src/main/rx/spektrum.h

   1 /*
   2  * This file is part of Cleanflight.
   3  *
   4  * Cleanflight is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Cleanflight is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #pragma once
  19
  20 #define SPEKTRUM_MAX_SUPPORTED_CHANNEL_COUNT 12
  21 #define SPEKTRUM_2048_CHANNEL_COUNT          12
  22 #define SPEKTRUM_1024_CHANNEL_COUNT           7
  23
  24 #define SPEKTRUM_SAT_BIND_DISABLED            0
  25 #define SPEKTRUM_SAT_BIND_MAX                10
  26
  27 #define SPEK_FRAME_SIZE                      16
  28 #define SRXL_FRAME_OVERHEAD                   5
  29 #define SRXL_FRAME_SIZE_MAX (SPEK_FRAME_SIZE + SRXL_FRAME_OVERHEAD)
  30
  31 #define SPEKTRUM_NEEDED_FRAME_INTERVAL     5000
  32 #define SPEKTRUM_TELEMETRY_FRAME_DELAY     1000   // Gap between received Rc frame and transmited TM frame, uS
  33
  34 #define SPEKTRUM_BAUDRATE                115200
  35
  36
  37 // Spektrum system type values
  38 #define SPEKTRUM_DSM2_22                   0x01
  39 #define SPEKTRUM_DSM2_11                   0x12
  40 #define SPEKTRUM_DSMX_22                   0xa2
  41 #define SPEKTRUM_DSMX_11                   0xb2
  42
  43 extern uint32_t spekChannelData[SPEKTRUM_MAX_SUPPORTED_CHANNEL_COUNT];
  44
  45 extern bool srxlEnabled;
  46 extern int32_t resolution;
  47 extern uint8_t rssi_channel; // Stores the RX RSSI channel.
  48
  49 void spektrumBind(rxConfig_t *rxConfig);
  50 bool spektrumInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig);
  51
  52 void srxlRxWriteTelemetryData(const void *data, int len);
  53 bool srxlRxIsActive(void);