mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

Revision:
156:95d6b41a828b
Child:
180:96ed750bd169
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_usart.c	Mon Jan 16 15:03:32 2017 +0000
@@ -0,0 +1,519 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_ll_usart.c
+  * @author  MCD Application Team
+  * @version V1.4.0
+  * @date    27-May-2016
+  * @brief   USART LL module driver.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_ll_usart.h"
+#include "stm32f0xx_ll_rcc.h"
+#include "stm32f0xx_ll_bus.h"
+#ifdef  USE_FULL_ASSERT
+#include "stm32_assert.h"
+#else
+#define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32F0xx_LL_Driver
+  * @{
+  */
+
+#if defined (USART1) || defined (USART2) || defined (USART3) || defined (USART4) || defined (USART5) || defined (USART6) || defined (USART7) || defined (USART8)
+
+/** @addtogroup USART_LL
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/** @addtogroup USART_LL_Private_Constants
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+
+/* Private macros ------------------------------------------------------------*/
+/** @addtogroup USART_LL_Private_Macros
+  * @{
+  */
+
+/* __BAUDRATE__ The maximum Baud Rate is derived from the maximum clock available
+ *              divided by the smallest oversampling used on the USART (i.e. 8)    */
+#define IS_LL_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) <= 6000000U)
+
+#define IS_LL_USART_DIRECTION(__VALUE__) (((__VALUE__) == LL_USART_DIRECTION_NONE) \
+                                       || ((__VALUE__) == LL_USART_DIRECTION_RX) \
+                                       || ((__VALUE__) == LL_USART_DIRECTION_TX) \
+                                       || ((__VALUE__) == LL_USART_DIRECTION_TX_RX))
+
+#define IS_LL_USART_PARITY(__VALUE__) (((__VALUE__) == LL_USART_PARITY_NONE) \
+                                    || ((__VALUE__) == LL_USART_PARITY_EVEN) \
+                                    || ((__VALUE__) == LL_USART_PARITY_ODD))
+
+#if defined(USART_7BITS_SUPPORT)
+#define IS_LL_USART_DATAWIDTH(__VALUE__) (((__VALUE__) == LL_USART_DATAWIDTH_7B) \
+                                       || ((__VALUE__) == LL_USART_DATAWIDTH_8B) \
+                                       || ((__VALUE__) == LL_USART_DATAWIDTH_9B))
+#else
+#define IS_LL_USART_DATAWIDTH(__VALUE__) (((__VALUE__) == LL_USART_DATAWIDTH_8B) \
+                                       || ((__VALUE__) == LL_USART_DATAWIDTH_9B))
+#endif
+
+#define IS_LL_USART_OVERSAMPLING(__VALUE__) (((__VALUE__) == LL_USART_OVERSAMPLING_16) \
+                                          || ((__VALUE__) == LL_USART_OVERSAMPLING_8))
+
+#define IS_LL_USART_LASTBITCLKOUTPUT(__VALUE__) (((__VALUE__) == LL_USART_LASTCLKPULSE_NO_OUTPUT) \
+                                              || ((__VALUE__) == LL_USART_LASTCLKPULSE_OUTPUT))
+
+#define IS_LL_USART_CLOCKPHASE(__VALUE__) (((__VALUE__) == LL_USART_PHASE_1EDGE) \
+                                        || ((__VALUE__) == LL_USART_PHASE_2EDGE))
+
+#define IS_LL_USART_CLOCKPOLARITY(__VALUE__) (((__VALUE__) == LL_USART_POLARITY_LOW) \
+                                           || ((__VALUE__) == LL_USART_POLARITY_HIGH))
+
+#define IS_LL_USART_CLOCKOUTPUT(__VALUE__) (((__VALUE__) == LL_USART_CLOCK_DISABLE) \
+                                         || ((__VALUE__) == LL_USART_CLOCK_ENABLE))
+
+#if defined(USART_SMARTCARD_SUPPORT)
+#define IS_LL_USART_STOPBITS(__VALUE__) (((__VALUE__) == LL_USART_STOPBITS_0_5) \
+                                      || ((__VALUE__) == LL_USART_STOPBITS_1) \
+                                      || ((__VALUE__) == LL_USART_STOPBITS_1_5) \
+                                      || ((__VALUE__) == LL_USART_STOPBITS_2))
+#else
+#define IS_LL_USART_STOPBITS(__VALUE__) (((__VALUE__) == LL_USART_STOPBITS_1) \
+                                      || ((__VALUE__) == LL_USART_STOPBITS_2))
+#endif
+
+#define IS_LL_USART_HWCONTROL(__VALUE__) (((__VALUE__) == LL_USART_HWCONTROL_NONE) \
+                                       || ((__VALUE__) == LL_USART_HWCONTROL_RTS) \
+                                       || ((__VALUE__) == LL_USART_HWCONTROL_CTS) \
+                                       || ((__VALUE__) == LL_USART_HWCONTROL_RTS_CTS))
+
+/**
+  * @}
+  */
+
+/* Private function prototypes -----------------------------------------------*/
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup USART_LL_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup USART_LL_EF_Init
+  * @{
+  */
+
+/**
+  * @brief  De-initialize USART registers (Registers restored to their default values).
