src/main/drivers/exti.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
  19 #pragma once
  20
  21 #include "drivers/io_types.h"
  22
  23 // old EXTI interface, to be replaced
  24 typedef struct extiConfig_s {
  25     ioTag_t tag;
  26 } extiConfig_t;
  27
  28 typedef struct extiCallbackRec_s extiCallbackRec_t;
  29 typedef void extiHandlerCallback(extiCallbackRec_t *self);
  30
  31 struct extiCallbackRec_s {
  32     extiHandlerCallback *fn;
  33 };
  34
  35 void EXTIInit(void);
  36
  37 void EXTIHandlerInit(extiCallbackRec_t *cb, extiHandlerCallback *fn);
  38 #if defined(STM32F7) || defined(STM32H7)
  39 void EXTIConfig(IO_t io, extiCallbackRec_t *cb, int irqPriority, ioConfig_t config);
  40 #elif defined(AT32F43x)
  41 void EXTIConfig(IO_t io, extiCallbackRec_t *cb, int irqPriority, exint_polarity_config_type trigger);
  42 #else
  43 void EXTIConfig(IO_t io, extiCallbackRec_t *cb, int irqPriority, EXTITrigger_TypeDef trigger);
  44 #endif
  45 void EXTIRelease(IO_t io);
  46 void EXTIEnable(IO_t io, bool enable);