mbed library sources

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Revision:
76:aeb1df146756
Child:
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/stm32l1xx_tim.c	Mon Jan 27 14:30:07 2014 +0000
@@ -0,0 +1,2843 @@
+/**
+  ******************************************************************************
+  * @file    stm32l1xx_tim.c
+  * @author  MCD Application Team
+  * @version V1.2.0
+  * @date    22-February-2013
+  * @brief   This file provides firmware functions to manage the following 
+  *          functionalities of the TIM peripheral:
+  *            + TimeBase management
+  *            + Output Compare management
+  *            + Input Capture management
+  *            + Interrupts, DMA and flags management
+  *            + Clocks management
+  *            + Synchronization management
+  *            + Specific interface management
+  *            + Specific remapping management      
+  *              
+*  @verbatim
+  
+ ===============================================================================
+                    ##### How to use this driver #####
+ ===============================================================================
+    [..] This driver provides functions to configure and program the TIM 
+         of all STM32L1xx devices These functions are split in 8 groups: 
+         (#) TIM TimeBase management: this group includes all needed functions 
+             to configure the TM Timebase unit:
+             (++) Set/Get Prescaler.
+             (++) Set/Get Autoreload.
+             (++) Counter modes configuration.
+             (++) Set Clock division.
+             (++) Select the One Pulse mode.
+             (++) Update Request Configuration.
+             (++) Update Disable Configuration.
+             (++) Auto-Preload Configuration.
+             (++) Enable/Disable the counter.
+  
+         (#) TIM Output Compare management: this group includes all needed 
+             functions to configure the Capture/Compare unit used in Output 
+             compare mode: 
+             (++) Configure each channel, independently, in Output Compare mode.
+             (++) Select the output compare modes.
+             (++) Select the Polarities of each channel.
+             (++) Set/Get the Capture/Compare register values.
+             (++) Select the Output Compare Fast mode. 
+             (++) Select the Output Compare Forced mode.  
+             (++) Output Compare-Preload Configuration. 
+             (++) Clear Output Compare Reference.
+             (++) Select the OCREF Clear signal.
+             (++) Enable/Disable the Capture/Compare Channels.    
+  
+         (#) TIM Input Capture management: this group includes all needed 
+             functions to configure the Capture/Compare unit used in 
+             Input Capture mode:
+             (++) Configure each channel in input capture mode.
+             (++) Configure Channel1/2 in PWM Input mode.
+             (++) Set the Input Capture Prescaler.
+             (++) Get the Capture/Compare values.      
+  
+         (#) TIM interrupts, DMA and flags management.
+             (++) Enable/Disable interrupt sources.
+             (++) Get flags status.
+             (++) Clear flags/ Pending bits.
+             (++) Enable/Disable DMA requests. 
+             (++) Configure DMA burst mode.
+             (++) Select CaptureCompare DMA request.  
+  
+         (#) TIM clocks management: this group includes all needed functions 
+             to configure the clock controller unit:
+             (++) Select internal/External clock.
+             (++) Select the external clock mode: ETR(Mode1/Mode2), TIx or ITRx.
+  
+         (#) TIM synchronization management: this group includes all needed. 
+             functions to configure the Synchronization unit:
+             (++) Select Input Trigger.  
+             (++) Select Output Trigger.  
+             (++) Select Master Slave Mode. 
+             (++) ETR Configuration when used as external trigger.   
+  
+         (#) TIM specific interface management, this group includes all 
+             needed functions to use the specific TIM interface:
+             (++) Encoder Interface Configuration.
+             (++) Select Hall Sensor.   
+  
+         (#) TIM specific remapping management includes the Remapping 
+             configuration of specific timers
+  
+@endverbatim
+  
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
+  *
+  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+  * You may not use this file except in compliance with the License.
+  * You may obtain a copy of the License at:
+  *
+  *        http://www.st.com/software_license_agreement_liberty_v2
+  *
+  * Unless required by applicable law or agreed to in writing, software 
+  * distributed under the License is distributed on an "AS IS" BASIS, 
+  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  * See the License for the specific language governing permissions and
+  * limitations under the License.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l1xx_tim.h"
+#include "stm32l1xx_rcc.h"
+
+/** @addtogroup STM32L1xx_StdPeriph_Driver
+  * @{
+  */
+
+/** @defgroup TIM 
+  * @brief TIM driver modules
+  * @{
+  */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+
+/* ---------------------- TIM registers bit mask ------------------------ */
+#define SMCR_ETR_MASK               ((uint16_t)0x00FF) 
+#define CCMR_OFFSET                 ((uint16_t)0x0018)
+#define CCER_CCE_SET                ((uint16_t)0x0001)  
+  
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+
+static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+                       uint16_t TIM_ICFilter);
+static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+                       uint16_t TIM_ICFilter);
+static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+                       uint16_t TIM_ICFilter);
+static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+                       uint16_t TIM_ICFilter);
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup TIM_Private_Functions
+  * @{
+  */
+
+/** @defgroup TIM_Group1 TimeBase management functions
+ *  @brief   TimeBase management functions 
+ *
+@verbatim
+ ===============================================================================
+                 ##### TimeBase management functions #####
+ ===============================================================================
+  
+        *** TIM Driver: how to use it in Timing(Time base) Mode ***
+ ===============================================================================
+    [..] To use the Timer in Timing(Time base) mode, the following steps are 
+         mandatory:
+         (#) Enable TIM clock using 
+             RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE) function.
+         (#) Fill the TIM_TimeBaseInitStruct with the desired parameters.
+         (#) Call TIM_TimeBaseInit(TIMx, &TIM_TimeBaseInitStruct) to configure 
+             the Time Base unit with the corresponding configuration.
+         (#) Enable the NVIC if you need to generate the update interrupt. 
+         (#) Enable the corresponding interrupt using the function 
+             TIM_ITConfig(TIMx, TIM_IT_Update). 
+         (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+    [..]
+        (@) All other functions can be used seperatly to modify, if needed,
+            a specific feature of the Timer. 
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Deinitializes the TIMx peripheral registers to their default reset values.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @retval None
+  *   
+  */
+void TIM_DeInit(TIM_TypeDef* TIMx)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx)); 
+   
+  if (TIMx == TIM2)
+  {
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM2, ENABLE);
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM2, DISABLE);
+  }
+  else if (TIMx == TIM3)
+  {
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM3, ENABLE);
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM3, DISABLE);
+  }
+  else if (TIMx == TIM4)
+  {
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM4, ENABLE);
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM4, DISABLE);
+  } 
+  else if (TIMx == TIM5)
+  {
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM5, ENABLE);
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM5, DISABLE);
+  } 
+  else if (TIMx == TIM6)
+  {
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM6, ENABLE);
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM6, DISABLE);
+  } 
+  else if (TIMx == TIM7)
+  {
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM7, ENABLE);
+    RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM7, DISABLE);
+  } 
+
+  else if (TIMx == TIM9)
+  {
+    RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM9, ENABLE);
+    RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM9, DISABLE);
+  } 
+  else if (TIMx == TIM10)
+  {
+    RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM10, ENABLE);
+    RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM10, DISABLE);
+  } 
+  else
+  {
+    if (TIMx == TIM11)
+    {
+      RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM11, ENABLE);
+      RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM11, DISABLE); 
+    }  
+  }
+     
+}
+
+/**
+  * @brief  Initializes the TIMx Time Base Unit peripheral according to 
+  *         the specified parameters in the TIM_TimeBaseInitStruct.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  TIM_TimeBaseInitStruct: pointer to a TIM_TimeBaseInitTypeDef
+  *         structure that contains the configuration information for
+  *         the specified TIM peripheral.
+  * @retval None
+  */
+void TIM_TimeBaseInit(TIM_TypeDef* TIMx, TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct)
+{
+  uint16_t tmpcr1 = 0;
+
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx)); 
+  assert_param(IS_TIM_COUNTER_MODE(TIM_TimeBaseInitStruct->TIM_CounterMode));
+  assert_param(IS_TIM_CKD_DIV(TIM_TimeBaseInitStruct->TIM_ClockDivision));
+
+  tmpcr1 = TIMx->CR1;  
+
+  if(((TIMx) == TIM2) || ((TIMx) == TIM3) || ((TIMx) == TIM4) || ((TIMx) == TIM5))
+  {											
+    /* Select the Counter Mode */
+    tmpcr1 &= (uint16_t)(~((uint16_t)(TIM_CR1_DIR | TIM_CR1_CMS)));
+    tmpcr1 |= (uint32_t)TIM_TimeBaseInitStruct->TIM_CounterMode;
+  }
+ 
+  if(((TIMx) != TIM6) && ((TIMx) != TIM7))
+  {
+    /* Set the clock division */
+    tmpcr1 &= (uint16_t)(~((uint16_t)TIM_CR1_CKD));
+    tmpcr1 |= (uint32_t)TIM_TimeBaseInitStruct->TIM_ClockDivision;
+  }
+
+  TIMx->CR1 = tmpcr1;
+
+  /* Set the Autoreload value */
+  TIMx->ARR = TIM_TimeBaseInitStruct->TIM_Period ;
+ 
+  /* Set the Prescaler value */
+  TIMx->PSC = TIM_TimeBaseInitStruct->TIM_Prescaler;
+    
+  /* Generate an update event to reload the Prescaler value immediatly */
+  TIMx->EGR = TIM_PSCReloadMode_Immediate;          
+}
+
+/**
+  * @brief  Fills each TIM_TimeBaseInitStruct member with its default value.
