src/main/rx/crsf.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 #include "interface/crsf_protocol.h"
  21
  22
  23 #define CRSF_PORT_OPTIONS       (SERIAL_STOPBITS_1 | SERIAL_PARITY_NO)
  24 #define CRSF_PORT_MODE          MODE_RXTX
  25
  26 #define CRSF_MAX_CHANNEL        16
  27
  28 typedef struct crsfFrameDef_s {
  29     uint8_t deviceAddress;
  30     uint8_t frameLength;
  31     uint8_t type;
  32     uint8_t payload[CRSF_PAYLOAD_SIZE_MAX + 1]; // +1 for CRC at end of payload
  33 } crsfFrameDef_t;
  34
  35 typedef union crsfFrame_u {
  36     uint8_t bytes[CRSF_FRAME_SIZE_MAX];
  37     crsfFrameDef_t frame;
  38 } crsfFrame_t;
  39
  40 void crsfRxWriteTelemetryData(const void *data, int len);
  41 void crsfRxSendTelemetryData(void);
  42
  43 struct rxConfig_s;
  44 struct rxRuntimeConfig_s;
  45 bool crsfRxInit(const struct rxConfig_s *initialRxConfig, struct rxRuntimeConfig_s *rxRuntimeConfig);
  46 bool crsfRxIsActive(void);