src/main/io/osd_common.c

   1 /*
   2  * This file is part of INAV.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   6  * You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * Alternatively, the contents of this file may be used under the terms
   9  * of the GNU General Public License Version 3, as described below:
  10  *
  11  * This file is free software: you may copy, redistribute and/or modify
  12  * it under the terms of the GNU General Public License as published by the
  13  * Free Software Foundation, either version 3 of the License, or (at your
  14  * option) any later version.
  15  *
  16  * This file is distributed in the hope that it will be useful, but
  17  * WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
  19  * Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program. If not, see http://www.gnu.org/licenses/.
  23  *
  24  * @author Alberto Garcia Hierro <alberto@garciahierro.com>
  25  */
  26
  27 #include "platform.h"
  28
  29 #include "common/utils.h"
  30
  31 #include "config/parameter_group.h"
  32 #include "config/parameter_group_ids.h"
  33
  34 #include "drivers/display.h"
  35 #include "drivers/display_canvas.h"
  36 #include "drivers/osd.h"
  37
  38 #include "fc/settings.h"
  39
  40 #include "io/osd_canvas.h"
  41 #include "io/osd_common.h"
  42 #include "io/osd_grid.h"
  43
  44 #include "navigation/navigation.h"
  45 #include "sensors/pitotmeter.h"
  46
  47
  48 #if defined(USE_OSD) || defined(USE_DJI_HD_OSD)
  49
  50 PG_REGISTER_WITH_RESET_TEMPLATE(osdCommonConfig_t, osdCommonConfig, PG_OSD_COMMON_CONFIG, 0);
  51
  52 PG_RESET_TEMPLATE(osdCommonConfig_t, osdCommonConfig,
  53     .speedSource = SETTING_OSD_SPEED_SOURCE_DEFAULT
  54 );
  55
  56 int osdGetSpeedFromSelectedSource(void) {
  57     int speed = 0;
  58     switch (osdCommonConfig()->speedSource) {
  59         case OSD_SPEED_SOURCE_GROUND:
  60             speed = gpsSol.groundSpeed;
  61             break;
  62         case OSD_SPEED_SOURCE_3D:
  63             speed = osdGet3DSpeed();
  64             break;
  65         case OSD_SPEED_SOURCE_AIR:
  66             #ifdef USE_PITOT
  67             speed = pitot.airSpeed;
  68             #endif
  69             break;
  70     }
  71     return speed;
  72 }
  73
  74 #endif // defined(USE_OSD) || defined(USE_DJI_HD_OSD)
  75
  76 #if defined(USE_OSD)
  77
  78 #define CANVAS_DEFAULT_GRID_ELEMENT_WIDTH OSD_CHAR_WIDTH
  79 #define CANVAS_DEFAULT_GRID_ELEMENT_HEIGHT OSD_CHAR_HEIGHT
  80
  81 void osdDrawPointGetGrid(uint8_t *gx, uint8_t *gy, const displayPort_t *display, const displayCanvas_t *canvas, const osdDrawPoint_t *p)
  82 {
  83     UNUSED(display);
  84
  85     switch (p->type) {
  86         case OSD_DRAW_POINT_TYPE_GRID:
  87             *gx = p->grid.gx;
  88             *gy = p->grid.gy;
  89             break;
  90         case OSD_DRAW_POINT_TYPE_PIXEL:
  91             *gx = p->pixel.px / (canvas ? canvas->gridElementWidth : CANVAS_DEFAULT_GRID_ELEMENT_WIDTH);
  92             *gy = p->pixel.py / (canvas ? canvas->gridElementHeight : OSD_CHAR_HEIGHT);
  93             break;
  94     }
  95 }
  96
  97 void osdDrawPointGetPixels(int *px, int *py, const displayPort_t *display, const displayCanvas_t *canvas, const osdDrawPoint_t *p)
