[Cryptech-Commits] [user/ln5/stm32-avalanche-noise] 03/07: Remove trailing whitespace and DOS line endings.
git at cryptech.is
git at cryptech.is
Mon Dec 16 21:22:33 UTC 2019
This is an automated email from the git hooks/post-receive script.
linus at nordberg.se pushed a commit to branch master
in repository user/ln5/stm32-avalanche-noise.
commit f6818cce54b99eecfc0d67437095d5adb955ee2c
Author: Fredrik Thulin <fredrik at thulin.net>
AuthorDate: Sun Jun 28 16:12:46 2015 +0200
Remove trailing whitespace and DOS line endings.
---
src/entropy/stm32f4xx_hal_msp.c | 194 +++++++++++++++++++-------------------
src/entropy/stm32f4xx_it.c | 6 +-
src/led-test/stm32f4xx_it.c | 6 +-
src/led-test/system_stm32f4xx.c | 56 +++++------
src/uart-test/stm32f4xx_hal_msp.c | 84 ++++++++---------
src/uart-test/stm32f4xx_it.c | 6 +-
src/uart-test/system_stm32f4xx.c | 56 +++++------
7 files changed, 204 insertions(+), 204 deletions(-)
diff --git a/src/entropy/stm32f4xx_hal_msp.c b/src/entropy/stm32f4xx_hal_msp.c
index cf59a07..fc27e04 100644
--- a/src/entropy/stm32f4xx_hal_msp.c
+++ b/src/entropy/stm32f4xx_hal_msp.c
@@ -1,97 +1,97 @@
-#include "stm_init.h"
-#include "stm32f4xx_hal.h"
-
-static void Error_Handler(void);
-extern void HAL_DMA_XferCpltCallback(DMA_HandleTypeDef *hdma);
-
-void HAL_TIM_IC_MspInit(TIM_HandleTypeDef* htim)
-{
- if (htim->Instance == TIM2) {
- /* Configure DMA input capturing.
- *
- * Amplified avalanche noise is present at pin PA1,
- * which has Alternate Function TIM2_CH2.
- *
- * TIM2_CH2 is DMA1 stream 6, channel 3 according to Table 28
- * (DMA1 request mapping) in the reference manual (RM0368).
- */
- __DMA1_CLK_ENABLE();
- __TIM2_CLK_ENABLE();
- __GPIOA_CLK_ENABLE();
-
- hdma_tim.Instance = DMA1_Stream6;
-
- hdma_tim.Init.Channel = DMA_CHANNEL_3;
- hdma_tim.Init.Direction = DMA_PERIPH_TO_MEMORY;
- hdma_tim.Init.PeriphInc = DMA_PINC_DISABLE;
- hdma_tim.Init.MemInc = DMA_MINC_ENABLE;
- hdma_tim.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
- hdma_tim.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
- hdma_tim.Init.Mode = DMA_NORMAL;
- hdma_tim.Init.Priority = DMA_PRIORITY_HIGH;
- hdma_tim.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
- hdma_tim.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
- hdma_tim.Init.MemBurst = DMA_MBURST_SINGLE;
- hdma_tim.Init.PeriphBurst = DMA_PBURST_SINGLE;
-
- /* Link hdma_tim to hdma[2] (channel3) */
- __HAL_LINKDMA(htim, hdma[TIM_DMA_ID_CC2], hdma_tim);
-
- /* Initialize TIMx DMA handle */
- if (HAL_DMA_Init(&hdma_tim) != HAL_OK) {
- Error_Handler();
- }
- }
-}
-
-void HAL_UART_MspInit(UART_HandleTypeDef* huart)
-{
- GPIO_InitTypeDef GPIO_InitStruct;
-
- if (huart->Instance == USART1) {
- /* Peripheral clock enable */
- __USART1_CLK_ENABLE();
-
- /**USART1 GPIO Configuration
- PA9 ------> USART1_TX
- PA10 ------> USART1_RX
- */
- GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_PULLUP;
- GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
- GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-
- /* NVIC for interrupt mode */
- HAL_NVIC_SetPriority(USART1_IRQn, 0, 1);
- HAL_NVIC_EnableIRQ(USART1_IRQn);
- }
-}
-
-void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
-{
- if (huart->Instance == USART1) {
- /* Peripheral clock disable */
- __USART1_CLK_DISABLE();
-
- /**USART1 GPIO Configuration
- PA9 ------> USART1_TX
- PA10 ------> USART1_RX
- */
- HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9 | GPIO_PIN_10);
- }
-}
-
-/**
- * @brief This function is executed in case of error occurrence.
