Version updgrade
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0819402745
commit
fd66a83c45
99 changed files with 82936 additions and 79456 deletions
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@ -8,6 +8,17 @@
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* + Initialization and de-initialization functions
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* + IO operation functions
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*
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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@verbatim
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==============================================================================
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##### GPIO Peripheral features #####
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@ -88,17 +99,6 @@
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@endverbatim
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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@ -295,26 +295,6 @@ void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init)
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AFIO->EXTICR[position >> 2u] = temp;
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/* Configure the interrupt mask */
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if ((GPIO_Init->Mode & GPIO_MODE_IT) == GPIO_MODE_IT)
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{
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SET_BIT(EXTI->IMR, iocurrent);
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}
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else
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{
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CLEAR_BIT(EXTI->IMR, iocurrent);
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}
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/* Configure the event mask */
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if ((GPIO_Init->Mode & GPIO_MODE_EVT) == GPIO_MODE_EVT)
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{
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SET_BIT(EXTI->EMR, iocurrent);
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}
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else
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{
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CLEAR_BIT(EXTI->EMR, iocurrent);
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}
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/* Enable or disable the rising trigger */
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if ((GPIO_Init->Mode & RISING_EDGE) == RISING_EDGE)
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{
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@ -334,6 +314,26 @@ void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init)
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{
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CLEAR_BIT(EXTI->FTSR, iocurrent);
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}
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/* Configure the event mask */
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if ((GPIO_Init->Mode & GPIO_MODE_EVT) == GPIO_MODE_EVT)
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{
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SET_BIT(EXTI->EMR, iocurrent);
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}
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else
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{
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CLEAR_BIT(EXTI->EMR, iocurrent);
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}
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/* Configure the interrupt mask */
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if ((GPIO_Init->Mode & GPIO_MODE_IT) == GPIO_MODE_IT)
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{
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SET_BIT(EXTI->IMR, iocurrent);
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}
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else
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{
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CLEAR_BIT(EXTI->IMR, iocurrent);
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}
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}
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}
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@ -375,16 +375,16 @@ void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin)
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tmp &= 0x0FuL << (4u * (position & 0x03u));
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if (tmp == (GPIO_GET_INDEX(GPIOx) << (4u * (position & 0x03u))))
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{
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tmp = 0x0FuL << (4u * (position & 0x03u));
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CLEAR_BIT(AFIO->EXTICR[position >> 2u], tmp);
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/* Clear EXTI line configuration */
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CLEAR_BIT(EXTI->IMR, (uint32_t)iocurrent);
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CLEAR_BIT(EXTI->EMR, (uint32_t)iocurrent);
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/* Clear Rising Falling edge configuration */
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CLEAR_BIT(EXTI->RTSR, (uint32_t)iocurrent);
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CLEAR_BIT(EXTI->FTSR, (uint32_t)iocurrent);
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CLEAR_BIT(EXTI->RTSR, (uint32_t)iocurrent);
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tmp = 0x0FuL << (4u * (position & 0x03u));
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CLEAR_BIT(AFIO->EXTICR[position >> 2u], tmp);
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}
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/*------------------------- GPIO Mode Configuration --------------------*/
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/* Check if the current bit belongs to first half or last half of the pin count number
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@ -491,7 +491,7 @@ void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
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/* Check the parameters */
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assert_param(IS_GPIO_PIN(GPIO_Pin));
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/* get current Ouput Data Register value */
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/* get current Output Data Register value */
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odr = GPIOx->ODR;
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/* Set selected pins that were at low level, and reset ones that were high */
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@ -505,7 +505,7 @@ void HAL_GPIO_TogglePin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
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* the next reset.
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* @param GPIOx: where x can be (A..G depending on device used) to select the GPIO peripheral
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* @param GPIO_Pin: specifies the port bit to be locked.
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* This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
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* This parameter can be any combination of GPIO_PIN_x where x can be (0..15).
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* @retval None
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*/
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HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
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@ -584,4 +584,3 @@ __weak void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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@ -7,6 +7,17 @@
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* functionalities of the General Purpose Input/Output (GPIO) extension peripheral.
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* + Extended features functions
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*
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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@verbatim
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==============================================================================
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##### GPIO Peripheral extension features #####
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@ -23,17 +34,6 @@
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@endverbatim
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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@ -124,4 +124,3 @@ void HAL_GPIOEx_DisableEventout(void)
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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@ -1,215 +1,213 @@
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/**
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******************************************************************************
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* @file stm32f1xx_ll_exti.c
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* @author MCD Application Team
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* @brief EXTI LL module driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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#if defined(USE_FULL_LL_DRIVER)
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f1xx_ll_exti.h"
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#ifdef USE_FULL_ASSERT
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#include "stm32_assert.h"
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#else
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#define assert_param(expr) ((void)0U)
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#endif
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/** @addtogroup STM32F1xx_LL_Driver
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* @{
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*/
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#if defined (EXTI)
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/** @defgroup EXTI_LL EXTI
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* @{
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*/
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/* Private types -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private constants ---------------------------------------------------------*/
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup EXTI_LL_Private_Macros
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* @{
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*/
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#define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U)
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#define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \
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|| ((__VALUE__) == LL_EXTI_MODE_EVENT) \
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|| ((__VALUE__) == LL_EXTI_MODE_IT_EVENT))
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#define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \
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|| ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \
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|| ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \
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|| ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING))
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/**
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* @}
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*/
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/* Private function prototypes -----------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup EXTI_LL_Exported_Functions
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* @{
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*/
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/** @addtogroup EXTI_LL_EF_Init
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* @{
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*/
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/**
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* @brief De-initialize the EXTI registers to their default reset values.
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: EXTI registers are de-initialized
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* - ERROR: not applicable
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*/
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uint32_t LL_EXTI_DeInit(void)
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{
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/* Interrupt mask register set to default reset values */
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LL_EXTI_WriteReg(IMR, 0x00000000U);
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/* Event mask register set to default reset values */
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LL_EXTI_WriteReg(EMR, 0x00000000U);
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/* Rising Trigger selection register set to default reset values */
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LL_EXTI_WriteReg(RTSR, 0x00000000U);
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/* Falling Trigger selection register set to default reset values */
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LL_EXTI_WriteReg(FTSR, 0x00000000U);
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/* Software interrupt event register set to default reset values */
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LL_EXTI_WriteReg(SWIER, 0x00000000U);
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/* Pending register clear */
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LL_EXTI_WriteReg(PR, 0x000FFFFFU);
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return SUCCESS;
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}
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/**
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* @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct.
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* @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure.