+  * @param  TIM_TimeBaseInitStruct : pointer to a TIM_TimeBaseInitTypeDef
+  *         structure which will be initialized.
+  * @retval None
+  */
+void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct)
+{
+  /* Set the default configuration */
+  TIM_TimeBaseInitStruct->TIM_Period = 0xFFFFFFFF;
+  TIM_TimeBaseInitStruct->TIM_Prescaler = 0x0000;
+  TIM_TimeBaseInitStruct->TIM_ClockDivision = TIM_CKD_DIV1;
+  TIM_TimeBaseInitStruct->TIM_CounterMode = TIM_CounterMode_Up;
+}
+
+/**
+  * @brief  Configures the TIMx Prescaler.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  Prescaler: specifies the Prescaler Register value.
+  * @param  TIM_PSCReloadMode: specifies the TIM Prescaler Reload mode
+  *   This parameter can be one of the following values:
+  *     @arg TIM_PSCReloadMode_Update: The Prescaler is loaded at the update event.
+  *     @arg TIM_PSCReloadMode_Immediate: The Prescaler is loaded immediatly.
+  * @retval None
+  */
+void TIM_PrescalerConfig(TIM_TypeDef* TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_PRESCALER_RELOAD(TIM_PSCReloadMode));
+  
+  /* Set the Prescaler value */
+  TIMx->PSC = Prescaler;
+  /* Set or reset the UG Bit */
+  TIMx->EGR = TIM_PSCReloadMode;
+}
+
+/**
+  * @brief  Specifies the TIMx Counter Mode to be used.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_CounterMode: specifies the Counter Mode to be used
+  *   This parameter can be one of the following values:
+  *     @arg TIM_CounterMode_Up: TIM Up Counting Mode.
+  *     @arg TIM_CounterMode_Down: TIM Down Counting Mode.
+  *     @arg TIM_CounterMode_CenterAligned1: TIM Center Aligned Mode1.
+  *     @arg TIM_CounterMode_CenterAligned2: TIM Center Aligned Mode2.
+  *     @arg TIM_CounterMode_CenterAligned3: TIM Center Aligned Mode3.
+  * @retval None
+  */
+void TIM_CounterModeConfig(TIM_TypeDef* TIMx, uint16_t TIM_CounterMode)
+{
+  uint16_t tmpcr1 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_COUNTER_MODE(TIM_CounterMode));
+  
+  tmpcr1 = TIMx->CR1;
+  /* Reset the CMS and DIR Bits */
+  tmpcr1 &= (uint16_t)(~((uint16_t)(TIM_CR1_DIR | TIM_CR1_CMS)));
+  /* Set the Counter Mode */
+  tmpcr1 |= TIM_CounterMode;
+  /* Write to TIMx CR1 register */
+  TIMx->CR1 = tmpcr1;
+}
+
+/**
+  * @brief  Sets the TIMx Counter Register value
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  Counter: specifies the Counter register new value.
+  * @retval None
+  */
+void TIM_SetCounter(TIM_TypeDef* TIMx, uint32_t Counter)
+{
+  /* Check the parameters */
+   assert_param(IS_TIM_ALL_PERIPH(TIMx));
+   
+  /* Set the Counter Register value */
+  TIMx->CNT = Counter;
+}
+
+/**
+  * @brief  Sets the TIMx Autoreload Register value
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  Autoreload: specifies the Autoreload register new value.
+  * @retval None
+  */
+void TIM_SetAutoreload(TIM_TypeDef* TIMx, uint32_t Autoreload)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  
+  /* Set the Autoreload Register value */
+  TIMx->ARR = Autoreload;
+}
+
+/**
+  * @brief  Gets the TIMx Counter value.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @retval Counter Register value.
+  */
+uint32_t TIM_GetCounter(TIM_TypeDef* TIMx)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  
+  /* Get the Counter Register value */
+  return TIMx->CNT;
+}
+
+/**
+  * @brief  Gets the TIMx Prescaler value.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @retval Prescaler Register value.
+  */
+uint16_t TIM_GetPrescaler(TIM_TypeDef* TIMx)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  
+  /* Get the Prescaler Register value */
+  return TIMx->PSC;
+}
+
+/**
+  * @brief  Enables or Disables the TIMx Update event.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  NewState: new state of the TIMx UDIS bit
+  *   This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void TIM_UpdateDisableConfig(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  
+  if (NewState != DISABLE)
+  {
+    /* Set the Update Disable Bit */
+    TIMx->CR1 |= TIM_CR1_UDIS;
+  }
+  else
+  {
+    /* Reset the Update Disable Bit */
+    TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_UDIS);
+  }
+}
+
+/**
+  * @brief  Configures the TIMx Update Request Interrupt source.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  TIM_UpdateSource: specifies the Update source.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_UpdateSource_Global: Source of update is the counter overflow/underflow
+                                       or the setting of UG bit, or an update generation
+                                       through the slave mode controller.
+  *     @arg TIM_UpdateSource_Regular: Source of update is counter overflow/underflow.
+  * @retval None
+  */
+void TIM_UpdateRequestConfig(TIM_TypeDef* TIMx, uint16_t TIM_UpdateSource)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_UPDATE_SOURCE(TIM_UpdateSource));
+  
+  if (TIM_UpdateSource != TIM_UpdateSource_Global)
+  {
+    /* Set the URS Bit */
+    TIMx->CR1 |= TIM_CR1_URS;
+  }
+  else
+  {
+    /* Reset the URS Bit */
+    TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_URS);
+  }
+}
+
+/**
+  * @brief  Enables or disables TIMx peripheral Preload register on ARR.
+  * @param  TIMx: where x can be  2 to 11 to select the TIM peripheral.
+  * @param  NewState: new state of the TIMx peripheral Preload register
+  *   This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void TIM_ARRPreloadConfig(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  
+  if (NewState != DISABLE)
+  {
+    /* Set the ARR Preload Bit */
+    TIMx->CR1 |= TIM_CR1_ARPE;
+  }
+  else
+  {
+    /* Reset the ARR Preload Bit */
+    TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_ARPE);
+  }
+}
+
+/**
+  * @brief  Selects the TIMx's One Pulse Mode.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  TIM_OPMode: specifies the OPM Mode to be used.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OPMode_Single:: TIM One Pulse Single Mode (Counter stops counting 
+  *                              at the next update event (clearing the bit CEN)).
+  *     @arg TIM_OPMode_Repetitive: TIM One Pulse Repetitive Mode 
+  *                                 (Counter is not stopped at update event).
+  * @retval None
+  */
+void TIM_SelectOnePulseMode(TIM_TypeDef* TIMx, uint16_t TIM_OPMode)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_OPM_MODE(TIM_OPMode));
+  
+  /* Reset the OPM Bit */
+  TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_OPM);
+  /* Configure the OPM Mode */
+  TIMx->CR1 |= TIM_OPMode;
+}
+
+/**
+  * @brief  Sets the TIMx Clock Division value.
+  * @param  TIMx: where x can be  2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_CKD: specifies the clock division value.
+  *   This parameter can be one of the following value:
+  *     @arg TIM_CKD_DIV1: TDTS = Tck_tim.
+  *     @arg TIM_CKD_DIV2: TDTS = 2*Tck_tim.
+  *     @arg TIM_CKD_DIV4: TDTS = 4*Tck_tim.
+  * @retval None
+  */
+void TIM_SetClockDivision(TIM_TypeDef* TIMx, uint16_t TIM_CKD)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_CKD_DIV(TIM_CKD));
+  
+  /* Reset the CKD Bits */
+  TIMx->CR1 &= (uint16_t)~((uint16_t)TIM_CR1_CKD);
+  /* Set the CKD value */
+  TIMx->CR1 |= TIM_CKD;
+}
+
+/**
+  * @brief  Enables or disables the specified TIM peripheral.
+  * @param  TIMx: where x can be 2 to 11 to select the TIMx peripheral.
+  * @param  NewState: new state of the TIMx peripheral.
