mbed-os/targets/TARGET_STM/TARGET_STM32F3/gpio_irq_device.h

68 lines
2.7 KiB
C

/* mbed Microcontroller Library
*******************************************************************************
* Copyright (c) 2017, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************
*/
#ifndef MBED_GPIO_IRQ_DEVICE_H
#define MBED_GPIO_IRQ_DEVICE_H
#ifdef __cplusplus
extern "C" {
#endif
#include "stm32f3xx_ll_exti.h"
// Number of EXTI irq vectors (EXTI0, EXTI1, EXTI2, EXTI3, EXTI4, EXTI5_9, EXTI10_15)
#define CHANNEL_NUM (7)
#define EXTI_IRQ0_NUM_LINES 1
#define EXTI_IRQ1_NUM_LINES 1
#define EXTI_IRQ2_NUM_LINES 1
#define EXTI_IRQ3_NUM_LINES 1
#define EXTI_IRQ4_NUM_LINES 1
#define EXTI_IRQ5_NUM_LINES 5
#define EXTI_IRQ6_NUM_LINES 6
// Max pins for one line (max with EXTI10_15)
#define MAX_PIN_LINE (EXTI_IRQ6_NUM_LINES)
/* Structure to describe how the HW EXTI lines are defined in this HW */
typedef struct exti_lines {
uint32_t gpio_idx; // an index entry for each EXIT line
uint32_t irq_index; // the IRQ index
IRQn_Type irq_n; // the corresponding EXTI IRQn
} exti_lines_t;
// Used to return the index for channels array.
extern const exti_lines_t pin_lines_desc[];
#ifdef __cplusplus
}
#endif
#endif