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: EXTI registers are initialized
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* - ERROR: not applicable
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*/
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uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct)
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{
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ErrorStatus status = SUCCESS;
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/* Check the parameters */
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assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31));
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assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand));
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assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode));
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/* ENABLE LineCommand */
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if (EXTI_InitStruct->LineCommand != DISABLE)
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{
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assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger));
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/* Configure EXTI Lines in range from 0 to 31 */
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if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE)
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{
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switch (EXTI_InitStruct->Mode)
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{
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case LL_EXTI_MODE_IT:
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/* First Disable Event on provided Lines */
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LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
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/* Then Enable IT on provided Lines */
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LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
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break;
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case LL_EXTI_MODE_EVENT:
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/* First Disable IT on provided Lines */
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LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
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/* Then Enable Event on provided Lines */
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LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
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break;
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case LL_EXTI_MODE_IT_EVENT:
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/* Directly Enable IT & Event on provided Lines */
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LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
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LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
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break;
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default:
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status = ERROR;
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break;
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}
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if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
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{
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switch (EXTI_InitStruct->Trigger)
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{
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case LL_EXTI_TRIGGER_RISING:
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/* First Disable Falling Trigger on provided Lines */
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LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
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/* Then Enable Rising Trigger on provided Lines */
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LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
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break;
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case LL_EXTI_TRIGGER_FALLING:
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/* First Disable Rising Trigger on provided Lines */
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LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
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/* Then Enable Falling Trigger on provided Lines */
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LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
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break;
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case LL_EXTI_TRIGGER_RISING_FALLING:
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LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
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LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
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break;
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default:
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status = ERROR;
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break;
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}
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}
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}
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}
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/* DISABLE LineCommand */
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else
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{
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/* De-configure EXTI Lines in range from 0 to 31 */
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LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
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LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
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}
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return status;
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}
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/**
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* @brief Set each @ref LL_EXTI_InitTypeDef field to default value.
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* @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure.
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* @retval None
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*/
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void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct)
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{
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EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE;
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EXTI_InitStruct->LineCommand = DISABLE;
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EXTI_InitStruct->Mode = LL_EXTI_MODE_IT;
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EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING;
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}
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/**
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* @}
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*/
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|
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/**
|
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* @}
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||||
*/
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/**
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* @}
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*/
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#endif /* defined (EXTI) */
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/**
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* @}
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||||
*/
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|
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#endif /* USE_FULL_LL_DRIVER */
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|
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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/**
|
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******************************************************************************
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* @file stm32f1xx_ll_exti.c
|
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* @author MCD Application Team
|
||||
* @brief EXTI LL module driver.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2016 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
#if defined(USE_FULL_LL_DRIVER)
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|
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/* Includes ------------------------------------------------------------------*/
|
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#include "stm32f1xx_ll_exti.h"
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#ifdef USE_FULL_ASSERT
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#include "stm32_assert.h"
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#else
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#define assert_param(expr) ((void)0U)
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#endif
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|
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/** @addtogroup STM32F1xx_LL_Driver
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* @{
|
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*/
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|
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#if defined (EXTI)
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/** @defgroup EXTI_LL EXTI
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* @{
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*/
|
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|
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/* Private types -------------------------------------------------------------*/
|
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/* Private variables ---------------------------------------------------------*/
|
||||
/* Private constants ---------------------------------------------------------*/
|
||||
/* Private macros ------------------------------------------------------------*/
|
||||
/** @addtogroup EXTI_LL_Private_Macros
|
||||
* @{
|
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*/
|
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|
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#define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U)
|
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|
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#define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \
|
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|| ((__VALUE__) == LL_EXTI_MODE_EVENT) \
|
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|| ((__VALUE__) == LL_EXTI_MODE_IT_EVENT))
|
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|
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|
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#define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \
|
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|| ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \
|
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|| ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \
|
||||
|| ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING))
|
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|
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/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/* Private function prototypes -----------------------------------------------*/
|
||||
|
||||
/* Exported functions --------------------------------------------------------*/
|
||||
/** @addtogroup EXTI_LL_Exported_Functions
|
||||
* @{
|
||||
*/
|
||||
|
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/** @addtogroup EXTI_LL_EF_Init
|
||||
* @{
|
||||
*/
|
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|
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/**
|
||||
* @brief De-initialize the EXTI registers to their default reset values.
|
||||
* @retval An ErrorStatus enumeration value:
|
||||
* - SUCCESS: EXTI registers are de-initialized
|
||||
* - ERROR: not applicable
|
||||
*/
|
||||
uint32_t LL_EXTI_DeInit(void)
|
||||
{
|
||||
/* Interrupt mask register set to default reset values */
|
||||
LL_EXTI_WriteReg(IMR, 0x00000000U);
|
||||
/* Event mask register set to default reset values */
|
||||
LL_EXTI_WriteReg(EMR, 0x00000000U);
|
||||
/* Rising Trigger selection register set to default reset values */
|
||||
LL_EXTI_WriteReg(RTSR, 0x00000000U);
|
||||
/* Falling Trigger selection register set to default reset values */
|
||||
LL_EXTI_WriteReg(FTSR, 0x00000000U);
|
||||
/* Software interrupt event register set to default reset values */
|
||||
LL_EXTI_WriteReg(SWIER, 0x00000000U);
|
||||
/* Pending register clear */
|
||||
LL_EXTI_WriteReg(PR, 0x000FFFFFU);
|
||||
|
||||
return SUCCESS;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct.
|
||||
* @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure.
|
||||
* @retval An ErrorStatus enumeration value:
|
||||
* - SUCCESS: EXTI registers are initialized
|
||||
* - ERROR: not applicable
|
||||
*/
|
||||
uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct)
|
||||
{
|
||||
ErrorStatus status = SUCCESS;
|
||||
/* Check the parameters */
|
||||
assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31));
|
||||
assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand));
|
||||
assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode));
|
||||
|
||||
/* ENABLE LineCommand */
|
||||
if (EXTI_InitStruct->LineCommand != DISABLE)
|
||||
{
|
||||
assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger));
|
||||
|
||||
/* Configure EXTI Lines in range from 0 to 31 */
|
||||
if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE)
|
||||
{
|
||||
switch (EXTI_InitStruct->Mode)
|
||||
{
|
||||
case LL_EXTI_MODE_IT:
|
||||
/* First Disable Event on provided Lines */
|
||||
LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
|
||||
/* Then Enable IT on provided Lines */
|
||||
LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
|
||||
break;
|
||||
case LL_EXTI_MODE_EVENT:
|
||||
/* First Disable IT on provided Lines */
|
||||
LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
|
||||
/* Then Enable Event on provided Lines */
|
||||
LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
|
||||
break;
|
||||
case LL_EXTI_MODE_IT_EVENT:
|
||||
/* Directly Enable IT & Event on provided Lines */
|
||||
LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
|
||||
LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
|
||||
break;
|
||||
default:
|
||||
status = ERROR;
|
||||
break;
|
||||
}
|
||||
if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
|
||||
{
|
||||
switch (EXTI_InitStruct->Trigger)
|
||||
{
|
||||
case LL_EXTI_TRIGGER_RISING:
|
||||
/* First Disable Falling Trigger on provided Lines */
|
||||
LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
|
||||
/* Then Enable Rising Trigger on provided Lines */
|
||||
LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
|
||||
break;
|
||||
case LL_EXTI_TRIGGER_FALLING:
|
||||
/* First Disable Rising Trigger on provided Lines */
|
||||
LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
|
||||
/* Then Enable Falling Trigger on provided Lines */
|
||||
LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
|
||||
break;
|
||||
case LL_EXTI_TRIGGER_RISING_FALLING:
|
||||
LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
|
||||
LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
|
||||
break;
|
||||
default:
|
||||
status = ERROR;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
/* DISABLE LineCommand */
|
||||
else
|
||||
{
|
||||
/* De-configure EXTI Lines in range from 0 to 31 */
|
||||
LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
|
||||
LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Set each @ref LL_EXTI_InitTypeDef field to default value.