- * @param None
- * @retval None
- */
-static void Error_Handler(void)
-{
- /* Turn on RED LED and then loop indefinitely */
- HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_SET);
-
- while (1) { ; }
-}
+#include "stm_init.h"
+#include "stm32f4xx_hal.h"
+
+static void Error_Handler(void);
+extern void HAL_DMA_XferCpltCallback(DMA_HandleTypeDef *hdma);
+
+void HAL_TIM_IC_MspInit(TIM_HandleTypeDef* htim)
+{
+ if (htim->Instance == TIM2) {
+ /* Configure DMA input capturing.
+ *
+ * Amplified avalanche noise is present at pin PA1,
+ * which has Alternate Function TIM2_CH2.
+ *
+ * TIM2_CH2 is DMA1 stream 6, channel 3 according to Table 28
+ * (DMA1 request mapping) in the reference manual (RM0368).
+ */
+ __DMA1_CLK_ENABLE();
+ __TIM2_CLK_ENABLE();
+ __GPIOA_CLK_ENABLE();
+
+ hdma_tim.Instance = DMA1_Stream6;
+
+ hdma_tim.Init.Channel = DMA_CHANNEL_3;
+ hdma_tim.Init.Direction = DMA_PERIPH_TO_MEMORY;
+ hdma_tim.Init.PeriphInc = DMA_PINC_DISABLE;
+ hdma_tim.Init.MemInc = DMA_MINC_ENABLE;
+ hdma_tim.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
+ hdma_tim.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
+ hdma_tim.Init.Mode = DMA_NORMAL;
+ hdma_tim.Init.Priority = DMA_PRIORITY_HIGH;
+ hdma_tim.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
+ hdma_tim.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
+ hdma_tim.Init.MemBurst = DMA_MBURST_SINGLE;
+ hdma_tim.Init.PeriphBurst = DMA_PBURST_SINGLE;
+
+ /* Link hdma_tim to hdma[2] (channel3) */
+ __HAL_LINKDMA(htim, hdma[TIM_DMA_ID_CC2], hdma_tim);
+
+ /* Initialize TIMx DMA handle */
+ if (HAL_DMA_Init(&hdma_tim) != HAL_OK) {
+ Error_Handler();
+ }
+ }
+}
+
+void HAL_UART_MspInit(UART_HandleTypeDef* huart)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (huart->Instance == USART1) {
+ /* Peripheral clock enable */
+ __USART1_CLK_ENABLE();
+
+ /**USART1 GPIO Configuration
+ PA9 ------> USART1_TX
+ PA10 ------> USART1_RX
+ */
+ GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
+ GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /* NVIC for interrupt mode */
+ HAL_NVIC_SetPriority(USART1_IRQn, 0, 1);
+ HAL_NVIC_EnableIRQ(USART1_IRQn);
+ }
+}
+
+void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
+{
+ if (huart->Instance == USART1) {
+ /* Peripheral clock disable */
+ __USART1_CLK_DISABLE();
+
+ /**USART1 GPIO Configuration
+ PA9 ------> USART1_TX
+ PA10 ------> USART1_RX
+ */
+ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9 | GPIO_PIN_10);
+ }
+}
+
+/**
+ * @brief This function is executed in case of error occurrence.
+ * @param None
+ * @retval None
+ */
+static void Error_Handler(void)
+{
+ /* Turn on RED LED and then loop indefinitely */
+ HAL_GPIO_WritePin(LED_PORT, LED_RED, GPIO_PIN_SET);
+
+ while (1) { ; }
+}
diff --git a/src/entropy/stm32f4xx_it.c b/src/entropy/stm32f4xx_it.c
index 17a7cf9..231b4fc 100644
--- a/src/entropy/stm32f4xx_it.c
+++ b/src/entropy/stm32f4xx_it.c
@@ -1,11 +1,11 @@
/**
******************************************************************************
- * @file GPIO/GPIO_IOToggle/Src/stm32f4xx_it.c
+ * @file GPIO/GPIO_IOToggle/Src/stm32f4xx_it.c
* @author MCD Application Team
* @version V1.0.1
* @date 26-February-2014
* @brief Main Interrupt Service Routines.
