4 files changed, 27 insertions, 27 deletions

diff --git a/bsp/nuvoton_m451/drivers/board.c b/bsp/nuvoton_m451/drivers/board.c
index 39dbd04c62..9ab8d97b27 100644
--- a/bsp/nuvoton_m451/drivers/board.c
+++ b/bsp/nuvoton_m451/drivers/board.c
@@ -38,11 +38,11 @@ void NVIC_Configuration(void)
 */
 static void delay(__IO uint32_t nCount)
 {
-	/* Decrement nCount value */
-	while (nCount != 0)
-	{
-		nCount--;
-	}
+    /* Decrement nCount value */
+    while (nCount != 0)
+    {
+        nCount--;
+    }
 }
 
 static void rt_hw_system_init(void)
@@ -52,7 +52,7 @@ static void rt_hw_system_init(void)
     /*---------------------------------------------------------------------------------------------------------*/
     /* Unlock protected registers */
     SYS_UnlockReg();
-    
+
     /* Enable HIRC clock (Internal RC 22.1184MHz) */
     CLK_EnableXtalRC(CLK_PWRCTL_HIRCEN_Msk);
 
@@ -73,7 +73,7 @@ static void rt_hw_system_init(void)
 
     /* Set SysTick clock source to HCLK source divide 2 */
     CLK_SetSysTickClockSrc(CLK_CLKSEL0_STCLKSEL_HCLK_DIV2);
-    
+
     /* Lock protected registers */
     SYS_LockReg();
 }
@@ -84,34 +84,34 @@ static void rt_hw_system_init(void)
  */
 void SysTick_Handler(void)
 {
-	/* enter interrupt */
-	rt_interrupt_enter();
+    /* enter interrupt */
+    rt_interrupt_enter();
 
-	rt_tick_increase();
+    rt_tick_increase();
 
-	/* leave interrupt */
-	rt_interrupt_leave();
+    /* leave interrupt */
+    rt_interrupt_leave();
 }
 /**
  * This function will initial Nuvoton board.
  */
 void rt_hw_board_init()
 {
-	/* NVIC Configuration */
-	NVIC_Configuration();
+    /* NVIC Configuration */
+    NVIC_Configuration();
 
     /* Configure the system clock */
     rt_hw_system_init();
-	/* Configure the SysTick */
-	SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
+    /* Configure the SysTick */
+    SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
 
-	/* Initial usart deriver, and set console device */
-	rt_hw_usart_init();
+    /* Initial usart deriver, and set console device */
+    rt_hw_usart_init();
 #ifdef RT_USING_CONSOLE
-	rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
+    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
 #endif
 
-	/* Call components board initial (use INIT_BOARD_EXPORT()) */
+    /* Call components board initial (use INIT_BOARD_EXPORT()) */
 #ifdef RT_USING_COMPONENTS_INIT
     rt_components_board_init();
 #endif
diff --git a/bsp/nuvoton_m451/drivers/board.h b/bsp/nuvoton_m451/drivers/board.h
index 3aba14d32e..93588253c0 100644
--- a/bsp/nuvoton_m451/drivers/board.h
+++ b/bsp/nuvoton_m451/drivers/board.h
@@ -18,7 +18,7 @@
 
 /* board configuration */
 // <o> Internal SRAM memory size[Kbytes]
-//	<i>Default: 64
+//  <i>Default: 64
 #define M451_SRAM_SIZE         32
 #define M451_SRAM_END          (0x20000000 + M451_SRAM_SIZE * 1024)
 
diff --git a/bsp/nuvoton_m451/drivers/led.h b/bsp/nuvoton_m451/drivers/led.h
index e4c1eb7ce9..730e82c0c6 100644
--- a/bsp/nuvoton_m451/drivers/led.h
+++ b/bsp/nuvoton_m451/drivers/led.h
@@ -15,7 +15,7 @@
 #include <rtthread.h>
 #include "M451Series.h"
 
-void rt_hw_led_on(void); 
+void rt_hw_led_on(void);
 void rt_hw_led_off(void);
 int rt_hw_led_init(void);
 
diff --git a/bsp/nuvoton_m451/drivers/usart.c b/bsp/nuvoton_m451/drivers/usart.c
index 1ee0ded403..e0644a4828 100644
--- a/bsp/nuvoton_m451/drivers/usart.c
+++ b/bsp/nuvoton_m451/drivers/usart.c
@@ -20,20 +20,20 @@ static rt_err_t m451_configure(struct rt_serial_device *serial, struct serial_co
     if (uart == UART0) {
         /* Enable UART module clock */
         CLK_EnableModuleClock(UART0_MODULE);
-        
+
         /* Select UART module clock source as HXT and UART module clock divider as 1 */
         CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UARTSEL_HXT, CLK_CLKDIV0_UART(1));
-        
+
         /* Set PD multi-function pins for UART0 RXD(PD.0) and TXD(PD.1) */
         SYS->GPD_MFPL &= ~(SYS_GPD_MFPL_PD0MFP_Msk | SYS_GPD_MFPL_PD1MFP_Msk);
         SYS->GPD_MFPL |= (SYS_GPD_MFPL_PD0MFP_UART0_RXD | SYS_GPD_MFPL_PD1MFP_UART0_TXD);
-        
+
         /* Reset UART module */
         SYS_ResetModule(UART0_RST);
-        
+
         /* Configure UART0 and set UART0 Baudrate */
         UART_Open(UART0, cfg->baud_rate);
-        
+
         /* Enable Interrupt */
         UART_EnableInt(UART0, UART_INTEN_RDAIEN_Msk);
     }