|
||||
* @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure.
|
||||
* @retval None
|
||||
*/
|
||||
void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct)
|
||||
{
|
||||
EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE;
|
||||
EXTI_InitStruct->LineCommand = DISABLE;
|
||||
EXTI_InitStruct->Mode = LL_EXTI_MODE_IT;
|
||||
EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING;
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* defined (EXTI) */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* USE_FULL_LL_DRIVER */
|
||||
|
||||
|
|
|
@ -6,13 +6,12 @@
|
|||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© Copyright (c) 2016 STMicroelectronics.
|
||||
* All rights reserved.</center></h2>
|
||||
* Copyright (c) 2016 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software component is licensed by ST under BSD 3-Clause license,
|
||||
* the "License"; You may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at:
|
||||
* opensource.org/licenses/BSD-3-Clause
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
@ -185,13 +184,18 @@ ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStru
|
|||
currentpin = ((0x00010001u << (pinpos - GPIO_PIN_MASK_POS)) | 0x04000000u);
|
||||
}
|
||||
|
||||
/* Check Pin Mode and Pin Pull parameters */
|
||||
if (GPIO_InitStruct->Mode == LL_GPIO_MODE_INPUT)
|
||||
{
|
||||
/* Check The Pull parameter */
|
||||
assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));
|
||||
|
||||
/* Pull-up Pull-down resistor configuration*/
|
||||
LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);
|
||||
}
|
||||
|
||||
/* Check Pin Mode parameters */
|
||||
assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode));
|
||||
assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));
|
||||
|
||||
/* Pull-up Pull-down resistor configuration*/
|
||||
LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);
|
||||
|
||||
|
||||
/* Pin Mode configuration */
|
||||
LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
|
||||
|
||||
|
@ -250,4 +254,3 @@ void LL_GPIO_StructInit(LL_GPIO_InitTypeDef *GPIO_InitStruct)
|
|||
|
||||
#endif /* USE_FULL_LL_DRIVER */
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
|
|
|
@ -1,474 +1,471 @@
|
|||
/**
|
||||
******************************************************************************
|
||||
* @file stm32f1xx_ll_rcc.c
|
||||
* @author MCD Application Team
|
||||
* @brief RCC LL module driver.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© Copyright (c) 2016 STMicroelectronics.
|
||||
* All rights reserved.</center></h2>
|
||||
*
|
||||
* This software component is licensed by ST under BSD 3-Clause license,
|
||||
* the "License"; You may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at:
|
||||
* opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
#if defined(USE_FULL_LL_DRIVER)
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "stm32f1xx_ll_rcc.h"
|
||||
#ifdef USE_FULL_ASSERT
|
||||
#include "stm32_assert.h"
|
||||
#else
|
||||
#define assert_param(expr) ((void)0U)
|
||||
#endif /* USE_FULL_ASSERT */
|
||||
/** @addtogroup STM32F1xx_LL_Driver
|
||||
* @{
|
||||
*/
|
||||
|
||||
#if defined(RCC)
|
||||
|
||||
/** @defgroup RCC_LL RCC
|
||||
* @{
|
||||
*/
|
||||
|
||||
/* Private types -------------------------------------------------------------*/
|
||||
/* Private variables ---------------------------------------------------------*/
|
||||
/* Private constants ---------------------------------------------------------*/
|
||||
/* Private macros ------------------------------------------------------------*/
|
||||
/** @addtogroup RCC_LL_Private_Macros
|
||||
* @{
|
||||
*/
|
||||
#if defined(RCC_PLLI2S_SUPPORT)
|
||||
#define IS_LL_RCC_I2S_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_I2S2_CLKSOURCE) \
|
||||
|| ((__VALUE__) == LL_RCC_I2S3_CLKSOURCE))
|
||||
#endif /* RCC_PLLI2S_SUPPORT */
|
||||
|
||||
#if defined(USB) || defined(USB_OTG_FS)
|
||||
#define IS_LL_RCC_USB_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_USB_CLKSOURCE))
|
||||
#endif /* USB */
|
||||
|
||||
#define IS_LL_RCC_ADC_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_ADC_CLKSOURCE))
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/* Private function prototypes -----------------------------------------------*/
|
||||
/** @defgroup RCC_LL_Private_Functions RCC Private functions
|
||||
* @{
|
||||
*/
|
||||
uint32_t RCC_GetSystemClockFreq(void);
|
||||
uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency);
|
||||
uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency);
|
||||
uint32_t RCC_GetPCLK2ClockFreq(uint32_t HCLK_Frequency);
|
||||
uint32_t RCC_PLL_GetFreqDomain_SYS(void);
|
||||
#if defined(RCC_PLLI2S_SUPPORT)
|
||||
uint32_t RCC_PLLI2S_GetFreqDomain_I2S(void);
|
||||
#endif /* RCC_PLLI2S_SUPPORT */
|
||||
#if defined(RCC_PLL2_SUPPORT)
|
||||
uint32_t RCC_PLL2_GetFreqClockFreq(void);
|
||||
#endif /* RCC_PLL2_SUPPORT */
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/* Exported functions --------------------------------------------------------*/
|
||||
/** @addtogroup RCC_LL_Exported_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup RCC_LL_EF_Init
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Reset the RCC clock configuration to the default reset state.
|
||||
* @note The default reset state of the clock configuration is given below:
|
||||
* - HSI ON and used as system clock source
|
||||
* - HSE PLL, PLL2 & PLL3 are OFF
|
||||
* - AHB, APB1 and APB2 prescaler set to 1.
