micropython/ports/stm32/extint.h

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_STM32_EXTINT_H
#define MICROPY_INCLUDED_STM32_EXTINT_H
#include "py/mphal.h"
// Vectors 0-15 are for regular pins
// Vectors 16-22 are for internal sources.
//
// Use the following constants for the internal sources:
#define EXTI_PVD_OUTPUT (16)
#define EXTI_RTC_ALARM (17)
#define EXTI_USB_OTG_FS_WAKEUP (18)
#define EXTI_ETH_WAKEUP (19)
#define EXTI_USB_OTG_HS_WAKEUP (20)
#if defined(STM32F0) || defined(STM32L4)
#define EXTI_RTC_TIMESTAMP (19)
#define EXTI_RTC_WAKEUP (20)
#else
#define EXTI_RTC_TIMESTAMP (21)
#define EXTI_RTC_WAKEUP (22)
#endif
#if defined(STM32F7)
#define EXTI_LPTIM1_ASYNC_EVENT (23)
#endif
#define EXTI_NUM_VECTORS (PYB_EXTI_NUM_VECTORS)
#define EXTI_MODE_INTERRUPT (offsetof(EXTI_TypeDef, IMR))
#define EXTI_MODE_EVENT (offsetof(EXTI_TypeDef, EMR))
#define EXTI_TRIGGER_RISING (offsetof(EXTI_TypeDef, RTSR))
#define EXTI_TRIGGER_FALLING (offsetof(EXTI_TypeDef, FTSR))
#define EXTI_TRIGGER_RISING_FALLING (EXTI_TRIGGER_RISING + EXTI_TRIGGER_FALLING) // just different from RISING or FALLING
void extint_init0(void);
uint extint_register(mp_obj_t pin_obj, uint32_t mode, uint32_t pull, mp_obj_t callback_obj, bool override_callback_obj);
void extint_register_pin(const pin_obj_t *pin, uint32_t mode, bool hard_irq, mp_obj_t callback_obj);
void extint_enable(uint line);
void extint_disable(uint line);
void extint_swint(uint line);
void Handle_EXTI_Irq(uint32_t line);
extern const mp_obj_type_t extint_type;
#endif // MICROPY_INCLUDED_STM32_EXTINT_H