Import Mbed OS hard-float snapshot

targets/TARGET_STM/TARGET_STM32G4/gpio_irq_device.h

@@ -0,0 +1,52 @@
+/* mbed Microcontroller Library
+ * SPDX-License-Identifier: BSD-3-Clause
+ ******************************************************************************
+ *
+ * Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ *                        opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+#ifndef MBED_GPIO_IRQ_DEVICE_H
+#define MBED_GPIO_IRQ_DEVICE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "stm32g4xx_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