Diff: targets/TARGET_STM/TARGET_STM32F0/gpio_irq_device.h

Revision:

160:d5399cc887bb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F0/gpio_irq_device.h	Tue Mar 14 16:40:56 2017 +0000
@@ -0,0 +1,62 @@
+/* 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 "stm32f0xx_ll_exti.h"
+
+// Number of EXTI irq vectors (EXTI0_1, EXTI2_3, EXTI4_15)
+#define CHANNEL_NUM (3)
+
+#define EXTI_IRQ0_NUM_LINES 2
+#define EXTI_IRQ1_NUM_LINES 2
+#define EXTI_IRQ2_NUM_LINES 12
+// Max pins for one line (max with EXTI4_15)
+#define MAX_PIN_LINE (EXTI_IRQ2_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