Merge branch 'master' into developer

5 files changed, 73 insertions, 73 deletions

diff --git a/bsp/at32/at32f403a-start/applications/main.c b/bsp/at32/at32f403a-start/applications/main.c
index cb63824e27..0234d32b04 100644
--- a/bsp/at32/at32f403a-start/applications/main.c
+++ b/bsp/at32/at32f403a-start/applications/main.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
  *
diff --git a/bsp/at32/at32f403a-start/board/board.c b/bsp/at32/at32f403a-start/board/board.c
index 4ce5bb3909..27b672b4da 100644
--- a/bsp/at32/at32f403a-start/board/board.c
+++ b/bsp/at32/at32f403a-start/board/board.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
  *
@@ -7,7 +7,7 @@
  * Date           Author       Notes
  * 2018-11-06     balanceTWK   first version
  */
- 
+
 #include <stdint.h>
 #include <rthw.h>
 #include <rtthread.h>
diff --git a/bsp/at32/at32f403a-start/board/board.h b/bsp/at32/at32f403a-start/board/board.h
index 976863d3eb..1f2a4f3f3c 100644
--- a/bsp/at32/at32f403a-start/board/board.h
+++ b/bsp/at32/at32f403a-start/board/board.h
@@ -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
  *
diff --git a/bsp/at32/at32f403a-start/board/msp/at32_msp.c b/bsp/at32/at32f403a-start/board/msp/at32_msp.c
index 76a5d42313..58b18fc026 100644
--- a/bsp/at32/at32f403a-start/board/msp/at32_msp.c
+++ b/bsp/at32/at32f403a-start/board/msp/at32_msp.c
@@ -184,34 +184,34 @@ void at32_msp_adc_init(void *Instance)
     GPIO_InitType GPIO_InitStruct;
     ADC_Type *ADCx = (ADC_Type *)Instance;
 
-#ifdef BSP_USING_ADC1  
+#ifdef BSP_USING_ADC1
     if(ADCx == ADC1)
-    {   
+    {
         /* ADC1 & GPIO clock enable */
         RCC_APB2PeriphClockCmd(RCC_APB2PERIPH_ADC1 | RCC_APB2PERIPH_GPIOA | RCC_APB2PERIPH_GPIOB | RCC_APB2PERIPH_GPIOC,ENABLE);
-		
-        /* Configure ADC Channel as analog input */      
+
+        /* Configure ADC Channel as analog input */
         GPIO_StructInit(&GPIO_InitStruct);
         GPIO_InitStruct.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_2 | GPIO_Pins_3 | GPIO_Pins_4 | GPIO_Pins_5;
         GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_ANALOG;
         GPIO_Init(GPIOC, &GPIO_InitStruct);
-        
+
     }
 #endif
 
-#ifdef BSP_USING_ADC2  
+#ifdef BSP_USING_ADC2
     if(ADCx == ADC2)
     {
         /* ADC2 & GPIO clock enable */
         RCC_APB2PeriphClockCmd(RCC_APB2PERIPH_ADC2 | RCC_APB2PERIPH_GPIOA | RCC_APB2PERIPH_GPIOB | RCC_APB2PERIPH_GPIOC,ENABLE);
-      
-        /* Configure ADC Channel as analog input */      
+
+        /* Configure ADC Channel as analog input */
         GPIO_StructInit(&GPIO_InitStruct);
         GPIO_InitStruct.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_2 | GPIO_Pins_3 | GPIO_Pins_4 | GPIO_Pins_5;
         GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_ANALOG;
         GPIO_Init(GPIOC, &GPIO_InitStruct);
     }
-#endif     
+#endif
 }
 #endif /* BSP_USING_ADC */
 
@@ -226,7 +226,7 @@ void at32_msp_hwtmr_init(void *Instance)
         /* TMR3 clock enable */
         RCC_APB1PeriphClockCmd(RCC_APB1PERIPH_TMR3, ENABLE);
     }
-#endif 
+#endif
 
 #ifdef BSP_USING_HWTMR4
     if(TMRx == TMR4)
diff --git a/bsp/at32/at32f403a-start/board/msp/system_at32f4xx.c b/bsp/at32/at32f403a-start/board/msp/system_at32f4xx.c
index af88cd0a83..3635bda3de 100644
--- a/bsp/at32/at32f403a-start/board/msp/system_at32f4xx.c
+++ b/bsp/at32/at32f403a-start/board/msp/system_at32f4xx.c
@@ -57,23 +57,23 @@
 
       Clock (MHz)
           PLL from HSE or HSI
-          SYSCLK	    HCLK	PCLK2	PCLK1
-          24	        24	    24	    24
-          36	        36	    36	    36
-          48	        48	    48	    24
-          56	        56	    56	    28
-          72	        72	    72	    36
-          96	        96	    48	    48
-          108	        108	    54	    54
-          120	        120	    60	    60
-          144	        144	    72	    72
-          150	        150	    75	    75
-          168	        168	    84	    84
-          176	        176	    88	    88
-          192	        192	    96	    96
-          200	        200	    100	    100
-          224	        224	    112	    112
-          240	        240	    120	    120
+          SYSCLK        HCLK    PCLK2   PCLK1
+          24            24      24      24
+          36            36      36      36
+          48            48      48      24
+          56            56      56      28
+          72            72      72      36
+          96            96      48      48
+          108           108     54      54
+          120           120     60      60
+          144           144     72      72
+          150           150     75      75
+          168           168     84      84
+          176           176     88      88
+          192           192     96      96
+          200           200     100     100
+          224           224     112     112
+          240           240     120     120
     */
 
