remain the old handler to keep forward compatibility

2 files changed, 11 insertions, 2 deletions

diff --git a/include/rthw.h b/include/rthw.h
index 808639c951..817b9f40f2 100644
--- a/include/rthw.h
+++ b/include/rthw.h
@@ -41,9 +41,10 @@ rt_uint8_t *rt_hw_stack_init(void       *entry,
 void rt_hw_interrupt_init(void);
 void rt_hw_interrupt_mask(int vector);
 void rt_hw_interrupt_umask(int vector);
-void rt_hw_interrupt_install(int               vector,
+rt_isr_handler_t rt_hw_interrupt_install(int vector,
                              rt_isr_handler_t  handler,
-                             void *param, char *name);
+                             void *param,
+                             char *name);
 void rt_hw_interrupt_handle(int vector);
 
 rt_base_t rt_hw_interrupt_disable(void);
diff --git a/include/rtthread.h b/include/rtthread.h
index 53111b8465..dbe48b492e 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -427,6 +427,14 @@ void rt_module_unload_sethook(void (*hook)(rt_module_t module));
  */
 typedef void (*rt_isr_handler_t)(int vector, void *param);
 
+struct rt_irq_desc {
+	char irq_name[RT_NAME_MAX];
+	rt_isr_handler_t isr_handle;
+	void *param;
+	rt_uint32_t interrupt_cnt;
+};
+
+
 /*
  * rt_interrupt_enter and rt_interrupt_leave only can be called by BSP
  */