+  *         This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx)); 
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  
+  if (NewState != DISABLE)
+  {
+    /* Enable the TIM Counter */
+    TIMx->CR1 |= TIM_CR1_CEN;
+  }
+  else
+  {
+    /* Disable the TIM Counter */
+    TIMx->CR1 &= (uint16_t)(~((uint16_t)TIM_CR1_CEN));
+  }
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup TIM_Group2 Output Compare management functions
+ *  @brief    Output Compare management functions 
+ *
+@verbatim
+ ===============================================================================
+                ##### Output Compare management functions #####
+ ===============================================================================
+        *** TIM Driver: how to use it in Output Compare Mode ***
+ ===============================================================================
+    [..] To use the Timer in Output Compare mode, the following steps are mandatory:
+         (#) Enable TIM clock using 
+             RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE) function.
+         (#) Configure the TIM pins by configuring the corresponding GPIO pins
+         (#) Configure the Time base unit as described in the first part of this 
+             driver, if needed, else the Timer will run with the default 
+             configuration:
+             (++) Autoreload value = 0xFFFF.
+             (++) Prescaler value = 0x0000.
+             (++) Counter mode = Up counting.
+             (++) Clock Division = TIM_CKD_DIV1.
+         (#) Fill the TIM_OCInitStruct with the desired parameters including:
+             (++) The TIM Output Compare mode: TIM_OCMode.
+             (++) TIM Output State: TIM_OutputState.
+             (++) TIM Pulse value: TIM_Pulse.
+             (++) TIM Output Compare Polarity : TIM_OCPolarity.
+         (#) Call TIM_OCxInit(TIMx, &TIM_OCInitStruct) to configure the desired 
+             channel with the corresponding configuration.
+         (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+    [..]
+        (@) All other functions can be used separately to modify, if needed,
+          a specific feature of the Timer.
+        (@) In case of PWM mode, this function is mandatory:
+            TIM_OCxPreloadConfig(TIMx, TIM_OCPreload_ENABLE).
+        (@) If the corresponding interrupt or DMA request are needed, the user should:
+            (#@) Enable the NVIC (or the DMA) to use the TIM interrupts (or DMA requests).
+            (#@) Enable the corresponding interrupt (or DMA request) using the function
+                 TIM_ITConfig(TIMx, TIM_IT_CCx) (or TIM_DMA_Cmd(TIMx, TIM_DMA_CCx)).
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Initializes the TIMx Channel1 according to the specified
+  *         parameters in the TIM_OCInitStruct.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+  *         that contains the configuration information for the specified TIM 
+  *         peripheral.
+  * @retval None
+  */
+void TIM_OC1Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+  uint16_t tmpccmrx = 0, tmpccer = 0;
+   
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+  assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+  assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));   
+  /* Disable the Channel 1: Reset the CC1E Bit */
+  TIMx->CCER &= (uint16_t)(~(uint16_t)TIM_CCER_CC1E);
+  
+  /* Get the TIMx CCER register value */
+  tmpccer = TIMx->CCER;
+  
+  /* Get the TIMx CCMR1 register value */
+  tmpccmrx = TIMx->CCMR1;
+    
+  /* Reset the Output Compare Mode Bits */
+  tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_OC1M));
+  tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_CC1S));
+  
+  /* Select the Output Compare Mode */
+  tmpccmrx |= TIM_OCInitStruct->TIM_OCMode;
+  
+  /* Reset the Output Polarity level */
+  tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC1P));
+  /* Set the Output Compare Polarity */
+  tmpccer |= TIM_OCInitStruct->TIM_OCPolarity;
+  
+  /* Set the Output State */
+  tmpccer |= TIM_OCInitStruct->TIM_OutputState;
+  
+  /* Set the Capture Compare Register value */
+  TIMx->CCR1 = TIM_OCInitStruct->TIM_Pulse;
+  
+  /* Write to TIMx CCMR1 */
+  TIMx->CCMR1 = tmpccmrx;
+  
+  /* Write to TIMx CCER */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Initializes the TIMx Channel2 according to the specified
+  *         parameters in the TIM_OCInitStruct.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+  *         that contains the configuration information for the specified TIM 
+  *         peripheral.
+  * @retval None
+  */
+void TIM_OC2Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+  uint16_t tmpccmrx = 0, tmpccer = 0;
+   
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx)); 
+  assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+  assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+  assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));   
+  /* Disable the Channel 2: Reset the CC2E Bit */
+  TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC2E));
+  
+  /* Get the TIMx CCER register value */  
+  tmpccer = TIMx->CCER;
+  
+  /* Get the TIMx CCMR1 register value */
+  tmpccmrx = TIMx->CCMR1;
+    
+  /* Reset the Output Compare Mode Bits */
+  tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR1_OC2M));
+  
+  /* Select the Output Compare Mode */
+  tmpccmrx |= (uint16_t)(TIM_OCInitStruct->TIM_OCMode << 8);
+  
+  /* Reset the Output Polarity level */
+  tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC2P));
+  /* Set the Output Compare Polarity */
+  tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 4);
+  
+  /* Set the Output State */
+  tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 4);
+  
+  /* Set the Capture Compare Register value */
+  TIMx->CCR2 = TIM_OCInitStruct->TIM_Pulse;
+    
+  /* Write to TIMx CCMR1 */
+  TIMx->CCMR1 = tmpccmrx;
+  
+  /* Write to TIMx CCER */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Initializes the TIMx Channel3 according to the specified
+  *         parameters in the TIM_OCInitStruct.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+  *         that contains the configuration information for the specified TIM 
+  *         peripheral.
+  * @retval None
+  */
+void TIM_OC3Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+  uint16_t tmpccmrx = 0, tmpccer = 0;
+   
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+  assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+  assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));   
+
+  /* Disable the Channel 2: Reset the CC2E Bit */
+  TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC3E));
+  
+  /* Get the TIMx CCER register value */
+  tmpccer = TIMx->CCER;
+  
+  /* Get the TIMx CCMR2 register value */
+  tmpccmrx = TIMx->CCMR2;
+    
+  /* Reset the Output Compare Mode Bits */
+  tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_OC3M));
+  
+  /* Select the Output Compare Mode */
+  tmpccmrx |= TIM_OCInitStruct->TIM_OCMode;
+  
+  /* Reset the Output Polarity level */
+  tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC3P));
+  /* Set the Output Compare Polarity */
+  tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 8);
+  
+  /* Set the Output State */
+  tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 8);
+  
+  /* Set the Capture Compare Register value */
+  TIMx->CCR3 = TIM_OCInitStruct->TIM_Pulse;
+  
+  /* Write to TIMx CCMR2 */
+  TIMx->CCMR2 = tmpccmrx;
+  
+  /* Write to TIMx CCER */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Initializes the TIMx Channel4 according to the specified
+  *         parameters in the TIM_OCInitStruct.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure
+  *         that contains the configuration information for the specified TIM 
+  *         peripheral.
+  * @retval None
+  */
+void TIM_OC4Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+  uint16_t tmpccmrx = 0, tmpccer = 0;
+   
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx)); 
+  assert_param(IS_TIM_OC_MODE(TIM_OCInitStruct->TIM_OCMode));
+  assert_param(IS_TIM_OUTPUT_STATE(TIM_OCInitStruct->TIM_OutputState));
+  assert_param(IS_TIM_OC_POLARITY(TIM_OCInitStruct->TIM_OCPolarity));   
+
+  /* Disable the Channel 2: Reset the CC4E Bit */
+  TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CCER_CC4E));
+  
+  /* Get the TIMx CCER register value */
+  tmpccer = TIMx->CCER;
+  
+  /* Get the TIMx CCMR2 register value */
+  tmpccmrx = TIMx->CCMR2;
+    
+  /* Reset the Output Compare Mode Bits */
+  tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CCMR2_OC4M));
+  
+  /* Select the Output Compare Mode */
+  tmpccmrx |= (uint16_t)(TIM_OCInitStruct->TIM_OCMode << 8);
+  
+  /* Reset the Output Polarity level */
+  tmpccer &= (uint16_t)(~((uint16_t)TIM_CCER_CC4P));
+  /* Set the Output Compare Polarity */
+  tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 12);
+  
+  /* Set the Output State */
+  tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 12);
+  
+  /* Set the Capture Compare Register value */
+  TIMx->CCR4 = TIM_OCInitStruct->TIM_Pulse;
+  
+  /* Write to TIMx CCMR2 */  
+  TIMx->CCMR2 = tmpccmrx;
+  
+  /* Write to TIMx CCER */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Fills each TIM_OCInitStruct member with its default value.
+  * @param  TIM_OCInitStruct : pointer to a TIM_OCInitTypeDef structure which will
+  *         be initialized.
+  * @retval None
+  */
+void TIM_OCStructInit(TIM_OCInitTypeDef* TIM_OCInitStruct)
+{
+  /* Set the default configuration */
+  TIM_OCInitStruct->TIM_OCMode = TIM_OCMode_Timing;
+  TIM_OCInitStruct->TIM_OutputState = TIM_OutputState_Disable;
+  TIM_OCInitStruct->TIM_Pulse = 0x0000;
+  TIM_OCInitStruct->TIM_OCPolarity = TIM_OCPolarity_High;
+}
+
+/**
+  * @brief  Selects the TIM Output Compare Mode.