+  * @param  USARTx USART Instance
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: USART registers are de-initialized
+  *          - ERROR: USART registers are not de-initialized
+  */
+ErrorStatus LL_USART_DeInit(USART_TypeDef *USARTx)
+{
+  ErrorStatus status = SUCCESS;
+
+  /* Check the parameters */
+  assert_param(IS_UART_INSTANCE(USARTx));
+
+  if (USARTx == USART1)
+  {
+    /* Force reset of USART clock */
+    LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_USART1);
+
+    /* Release reset of USART clock */
+    LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_USART1);
+  }
+#if defined(USART2)
+  else if (USARTx == USART2)
+  {
+    /* Force reset of USART clock */
+    LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_USART2);
+
+    /* Release reset of USART clock */
+    LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_USART2);
+  }
+#endif /* USART2 */
+#if defined(USART3)
+  else if (USARTx == USART3)
+  {
+    /* Force reset of USART clock */
+    LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_USART3);
+
+    /* Release reset of USART clock */
+    LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_USART3);
+  }
+#endif /* USART3 */
+#if defined(USART4)
+  else if (USARTx == USART4)
+  {
+    /* Force reset of USART clock */
+    LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_USART4);
+
+    /* Release reset of USART clock */
+    LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_USART4);
+  }
+#endif /* USART4 */
+#if defined(USART5)
+  else if (USARTx == USART5)
+  {
+    /* Force reset of USART clock */
+    LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_USART5);
+
+    /* Release reset of USART clock */
+    LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_USART5);
+  }
+#endif /* USART5 */
+#if defined(USART6)
+  else if (USARTx == USART6)
+  {
+    /* Force reset of USART clock */
+    LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_USART6);
+
+    /* Release reset of USART clock */
+    LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_USART6);
+  }
+#endif /* USART6 */
+#if defined(USART7)
+  else if (USARTx == USART7)
+  {
+    /* Force reset of USART clock */
+    LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_USART7);
+
+    /* Release reset of USART clock */
+    LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_USART7);
+  }
+#endif /* USART7 */
+#if defined(USART8)
+  else if (USARTx == USART8)
+  {
+    /* Force reset of USART clock */
+    LL_APB1_GRP2_ForceReset(LL_APB1_GRP2_PERIPH_USART8);
+
+    /* Release reset of USART clock */
+    LL_APB1_GRP2_ReleaseReset(LL_APB1_GRP2_PERIPH_USART8);
+  }
+#endif /* USART8 */
+  else
+  {
+    status = ERROR;
+  }
+
+  return (status);
+}
+
+/**
+  * @brief  Initialize USART registers according to the specified
+  *         parameters in USART_InitStruct.
+  * @note   As some bits in USART configuration registers can only be written when the USART is disabled (USART_CR1_UE bit =0),
+  *         USART IP should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
+  * @note   Baud rate value stored in USART_InitStruct BaudRate field, should be valid (different from 0).
+  * @param  USARTx USART Instance
+  * @param  USART_InitStruct: pointer to a LL_USART_InitTypeDef structure
+  *         that contains the configuration information for the specified USART peripheral.