|
||||
* - CSS, MCO OFF
|
||||
* - All interrupts disabled
|
||||
* @note This function doesn't modify the configuration of the
|
||||
* - Peripheral clocks
|
||||
* - LSI, LSE and RTC clocks
|
||||
* @retval An ErrorStatus enumeration value:
|
||||
* - SUCCESS: RCC registers are de-initialized
|
||||
* - ERROR: not applicable
|
||||
*/
|
||||
ErrorStatus LL_RCC_DeInit(void)
|
||||
{
|
||||
/* Set HSION bit */
|
||||
LL_RCC_HSI_Enable();
|
||||
|
||||
/* Wait for HSI READY bit */
|
||||
while (LL_RCC_HSI_IsReady() != 1U)
|
||||
{}
|
||||
|
||||
/* Configure HSI as system clock source */
|
||||
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_HSI);
|
||||
|
||||
/* Wait till clock switch is ready */
|
||||
while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_HSI)
|
||||
{}
|
||||
|
||||
/* Reset PLLON bit */
|
||||
CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
|
||||
|
||||
/* Wait for PLL READY bit to be reset */
|
||||
while (LL_RCC_PLL_IsReady() != 0U)
|
||||
{}
|
||||
|
||||
/* Reset CFGR register */
|
||||
LL_RCC_WriteReg(CFGR, 0x00000000U);
|
||||
|
||||
/* Reset HSEON, HSEBYP & CSSON bits */
|
||||
CLEAR_BIT(RCC->CR, (RCC_CR_CSSON | RCC_CR_HSEON | RCC_CR_HSEBYP));
|
||||
|
||||
#if defined(RCC_CR_PLL2ON)
|
||||
/* Reset PLL2ON bit */
|
||||
CLEAR_BIT(RCC->CR, RCC_CR_PLL2ON);
|
||||
#endif /* RCC_CR_PLL2ON */
|
||||
|
||||
#if defined(RCC_CR_PLL3ON)
|
||||
/* Reset PLL3ON bit */
|
||||
CLEAR_BIT(RCC->CR, RCC_CR_PLL3ON);
|
||||
#endif /* RCC_CR_PLL3ON */
|
||||
|
||||
/* Set HSITRIM bits to the reset value */
|
||||
LL_RCC_HSI_SetCalibTrimming(0x10U);
|
||||
|
||||
#if defined(RCC_CFGR2_PREDIV1)
|
||||
/* Reset CFGR2 register */
|
||||
LL_RCC_WriteReg(CFGR2, 0x00000000U);
|
||||
#endif /* RCC_CFGR2_PREDIV1 */
|
||||
|
||||
/* Disable all interrupts */
|
||||
LL_RCC_WriteReg(CIR, 0x00000000U);
|
||||
|
||||
/* Clear reset flags */
|
||||
LL_RCC_ClearResetFlags();
|
||||
|
||||
return SUCCESS;
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup RCC_LL_EF_Get_Freq
|
||||
* @brief Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks
|
||||
* and different peripheral clocks available on the device.
|
||||
* @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(**)
|
||||
* @note If SYSCLK source is HSE, function returns values based on HSE_VALUE(***)
|
||||
* @note If SYSCLK source is PLL, function returns values based on
|
||||
* HSI_VALUE(**) or HSE_VALUE(***) multiplied/divided by the PLL factors.
|
||||
* @note (**) HSI_VALUE is a defined constant but the real value may vary
|
||||
* depending on the variations in voltage and temperature.
|
||||
* @note (***) HSE_VALUE is a defined constant, user has to ensure that
|
||||
* HSE_VALUE is same as the real frequency of the crystal used.
|
||||
* Otherwise, this function may have wrong result.
|
||||
* @note The result of this function could be incorrect when using fractional
|
||||
* value for HSE crystal.
|
||||
* @note This function can be used by the user application to compute the
|
||||
* baud-rate for the communication peripherals or configure other parameters.
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks
|
||||
* @note Each time SYSCLK, HCLK, PCLK1 and/or PCLK2 clock changes, this function
|
||||
* must be called to update structure fields. Otherwise, any
|
||||
* configuration based on this function will be incorrect.
|
||||
* @param RCC_Clocks pointer to a @ref LL_RCC_ClocksTypeDef structure which will hold the clocks frequencies
|
||||
* @retval None
|
||||
*/
|
||||
void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks)
|
||||
{
|
||||
/* Get SYSCLK frequency */
|
||||
RCC_Clocks->SYSCLK_Frequency = RCC_GetSystemClockFreq();
|
||||
|
||||
/* HCLK clock frequency */
|
||||
RCC_Clocks->HCLK_Frequency = RCC_GetHCLKClockFreq(RCC_Clocks->SYSCLK_Frequency);
|
||||
|
||||
/* PCLK1 clock frequency */
|
||||
RCC_Clocks->PCLK1_Frequency = RCC_GetPCLK1ClockFreq(RCC_Clocks->HCLK_Frequency);
|
||||
|
||||
/* PCLK2 clock frequency */
|
||||
RCC_Clocks->PCLK2_Frequency = RCC_GetPCLK2ClockFreq(RCC_Clocks->HCLK_Frequency);
|
||||
}
|
||||
|
||||
#if defined(RCC_CFGR2_I2S2SRC)
|
||||
/**
|
||||
* @brief Return I2Sx clock frequency
|
||||
* @param I2SxSource This parameter can be one of the following values:
|
||||
* @arg @ref LL_RCC_I2S2_CLKSOURCE
|
||||
* @arg @ref LL_RCC_I2S3_CLKSOURCE
|
||||
* @retval I2S clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t LL_RCC_GetI2SClockFreq(uint32_t I2SxSource)
|
||||
{
|
||||
uint32_t i2s_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
|
||||
|
||||
/* Check parameter */
|
||||
assert_param(IS_LL_RCC_I2S_CLKSOURCE(I2SxSource));
|
||||
|
||||
/* I2S1CLK clock frequency */
|
||||
switch (LL_RCC_GetI2SClockSource(I2SxSource))
|
||||
{
|
||||
case LL_RCC_I2S2_CLKSOURCE_SYSCLK: /*!< System clock selected as I2S clock source */
|
||||
case LL_RCC_I2S3_CLKSOURCE_SYSCLK:
|
||||
i2s_frequency = RCC_GetSystemClockFreq();
|
||||
break;
|
||||
|
||||
case LL_RCC_I2S2_CLKSOURCE_PLLI2S_VCO: /*!< PLLI2S oscillator clock selected as I2S clock source */
|
||||
case LL_RCC_I2S3_CLKSOURCE_PLLI2S_VCO:
|
||||
default:
|
||||
i2s_frequency = RCC_PLLI2S_GetFreqDomain_I2S() * 2U;
|
||||
break;
|
||||
}
|
||||
|
||||
return i2s_frequency;
|
||||
}
|
||||
#endif /* RCC_CFGR2_I2S2SRC */
|
||||
|
||||
#if defined(USB) || defined(USB_OTG_FS)
|
||||
/**
|
||||
* @brief Return USBx clock frequency
|
||||
* @param USBxSource This parameter can be one of the following values:
|
||||
* @arg @ref LL_RCC_USB_CLKSOURCE
|
||||
* @retval USB clock frequency (in Hz)
|
||||
* @arg @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator (HSI), HSE or PLL is not ready
|
||||
*/
|
||||
uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource)
|
||||
{
|
||||
uint32_t usb_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
|
||||
|
||||