+  * @note   This function disables the selected channel before changing the Output
+  *         Compare Mode.
+  *         User has to enable this channel using TIM_CCxCmd and TIM_CCxNCmd functions.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_Channel: specifies the TIM Channel.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_Channel_1: TIM Channel 1.
+  *     @arg TIM_Channel_2: TIM Channel 2.
+  *     @arg TIM_Channel_3: TIM Channel 3.
+  *     @arg TIM_Channel_4: TIM Channel 4.
+  * @param  TIM_OCMode: specifies the TIM Output Compare Mode.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCMode_Timing: TIM Output Compare Timing mode.
+  *     @arg TIM_OCMode_Active: TIM Output Compare Active mode.
+  *     @arg TIM_OCMode_Inactive: TIM Output Compare Inactive mode.
+  *     @arg TIM_OCMode_Toggle: TIM Output Compare Toggle mode.
+  *     @arg TIM_OCMode_PWM1: TIM Output Compare PWM1 mode.
+  *     @arg TIM_OCMode_PWM2: TIM Output Compare PWM2 mode.
+  *     @arg TIM_ForcedAction_Active: TIM Forced Action Active mode.
+  *     @arg TIM_ForcedAction_InActive: TIM Forced Action Inactive mode.
+  * @retval None
+  */
+void TIM_SelectOCxM(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode)
+{
+  uint32_t tmp = 0;
+  uint16_t tmp1 = 0;
+
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));  
+  assert_param(IS_TIM_OCM(TIM_OCMode));
+  
+  tmp = (uint32_t) TIMx;
+  tmp += CCMR_OFFSET;
+
+  tmp1 = CCER_CCE_SET << (uint16_t)TIM_Channel;
+
+  /* Disable the Channel: Reset the CCxE Bit */
+  TIMx->CCER &= (uint16_t) ~tmp1;
+
+  if((TIM_Channel == TIM_Channel_1) ||(TIM_Channel == TIM_Channel_3))
+  {
+    tmp += (TIM_Channel>>1);
+
+    /* Reset the OCxM bits in the CCMRx register */
+    *(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_CCMR1_OC1M);
+   
+    /* Configure the OCxM bits in the CCMRx register */
+    *(__IO uint32_t *) tmp |= TIM_OCMode;
+  }
+  else
+  {
+    tmp += (uint16_t)(TIM_Channel - (uint16_t)4)>> (uint16_t)1;
+
+    /* Reset the OCxM bits in the CCMRx register */
+    *(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_CCMR1_OC2M);
+    
+    /* Configure the OCxM bits in the CCMRx register */
+    *(__IO uint32_t *) tmp |= (uint16_t)(TIM_OCMode << 8);
+  }
+}
+
+/**
+  * @brief  Sets the TIMx Capture Compare1 Register value
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  Compare1: specifies the Capture Compare1 register new value.
+  * @retval None
+  */
+void TIM_SetCompare1(TIM_TypeDef* TIMx, uint32_t Compare1)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  
+  /* Set the Capture Compare1 Register value */
+  TIMx->CCR1 = Compare1;
+}
+
+/**
+  * @brief  Sets the TIMx Capture Compare2 Register value.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  Compare2: specifies the Capture Compare2 register new value.
+  * @retval None
+  */
+void TIM_SetCompare2(TIM_TypeDef* TIMx, uint32_t Compare2)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  
+  /* Set the Capture Compare2 Register value */
+  TIMx->CCR2 = Compare2;
+}
+
+/**
+  * @brief  Sets the TIMx Capture Compare3 Register value.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  Compare3: specifies the Capture Compare3 register new value.
+  * @retval None
+  */
+void TIM_SetCompare3(TIM_TypeDef* TIMx, uint32_t Compare3)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  
+  /* Set the Capture Compare3 Register value */
+  TIMx->CCR3 = Compare3;
+}
+
+/**
+  * @brief  Sets the TIMx Capture Compare4 Register value.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  Compare4: specifies the Capture Compare4 register new value.
+  * @retval None
+  */
+void TIM_SetCompare4(TIM_TypeDef* TIMx, uint32_t Compare4)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  
+  /* Set the Capture Compare4 Register value */
+  TIMx->CCR4 = Compare4;
+}
+
+/**
+  * @brief  Forces the TIMx output 1 waveform to active or inactive level.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ForcedAction_Active: Force active level on OC1REF.
+  *     @arg TIM_ForcedAction_InActive: Force inactive level on OC1REF.
+  * @retval None
+  */
+void TIM_ForcedOC1Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+  uint16_t tmpccmr1 = 0;
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+  tmpccmr1 = TIMx->CCMR1;
+  /* Reset the OC1M Bits */
+  tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1M);
+  /* Configure The Forced output Mode */
+  tmpccmr1 |= TIM_ForcedAction;
+  /* Write to TIMx CCMR1 register */
+  TIMx->CCMR1 = tmpccmr1;
+}
+ 
+/**
+  * @brief  Forces the TIMx output 2 waveform to active or inactive level.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM 
+  *   peripheral.
+  * @param  TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ForcedAction_Active: Force active level on OC2REF.
+  *     @arg TIM_ForcedAction_InActive: Force inactive level on OC2REF.
+  * @retval None
+  */
+void TIM_ForcedOC2Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+  uint16_t tmpccmr1 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+  
+  tmpccmr1 = TIMx->CCMR1;
+  /* Reset the OC2M Bits */
+  tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2M);
+  /* Configure The Forced output Mode */
+  tmpccmr1 |= (uint16_t)(TIM_ForcedAction << 8);
+  /* Write to TIMx CCMR1 register */
+  TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+  * @brief  Forces the TIMx output 3 waveform to active or inactive level.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ForcedAction_Active: Force active level on OC3REF.
+  *     @arg TIM_ForcedAction_InActive: Force inactive level on OC3REF.
+  * @retval None
+  */
+void TIM_ForcedOC3Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+  uint16_t tmpccmr2 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+  
+  tmpccmr2 = TIMx->CCMR2;
+  /* Reset the OC1M Bits */
+  tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3M);
+  /* Configure The Forced output Mode */
+  tmpccmr2 |= TIM_ForcedAction;
+  /* Write to TIMx CCMR2 register */
+  TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+  * @brief  Forces the TIMx output 4 waveform to active or inactive level.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_ForcedAction: specifies the forced Action to be set to the output waveform.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ForcedAction_Active: Force active level on OC4REF.
+  *     @arg TIM_ForcedAction_InActive: Force inactive level on OC4REF.
+  * @retval None
+  */
+void TIM_ForcedOC4Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction)
+{
+  uint16_t tmpccmr2 = 0;
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_FORCED_ACTION(TIM_ForcedAction));
+  
+  tmpccmr2 = TIMx->CCMR2;
+  /* Reset the OC2M Bits */
+  tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4M);
+  /* Configure The Forced output Mode */
+  tmpccmr2 |= (uint16_t)(TIM_ForcedAction << 8);
+  /* Write to TIMx CCMR2 register */
+  TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+  * @brief  Enables or disables the TIMx peripheral Preload register on CCR1.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_OCPreload: new state of the TIMx peripheral Preload register.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCPreload_Enable: Enable TIM output compare Preload
+  *     @arg TIM_OCPreload_Disable: Disable TIM output compare Preload
+  * @retval None
+  */
+void TIM_OC1PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+  uint16_t tmpccmr1 = 0;
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+  
+  tmpccmr1 = TIMx->CCMR1;
+  /* Reset the OC1PE Bit */
+  tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1PE);
+  /* Enable or Disable the Output Compare Preload feature */
+  tmpccmr1 |= TIM_OCPreload;
+  /* Write to TIMx CCMR1 register */
+  TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+  * @brief  Enables or disables the TIMx peripheral Preload register on CCR2.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_OCPreload: new state of the TIMx peripheral Preload register.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCPreload_Enable: Enable TIM output compare Preload
+  *     @arg TIM_OCPreload_Disable: Disable TIM output compare Preload
+  * @retval None
+  */
+void TIM_OC2PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+  uint16_t tmpccmr1 = 0;
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+  
+  tmpccmr1 = TIMx->CCMR1;
+  /* Reset the OC2PE Bit */
+  tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2PE);
+  /* Enable or Disable the Output Compare Preload feature */
+  tmpccmr1 |= (uint16_t)(TIM_OCPreload << 8);
+  /* Write to TIMx CCMR1 register */
+  TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+  * @brief  Enables or disables the TIMx peripheral Preload register on CCR3.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCPreload: new state of the TIMx peripheral Preload register.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCPreload_Enable: Enable TIM output compare Preload
+  *     @arg TIM_OCPreload_Disable: Disable TIM output compare Preload
+  * @retval None
+  */
+void TIM_OC3PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+  uint16_t tmpccmr2 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+  
+  tmpccmr2 = TIMx->CCMR2;
+  /* Reset the OC3PE Bit */
+  tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3PE);
+  /* Enable or Disable the Output Compare Preload feature */
+  tmpccmr2 |= TIM_OCPreload;
+  /* Write to TIMx CCMR2 register */
+  TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+  * @brief  Enables or disables the TIMx peripheral Preload register on CCR4.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCPreload: new state of the TIMx peripheral Preload register.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCPreload_Enable: Enable TIM output compare Preload
+  *     @arg TIM_OCPreload_Disable: Disable TIM output compare Preload
+  * @retval None
+  */
+void TIM_OC4PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload)
+{
+  uint16_t tmpccmr2 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));
+  
+  tmpccmr2 = TIMx->CCMR2;
+  /* Reset the OC4PE Bit */
+  tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4PE);
+  /* Enable or Disable the Output Compare Preload feature */
+  tmpccmr2 |= (uint16_t)(TIM_OCPreload << 8);
+  /* Write to TIMx CCMR2 register */
+  TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+  * @brief  Configures the TIMx Output Compare 1 Fast feature.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCFast_Enable: TIM output compare fast enable.