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: USART registers are initialized according to USART_InitStruct content
+  *          - ERROR: Problem occurred during USART Registers initialization
+  */
+ErrorStatus LL_USART_Init(USART_TypeDef *USARTx, LL_USART_InitTypeDef *USART_InitStruct)
+{
+  ErrorStatus status = ERROR;
+  uint32_t periphclk = LL_RCC_PERIPH_FREQUENCY_NO;
+#if defined(STM32F030x8) || defined(STM32F030xC) || defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F051x8) || defined(STM32F058xx) || defined(STM32F070x6) || defined(STM32F070xB) || defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined(STM32F098xx)
+  LL_RCC_ClocksTypeDef RCC_Clocks;
+#endif
+
+  /* Check the parameters */
+  assert_param(IS_UART_INSTANCE(USARTx));
+  assert_param(IS_LL_USART_BAUDRATE(USART_InitStruct->BaudRate));
+  assert_param(IS_LL_USART_DATAWIDTH(USART_InitStruct->DataWidth));
+  assert_param(IS_LL_USART_STOPBITS(USART_InitStruct->StopBits));
+  assert_param(IS_LL_USART_PARITY(USART_InitStruct->Parity));
+  assert_param(IS_LL_USART_DIRECTION(USART_InitStruct->TransferDirection));
+  assert_param(IS_LL_USART_HWCONTROL(USART_InitStruct->HardwareFlowControl));
+  assert_param(IS_LL_USART_OVERSAMPLING(USART_InitStruct->OverSampling));
+
+  /* USART needs to be in disabled state, in order to be able to configure some bits in
+     CRx registers */
+  if (LL_USART_IsEnabled(USARTx) == 0U)
+  {
+    /*---------------------------- USART CR1 Configuration -----------------------
+     * Configure USARTx CR1 (USART Word Length, Parity, Mode and Oversampling bits) with parameters:
+     * - DataWidth:          USART_CR1_M bits according to USART_InitStruct->DataWidth value
+     * - Parity:             USART_CR1_PCE, USART_CR1_PS bits according to USART_InitStruct->Parity value
+     * - TransferDirection:  USART_CR1_TE, USART_CR1_RE bits according to USART_InitStruct->TransferDirection value
+     * - Oversampling:       USART_CR1_OVER8 bit according to USART_InitStruct->OverSampling value.
+     */
+    MODIFY_REG(USARTx->CR1,
+               (USART_CR1_M | USART_CR1_PCE | USART_CR1_PS |
+                USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8),
+               (USART_InitStruct->DataWidth | USART_InitStruct->Parity |
+                USART_InitStruct->TransferDirection | USART_InitStruct->OverSampling));
+
+    /*---------------------------- USART CR2 Configuration -----------------------
+     * Configure USARTx CR2 (Stop bits) with parameters:
+     * - Stop Bits:          USART_CR2_STOP bits according to USART_InitStruct->StopBits value.
+     * - CLKEN, CPOL, CPHA and LBCL bits are to be configured using LL_USART_ClockInit().
+     */
+    LL_USART_SetStopBitsLength(USARTx, USART_InitStruct->StopBits);
+
+    /*---------------------------- USART CR3 Configuration -----------------------
+     * Configure USARTx CR3 (Hardware Flow Control) with parameters:
+     * - HardwareFlowControl: USART_CR3_RTSE, USART_CR3_CTSE bits according to USART_InitStruct->HardwareFlowControl value.