- * This file provides template for all exceptions handler and
+ * This file provides template for all exceptions handler and
* peripherals interrupt service routine.
******************************************************************************
* @attention
@@ -191,7 +191,7 @@ void DMA1_Stream6_IRQHandler(void)
/**
* @}
- */
+ */
/**
* @}
diff --git a/src/led-test/stm32f4xx_it.c b/src/led-test/stm32f4xx_it.c
index e387408..42d8713 100644
--- a/src/led-test/stm32f4xx_it.c
+++ b/src/led-test/stm32f4xx_it.c
@@ -1,11 +1,11 @@
/**
******************************************************************************
- * @file GPIO/GPIO_IOToggle/Src/stm32f4xx_it.c
+ * @file GPIO/GPIO_IOToggle/Src/stm32f4xx_it.c
* @author MCD Application Team
* @version V1.0.1
* @date 26-February-2014
* @brief Main Interrupt Service Routines.
- * This file provides template for all exceptions handler and
+ * This file provides template for all exceptions handler and
* peripherals interrupt service routine.
******************************************************************************
* @attention
@@ -180,7 +180,7 @@ void SysTick_Handler(void)
/**
* @}
- */
+ */
/**
* @}
diff --git a/src/led-test/system_stm32f4xx.c b/src/led-test/system_stm32f4xx.c
index 3068a90..35f79ba 100644
--- a/src/led-test/system_stm32f4xx.c
+++ b/src/led-test/system_stm32f4xx.c
@@ -6,16 +6,16 @@
* @date 26-February-2014
* @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File.
*
- * This file provides two functions and one global variable to be called from
+ * This file provides two functions and one global variable to be called from
* user application:
- * - SystemInit(): This function is called at startup just after reset and
+ * - SystemInit(): This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the "startup_stm32f4xx.s" file.
*
* - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
- * by the user application to setup the SysTick
+ * by the user application to setup the SysTick
* timer or configure other parameters.
- *
+ *
* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
* be called whenever the core clock is changed
* during program execution.
@@ -57,8 +57,8 @@
/** @addtogroup stm32f4xx_system
* @{
- */
-
+ */
+
/** @addtogroup STM32F4xx_System_Private_Includes
* @{
*/
@@ -86,7 +86,7 @@
/*!< Uncomment the following line if you need to relocate your vector Table in
Internal SRAM. */
/* #define VECT_TAB_SRAM */
-#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field.
+#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
/******************************************************************************/
@@ -108,7 +108,7 @@
/* This variable is updated in three ways:
1) by calling CMSIS function SystemCoreClockUpdate()
2) by calling HAL API function HAL_RCC_GetHCLKFreq()
- 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
+ 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
Note: If you use this function to configure the system clock; then there
is no need to call the 2 first functions listed above, since SystemCoreClock
variable is updated automatically.
@@ -134,7 +134,7 @@
/**
* @brief Setup the microcontroller system
- * Initialize the FPU setting, vector table location and External memory
+ * Initialize the FPU setting, vector table location and External memory
* configuration.
* @param None
* @retval None
@@ -177,41 +177,41 @@ void SystemInit(void)
* The SystemCoreClock variable contains the core clock (HCLK), it can
* be used by the user application to setup the SysTick timer or configure
* other parameters.
- *
+ *
* @note Each time the core clock (HCLK) changes, this function must be called
* to update SystemCoreClock variable value. Otherwise, any configuration
- * based on this variable will be incorrect.
- *
- * @note - The system frequency computed by this function is not the real
- * frequency in the chip. It is calculated based on the predefined
+ * based on this variable will be incorrect.