+  *     @arg TIM_OCFast_Disable: TIM output compare fast disable.
+  * @retval None
+  */
+void TIM_OC1FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+  uint16_t tmpccmr1 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+  
+  /* Get the TIMx CCMR1 register value */
+  tmpccmr1 = TIMx->CCMR1;
+  /* Reset the OC1FE Bit */
+  tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1FE);
+  /* Enable or Disable the Output Compare Fast Bit */
+  tmpccmr1 |= TIM_OCFast;
+  /* Write to TIMx CCMR1 */
+  TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+  * @brief  Configures the TIMx Output Compare 2 Fast feature.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCFast_Enable: TIM output compare fast enable.
+  *     @arg TIM_OCFast_Disable: TIM output compare fast disable.
+  * @retval None
+  */
+void TIM_OC2FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+  uint16_t tmpccmr1 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+  
+  /* Get the TIMx CCMR1 register value */
+  tmpccmr1 = TIMx->CCMR1;
+  /* Reset the OC2FE Bit */
+  tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2FE);
+  /* Enable or Disable the Output Compare Fast Bit */
+  tmpccmr1 |= (uint16_t)(TIM_OCFast << 8);
+  /* Write to TIMx CCMR1 */
+  TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+  * @brief  Configures the TIMx Output Compare 3 Fast feature.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCFast_Enable: TIM output compare fast enable.
+  *     @arg TIM_OCFast_Disable: TIM output compare fast disable.
+  * @retval None
+  */
+void TIM_OC3FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+  uint16_t tmpccmr2 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+  
+  /* Get the TIMx CCMR2 register value */
+  tmpccmr2 = TIMx->CCMR2;
+  /* Reset the OC3FE Bit */
+  tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3FE);
+  /* Enable or Disable the Output Compare Fast Bit */
+  tmpccmr2 |= TIM_OCFast;
+  /* Write to TIMx CCMR2 */
+  TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+  * @brief  Configures the TIMx Output Compare 4 Fast feature.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCFast: new state of the Output Compare Fast Enable Bit.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCFast_Enable: TIM output compare fast enable.
+  *     @arg TIM_OCFast_Disable: TIM output compare fast disable.
+  * @retval None
+  */
+void TIM_OC4FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast)
+{
+  uint16_t tmpccmr2 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));
+  
+  /* Get the TIMx CCMR2 register value */
+  tmpccmr2 = TIMx->CCMR2;
+  /* Reset the OC4FE Bit */
+  tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4FE);
+  /* Enable or Disable the Output Compare Fast Bit */
+  tmpccmr2 |= (uint16_t)(TIM_OCFast << 8);
+  /* Write to TIMx CCMR2 */
+  TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+  * @brief  Clears or safeguards the OCREF1 signal on an external event
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCClear_Enable: TIM Output clear enable.
+  *     @arg TIM_OCClear_Disable: TIM Output clear disable.
+  * @retval None
+  */
+void TIM_ClearOC1Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+  uint16_t tmpccmr1 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+  
+  tmpccmr1 = TIMx->CCMR1;
+  /* Reset the OC1CE Bit */
+  tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC1CE);
+  /* Enable or Disable the Output Compare Clear Bit */
+  tmpccmr1 |= TIM_OCClear;
+  /* Write to TIMx CCMR1 register */
+  TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+  * @brief  Clears or safeguards the OCREF2 signal on an external event
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCClear_Enable: TIM Output clear enable.
+  *     @arg TIM_OCClear_Disable: TIM Output clear disable .
+  * @retval None
+  */
+void TIM_ClearOC2Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+  uint16_t tmpccmr1 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+  
+  tmpccmr1 = TIMx->CCMR1;
+  /* Reset the OC2CE Bit */
+  tmpccmr1 &= (uint16_t)~((uint16_t)TIM_CCMR1_OC2CE);
+  /* Enable or Disable the Output Compare Clear Bit */
+  tmpccmr1 |= (uint16_t)(TIM_OCClear << 8);
+  /* Write to TIMx CCMR1 register */
+  TIMx->CCMR1 = tmpccmr1;
+}
+
+/**
+  * @brief  Clears or safeguards the OCREF3 signal on an external event
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCClear_Enable: TIM Output clear enable.
+  *     @arg TIM_OCClear_Disable: TIM Output clear disable.
+  * @retval None
+  */
+void TIM_ClearOC3Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+  uint16_t tmpccmr2 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+  
+  tmpccmr2 = TIMx->CCMR2;
+  /* Reset the OC3CE Bit */
+  tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC3CE);
+  /* Enable or Disable the Output Compare Clear Bit */
+  tmpccmr2 |= TIM_OCClear;
+  /* Write to TIMx CCMR2 register */
+  TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+  * @brief  Clears or safeguards the OCREF4 signal on an external event
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCClear: new state of the Output Compare Clear Enable Bit.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCClear_Enable: TIM Output clear enable.
+  *     @arg TIM_OCClear_Disable: TIM Output clear disable.
+  * @retval None
+  */
+void TIM_ClearOC4Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear)
+{
+  uint16_t tmpccmr2 = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));
+  
+  tmpccmr2 = TIMx->CCMR2;
+  /* Reset the OC4CE Bit */
+  tmpccmr2 &= (uint16_t)~((uint16_t)TIM_CCMR2_OC4CE);
+  /* Enable or Disable the Output Compare Clear Bit */
+  tmpccmr2 |= (uint16_t)(TIM_OCClear << 8);
+  /* Write to TIMx CCMR2 register */
+  TIMx->CCMR2 = tmpccmr2;
+}
+
+/**
+  * @brief  Configures the TIMx channel 1 polarity.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_OCPolarity: specifies the OC1 Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCPolarity_High: Output Compare active high.
+  *     @arg TIM_OCPolarity_Low: Output Compare active low.
+  * @retval None
+  */
+void TIM_OC1PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+  uint16_t tmpccer = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+  
+  tmpccer = TIMx->CCER;
+  /* Set or Reset the CC1P Bit */
+  tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC1P);
+  tmpccer |= TIM_OCPolarity;
+  /* Write to TIMx CCER register */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Configures the TIMx channel 2 polarity.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_OCPolarity: specifies the OC2 Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCPolarity_High: Output Compare active high.
+  *     @arg TIM_OCPolarity_Low: Output Compare active low.
+  * @retval None
+  */
+void TIM_OC2PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+  uint16_t tmpccer = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+  
+  tmpccer = TIMx->CCER;
+  /* Set or Reset the CC2P Bit */
+  tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC2P);
+  tmpccer |= (uint16_t)(TIM_OCPolarity << 4);
+  /* Write to TIMx CCER register */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Configures the TIMx channel 3 polarity.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCPolarity: specifies the OC3 Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCPolarity_High: Output Compare active high.
+  *     @arg TIM_OCPolarity_Low: Output Compare active low.
+  * @retval None
+  */
+void TIM_OC3PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+  uint16_t tmpccer = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+  
+  tmpccer = TIMx->CCER;
+  /* Set or Reset the CC3P Bit */
+  tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC3P);
+  tmpccer |= (uint16_t)(TIM_OCPolarity << 8);
+  /* Write to TIMx CCER register */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Configures the TIMx channel 4 polarity.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCPolarity: specifies the OC4 Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCPolarity_High: Output Compare active high.
+  *     @arg TIM_OCPolarity_Low: Output Compare active low.
+  * @retval None
+  */
+void TIM_OC4PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity)
+{
+  uint16_t tmpccer = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));
+  
+  tmpccer = TIMx->CCER;
+  /* Set or Reset the CC4P Bit */
+  tmpccer &= (uint16_t)~((uint16_t)TIM_CCER_CC4P);
+  tmpccer |= (uint16_t)(TIM_OCPolarity << 12);
+  /* Write to TIMx CCER register */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Selects the OCReference Clear source.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_OCReferenceClear: specifies the OCReference Clear source.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_OCReferenceClear_ETRF: The internal OCreference clear input is connected to ETRF.