/* Check parameter */
|
||||
assert_param(IS_LL_RCC_USB_CLKSOURCE(USBxSource));
|
||||
|
||||
/* USBCLK clock frequency */
|
||||
switch (LL_RCC_GetUSBClockSource(USBxSource))
|
||||
{
|
||||
#if defined(RCC_CFGR_USBPRE)
|
||||
case LL_RCC_USB_CLKSOURCE_PLL: /* PLL clock used as USB clock source */
|
||||
if (LL_RCC_PLL_IsReady())
|
||||
{
|
||||
usb_frequency = RCC_PLL_GetFreqDomain_SYS();
|
||||
}
|
||||
break;
|
||||
|
||||
case LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5: /* PLL clock divided by 1.5 used as USB clock source */
|
||||
default:
|
||||
if (LL_RCC_PLL_IsReady())
|
||||
{
|
||||
usb_frequency = (RCC_PLL_GetFreqDomain_SYS() * 3U) / 2U;
|
||||
}
|
||||
break;
|
||||
#endif /* RCC_CFGR_USBPRE */
|
||||
#if defined(RCC_CFGR_OTGFSPRE)
|
||||
/* USBCLK = PLLVCO/2
|
||||
= (2 x PLLCLK) / 2
|
||||
= PLLCLK */
|
||||
case LL_RCC_USB_CLKSOURCE_PLL_DIV_2: /* PLL clock used as USB clock source */
|
||||
if (LL_RCC_PLL_IsReady())
|
||||
{
|
||||
usb_frequency = RCC_PLL_GetFreqDomain_SYS();
|
||||
}
|
||||
break;
|
||||
|
||||
/* USBCLK = PLLVCO/3
|
||||
= (2 x PLLCLK) / 3 */
|
||||
case LL_RCC_USB_CLKSOURCE_PLL_DIV_3: /* PLL clock divided by 3 used as USB clock source */
|
||||
default:
|
||||
if (LL_RCC_PLL_IsReady())
|
||||
{
|
||||
usb_frequency = (RCC_PLL_GetFreqDomain_SYS() * 2U) / 3U;
|
||||
}
|
||||
break;
|
||||
#endif /* RCC_CFGR_OTGFSPRE */
|
||||
}
|
||||
|
||||
return usb_frequency;
|
||||
}
|
||||
#endif /* USB */
|
||||
|
||||
/**
|
||||
* @brief Return ADCx clock frequency
|
||||
* @param ADCxSource This parameter can be one of the following values:
|
||||
* @arg @ref LL_RCC_ADC_CLKSOURCE
|
||||
* @retval ADC clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t LL_RCC_GetADCClockFreq(uint32_t ADCxSource)
|
||||
{
|
||||
uint32_t adc_prescaler = 0U;
|
||||
uint32_t adc_frequency = 0U;
|
||||
|
||||
/* Check parameter */
|
||||
assert_param(IS_LL_RCC_ADC_CLKSOURCE(ADCxSource));
|
||||
|
||||
/* Get ADC prescaler */
|
||||
adc_prescaler = LL_RCC_GetADCClockSource(ADCxSource);
|
||||
|
||||
/* ADC frequency = PCLK2 frequency / ADC prescaler (2, 4, 6 or 8) */
|
||||
adc_frequency = RCC_GetPCLK2ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()))
|
||||
/ (((adc_prescaler >> POSITION_VAL(ADCxSource)) + 1U) * 2U);
|
||||
|
||||
return adc_frequency;
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup RCC_LL_Private_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Return SYSTEM clock frequency
|
||||
* @retval SYSTEM clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_GetSystemClockFreq(void)
|
||||
{
|
||||
uint32_t frequency = 0U;
|
||||
|
||||
/* Get SYSCLK source -------------------------------------------------------*/
|
||||
switch (LL_RCC_GetSysClkSource())
|
||||
{
|
||||
case LL_RCC_SYS_CLKSOURCE_STATUS_HSI: /* HSI used as system clock source */
|
||||
frequency = HSI_VALUE;
|
||||
break;
|
||||
|
||||
case LL_RCC_SYS_CLKSOURCE_STATUS_HSE: /* HSE used as system clock source */
|
||||
frequency = HSE_VALUE;
|
||||
break;
|
||||
|
||||
case LL_RCC_SYS_CLKSOURCE_STATUS_PLL: /* PLL used as system clock source */
|
||||
frequency = RCC_PLL_GetFreqDomain_SYS();
|
||||
break;
|
||||
|
||||
default:
|
||||
frequency = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
return frequency;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return HCLK clock frequency
|
||||
* @param SYSCLK_Frequency SYSCLK clock frequency
|
||||
* @retval HCLK clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency)
|
||||
{
|
||||
/* HCLK clock frequency */
|
||||
return __LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, LL_RCC_GetAHBPrescaler());
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return PCLK1 clock frequency
|
||||
* @param HCLK_Frequency HCLK clock frequency
|
||||
* @retval PCLK1 clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency)
|
||||
{
|
||||
/* PCLK1 clock frequency */
|
||||
return __LL_RCC_CALC_PCLK1_FREQ(HCLK_Frequency, LL_RCC_GetAPB1Prescaler());
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return PCLK2 clock frequency
|
||||
* @param HCLK_Frequency HCLK clock frequency
|
||||
* @retval PCLK2 clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_GetPCLK2ClockFreq(uint32_t HCLK_Frequency)
|
||||
{
|
||||
/* PCLK2 clock frequency */
|
||||
return __LL_RCC_CALC_PCLK2_FREQ(HCLK_Frequency, LL_RCC_GetAPB2Prescaler());
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return PLL clock frequency used for system domain
|
||||
* @retval PLL clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_PLL_GetFreqDomain_SYS(void)
|
||||
{
|
||||
uint32_t pllinputfreq = 0U, pllsource = 0U;
|
||||
|
||||
/* PLL_VCO = (HSE_VALUE, HSI_VALUE or PLL2 / PLL Predivider) * PLL Multiplicator */
|
||||
|
||||
/* Get PLL source */
|
||||
pllsource = LL_RCC_PLL_GetMainSource();
|
||||
|
||||
switch (pllsource)
|
||||
{
|
||||
case LL_RCC_PLLSOURCE_HSI_DIV_2: /* HSI used as PLL clock source */
|
||||
pllinputfreq = HSI_VALUE / 2U;
|
||||
break;
|
||||
|
||||
case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */
|
||||
pllinputfreq = HSE_VALUE / (LL_RCC_PLL_GetPrediv() + 1U);
|
||||
break;
|
||||
|
||||
#if defined(RCC_PLL2_SUPPORT)
|
||||
case LL_RCC_PLLSOURCE_PLL2: /* PLL2 used as PLL clock source */
|
||||
pllinputfreq = RCC_PLL2_GetFreqClockFreq() / (LL_RCC_PLL_GetPrediv() + 1U);
|
||||
break;
|
||||
#endif /* RCC_PLL2_SUPPORT */
|
||||
|
||||
default:
|
||||
pllinputfreq = HSI_VALUE / 2U;
|
||||
break;
|
||||
}
|
||||
return __LL_RCC_CALC_PLLCLK_FREQ(pllinputfreq, LL_RCC_PLL_GetMultiplicator());
|
||||
}
|
||||
|
||||
#if defined(RCC_PLL2_SUPPORT)
|
||||
/**
|
||||
* @brief Return PLL clock frequency used for system domain
|
||||
* @retval PLL clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_PLL2_GetFreqClockFreq(void)
|
||||
{
|
||||