+     */
+    LL_USART_SetHWFlowCtrl(USARTx, USART_InitStruct->HardwareFlowControl);
+
+    /*---------------------------- USART BRR Configuration -----------------------
+     * Retrieve Clock frequency used for USART Peripheral
+     */
+    if (USARTx == USART1)
+    {
+      periphclk = LL_RCC_GetUSARTClockFreq(LL_RCC_USART1_CLKSOURCE);
+    }
+#if defined(USART2)
+    else if (USARTx == USART2)
+    {
+#if defined (RCC_CFGR3_USART2SW)
+      periphclk = LL_RCC_GetUSARTClockFreq(LL_RCC_USART2_CLKSOURCE);
+#else
+      /* USART2 clock is PCLK */
+      LL_RCC_GetSystemClocksFreq(&RCC_Clocks);
+      periphclk = RCC_Clocks.PCLK1_Frequency;
+#endif
+    }
+#endif /* USART2 */
+#if defined(USART3)
+    else if (USARTx == USART3)
+    {
+#if defined (RCC_CFGR3_USART3SW)
+      periphclk = LL_RCC_GetUSARTClockFreq(LL_RCC_USART3_CLKSOURCE);
+#else
+      /* USART3 clock is PCLK */
+      LL_RCC_GetSystemClocksFreq(&RCC_Clocks);
+      periphclk = RCC_Clocks.PCLK1_Frequency;
+#endif
+    }
+#endif /* USART3 */
+#if defined(USART4)
+    else if (USARTx == USART4)
+    {
+      /* USART4 clock is PCLK */
+      LL_RCC_GetSystemClocksFreq(&RCC_Clocks);
+      periphclk = RCC_Clocks.PCLK1_Frequency;
+    }
+#endif /* USART4 */
+#if defined(USART5)
+    else if (USARTx == USART5)
+    {
+      /* USART5 clock is PCLK */
+      LL_RCC_GetSystemClocksFreq(&RCC_Clocks);
+      periphclk = RCC_Clocks.PCLK1_Frequency;
+    }
+#endif /* USART5 */
+#if defined(USART6)
+    else if (USARTx == USART6)
+    {
+      /* USART6 clock is PCLK */
+      LL_RCC_GetSystemClocksFreq(&RCC_Clocks);
+      periphclk = RCC_Clocks.PCLK1_Frequency;
+    }
+#endif /* USART6 */
+#if defined(USART7)
+    else if (USARTx == USART7)
+    {
+      /* USART7 clock is PCLK */
+      LL_RCC_GetSystemClocksFreq(&RCC_Clocks);
+      periphclk = RCC_Clocks.PCLK1_Frequency;
+    }
+#endif /* USART7 */
+#if defined(USART8)
+    else if (USARTx == USART8)
+    {
+      /* USART8 clock is PCLK */
+      LL_RCC_GetSystemClocksFreq(&RCC_Clocks);
+      periphclk = RCC_Clocks.PCLK1_Frequency;
+    }
+#endif /* USART8 */
+    else
+    {
+      /* Nothing to do, as error code is already assigned to ERROR value */
+    }
+
+    /* Configure the USART Baud Rate :
+       - valid baud rate value (different from 0) is required
+       - Peripheral clock as returned by RCC service, should be valid (different from 0).
+    */
+    if ((periphclk != LL_RCC_PERIPH_FREQUENCY_NO)
+        && (USART_InitStruct->BaudRate != 0U))
+    {
+      status = SUCCESS;
+      LL_USART_SetBaudRate(USARTx,
+                           periphclk,
+                           USART_InitStruct->OverSampling,
+                           USART_InitStruct->BaudRate);
+    }
+  }
+  /* Endif (=> USART not in Disabled state => return ERROR) */
+
+  return (status);
+}
+
+/**
+  * @brief Set each @ref LL_USART_InitTypeDef field to default value.
+  * @param USART_InitStruct: pointer to a @ref LL_USART_InitTypeDef structure
+  *                          whose fields will be set to default values.
+  * @retval None
+  */
+
+void LL_USART_StructInit(LL_USART_InitTypeDef *USART_InitStruct)
+{
+  /* Set USART_InitStruct fields to default values */
+  USART_InitStruct->BaudRate            = 9600U;
+  USART_InitStruct->DataWidth           = LL_USART_DATAWIDTH_8B;
+  USART_InitStruct->StopBits            = LL_USART_STOPBITS_1;
+  USART_InitStruct->Parity              = LL_USART_PARITY_NONE ;
+  USART_InitStruct->TransferDirection   = LL_USART_DIRECTION_TX_RX;
+  USART_InitStruct->HardwareFlowControl = LL_USART_HWCONTROL_NONE;
+  USART_InitStruct->OverSampling        = LL_USART_OVERSAMPLING_16;
+}
+
+/**
+  * @brief  Initialize USART Clock related settings according to the
+  *         specified parameters in the USART_ClockInitStruct.
+  * @note   As some bits in USART configuration registers can only be written when the USART is disabled (USART_CR1_UE bit =0),
+  *         USART IP should be in disabled state prior calling this function. Otherwise, ERROR result will be returned.