+  *     @arg TIM_OCReferenceClear_OCREFCLR: The internal OCreference clear input is connected to OCREF_CLR input.  
+  * @retval None
+  */
+void TIM_SelectOCREFClear(TIM_TypeDef* TIMx, uint16_t TIM_OCReferenceClear)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(TIM_OCREFERENCECECLEAR_SOURCE(TIM_OCReferenceClear));
+
+  /* Set the TIM_OCReferenceClear source */
+  TIMx->SMCR &=  (uint16_t)~((uint16_t)TIM_SMCR_OCCS);
+  TIMx->SMCR |=  TIM_OCReferenceClear;
+}
+
+/**
+  * @brief  Enables or disables the TIM Capture Compare Channel x.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_Channel: specifies the TIM Channel.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_Channel_1: TIM Channel 1.
+  *     @arg TIM_Channel_2: TIM Channel 2.
+  *     @arg TIM_Channel_3: TIM Channel 3.
+  *     @arg TIM_Channel_4: TIM Channel 4.
+  * @param  TIM_CCx: specifies the TIM Channel CCxE bit new state.
+  *   This parameter can be: TIM_CCx_Enable or TIM_CCx_Disable. 
+  * @retval None
+  */
+void TIM_CCxCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx)
+{
+  uint16_t tmp = 0;
+
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx)); 
+  assert_param(IS_TIM_CCX(TIM_CCx));
+
+  tmp = CCER_CCE_SET << TIM_Channel;
+
+  /* Reset the CCxE Bit */
+  TIMx->CCER &= (uint16_t)~ tmp;
+
+  /* Set or reset the CCxE Bit */ 
+  TIMx->CCER |=  (uint16_t)(TIM_CCx << TIM_Channel);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup TIM_Group3 Input Capture management functions
+ *  @brief    Input Capture management functions 
+ *
+@verbatim
+ ===============================================================================
+               ##### Input Capture management functions #####
+ ===============================================================================
+   
+          *** TIM Driver: how to use it in Input Capture Mode ***
+ ===============================================================================
+    [..] To use the Timer in Input Capture mode, the following steps are mandatory:
+         (#) Enable TIM clock using RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE) 
+             function.
+         (#) Configure the TIM pins by configuring the corresponding GPIO pins.
+         (#) Configure the Time base unit as described in the first part of this 
+             driver, if needed, else the Timer will run with the default configuration:
+             (++) Autoreload value = 0xFFFF.
+             (++) Prescaler value = 0x0000.
+             (++) Counter mode = Up counting.
+             (++) Clock Division = TIM_CKD_DIV1.
+         (#) Fill the TIM_ICInitStruct with the desired parameters including:
+             (++) TIM Channel: TIM_Channel.
+             (++) TIM Input Capture polarity: TIM_ICPolarity.
+             (++) TIM Input Capture selection: TIM_ICSelection.
+             (++) TIM Input Capture Prescaler: TIM_ICPrescaler.
+             (++) TIM Input CApture filter value: TIM_ICFilter.
+         (#) Call TIM_ICInit(TIMx, &TIM_ICInitStruct) to configure the desired 
+             channel with the corresponding configuration and to measure only 
+             frequency or duty cycle of the input signal,or, Call 
+             TIM_PWMIConfig(TIMx, &TIM_ICInitStruct) to configure the desired 
+             channels with the corresponding configuration and to measure the 
+             frequency and the duty cycle of the input signal.
+         (#) Enable the NVIC or the DMA to read the measured frequency.
+         (#) Enable the corresponding interrupt (or DMA request) to read 
+             the Captured value, using the function TIM_ITConfig(TIMx, TIM_IT_CCx)
+             (or TIM_DMA_Cmd(TIMx, TIM_DMA_CCx)).
+         (#) Call the TIM_Cmd(ENABLE) function to enable the TIM counter.
+         (#) Use TIM_GetCapturex(TIMx); to read the captured value.
+    [..]
+        (@) All other functions can be used separately to modify, if needed,
+            a specific feature of the Timer. 
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Initializes the TIM peripheral according to the specified
+  *         parameters in the TIM_ICInitStruct.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure
+  *         that contains the configuration information for the specified TIM 
+  *         peripheral.
+  * @retval None
+  */
+void TIM_ICInit(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_IC_POLARITY(TIM_ICInitStruct->TIM_ICPolarity));
+  assert_param(IS_TIM_IC_SELECTION(TIM_ICInitStruct->TIM_ICSelection));
+  assert_param(IS_TIM_IC_PRESCALER(TIM_ICInitStruct->TIM_ICPrescaler));
+  assert_param(IS_TIM_IC_FILTER(TIM_ICInitStruct->TIM_ICFilter));
+  
+  if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_1)
+  {
+    /* TI1 Configuration */
+    TI1_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+               TIM_ICInitStruct->TIM_ICSelection,
+               TIM_ICInitStruct->TIM_ICFilter);
+    /* Set the Input Capture Prescaler value */
+    TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+  }
+  else if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_2)
+  {
+    /* TI2 Configuration */
+    assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+    TI2_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+               TIM_ICInitStruct->TIM_ICSelection,
+               TIM_ICInitStruct->TIM_ICFilter);
+    /* Set the Input Capture Prescaler value */
+    TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+  }
+  else if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_3)
+  {
+    /* TI3 Configuration */
+    assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+    TI3_Config(TIMx,  TIM_ICInitStruct->TIM_ICPolarity,
+               TIM_ICInitStruct->TIM_ICSelection,
+               TIM_ICInitStruct->TIM_ICFilter);
+    /* Set the Input Capture Prescaler value */
+    TIM_SetIC3Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+  }
+  else
+  {
+    /* TI4 Configuration */
+    assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+    TI4_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity,
+               TIM_ICInitStruct->TIM_ICSelection,
+               TIM_ICInitStruct->TIM_ICFilter);
+    /* Set the Input Capture Prescaler value */
+    TIM_SetIC4Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+  }
+}
+
+/**
+  * @brief  Fills each TIM_ICInitStruct member with its default value.
+  * @param  TIM_ICInitStruct : pointer to a TIM_ICInitTypeDef structure which will
+  *         be initialized.
+  * @retval None
+  */
+void TIM_ICStructInit(TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+  /* Set the default configuration */
+  TIM_ICInitStruct->TIM_Channel = TIM_Channel_1;
+  TIM_ICInitStruct->TIM_ICPolarity = TIM_ICPolarity_Rising;
+  TIM_ICInitStruct->TIM_ICSelection = TIM_ICSelection_DirectTI;
+  TIM_ICInitStruct->TIM_ICPrescaler = TIM_ICPSC_DIV1;
+  TIM_ICInitStruct->TIM_ICFilter = 0x00;
+}
+
+/**
+  * @brief  Configures the TIM peripheral according to the specified
+  *         parameters in the TIM_ICInitStruct to measure an external PWM signal.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure
+  *         that contains the configuration information for the specified TIM 
+  *         peripheral.
+  * @retval None
+  */
+void TIM_PWMIConfig(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct)
+{
+  uint16_t icoppositepolarity = TIM_ICPolarity_Rising;
+  uint16_t icoppositeselection = TIM_ICSelection_DirectTI;
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  /* Select the Opposite Input Polarity */
+  if (TIM_ICInitStruct->TIM_ICPolarity == TIM_ICPolarity_Rising)
+  {
+    icoppositepolarity = TIM_ICPolarity_Falling;
+  }
+  else
+  {
+    icoppositepolarity = TIM_ICPolarity_Rising;
+  }
+  /* Select the Opposite Input */
+  if (TIM_ICInitStruct->TIM_ICSelection == TIM_ICSelection_DirectTI)
+  {
+    icoppositeselection = TIM_ICSelection_IndirectTI;
+  }
+  else
+  {
+    icoppositeselection = TIM_ICSelection_DirectTI;
+  }
+  if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_1)
+  {
+    /* TI1 Configuration */
+    TI1_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection,
+               TIM_ICInitStruct->TIM_ICFilter);
+    /* Set the Input Capture Prescaler value */
+    TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+    /* TI2 Configuration */
+    TI2_Config(TIMx, icoppositepolarity, icoppositeselection, TIM_ICInitStruct->TIM_ICFilter);
+    /* Set the Input Capture Prescaler value */
+    TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+  }
+  else
+  { 
+    /* TI2 Configuration */
+    TI2_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection,
+               TIM_ICInitStruct->TIM_ICFilter);
+    /* Set the Input Capture Prescaler value */
+    TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+    /* TI1 Configuration */
+    TI1_Config(TIMx, icoppositepolarity, icoppositeselection, TIM_ICInitStruct->TIM_ICFilter);
+    /* Set the Input Capture Prescaler value */
+    TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler);
+  }
+}
+
+/**
+  * @brief  Gets the TIMx Input Capture 1 value.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @retval Capture Compare 1 Register value.
