0ef1717155
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49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* mbed Microcontroller Library
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* SPDX-License-Identifier: BSD-3-Clause
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******************************************************************************
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*
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* Copyright (c) 2015-2020 STMicroelectronics.
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* All rights reserved.
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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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 "stm32f0xx_ll_exti.h"
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// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_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 EXTI4_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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