 #if defined (AT32F403xx) || defined (AT32F413xx) || \
@@ -132,7 +132,7 @@
 /*!< Uncomment the following line if you need to relocate your vector Table in
      Internal SRAM. */
 /* #define VECT_TAB_SRAM */
-#define VECT_TAB_OFFSET  0x0 /*!< Vector Table base offset field. 
+#define VECT_TAB_OFFSET  0x0 /*!< Vector Table base offset field.
 This value must be a multiple of 0x200. */
 
 
@@ -562,7 +562,7 @@ static void SetSysClock(void)
 /**
   * @brief  Setup the external memory controller.
   *         Called in startup_at32f4xx_xx.s/.c before jump to main.
-  * 	      This function configures the external SRAM mounted
+  *           This function configures the external SRAM mounted
   *         (AT32 High density devices). This SRAM will be used as program
   *         data memory (including heap and stack).
   * @param  None
@@ -643,7 +643,7 @@ static void SetSysClockToHSE(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -663,7 +663,7 @@ static void SetSysClockToHSE(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -714,7 +714,7 @@ static void SetSysClockTo24M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -734,7 +734,7 @@ static void SetSysClockTo24M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -800,7 +800,7 @@ static void SetSysClockTo36M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -820,7 +820,7 @@ static void SetSysClockTo36M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -886,7 +886,7 @@ static void SetSysClockTo48M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -906,7 +906,7 @@ static void SetSysClockTo48M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -973,7 +973,7 @@ static void SetSysClockTo56M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -993,7 +993,7 @@ static void SetSysClockTo56M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -1060,7 +1060,7 @@ static void SetSysClockTo72M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1080,7 +1080,7 @@ static void SetSysClockTo72M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -1147,7 +1147,7 @@ static void SetSysClockTo96M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1167,7 +1167,7 @@ static void SetSysClockTo96M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -1238,7 +1238,7 @@ static void SetSysClockTo108M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1258,7 +1258,7 @@ static void SetSysClockTo108M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_3;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_3;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -1330,7 +1330,7 @@ static void SetSysClockTo120M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1350,7 +1350,7 @@ static void SetSysClockTo120M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_3;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_3;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -1429,7 +1429,7 @@ static void SetSysClockTo144M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1449,7 +1449,7 @@ static void SetSysClockTo144M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_4;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_4;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -1464,7 +1464,7 @@ static void SetSysClockTo144M(void)
 
     /*  PLL configuration: PLLCLK = HSE * 18 = 144 MHz */
     RCC->CFG &= RCC_CFG_PLLCFG_MASK;
-    
+
 #if defined (AT32F415xx)
     RCC->CFG |= (uint32_t)(RCC_CFG_PLLRC_HSE | RCC_CFG_PLLMULT18);
 #else
@@ -1528,7 +1528,7 @@ static void SetSysClockTo150M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1548,7 +1548,7 @@ static void SetSysClockTo150M(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_4;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_4;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -1623,7 +1623,7 @@ static void SetSysClockTo168M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1709,7 +1709,7 @@ static void SetSysClockTo176M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1795,7 +1795,7 @@ static void SetSysClockTo192M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1881,7 +1881,7 @@ static void SetSysClockTo200M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -1967,7 +1967,7 @@ static void SetSysClockTo224M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -2053,7 +2053,7 @@ static void SetSysClockTo240M(void)
     StartUpCounter++;
   }
   while((HSEStatus == 0) && (StartUpCounter != HSE_STARTUP_TIMEOUT));
-#ifdef AT32F403xx 
+#ifdef AT32F403xx
   WaitHseStbl(HSE_STABLE_DELAY);
 #endif
   if ((RCC->CTRL & RCC_CTRL_HSESTBL) != RESET)
@@ -2157,7 +2157,7 @@ static void SetSysClockTo24MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_0;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2237,7 +2237,7 @@ static void SetSysClockTo36MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2317,7 +2317,7 @@ static void SetSysClockTo48MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2397,7 +2397,7 @@ static void SetSysClockTo56MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_1;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2477,7 +2477,7 @@ static void SetSysClockTo72MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2557,7 +2557,7 @@ static void SetSysClockTo96MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_2;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2642,7 +2642,7 @@ static void SetSysClockTo108MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_3;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_3;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2727,7 +2727,7 @@ static void SetSysClockTo120MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_3;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_3;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2819,7 +2819,7 @@ static void SetSysClockTo144MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_4;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_4;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -2911,7 +2911,7 @@ static void SetSysClockTo150MHSI(void)
 
     /* Flash 1 wait state */
     FLASH->ACR &= (uint32_t)((uint32_t)~FLASH_ACR_LATENCY);
-    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_4;    
+    FLASH->ACR |= (uint32_t)FLASH_ACR_LATENCY_4;
 #endif
     /* HCLK = SYSCLK */
     RCC->CFG |= (uint32_t)RCC_CFG_AHBPSC_DIV1;
@@ -3443,4 +3443,4 @@ static void SetSysClockTo240MHSI(void)
   * @}
   */
 
-/******************* (C) COPYRIGHT 2018 ArteryTek *****END OF FILE****/ 
+/******************* (C) COPYRIGHT 2018 ArteryTek *****END OF FILE****/