+  */
+uint32_t TIM_GetCapture1(TIM_TypeDef* TIMx)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  
+  /* Get the Capture 1 Register value */
+  return TIMx->CCR1;
+}
+
+/**
+  * @brief  Gets the TIMx Input Capture 2 value.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @retval Capture Compare 2 Register value.
+  */
+uint32_t TIM_GetCapture2(TIM_TypeDef* TIMx)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  
+  /* Get the Capture 2 Register value */
+  return TIMx->CCR2;
+}
+
+/**
+  * @brief  Gets the TIMx Input Capture 3 value.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @retval Capture Compare 3 Register value.
+  */
+uint32_t TIM_GetCapture3(TIM_TypeDef* TIMx)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx)); 
+  
+  /* Get the Capture 3 Register value */
+  return TIMx->CCR3;
+}
+
+/**
+  * @brief  Gets the TIMx Input Capture 4 value.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @retval Capture Compare 4 Register value.
+  */
+uint32_t TIM_GetCapture4(TIM_TypeDef* TIMx)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  
+  /* Get the Capture 4 Register value */
+  return TIMx->CCR4;
+}
+
+/**
+  * @brief  Sets the TIMx Input Capture 1 prescaler.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_ICPSC: specifies the Input Capture1 prescaler new value.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPSC_DIV1: no prescaler.
+  *     @arg TIM_ICPSC_DIV2: capture is done once every 2 events.
+  *     @arg TIM_ICPSC_DIV4: capture is done once every 4 events.
+  *     @arg TIM_ICPSC_DIV8: capture is done once every 8 events.
+  * @retval None
+  */
+void TIM_SetIC1Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+  
+  /* Reset the IC1PSC Bits */
+  TIMx->CCMR1 &= (uint16_t)~((uint16_t)TIM_CCMR1_IC1PSC);
+  /* Set the IC1PSC value */
+  TIMx->CCMR1 |= TIM_ICPSC;
+}
+
+/**
+  * @brief  Sets the TIMx Input Capture 2 prescaler.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_ICPSC: specifies the Input Capture2 prescaler new value.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPSC_DIV1: no prescaler.
+  *     @arg TIM_ICPSC_DIV2: capture is done once every 2 events.
+  *     @arg TIM_ICPSC_DIV4: capture is done once every 4 events.
+  *     @arg TIM_ICPSC_DIV8: capture is done once every 8 events.
+  * @retval None
+  */
+void TIM_SetIC2Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+  
+  /* Reset the IC2PSC Bits */
+  TIMx->CCMR1 &= (uint16_t)~((uint16_t)TIM_CCMR1_IC2PSC);
+  /* Set the IC2PSC value */
+  TIMx->CCMR1 |= (uint16_t)(TIM_ICPSC << 8);
+}
+
+/**
+  * @brief  Sets the TIMx Input Capture 3 prescaler.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_ICPSC: specifies the Input Capture3 prescaler new value.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPSC_DIV1: no prescaler.
+  *     @arg TIM_ICPSC_DIV2: capture is done once every 2 events.
+  *     @arg TIM_ICPSC_DIV4: capture is done once every 4 events.
+  *     @arg TIM_ICPSC_DIV8: capture is done once every 8 events.
+  * @retval None
+  */
+void TIM_SetIC3Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+  
+  /* Reset the IC3PSC Bits */
+  TIMx->CCMR2 &= (uint16_t)~((uint16_t)TIM_CCMR2_IC3PSC);
+  /* Set the IC3PSC value */
+  TIMx->CCMR2 |= TIM_ICPSC;
+}
+
+/**
+  * @brief  Sets the TIMx Input Capture 4 prescaler.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_ICPSC: specifies the Input Capture4 prescaler new value.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPSC_DIV1: no prescaler.
+  *     @arg TIM_ICPSC_DIV2: capture is done once every 2 events.
+  *     @arg TIM_ICPSC_DIV4: capture is done once every 4 events.
+  *     @arg TIM_ICPSC_DIV8: capture is done once every 8 events.
+  * @retval None
+  */
+void TIM_SetIC4Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC)
+{  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_IC_PRESCALER(TIM_ICPSC));
+  
+  /* Reset the IC4PSC Bits */
+  TIMx->CCMR2 &= (uint16_t)~((uint16_t)TIM_CCMR2_IC4PSC);
+  /* Set the IC4PSC value */
+  TIMx->CCMR2 |= (uint16_t)(TIM_ICPSC << 8);
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup TIM_Group4 Interrupts DMA and flags management functions
+ *  @brief    Interrupts, DMA and flags management functions 
+ *
+@verbatim
+ ===============================================================================
+          ##### Interrupts, DMA and flags management functions #####
+ ===============================================================================
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Enables or disables the specified TIM interrupts.
+  * @param  TIMx: where x can be 2 to 11 to select the TIMx peripheral.
+  * @param  TIM_IT: specifies the TIM interrupts sources to be enabled or disabled.
+  *   This parameter can be any combination of the following values:
+  *     @arg TIM_IT_Update: TIM update Interrupt source.
+  *     @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source.
+  *     @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source.
+  *     @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source.
+  *     @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source.
+  *     @arg TIM_IT_Trigger: TIM Trigger Interrupt source.
+  * @note TIM6 and TIM7 can only generate an update interrupt.  
+  * @note TIM_IT_CC2, TIM_IT_CC3, TIM_IT_CC4 and TIM_IT_Trigger can not be used with TIM10 and TIM11.
+  * @note TIM_IT_CC3, TIM_IT_CC4 can not be used with TIM9.   
+  * @param  NewState: new state of the TIM interrupts.
+  *         This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void TIM_ITConfig(TIM_TypeDef* TIMx, uint16_t TIM_IT, FunctionalState NewState)
+{  
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_IT(TIM_IT));
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  
+  if (NewState != DISABLE)
+  {
+    /* Enable the Interrupt sources */
+    TIMx->DIER |= TIM_IT;
+  }
+  else
+  {
+    /* Disable the Interrupt sources */
+    TIMx->DIER &= (uint16_t)~TIM_IT;
+  }
+}
+
+/**
+  * @brief  Configures the TIMx event to be generate by software.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  TIM_EventSource: specifies the event source.
+  *   This parameter can be one or more of the following values:	   
+  *     @arg TIM_EventSource_Update: Timer update Event source.
+  *     @arg TIM_EventSource_CC1: Timer Capture Compare 1 Event source.
+  *     @arg TIM_EventSource_CC2: Timer Capture Compare 2 Event source.
+  *     @arg TIM_EventSource_CC3: Timer Capture Compare 3 Event source.
+  *     @arg TIM_EventSource_CC4: Timer Capture Compare 4 Event source.
+  *     @arg TIM_EventSource_Trigger: Timer Trigger Event source.
+  * @note TIM6 and TIM7 can only generate an update event. 
+  * @note TIM9 can only generate an update event, Capture Compare 1 event, 
+  *     Capture Compare 2 event and TIM_EventSource_Trigger.  
+  * @note TIM10 and TIM11 can only generate an update event and Capture Compare 1 event.            
+  * @retval None
+  */
+void TIM_GenerateEvent(TIM_TypeDef* TIMx, uint16_t TIM_EventSource)
+{ 
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_EVENT_SOURCE(TIM_EventSource)); 
+  /* Set the event sources */
+  TIMx->EGR = TIM_EventSource;
+}
+
+/**
+  * @brief  Checks whether the specified TIM flag is set or not.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  TIM_FLAG: specifies the flag to check.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_FLAG_Update: TIM update Flag.
+  *     @arg TIM_FLAG_CC1: TIM Capture Compare 1 Flag.
+  *     @arg TIM_FLAG_CC2: TIM Capture Compare 2 Flag.
+  *     @arg TIM_FLAG_CC3: TIM Capture Compare 3 Flag.
+  *     @arg TIM_FLAG_CC4: TIM Capture Compare 4 Flag.
+  *     @arg TIM_FLAG_Trigger: TIM Trigger Flag.
+  *     @arg TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag.
+  *     @arg TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag.
+  *     @arg TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag.
+  *     @arg TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag.
+  *
+  * @note TIM6 and TIM7 can have only one update flag.
+  * @note TIM9 can have only update flag, TIM_FLAG_CC1, TIM_FLAG_CC2 and TIM_FLAG_Trigger,
+  *     TIM_FLAG_CC1OF or TIM_FLAG_CC2OF flags.  
+  * @note TIM10 and TIM11 can have only update flag, TIM_FLAG_CC1 or TIM_FLAG_CC1OF flags         
+  * @retval The new state of TIM_FLAG (SET or RESET).
