src/main/io/osd_slave.h

   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 #pragma once
  22
  23 #ifdef USE_OSD_SLAVE
  24 #include "common/time.h"
  25
  26 struct displayPort_s;
  27
  28 extern bool osdSlaveIsLocked;
  29
  30 // init
  31 void osdSlaveInit(struct displayPort_s *osdDisplayPort);
  32
  33 // task api
  34 bool osdSlaveCheck(timeUs_t currentTimeUs, timeDelta_t currentDeltaTimeUs);
  35 void osdSlaveUpdate(timeUs_t currentTimeUs);
  36
  37 // msp api
  38 void osdSlaveHeartbeat(void);
  39 void osdSlaveClearScreen(void);
  40 void osdSlaveWriteChar(const uint8_t x, const uint8_t y, const uint8_t c);
  41 void osdSlaveWrite(const uint8_t x, const uint8_t y, const char *s);
  42
  43 void osdSlaveDrawScreen(void);
  44
  45 #endif