mirror of https://github.com/ARMmbed/mbed-os.git
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2016-2020 STMicroelectronics
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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 "stm32l4xx_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 (7)
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#define EXTI_IRQ0_NUM_LINES 1
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#define EXTI_IRQ1_NUM_LINES 1
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#define EXTI_IRQ2_NUM_LINES 1
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#define EXTI_IRQ3_NUM_LINES 1
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#define EXTI_IRQ4_NUM_LINES 1
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#define EXTI_IRQ5_NUM_LINES 5
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#define EXTI_IRQ6_NUM_LINES 6
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// Max pins for one line (max with EXTI10_15)
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#define MAX_PIN_LINE (EXTI_IRQ6_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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