src/main/drivers/serial_impl.h

   1 /*
   2  * This file is part of Betaflight.
   3  *
   4  * Betaflight is free software. You can redistribute this software
   5  * and/or modify this software under the terms of the GNU General
   6  * Public License as published by the Free Software Foundation,
   7  * either version 3 of the License, or (at your option) any later
   8  * version.
   9  *
  10  * Betaflight is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  *
  14  * See the GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this software.
  18  *
  19  * If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #pragma once
  23
  24 #include <stdbool.h>
  25
  26 /*
  27  * common functions related to serial port implementation
  28  */
  29
  30 // owner of Tx pin (+1 for Rx)
  31 resourceOwner_e serialOwnerTxRx(serialPortIdentifier_e identifier);
  32 // index for given owner
  33 int serialOwnerIndex(serialPortIdentifier_e identifier);
  34
  35 typedef enum { serialPullNone = 0, serialPullDown = 1, serialPullUp = 2 } serialPullMode_t;
  36 serialPullMode_t serialOptions_pull(portOptions_e options);
  37 bool serialOptions_pushPull(portOptions_e options);
  38