return __LL_RCC_CALC_PLL2CLK_FREQ(HSE_VALUE, LL_RCC_PLL2_GetMultiplicator(), LL_RCC_HSE_GetPrediv2());
|
||||
}
|
||||
#endif /* RCC_PLL2_SUPPORT */
|
||||
|
||||
#if defined(RCC_PLLI2S_SUPPORT)
|
||||
/**
|
||||
* @brief Return PLL clock frequency used for system domain
|
||||
* @retval PLL clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_PLLI2S_GetFreqDomain_I2S(void)
|
||||
{
|
||||
return __LL_RCC_CALC_PLLI2SCLK_FREQ(HSE_VALUE, LL_RCC_PLLI2S_GetMultiplicator(), LL_RCC_HSE_GetPrediv2());
|
||||
}
|
||||
#endif /* RCC_PLLI2S_SUPPORT */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* defined(RCC) */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* USE_FULL_LL_DRIVER */
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file stm32f1xx_ll_rcc.c
|
||||
* @author MCD Application Team
|
||||
* @brief RCC LL module driver.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2016 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file in
|
||||
* the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
#if defined(USE_FULL_LL_DRIVER)
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "stm32f1xx_ll_rcc.h"
|
||||
#ifdef USE_FULL_ASSERT
|
||||
#include "stm32_assert.h"
|
||||
#else
|
||||
#define assert_param(expr) ((void)0U)
|
||||
#endif /* USE_FULL_ASSERT */
|
||||
/** @addtogroup STM32F1xx_LL_Driver
|
||||
* @{
|
||||
*/
|
||||
|
||||
#if defined(RCC)
|
||||
|
||||
/** @defgroup RCC_LL RCC
|
||||
* @{
|
||||
*/
|
||||
|
||||
/* Private types -------------------------------------------------------------*/
|
||||
/* Private variables ---------------------------------------------------------*/
|
||||
/* Private constants ---------------------------------------------------------*/
|
||||
/* Private macros ------------------------------------------------------------*/
|
||||
/** @addtogroup RCC_LL_Private_Macros
|
||||
* @{
|
||||
*/
|
||||
#if defined(RCC_PLLI2S_SUPPORT)
|
||||
#define IS_LL_RCC_I2S_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_I2S2_CLKSOURCE) \
|
||||
|| ((__VALUE__) == LL_RCC_I2S3_CLKSOURCE))
|
||||
#endif /* RCC_PLLI2S_SUPPORT */
|
||||
|
||||
#if defined(USB) || defined(USB_OTG_FS)
|
||||
#define IS_LL_RCC_USB_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_USB_CLKSOURCE))
|
||||
#endif /* USB */
|
||||
|
||||
#define IS_LL_RCC_ADC_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_ADC_CLKSOURCE))
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/* Private function prototypes -----------------------------------------------*/
|
||||
/** @defgroup RCC_LL_Private_Functions RCC Private functions
|
||||
* @{
|
||||
*/
|
||||
uint32_t RCC_GetSystemClockFreq(void);
|
||||
uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency);
|
||||
uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency);
|
||||
uint32_t RCC_GetPCLK2ClockFreq(uint32_t HCLK_Frequency);
|
||||
uint32_t RCC_PLL_GetFreqDomain_SYS(void);
|
||||
#if defined(RCC_PLLI2S_SUPPORT)
|
||||
uint32_t RCC_PLLI2S_GetFreqDomain_I2S(void);
|
||||
#endif /* RCC_PLLI2S_SUPPORT */
|
||||
#if defined(RCC_PLL2_SUPPORT)
|
||||
uint32_t RCC_PLL2_GetFreqClockFreq(void);
|
||||
#endif /* RCC_PLL2_SUPPORT */
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/* Exported functions --------------------------------------------------------*/
|
||||
/** @addtogroup RCC_LL_Exported_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup RCC_LL_EF_Init
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Reset the RCC clock configuration to the default reset state.
|
||||
* @note The default reset state of the clock configuration is given below:
|
||||
* - HSI ON and used as system clock source
|
||||
* - HSE PLL, PLL2 & PLL3 are OFF
|
||||
* - AHB, APB1 and APB2 prescaler set to 1.
|
||||
* - CSS, MCO OFF
|
||||
* - All interrupts disabled
|
||||
* @note This function doesn't modify the configuration of the
|
||||
* - Peripheral clocks
|
||||
* - LSI, LSE and RTC clocks
|
||||
* @retval An ErrorStatus enumeration value:
|
||||
* - SUCCESS: RCC registers are de-initialized
|
||||
* - ERROR: not applicable
|
||||
*/
|
||||
ErrorStatus LL_RCC_DeInit(void)
|
||||
{
|
||||
/* Set HSION bit */
|
||||
LL_RCC_HSI_Enable();
|
||||
|
||||
/* Wait for HSI READY bit */
|
||||
while (LL_RCC_HSI_IsReady() != 1U)
|
||||
{}
|
||||
|
||||
/* Configure HSI as system clock source */
|
||||
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_HSI);
|
||||
|
||||
/* Wait till clock switch is ready */
|
||||
while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_HSI)
|
||||
{}
|
||||
|
||||
/* Reset PLLON bit */
|
||||
CLEAR_BIT(RCC->CR, RCC_CR_PLLON);
|
||||
|
||||
/* Wait for PLL READY bit to be reset */
|
||||
while (LL_RCC_PLL_IsReady() != 0U)
|
||||
{}
|
||||
|
||||
/* Reset CFGR register */
|
||||
LL_RCC_WriteReg(CFGR, 0x00000000U);
|
||||
|
||||
/* Reset HSEON, HSEBYP & CSSON bits */
|
||||
CLEAR_BIT(RCC->CR, (RCC_CR_CSSON | RCC_CR_HSEON | RCC_CR_HSEBYP));
|
||||
|
||||
#if defined(RCC_CR_PLL2ON)
|
||||
/* Reset PLL2ON bit */
|
||||
CLEAR_BIT(RCC->CR, RCC_CR_PLL2ON);
|
||||
#endif /* RCC_CR_PLL2ON */
|
||||
|
||||
#if defined(RCC_CR_PLL3ON)
|
||||
/* Reset PLL3ON bit */
|
||||
CLEAR_BIT(RCC->CR, RCC_CR_PLL3ON);
|
||||
#endif /* RCC_CR_PLL3ON */
|
||||
|
||||
/* Set HSITRIM bits to the reset value */
|
||||
LL_RCC_HSI_SetCalibTrimming(0x10U);
|
||||
|
||||
#if defined(RCC_CFGR2_PREDIV1)
|
||||
/* Reset CFGR2 register */
|
||||
LL_RCC_WriteReg(CFGR2, 0x00000000U);
|
||||
#endif /* RCC_CFGR2_PREDIV1 */
|
||||
|
||||
/* Disable all interrupts */
|
||||
LL_RCC_WriteReg(CIR, 0x00000000U);
|
||||
|
||||
/* Clear reset flags */
|
||||
LL_RCC_ClearResetFlags();
|
||||
|
||||
return SUCCESS;
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup RCC_LL_EF_Get_Freq
|
||||
* @brief Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks
|
||||
* and different peripheral clocks available on the device.
