1 files changed, 49 insertions, 0 deletions
diff --git a/ext/gpio_irq_api.h b/ext/gpio_irq_api.h
new file mode 100644
index 0000000..d7d6d15
--- /dev/null
+++ b/ext/gpio_irq_api.h
@@ -0,0 +1,49 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_GPIO_IRQ_API_H
+#define MBED_GPIO_IRQ_API_H
+
+#include "device.h"
+
+#if DEVICE_INTERRUPTIN
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    IRQ_NONE,
+    IRQ_RISE,
+    IRQ_FALL
+} gpio_irq_event;
+
+typedef struct gpio_irq_s gpio_irq_t;
+
+typedef void (*gpio_irq_handler)(uint32_t id, gpio_irq_event event);
+
+int  gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id);
+void gpio_irq_free(gpio_irq_t *obj);
+void gpio_irq_set (gpio_irq_t *obj, gpio_irq_event event, uint32_t enable);
+void gpio_irq_enable(gpio_irq_t *obj);
+void gpio_irq_disable(gpio_irq_t *obj);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif