src/main/io/displayport_hott.c

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <stdbool.h>
  22 #include <stdint.h>
  23 #include <string.h>
  24
  25 #include "platform.h"
  26
  27 #if defined(USE_HOTT_TEXTMODE) && defined(USE_CMS)
  28
  29 #include "common/utils.h"
  30 #include "cms/cms.h"
  31 #include "telemetry/hott.h"
  32
  33 displayPort_t hottDisplayPort;
  34
  35 static bool hottDrawScreen(displayPort_t *displayPort)
  36 {
  37     UNUSED(displayPort);
  38     return 0;
  39 }
  40
  41 static int hottScreenSize(const displayPort_t *displayPort)
  42 {
  43     return displayPort->rows * displayPort->cols;
  44 }
  45
  46 static int hottWriteChar(displayPort_t *displayPort, uint8_t col, uint8_t row, uint8_t attr, uint8_t c)
  47 {
  48     UNUSED(displayPort);
  49     UNUSED(attr);
  50
  51     hottTextmodeWriteChar(col, row, c);
  52     return 0;
  53 }
  54
  55 static int hottWriteString(displayPort_t *displayPort, uint8_t col, uint8_t row, uint8_t attr, const char *s)
  56 {
  57     UNUSED(attr);
  58
  59     while (*s) {
  60         hottWriteChar(displayPort,  col++, row, DISPLAYPORT_SEVERITY_NORMAL, *(s++));
  61     }
  62     return 0;
  63 }
  64
  65 static int hottClearScreen(displayPort_t *displayPort, displayClearOption_e options)
  66 {
  67     UNUSED(options);
  68
  69     for (int row = 0; row < displayPort->rows; row++) {
  70         for (int col= 0; col < displayPort->cols; col++) {
  71             hottWriteChar(displayPort, col, row, DISPLAYPORT_SEVERITY_NORMAL, ' ');
  72         }
  73     }
  74     return 0;
  75 }
  76
  77 static bool hottIsTransferInProgress(const displayPort_t *displayPort)
  78 {
  79     UNUSED(displayPort);
  80     return false;
  81 }
  82
  83 static int hottHeartbeat(displayPort_t *displayPort)
  84 {
  85     if (!hottTextmodeIsAlive()) {
  86         cmsMenuExit(displayPort, (void*)CMS_EXIT_SAVE);
  87     }
  88
  89     return 0;
  90 }
  91
  92 static void hottRedraw(displayPort_t *displayPort)
  93 {
  94     UNUSED(displayPort);
  95 }
  96
  97 static uint32_t hottTxBytesFree(const displayPort_t *displayPort)
  98 {
  99     UNUSED(displayPort);
 100     return UINT32_MAX;
 101 }
 102
 103 static int hottGrab(displayPort_t *displayPort)
 104 {
 105     hottTextmodeGrab();
 106     return displayPort->grabCount = 1;
 107 }
 108
 109 static int hottRelease(displayPort_t *displayPort)
 110 {
 111     int cnt = displayPort->grabCount = 0;
 112     hottClearScreen(displayPort, DISPLAY_CLEAR_WAIT);
 113     hottTextmodeExit();
 114     return cnt;
 115 }
 116
 117 static const displayPortVTable_t hottVTable = {
 118     .grab = hottGrab,
 119     .release = hottRelease,
 120     .clearScreen = hottClearScreen,
 121     .drawScreen = hottDrawScreen,
 122     .screenSize = hottScreenSize,
 123     .writeString = hottWriteString,
 124     .writeChar = hottWriteChar,
 125     .isTransferInProgress = hottIsTransferInProgress,
 126     .heartbeat = hottHeartbeat,
 127     .redraw = hottRedraw,
 128     .txBytesFree = hottTxBytesFree,
 129     .layerSupported = NULL,
 130     .layerSelect = NULL,
 131     .layerCopy = NULL,
 132 };
 133
 134 static displayPort_t *displayPortHottInit(void)
 135 {
 136     hottDisplayPort.device = NULL;
 137     displayInit(&hottDisplayPort, &hottVTable, DISPLAYPORT_DEVICE_TYPE_HOTT);
 138     hottDisplayPort.useFullscreen = true;
 139     hottDisplayPort.rows = HOTT_TEXTMODE_DISPLAY_ROWS;
 140     hottDisplayPort.cols = HOTT_TEXTMODE_DISPLAY_COLUMNS;
 141     return &hottDisplayPort;
 142 }
 143
 144 void hottDisplayportRegister(void)
 145 {
 146     cmsDisplayPortRegister(displayPortHottInit());
 147 }
 148
 149 void hottCmsOpen(void)
 150 {
 151     if (!cmsInMenu) {
 152         cmsDisplayPortSelect(&hottDisplayPort);
 153         cmsMenuOpen();
 154     }
 155 }
 156
 157 void hottSetCmsKey(uint8_t hottKey, bool keepCmsOpen)
 158 {
 159     switch (hottKey) {
 160         case HOTTV4_BUTTON_DEC:
 161             cmsSetExternKey(CMS_KEY_UP);
 162             break;
 163         case HOTTV4_BUTTON_INC:
 164             cmsSetExternKey(CMS_KEY_DOWN);
 165             break;
 166         case HOTTV4_BUTTON_SET:
 167             if (cmsInMenu) {
 168                 cmsMenuExit(pCurrentDisplay, (void*)CMS_EXIT_SAVE);
 169             }
 170             cmsSetExternKey(CMS_KEY_NONE);
 171             break;
 172         case HOTTV4_BUTTON_NEXT:
 173             cmsSetExternKey(CMS_KEY_RIGHT);
 174             break;
 175         case HOTTV4_BUTTON_PREV:
 176             cmsSetExternKey(CMS_KEY_LEFT);
 177             if (keepCmsOpen) { // Make sure CMS is open until textmode is closed.
 178                 cmsMenuOpen();
 179             }
 180             break;
 181          default:
 182             cmsSetExternKey(CMS_KEY_NONE);
 183             break;
 184         }
 185 }
 186
 187 #endif