mirror of https://github.com/ARMmbed/mbed-os.git
64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2017, STMicroelectronics
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************
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*/
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#ifndef MBED_GPIO_IRQ_DEVICE_H
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#define MBED_GPIO_IRQ_DEVICE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "stm32l0xx_ll_exti.h"
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// Number of EXTI irq vectors (EXTI0, EXTI1, EXTI2, EXTI3, EXTI4, EXTI5_9, EXTI10_15)
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#define CHANNEL_NUM (3)
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#define EXTI_IRQ0_NUM_LINES 2
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#define EXTI_IRQ1_NUM_LINES 2
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#define EXTI_IRQ2_NUM_LINES 12
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// Max pins for one line (max with EXTI10_15)
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#define MAX_PIN_LINE (EXTI_IRQ2_NUM_LINES)
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/* Structure to describe how the HW EXTI lines are defined in this HW */
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typedef struct exti_lines {
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uint32_t gpio_idx; // an index entry for each EXIT line
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uint32_t irq_index; // the IRQ index
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IRQn_Type irq_n; // the corresponding EXTI IRQn
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} exti_lines_t;
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// Used to return the index for channels array.
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extern const exti_lines_t pin_lines_desc[];
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#ifdef __cplusplus
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}
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#endif
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#endif
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