+ *
+ * @note - The system frequency computed by this function is not the real
+ * frequency in the chip. It is calculated based on the predefined
* constant and the selected clock source:
- *
+ *
* - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*)
- *
+ *
* - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**)
- *
- * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
+ *
+ * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
* or HSI_VALUE(*) multiplied/divided by the PLL factors.
- *
+ *
* (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
* 16 MHz) but the real value may vary depending on the variations
- * in voltage and temperature.
- *
+ * in voltage and temperature.
+ *
* (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (its value
* depends on the application requirements), user has to ensure that HSE_VALUE
* is same as the real frequency of the crystal used. Otherwise, this function
* may have wrong result.
- *
+ *
* - The result of this function could be not correct when using fractional
* value for HSE crystal.
- *
+ *
* @param None
* @retval None
*/
void SystemCoreClockUpdate(void)
{
uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2;
-
+
/* Get SYSCLK source -------------------------------------------------------*/
tmp = RCC->CFGR & RCC_CFGR_SWS;
@@ -227,10 +227,10 @@ void SystemCoreClockUpdate(void)
/* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N
SYSCLK = PLL_VCO / PLL_P
- */
+ */
pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22;
pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
-
+
if (pllsource != 0)
{
/* HSE used as PLL clock source */
@@ -263,8 +263,8 @@ void SystemCoreClockUpdate(void)
/**
* @}
*/
-
+
/**
* @}
- */
+ */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/src/uart-test/stm32f4xx_hal_msp.c b/src/uart-test/stm32f4xx_hal_msp.c
index 2b1da7e..7cee9ce 100644
--- a/src/uart-test/stm32f4xx_hal_msp.c
+++ b/src/uart-test/stm32f4xx_hal_msp.c
@@ -1,42 +1,42 @@
-/*
- * Init/de-init USART1.
- *
- * Pins used:
- *
- * PA9: USART1_TX
- * PA10: USART1_RX
- */
-
-#include "stm32f4xx_hal.h"
-
-
-void HAL_UART_MspInit(UART_HandleTypeDef* huart)
-{
- GPIO_InitTypeDef GPIO_InitStruct;
-
- if (huart->Instance == USART1) {
- /* Peripheral clock enable */
- __USART1_CLK_ENABLE();
- GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_PULLUP;
- GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
- GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
-
- /* NVIC for interrupt mode */
- HAL_NVIC_SetPriority(USART1_IRQn, 0, 1);
- HAL_NVIC_EnableIRQ(USART1_IRQn);
- }
-
-}
-
-void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
-{
-
- if (huart->Instance == USART1) {
- __USART1_CLK_DISABLE();
- HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9 | GPIO_PIN_10);
- }
-
-}
+/*
+ * Init/de-init USART1.
+ *
+ * Pins used:
+ *
+ * PA9: USART1_TX
+ * PA10: USART1_RX
+ */
+
+#include "stm32f4xx_hal.h"
+
+
+void HAL_UART_MspInit(UART_HandleTypeDef* huart)
+{
+ GPIO_InitTypeDef GPIO_InitStruct;
+
+ if (huart->Instance == USART1) {
+ /* Peripheral clock enable */
+ __USART1_CLK_ENABLE();
+ GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
+ GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /* NVIC for interrupt mode */
+ HAL_NVIC_SetPriority(USART1_IRQn, 0, 1);
+ HAL_NVIC_EnableIRQ(USART1_IRQn);
+ }
+
+}
+
+void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
+{
+
+ if (huart->Instance == USART1) {
+ __USART1_CLK_DISABLE();
+ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9 | GPIO_PIN_10);
+ }
+
+}
diff --git a/src/uart-test/stm32f4xx_it.c b/src/uart-test/stm32f4xx_it.c
index 4dcf0e9..4e5bd89 100644
--- a/src/uart-test/stm32f4xx_it.c
+++ b/src/uart-test/stm32f4xx_it.c
@@ -1,11 +1,11 @@
/**
******************************************************************************
- * @file GPIO/GPIO_IOToggle/Src/stm32f4xx_it.c
+ * @file GPIO/GPIO_IOToggle/Src/stm32f4xx_it.c
* @author MCD Application Team
* @version V1.0.1
* @date 26-February-2014
* @brief Main Interrupt Service Routines.
