src/main/rx/spektrum.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 #define SPEKTRUM_MAX_SUPPORTED_CHANNEL_COUNT 12
  24 #define SPEKTRUM_2048_CHANNEL_COUNT          12
  25 #define SPEKTRUM_1024_CHANNEL_COUNT           7
  26
  27 #define SPEKTRUM_SAT_BIND_DISABLED            0
  28 #define SPEKTRUM_SAT_BIND_MAX                10
  29
  30 #define SPEK_FRAME_SIZE                      16
  31 #define SRXL_FRAME_OVERHEAD                   5
  32 #define SRXL_FRAME_SIZE_MAX (SPEK_FRAME_SIZE + SRXL_FRAME_OVERHEAD)
  33
  34 #define SPEKTRUM_NEEDED_FRAME_INTERVAL     5000
  35 #define SPEKTRUM_TELEMETRY_FRAME_DELAY     1000   // Gap between received Rc frame and transmited TM frame, uS
  36
  37 #define SPEKTRUM_BAUDRATE                115200
  38
  39
  40 // Spektrum system type values
  41 #define SPEKTRUM_DSM2_22                   0x01
  42 #define SPEKTRUM_DSM2_11                   0x12
  43 #define SPEKTRUM_DSMX_22                   0xa2
  44 #define SPEKTRUM_DSMX_11                   0xb2
  45
  46 extern uint32_t spekChannelData[SPEKTRUM_MAX_SUPPORTED_CHANNEL_COUNT];
  47
  48 extern bool srxlEnabled;
  49 extern int32_t resolution;
  50 extern uint8_t rssi_channel; // Stores the RX RSSI channel.
  51
  52 void spektrumBind(rxConfig_t *rxConfig);
  53 bool spektrumInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig);
  54
  55 void srxlRxWriteTelemetryData(const void *data, int len);
  56 bool srxlRxIsActive(void);