src/main/rx/jetiexbus.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 EXBUS_HEADER_LEN                6
  24 #define EXBUS_CRC_LEN                   2
  25 #define EXBUS_OVERHEAD                  (EXBUS_HEADER_LEN + EXBUS_CRC_LEN)
  26 #define EXBUS_MAX_CHANNEL_FRAME_SIZE    (EXBUS_HEADER_LEN + JETIEXBUS_CHANNEL_COUNT*2 + EXBUS_CRC_LEN)
  27 #define EXBUS_MAX_REQUEST_FRAME_SIZE    9
  28
  29 #define EXBUS_EX_REQUEST                (0x3A)
  30
  31 enum exBusHeader_e {
  32     EXBUS_HEADER_SYNC = 0,
  33     EXBUS_HEADER_REQ,
  34     EXBUS_HEADER_MSG_LEN,
  35     EXBUS_HEADER_PACKET_ID,
  36     EXBUS_HEADER_DATA_ID,
  37     EXBUS_HEADER_SUBLEN,
  38     EXBUS_HEADER_DATA
  39 };
  40
  41 enum {
  42     EXBUS_STATE_ZERO = 0,
  43     EXBUS_STATE_IN_PROGRESS,
  44     EXBUS_STATE_RECEIVED,
  45     EXBUS_STATE_PROCESSED
  46 };
  47
  48 extern uint8_t jetiExBusRequestState;
  49 extern uint32_t jetiTimeStampRequest;
  50 extern uint8_t jetiExBusRequestFrame[EXBUS_MAX_REQUEST_FRAME_SIZE];
  51 struct serialPort_s;
  52 extern struct serialPort_s *jetiExBusPort;
  53
  54 uint16_t jetiExBusCalcCRC16(uint8_t *pt, uint8_t msgLen);
  55 bool jetiExBusInit(const rxConfig_t *rxConfig, rxRuntimeState_t *rxRuntimeState);