+  * @param  USARTx USART Instance
+  * @param  USART_ClockInitStruct: pointer to a @ref LL_USART_ClockInitTypeDef structure
+  *         that contains the Clock configuration information for the specified USART peripheral.
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: USART registers related to Clock settings are initialized according to USART_ClockInitStruct content
+  *          - ERROR: Problem occurred during USART Registers initialization
+  */
+ErrorStatus LL_USART_ClockInit(USART_TypeDef *USARTx, LL_USART_ClockInitTypeDef *USART_ClockInitStruct)
+{
+  ErrorStatus status = SUCCESS;
+
+  /* Check USART Instance and Clock signal output parameters */
+  assert_param(IS_UART_INSTANCE(USARTx));
+  assert_param(IS_LL_USART_CLOCKOUTPUT(USART_ClockInitStruct->ClockOutput));
+
+  /* USART needs to be in disabled state, in order to be able to configure some bits in
+     CRx registers */
+  if (LL_USART_IsEnabled(USARTx) == 0U)
+  {
+    /*---------------------------- USART CR2 Configuration -----------------------*/
+    /* If Clock signal has to be output */
+    if (USART_ClockInitStruct->ClockOutput == LL_USART_CLOCK_DISABLE)
+    {
+      /* Deactivate Clock signal delivery :
+       * - Disable Clock Output:        USART_CR2_CLKEN cleared
+       */
+      LL_USART_DisableSCLKOutput(USARTx);
+    }
+    else
+    {
+      /* Ensure USART instance is USART capable */
+      assert_param(IS_USART_INSTANCE(USARTx));
+
+      /* Check clock related parameters */
+      assert_param(IS_LL_USART_CLOCKPOLARITY(USART_ClockInitStruct->ClockPolarity));
+      assert_param(IS_LL_USART_CLOCKPHASE(USART_ClockInitStruct->ClockPhase));
+      assert_param(IS_LL_USART_LASTBITCLKOUTPUT(USART_ClockInitStruct->LastBitClockPulse));
+
+      /*---------------------------- USART CR2 Configuration -----------------------
+       * Configure USARTx CR2 (Clock signal related bits) with parameters:
+       * - Enable Clock Output:         USART_CR2_CLKEN set
+       * - Clock Polarity:              USART_CR2_CPOL bit according to USART_ClockInitStruct->ClockPolarity value
+       * - Clock Phase:                 USART_CR2_CPHA bit according to USART_ClockInitStruct->ClockPhase value
+       * - Last Bit Clock Pulse Output: USART_CR2_LBCL bit according to USART_ClockInitStruct->LastBitClockPulse value.
+       */
+      MODIFY_REG(USARTx->CR2,
+                 USART_CR2_CLKEN | USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_LBCL,
+                 USART_CR2_CLKEN | USART_ClockInitStruct->ClockPolarity |
+                 USART_ClockInitStruct->ClockPhase | USART_ClockInitStruct->LastBitClockPulse);
+    }
+  }
+  /* Else (USART not in Disabled state => return ERROR */
+  else
+  {
+    status = ERROR;
+  }
+
+  return (status);
+}
+
+/**
+  * @brief Set each field of a @ref LL_USART_ClockInitTypeDef type structure to default value.
+  * @param USART_ClockInitStruct: pointer to a @ref LL_USART_ClockInitTypeDef structure
+  *                               whose fields will be set to default values.
+  * @retval None
+  */
+void LL_USART_ClockStructInit(LL_USART_ClockInitTypeDef *USART_ClockInitStruct)
+{
+  /* Set LL_USART_ClockInitStruct fields with default values */
+  USART_ClockInitStruct->ClockOutput       = LL_USART_CLOCK_DISABLE;
+  USART_ClockInitStruct->ClockPolarity     = LL_USART_POLARITY_LOW;            /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
+  USART_ClockInitStruct->ClockPhase        = LL_USART_PHASE_1EDGE;             /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
+  USART_ClockInitStruct->LastBitClockPulse = LL_USART_LASTCLKPULSE_NO_OUTPUT;  /* Not relevant when ClockOutput = LL_USART_CLOCK_DISABLE */
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* USART1 || USART2|| USART3 || USART4 || USART5 || USART6 || USART7 || USART8 */
+
+/**
+  * @}
+  */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+