src/main/drivers/io_impl.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 // TODO - GPIO_TypeDef include
  24 #include "platform.h"
  25
  26 #include "drivers/io.h"
  27
  28 typedef struct ioDef_s {
  29     ioTag_t tag;
  30 } ioDef_t;
  31
  32 typedef struct ioRec_s {
  33     GPIO_TypeDef *gpio;
  34     uint16_t pin;
  35     resourceOwner_e owner;
  36     uint8_t index;
  37 } ioRec_t;
  38
  39 extern ioRec_t ioRecs[];
  40
  41 int IO_GPIOPortIdx(IO_t io);
  42 int IO_GPIOPinIdx(IO_t io);
  43
  44 int IO_GPIO_PinSource(IO_t io);
  45 int IO_GPIO_PortSource(IO_t io);
  46
  47 #if defined(STM32F4)
  48 int IO_EXTI_PortSourceGPIO(IO_t io);
  49 int IO_EXTI_PinSource(IO_t io);
  50 #endif
  51
  52 GPIO_TypeDef* IO_GPIO(IO_t io);
  53 uint16_t IO_Pin(IO_t io);
  54
  55 #define IO_GPIOBYTAG(tag) IO_GPIO(IOGetByTag(tag))
  56 #define IO_PINBYTAG(tag) IO_Pin(IOGetByTag(tag))
  57 #define IO_GPIOPortIdxByTag(tag) DEFIO_TAG_GPIOID(tag)
  58 #define IO_GPIOPinIdxByTag(tag) DEFIO_TAG_PIN(tag)
  59
  60 uint32_t IO_EXTI_Line(IO_t io);
  61 ioRec_t *IO_Rec(IO_t io);