4abe3731e3
This method follows the new HW API and allows to set a hard or soft IRQ callback when a Pin has a level change. It still remains to make this method return a IRQ object.
64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// Vectors 0-15 are for regular pins
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// Vectors 16-22 are for internal sources.
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//
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// Use the following constants for the internal sources:
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#define EXTI_PVD_OUTPUT (16)
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#define EXTI_RTC_ALARM (17)
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#define EXTI_USB_OTG_FS_WAKEUP (18)
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#define EXTI_ETH_WAKEUP (19)
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#define EXTI_USB_OTG_HS_WAKEUP (20)
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#define EXTI_RTC_TIMESTAMP (21)
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#define EXTI_RTC_WAKEUP (22)
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#if defined(MCU_SERIES_F7)
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#define EXTI_LPTIM1_ASYNC_EVENT (23)
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#endif
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#define EXTI_NUM_VECTORS (PYB_EXTI_NUM_VECTORS)
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#define EXTI_MODE_INTERRUPT (offsetof(EXTI_TypeDef, IMR))
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#define EXTI_MODE_EVENT (offsetof(EXTI_TypeDef, EMR))
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#define EXTI_TRIGGER_RISING (offsetof(EXTI_TypeDef, RTSR))
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#define EXTI_TRIGGER_FALLING (offsetof(EXTI_TypeDef, FTSR))
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#define EXTI_TRIGGER_RISING_FALLING (EXTI_TRIGGER_RISING + EXTI_TRIGGER_FALLING) // just different from RISING or FALLING
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void extint_init0(void);
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uint extint_register(mp_obj_t pin_obj, uint32_t mode, uint32_t pull, mp_obj_t callback_obj, bool override_callback_obj);
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void extint_register_pin(const pin_obj_t *pin, uint32_t mode, bool hard_irq, mp_obj_t callback_obj);
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void extint_enable(uint line);
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void extint_disable(uint line);
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void extint_swint(uint line);
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void Handle_EXTI_Irq(uint32_t line);
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extern const mp_obj_type_t extint_type;
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