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