1 files changed, 36 insertions, 36 deletions

diff --git a/libcpu/arm/lpc24xx/interrupt.c b/libcpu/arm/lpc24xx/interrupt.c
index a855de1e11..87bb86b879 100644
--- a/libcpu/arm/lpc24xx/interrupt.c
+++ b/libcpu/arm/lpc24xx/interrupt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -13,10 +13,10 @@
 #include <rthw.h>
 #include "LPC24xx.h"
 
-#define MAX_HANDLERS	32
+#define MAX_HANDLERS    32
 
 /* exception and interrupt handler table */
-struct rt_irq_desc irq_desc[MAX_HANDLERS]; 
+struct rt_irq_desc irq_desc[MAX_HANDLERS];
 
 extern rt_uint32_t rt_interrupt_nest;
 
@@ -30,19 +30,19 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
 /*@{*/
 void rt_hw_interrupt_handler(int vector, void *param)
 {
-	rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
+    rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
 }
 
 void rt_hw_interrupt_init(void)
 {
-	register int i;
+    register int i;
 
-	rt_uint32_t *vect_addr, *vect_cntl;
-    
-	/* initialize VIC*/
-	VICIntEnClr = 0xffffffff;
-	VICVectAddr = 0;
-	VICIntSelect = 0;
+    rt_uint32_t *vect_addr, *vect_cntl;
+
+    /* initialize VIC*/
+    VICIntEnClr = 0xffffffff;
+    VICVectAddr = 0;
+    VICIntSelect = 0;
 
     /* init exceptions table */
     rt_memset(irq_desc, 0x00, sizeof(irq_desc));
@@ -50,27 +50,27 @@ void rt_hw_interrupt_init(void)
     {
         irq_desc[i].handler = rt_hw_interrupt_handler;
 
-		vect_addr  = (rt_uint32_t *)(VIC_BASE_ADDR + 0x100 + i*4);
-		vect_cntl  = (rt_uint32_t *)(VIC_BASE_ADDR + 0x200 + i*4);
-		*vect_addr = (rt_uint32_t)&irq_desc[i];	
-		*vect_cntl = 0xF;
+        vect_addr  = (rt_uint32_t *)(VIC_BASE_ADDR + 0x100 + i*4);
+        vect_cntl  = (rt_uint32_t *)(VIC_BASE_ADDR + 0x200 + i*4);
+        *vect_addr = (rt_uint32_t)&irq_desc[i];
+        *vect_cntl = 0xF;
     }
-	
-	/* init interrupt nest, and context in thread sp */
-	rt_interrupt_nest = 0;
-	rt_interrupt_from_thread = 0;
-	rt_interrupt_to_thread = 0;
-	rt_thread_switch_interrupt_flag = 0;
+
+    /* init interrupt nest, and context in thread sp */
+    rt_interrupt_nest = 0;
+    rt_interrupt_from_thread = 0;
+    rt_interrupt_to_thread = 0;
+    rt_thread_switch_interrupt_flag = 0;
 }
 
 void rt_hw_interrupt_mask(int vector)
 {
-	VICIntEnClr = (1 << vector);
+    VICIntEnClr = (1 << vector);
 }
 
 void rt_hw_interrupt_umask(int vector)
 {
-	VICIntEnable = (1 << vector);
+    VICIntEnable = (1 << vector);
 }
 
 /**
@@ -82,22 +82,22 @@ void rt_hw_interrupt_umask(int vector)
  *
  * @return the old handler
  */
-rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, 
-									void *param, const char *name)
+rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
+                                    void *param, const char *name)
 {
-	rt_isr_handler_t old_handler = RT_NULL;
+    rt_isr_handler_t old_handler = RT_NULL;
 
-	if(vector >= 0 && vector < MAX_HANDLERS)
-	{
-		old_handler = irq_desc[vector].handler;
-		if (handler != RT_NULL)
-		{
-			irq_desc[vector].handler = handler;
-			irq_desc[vector].param = param;
-		}
-	}
+    if(vector >= 0 && vector < MAX_HANDLERS)
+    {
+        old_handler = irq_desc[vector].handler;
+        if (handler != RT_NULL)
+        {
+            irq_desc[vector].handler = handler;
+            irq_desc[vector].param = param;
+        }
+    }
 
-	return old_handler;
+    return old_handler;
 }
 
 /*@}*/