- * This file provides template for all exceptions handler and
+ * This file provides template for all exceptions handler and
* peripherals interrupt service routine.
******************************************************************************
* @attention
@@ -192,7 +192,7 @@ void USART1_IRQHandler(void)
/**
* @}
- */
+ */
/**
* @}
diff --git a/src/uart-test/system_stm32f4xx.c b/src/uart-test/system_stm32f4xx.c
index 3068a90..35f79ba 100644
--- a/src/uart-test/system_stm32f4xx.c
+++ b/src/uart-test/system_stm32f4xx.c
@@ -6,16 +6,16 @@
* @date 26-February-2014
* @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File.
*
- * This file provides two functions and one global variable to be called from
+ * This file provides two functions and one global variable to be called from
* user application:
- * - SystemInit(): This function is called at startup just after reset and
+ * - SystemInit(): This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the "startup_stm32f4xx.s" file.
*
* - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
- * by the user application to setup the SysTick
+ * by the user application to setup the SysTick
* timer or configure other parameters.
- *
+ *
* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
* be called whenever the core clock is changed
* during program execution.
@@ -57,8 +57,8 @@
/** @addtogroup stm32f4xx_system
* @{
- */
-
+ */
+
/** @addtogroup STM32F4xx_System_Private_Includes
* @{
*/
@@ -86,7 +86,7 @@
/*!< Uncomment the following line if you need to relocate your vector Table in
Internal SRAM. */
/* #define VECT_TAB_SRAM */
-#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field.
+#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
/******************************************************************************/
@@ -108,7 +108,7 @@
/* This variable is updated in three ways:
1) by calling CMSIS function SystemCoreClockUpdate()
2) by calling HAL API function HAL_RCC_GetHCLKFreq()
- 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
+ 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
Note: If you use this function to configure the system clock; then there
is no need to call the 2 first functions listed above, since SystemCoreClock
variable is updated automatically.
@@ -134,7 +134,7 @@
/**
* @brief Setup the microcontroller system
- * Initialize the FPU setting, vector table location and External memory
+ * Initialize the FPU setting, vector table location and External memory
* configuration.
* @param None
* @retval None
@@ -177,41 +177,41 @@ void SystemInit(void)
* The SystemCoreClock variable contains the core clock (HCLK), it can
* be used by the user application to setup the SysTick timer or configure
* other parameters.
- *
+ *
* @note Each time the core clock (HCLK) changes, this function must be called
* to update SystemCoreClock variable value. Otherwise, any configuration
- * based on this variable will be incorrect.
- *
- * @note - The system frequency computed by this function is not the real
- * frequency in the chip. It is calculated based on the predefined
+ * based on this variable will be incorrect.
+ *
+ * @note - The system frequency computed by this function is not the real
+ * frequency in the chip. It is calculated based on the predefined
* constant and the selected clock source:
- *
+ *
* - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*)
- *
+ *
* - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**)
- *
- * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
+ *
+ * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
* or HSI_VALUE(*) multiplied/divided by the PLL factors.
- *
+ *
* (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
* 16 MHz) but the real value may vary depending on the variations
- * in voltage and temperature.
- *
+ * in voltage and temperature.
+ *
* (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (its value
* depends on the application requirements), user has to ensure that HSE_VALUE
* is same as the real frequency of the crystal used. Otherwise, this function
* may have wrong result.
- *
+ *
* - The result of this function could be not correct when using fractional
* value for HSE crystal.
- *
+ *
* @param None
* @retval None
*/
void SystemCoreClockUpdate(void)
{
uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2;
-
+
/* Get SYSCLK source -------------------------------------------------------*/
tmp = RCC->CFGR & RCC_CFGR_SWS;
@@ -227,10 +227,10 @@ void SystemCoreClockUpdate(void)
/* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N
SYSCLK = PLL_VCO / PLL_P
- */
+ */
pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22;
pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
-
+
if (pllsource != 0)
{
/* HSE used as PLL clock source */
@@ -263,8 +263,8 @@ void SystemCoreClockUpdate(void)
/**
* @}
*/
-
+
/**
* @}
- */
+ */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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