  98 {
  99     UNUSED(display);
 100
 101     switch (p->type) {
 102         case OSD_DRAW_POINT_TYPE_GRID:
 103             *px = p->grid.gx * (canvas ? canvas->gridElementWidth : CANVAS_DEFAULT_GRID_ELEMENT_WIDTH);
 104             *py = p->grid.gy * (canvas ? canvas->gridElementHeight : CANVAS_DEFAULT_GRID_ELEMENT_HEIGHT);
 105             break;
 106         case OSD_DRAW_POINT_TYPE_PIXEL:
 107             *px = p->pixel.px;
 108             *py = p->pixel.py;
 109             break;
 110     }
 111 }
 112
 113 void osdDrawVario(displayPort_t *display, displayCanvas_t *canvas, const osdDrawPoint_t *p, float zvel)
 114 {
 115     uint8_t gx;
 116     uint8_t gy;
 117
 118 #if defined(USE_CANVAS)
 119     if (canvas) {
 120         osdCanvasDrawVario(display, canvas, p, zvel);
 121     } else {
 122 #endif
 123         osdDrawPointGetGrid(&gx, &gy, display, canvas, p);
 124         osdGridDrawVario(display, gx, gy, zvel);
 125 #if defined(USE_CANVAS)
 126     }
 127 #endif
 128 }
 129
 130 void osdDrawDirArrow(displayPort_t *display, displayCanvas_t *canvas, const osdDrawPoint_t *p, float degrees)
 131 {
 132     uint8_t gx;
 133     uint8_t gy;
 134
 135 #if defined(USE_CANVAS)
 136     if (canvas) {
 137         osdCanvasDrawDirArrow(display, canvas, p, degrees);
 138     } else {
 139 #endif
 140         osdDrawPointGetGrid(&gx, &gy, display, canvas, p);
 141         osdGridDrawDirArrow(display, gx, gy, degrees);
 142 #if defined(USE_CANVAS)
 143     }
 144 #endif
 145 }
 146
 147 void osdDrawArtificialHorizon(displayPort_t *display, displayCanvas_t *canvas, const osdDrawPoint_t *p, float rollAngle, float pitchAngle)
 148 {
 149     uint8_t gx;
 150     uint8_t gy;
 151 #if defined(USE_CANVAS)
 152     if (canvas) {
 153         osdCanvasDrawArtificialHorizon(display, canvas, p, pitchAngle, rollAngle);
 154     } else {
 155 #endif
 156         osdDrawPointGetGrid(&gx, &gy, display, canvas, p);
 157         osdGridDrawArtificialHorizon(display, gx, gy, pitchAngle, rollAngle);
 158 #if defined(USE_CANVAS)
 159     }
 160 #endif
 161 }
 162
 163 void osdDrawHeadingGraph(displayPort_t *display, displayCanvas_t *canvas, const osdDrawPoint_t *p, int heading)
 164 {
 165     uint8_t gx;
 166     uint8_t gy;
 167 #if defined(USE_CANVAS)
 168     if (canvas) {
 169         osdCanvasDrawHeadingGraph(display, canvas, p, heading);
 170     } else {
 171 #endif
 172         osdDrawPointGetGrid(&gx, &gy, display, canvas, p);
 173         osdGridDrawHeadingGraph(display, gx, gy, heading);
 174 #if defined(USE_CANVAS)
 175     }
 176 #endif
 177 }
 178
 179 void osdDrawSidebars(displayPort_t *display, displayCanvas_t *canvas)
 180 {
 181 #if defined(USE_CANVAS)
 182     if (osdCanvasDrawSidebars(display, canvas))  {
 183         return;
 184     }
 185 #else
 186     UNUSED(canvas);
 187 #endif
 188     osdGridDrawSidebars(display);
 189 }
 190
 191 #endif
 192
 193 #ifdef USE_GPS
 194 int16_t osdGet3DSpeed(void)
 195 {
 196     int16_t vert_speed = getEstimatedActualVelocity(Z);
 197     int16_t hor_speed = gpsSol.groundSpeed;
 198     return (int16_t)calc_length_pythagorean_2D(hor_speed, vert_speed);
 199 }
 200 #endif