|
||||
* @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(**)
|
||||
* @note If SYSCLK source is HSE, function returns values based on HSE_VALUE(***)
|
||||
* @note If SYSCLK source is PLL, function returns values based on
|
||||
* HSI_VALUE(**) or HSE_VALUE(***) multiplied/divided by the PLL factors.
|
||||
* @note (**) HSI_VALUE is a defined constant but the real value may vary
|
||||
* depending on the variations in voltage and temperature.
|
||||
* @note (***) HSE_VALUE is a defined constant, user has to ensure that
|
||||
* HSE_VALUE is same as the real frequency of the crystal used.
|
||||
* Otherwise, this function may have wrong result.
|
||||
* @note The result of this function could be incorrect when using fractional
|
||||
* value for HSE crystal.
|
||||
* @note This function can be used by the user application to compute the
|
||||
* baud-rate for the communication peripherals or configure other parameters.
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks
|
||||
* @note Each time SYSCLK, HCLK, PCLK1 and/or PCLK2 clock changes, this function
|
||||
* must be called to update structure fields. Otherwise, any
|
||||
* configuration based on this function will be incorrect.
|
||||
* @param RCC_Clocks pointer to a @ref LL_RCC_ClocksTypeDef structure which will hold the clocks frequencies
|
||||
* @retval None
|
||||
*/
|
||||
void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks)
|
||||
{
|
||||
/* Get SYSCLK frequency */
|
||||
RCC_Clocks->SYSCLK_Frequency = RCC_GetSystemClockFreq();
|
||||
|
||||
/* HCLK clock frequency */
|
||||
RCC_Clocks->HCLK_Frequency = RCC_GetHCLKClockFreq(RCC_Clocks->SYSCLK_Frequency);
|
||||
|
||||
/* PCLK1 clock frequency */
|
||||
RCC_Clocks->PCLK1_Frequency = RCC_GetPCLK1ClockFreq(RCC_Clocks->HCLK_Frequency);
|
||||
|
||||
/* PCLK2 clock frequency */
|
||||
RCC_Clocks->PCLK2_Frequency = RCC_GetPCLK2ClockFreq(RCC_Clocks->HCLK_Frequency);
|
||||
}
|
||||
|
||||
#if defined(RCC_CFGR2_I2S2SRC)
|
||||
/**
|
||||
* @brief Return I2Sx clock frequency
|
||||
* @param I2SxSource This parameter can be one of the following values:
|
||||
* @arg @ref LL_RCC_I2S2_CLKSOURCE
|
||||
* @arg @ref LL_RCC_I2S3_CLKSOURCE
|
||||
* @retval I2S clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t LL_RCC_GetI2SClockFreq(uint32_t I2SxSource)
|
||||
{
|
||||
uint32_t i2s_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
|
||||
|
||||
/* Check parameter */
|
||||
assert_param(IS_LL_RCC_I2S_CLKSOURCE(I2SxSource));
|
||||
|
||||
/* I2S1CLK clock frequency */
|
||||
switch (LL_RCC_GetI2SClockSource(I2SxSource))
|
||||
{
|
||||
case LL_RCC_I2S2_CLKSOURCE_SYSCLK: /*!< System clock selected as I2S clock source */
|
||||
case LL_RCC_I2S3_CLKSOURCE_SYSCLK:
|
||||
i2s_frequency = RCC_GetSystemClockFreq();
|
||||
break;
|
||||
|
||||
case LL_RCC_I2S2_CLKSOURCE_PLLI2S_VCO: /*!< PLLI2S oscillator clock selected as I2S clock source */
|
||||
case LL_RCC_I2S3_CLKSOURCE_PLLI2S_VCO:
|
||||
default:
|
||||
i2s_frequency = RCC_PLLI2S_GetFreqDomain_I2S() * 2U;
|
||||
break;
|
||||
}
|
||||
|
||||
return i2s_frequency;
|
||||
}
|
||||
#endif /* RCC_CFGR2_I2S2SRC */
|
||||
|
||||
#if defined(USB) || defined(USB_OTG_FS)
|
||||
/**
|
||||
* @brief Return USBx clock frequency
|
||||
* @param USBxSource This parameter can be one of the following values:
|
||||
* @arg @ref LL_RCC_USB_CLKSOURCE
|
||||
* @retval USB clock frequency (in Hz)
|
||||
* @arg @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator (HSI), HSE or PLL is not ready
|
||||
*/
|
||||
uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource)
|
||||
{
|
||||
uint32_t usb_frequency = LL_RCC_PERIPH_FREQUENCY_NO;
|
||||
|
||||
/* Check parameter */
|
||||
assert_param(IS_LL_RCC_USB_CLKSOURCE(USBxSource));
|
||||
|
||||
/* USBCLK clock frequency */
|
||||
switch (LL_RCC_GetUSBClockSource(USBxSource))
|
||||
{
|
||||
#if defined(RCC_CFGR_USBPRE)
|
||||
case LL_RCC_USB_CLKSOURCE_PLL: /* PLL clock used as USB clock source */
|
||||
if (LL_RCC_PLL_IsReady())
|
||||
{
|
||||
usb_frequency = RCC_PLL_GetFreqDomain_SYS();
|
||||
}
|
||||
break;
|
||||
|
||||
case LL_RCC_USB_CLKSOURCE_PLL_DIV_1_5: /* PLL clock divided by 1.5 used as USB clock source */
|
||||
default:
|
||||
if (LL_RCC_PLL_IsReady())
|
||||
{
|
||||
usb_frequency = (RCC_PLL_GetFreqDomain_SYS() * 3U) / 2U;
|
||||
}
|
||||
break;
|
||||
#endif /* RCC_CFGR_USBPRE */
|
||||
#if defined(RCC_CFGR_OTGFSPRE)
|
||||
/* USBCLK = PLLVCO/2
|
||||
= (2 x PLLCLK) / 2
|
||||
= PLLCLK */
|
||||
case LL_RCC_USB_CLKSOURCE_PLL_DIV_2: /* PLL clock used as USB clock source */
|
||||
if (LL_RCC_PLL_IsReady())
|
||||
{
|
||||
usb_frequency = RCC_PLL_GetFreqDomain_SYS();
|
||||
}
|
||||
break;
|
||||
|
||||
/* USBCLK = PLLVCO/3
|
||||
= (2 x PLLCLK) / 3 */
|
||||
case LL_RCC_USB_CLKSOURCE_PLL_DIV_3: /* PLL clock divided by 3 used as USB clock source */
|
||||
default:
|
||||
if (LL_RCC_PLL_IsReady())
|
||||
{
|
||||
usb_frequency = (RCC_PLL_GetFreqDomain_SYS() * 2U) / 3U;
|
||||
}
|
||||
break;
|
||||
#endif /* RCC_CFGR_OTGFSPRE */
|
||||
}
|
||||
|
||||
return usb_frequency;
|
||||
}
|
||||
#endif /* USB */
|
||||
|
