAR_J, }; };