1 files changed, 32 insertions, 0 deletions
diff --git a/include/kern/exti/exti_manager.h b/include/kern/exti/exti_manager.h
new file mode 100644
index 0000000..aa39b4f
--- /dev/null
+++ b/include/kern/exti/exti_manager.h
@@ -0,0 +1,32 @@
+#ifndef _KERN_EXTI_EXTI_MANAGER_H_
+#define _KERN_EXTI_EXTI_MANAGER_H_
+
+#include "kern/common.h"
+#include "kern/gpio/gpio_manager.h"
+#include "shared/linked_list.h"
+
+#define EXTI_ERROR_ALREADY_IN_USE 1
+
+struct EXTI_HANDLE;
+
+
+typedef struct {
+  void (*fn)(struct EXTI_HANDLE, void*);
+  void* closure;
+} exti_callback_t;
+
+LINKED_LIST_DECL(exti_callback_t);
+typedef struct EXTI_HANDLE {
+  uint8_t id;
+  linked_list_t(exti_callback_t)* callbacks;
+} exti_handle_t;
+
+exti_handle_t* enable_exti_for_gpio(gpio_pin_t gpio_pin, int* ec);
+
+exti_handle_t* exti_add_callback(exti_handle_t*, exti_callback_t* callback);
+
+gpio_pin_t exti_gpio_pin(exti_handle_t* handle);
+
+
+
+#endif /* _KERN_EXTI_EXTI_MANAGER_H_ */