||||
/**
|
||||
* @brief Return ADCx clock frequency
|
||||
* @param ADCxSource This parameter can be one of the following values:
|
||||
* @arg @ref LL_RCC_ADC_CLKSOURCE
|
||||
* @retval ADC clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t LL_RCC_GetADCClockFreq(uint32_t ADCxSource)
|
||||
{
|
||||
uint32_t adc_prescaler = 0U;
|
||||
uint32_t adc_frequency = 0U;
|
||||
|
||||
/* Check parameter */
|
||||
assert_param(IS_LL_RCC_ADC_CLKSOURCE(ADCxSource));
|
||||
|
||||
/* Get ADC prescaler */
|
||||
adc_prescaler = LL_RCC_GetADCClockSource(ADCxSource);
|
||||
|
||||
/* ADC frequency = PCLK2 frequency / ADC prescaler (2, 4, 6 or 8) */
|
||||
adc_frequency = RCC_GetPCLK2ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq()))
|
||||
/ (((adc_prescaler >> POSITION_VAL(ADCxSource)) + 1U) * 2U);
|
||||
|
||||
return adc_frequency;
|
||||
}
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup RCC_LL_Private_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Return SYSTEM clock frequency
|
||||
* @retval SYSTEM clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_GetSystemClockFreq(void)
|
||||
{
|
||||
uint32_t frequency = 0U;
|
||||
|
||||
/* Get SYSCLK source -------------------------------------------------------*/
|
||||
switch (LL_RCC_GetSysClkSource())
|
||||
{
|
||||
case LL_RCC_SYS_CLKSOURCE_STATUS_HSI: /* HSI used as system clock source */
|
||||
frequency = HSI_VALUE;
|
||||
break;
|
||||
|
||||
case LL_RCC_SYS_CLKSOURCE_STATUS_HSE: /* HSE used as system clock source */
|
||||
frequency = HSE_VALUE;
|
||||
break;
|
||||
|
||||
case LL_RCC_SYS_CLKSOURCE_STATUS_PLL: /* PLL used as system clock source */
|
||||
frequency = RCC_PLL_GetFreqDomain_SYS();
|
||||
break;
|
||||
|
||||
default:
|
||||
frequency = HSI_VALUE;
|
||||
break;
|
||||
}
|
||||
|
||||
return frequency;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return HCLK clock frequency
|
||||
* @param SYSCLK_Frequency SYSCLK clock frequency
|
||||
* @retval HCLK clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency)
|
||||
{
|
||||
/* HCLK clock frequency */
|
||||
return __LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, LL_RCC_GetAHBPrescaler());
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return PCLK1 clock frequency
|
||||
* @param HCLK_Frequency HCLK clock frequency
|
||||
* @retval PCLK1 clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency)
|
||||
{
|
||||
/* PCLK1 clock frequency */
|
||||
return __LL_RCC_CALC_PCLK1_FREQ(HCLK_Frequency, LL_RCC_GetAPB1Prescaler());
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return PCLK2 clock frequency
|
||||
* @param HCLK_Frequency HCLK clock frequency
|
||||
* @retval PCLK2 clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_GetPCLK2ClockFreq(uint32_t HCLK_Frequency)
|
||||
{
|
||||
/* PCLK2 clock frequency */
|
||||
return __LL_RCC_CALC_PCLK2_FREQ(HCLK_Frequency, LL_RCC_GetAPB2Prescaler());
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return PLL clock frequency used for system domain
|
||||
* @retval PLL clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_PLL_GetFreqDomain_SYS(void)
|
||||
{
|
||||
uint32_t pllinputfreq = 0U, pllsource = 0U;
|
||||
|
||||
/* PLL_VCO = (HSE_VALUE, HSI_VALUE or PLL2 / PLL Predivider) * PLL Multiplicator */
|
||||
|
||||
/* Get PLL source */
|
||||
pllsource = LL_RCC_PLL_GetMainSource();
|
||||
|
||||
switch (pllsource)
|
||||
{
|
||||
case LL_RCC_PLLSOURCE_HSI_DIV_2: /* HSI used as PLL clock source */
|
||||
pllinputfreq = HSI_VALUE / 2U;
|
||||
break;
|
||||
|
||||
case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */
|
||||
pllinputfreq = HSE_VALUE / (LL_RCC_PLL_GetPrediv() + 1U);
|
||||
break;
|
||||
|
||||
#if defined(RCC_PLL2_SUPPORT)
|
||||
case LL_RCC_PLLSOURCE_PLL2: /* PLL2 used as PLL clock source */
|
||||
pllinputfreq = RCC_PLL2_GetFreqClockFreq() / (LL_RCC_PLL_GetPrediv() + 1U);
|
||||
break;
|
||||
#endif /* RCC_PLL2_SUPPORT */
|
||||
|
||||
default:
|
||||
pllinputfreq = HSI_VALUE / 2U;
|
||||
break;
|
||||
}
|
||||
return __LL_RCC_CALC_PLLCLK_FREQ(pllinputfreq, LL_RCC_PLL_GetMultiplicator());
|
||||
}
|
||||
|
||||
#if defined(RCC_PLL2_SUPPORT)
|
||||
/**
|
||||
* @brief Return PLL clock frequency used for system domain
|
||||
* @retval PLL clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_PLL2_GetFreqClockFreq(void)
|
||||
{
|
||||
return __LL_RCC_CALC_PLL2CLK_FREQ(HSE_VALUE, LL_RCC_PLL2_GetMultiplicator(), LL_RCC_HSE_GetPrediv2());
|
||||
}
|
||||
#endif /* RCC_PLL2_SUPPORT */
|
||||
|
||||
#if defined(RCC_PLLI2S_SUPPORT)
|
||||
/**
|
||||
* @brief Return PLL clock frequency used for system domain
|
||||
* @retval PLL clock frequency (in Hz)
|
||||
*/
|
||||
uint32_t RCC_PLLI2S_GetFreqDomain_I2S(void)
|
||||
{
|
||||
return __LL_RCC_CALC_PLLI2SCLK_FREQ(HSE_VALUE, LL_RCC_PLLI2S_GetMultiplicator(), LL_RCC_HSE_GetPrediv2());
|
||||
}
|
||||
#endif /* RCC_PLLI2S_SUPPORT */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* defined(RCC) */
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
#endif /* USE_FULL_LL_DRIVER */
|
||||
|
||||
|
|
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