+  */
+FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG)
+{ 
+  ITStatus bitstatus = RESET; 
+   
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_GET_FLAG(TIM_FLAG));
+  
+  if ((TIMx->SR & TIM_FLAG) != (uint16_t)RESET)
+  {
+    bitstatus = SET;
+  }
+  else
+  {
+    bitstatus = RESET;
+  }
+  return bitstatus;
+}
+
+/**
+  * @brief  Clears the TIMx's pending flags.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  TIM_FLAG: specifies the flag bit to clear.
+  *   This parameter can be any combination of the following values:
+  *     @arg TIM_FLAG_Update: TIM update Flag.
+  *     @arg TIM_FLAG_CC1: TIM Capture Compare 1 Flag.
+  *     @arg TIM_FLAG_CC2: TIM Capture Compare 2 Flag.
+  *     @arg TIM_FLAG_CC3: TIM Capture Compare 3 Flag.
+  *     @arg TIM_FLAG_CC4: TIM Capture Compare 4 Flag.
+  *     @arg TIM_FLAG_Trigger: TIM Trigger Flag.
+  *     @arg TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag.
+  *     @arg TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag.
+  *     @arg TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag.
+  *     @arg TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag.
+  * @note TIM6 and TIM7 can have only one update flag. 
+  * @note TIM9 can have only update flag, TIM_FLAG_CC1, TIM_FLAG_CC2 and TIM_FLAG_Trigger flags
+  *     TIM_FLAG_CC1OF or TIM_FLAG_CC2OF flags.  
+  * @note TIM10 and TIM11 can have only update flag, TIM_FLAG_CC1
+  *     or TIM_FLAG_CC1OF flags      
+  * @retval None
+  */
+void TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG)
+{  
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_CLEAR_FLAG(TIM_FLAG));
+   
+  /* Clear the flags */
+  TIMx->SR = (uint16_t)~TIM_FLAG;
+}
+
+/**
+  * @brief  Checks whether the TIM interrupt has occurred or not.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  TIM_IT: specifies the TIM interrupt source to check.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_IT_Update: TIM update Interrupt source.
+  *     @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source.
+  *     @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source.
+  *     @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source.
+  *     @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source.
+  *     @arg TIM_IT_Trigger: TIM Trigger Interrupt source.
+  *
+  * @note TIM6 and TIM7 can generate only an update interrupt.
+  * @note TIM9 can have only update interrupt, TIM_FLAG_CC1 or TIM_FLAG_CC2,
+  *     interrupt and TIM_IT_Trigger interrupt.
+  * @note TIM10 and TIM11 can have only update interrupt or TIM_FLAG_CC1
+  *     interrupt      
+  * @retval The new state of the TIM_IT(SET or RESET).
+  */
+ITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT)
+{
+  ITStatus bitstatus = RESET;  
+  uint16_t itstatus = 0x0, itenable = 0x0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_GET_IT(TIM_IT));
+   
+  itstatus = TIMx->SR & TIM_IT;
+  
+  itenable = TIMx->DIER & TIM_IT;
+  if ((itstatus != (uint16_t)RESET) && (itenable != (uint16_t)RESET))
+  {
+    bitstatus = SET;
+  }
+  else
+  {
+    bitstatus = RESET;
+  }
+  return bitstatus;
+}
+
+/**
+  * @brief  Clears the TIMx's interrupt pending bits.
+  * @param  TIMx: where x can be 2 to 11 to select the TIM peripheral.
+  * @param  TIM_IT: specifies the pending bit to clear.
+  *   This parameter can be any combination of the following values:
+  *     @arg TIM_IT_Update: TIM update Interrupt source.
+  *     @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source.
+  *     @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source.
+  *     @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source.
+  *     @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source.
+  *     @arg TIM_IT_Trigger: TIM Trigger Interrupt source.
+  * @note
+  * @note TIM6 and TIM7 can generate only an update interrupt.
+  * @note TIM9 can have only update interrupt, TIM_IT_CC1 or TIM_IT_CC2,
+  *     and TIM_IT_Trigger interrupt.  
+  * @note TIM10 and TIM11 can have only update interrupt or TIM_IT_CC1
+  *     interrupt        
+  * @retval None
+  */
+void TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_ALL_PERIPH(TIMx));
+  assert_param(IS_TIM_IT(TIM_IT));
+   
+  /* Clear the IT pending Bit */
+  TIMx->SR = (uint16_t)~TIM_IT;
+}
+
+/**
+  * @brief  Configures the TIMx's DMA interface.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_DMABase: DMA Base address.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_DMABase_CR1: TIM CR1 register as TIM DMA Base.
+  *     @arg TIM_DMABase_CR2: TIM CR2 register as TIM DMA Base.
+  *     @arg TIM_DMABase_SMCR: TIM SMCR register as TIM DMA Base.
+  *     @arg TIM_DMABase_DIER: TIM DIER register as TIM DMA Base.
+  *     @arg TIM_DMABase_SR: TIM SR register as TIM DMA Base.
+  *     @arg TIM_DMABase_EGR: TIM EGR register as TIM DMA Base.
+  *     @arg TIM_DMABase_CCMR1: TIM CCMR1 register as TIM DMA Base.
+  *     @arg TIM_DMABase_CCMR2: TIM CCMR2 register as TIM DMA Base.
+  *     @arg TIM_DMABase_CCER: TIM CCER register as TIM DMA Base.
+  *     @arg TIM_DMABase_CNT: TIM CNT register as TIM DMA Base.
+  *     @arg TIM_DMABase_PSC: TIM PSC register as TIM DMA Base.
+  *     @arg TIM_DMABase_ARR: TIM ARR register as TIM DMA Base.
+  *     @arg TIM_DMABase_CCR1: TIM CCR1 register as TIM DMA Base.
+  *     @arg TIM_DMABase_CCR2: TIM CCR2 register as TIM DMA Base.
+  *     @arg TIM_DMABase_CCR3: TIM CCR3 register as TIM DMA Base.
+  *     @arg TIM_DMABase_CCR4: TIM CCR4 register as TIM DMA Base.
+  *     @arg TIM_DMABase_DCR: TIM DCR register as TIM DMA Base.
+  *     @arg TIM_DMABase_OR: TIM OR register as TIM DMA Base.
+  * @param  TIM_DMABurstLength: DMA Burst length.
+  *   This parameter can be one value between:
+  *   TIM_DMABurstLength_1Transfer and TIM_DMABurstLength_18Transfers.
+  * @retval None
+  */
+void TIM_DMAConfig(TIM_TypeDef* TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_DMA_BASE(TIM_DMABase)); 
+  assert_param(IS_TIM_DMA_LENGTH(TIM_DMABurstLength));
+  /* Set the DMA Base and the DMA Burst Length */
+  TIMx->DCR = TIM_DMABase | TIM_DMABurstLength;
+}
+
+/**
+  * @brief  Enables or disables the TIMx's DMA Requests.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 6 or 7 to select the TIM peripheral. 
+  * @param  TIM_DMASource: specifies the DMA Request sources.
+  *   This parameter can be any combination of the following values:
+  *     @arg TIM_DMA_Update: TIM update Interrupt source.
+  *     @arg TIM_DMA_CC1: TIM Capture Compare 1 DMA source.
+  *     @arg TIM_DMA_CC2: TIM Capture Compare 2 DMA source.
+  *     @arg TIM_DMA_CC3: TIM Capture Compare 3 DMA source.
+  *     @arg TIM_DMA_CC4: TIM Capture Compare 4 DMA source.
+  *     @arg TIM_DMA_Trigger: TIM Trigger DMA source.
+  * @param  NewState: new state of the DMA Request sources.
+  *   This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void TIM_DMACmd(TIM_TypeDef* TIMx, uint16_t TIM_DMASource, FunctionalState NewState)
+{ 
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST4_PERIPH(TIMx));
+  assert_param(IS_TIM_DMA_SOURCE(TIM_DMASource));
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  
+  if (NewState != DISABLE)
+  {
+    /* Enable the DMA sources */
+    TIMx->DIER |= TIM_DMASource; 
+  }
+  else
+  {
+    /* Disable the DMA sources */
+    TIMx->DIER &= (uint16_t)~TIM_DMASource;
+  }
+}
+
+/**
+  * @brief  Selects the TIMx peripheral Capture Compare DMA source.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  NewState: new state of the Capture Compare DMA source
+  *   This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void TIM_SelectCCDMA(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  
+  if (NewState != DISABLE)
+  {
+    /* Set the CCDS Bit */
+    TIMx->CR2 |= TIM_CR2_CCDS;
+  }
+  else
+  {
+    /* Reset the CCDS Bit */
+    TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_CCDS);
+  }
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup TIM_Group5 Clocks management functions
+ *  @brief    Clocks management functions
+ *
+@verbatim
+ ===============================================================================
+                     ##### Clocks management functions #####
+ ===============================================================================
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Configures the TIMx internal Clock
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @retval None
+  */
+void TIM_InternalClockConfig(TIM_TypeDef* TIMx)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  /* Disable slave mode to clock the prescaler directly with the internal clock */
+  TIMx->SMCR &=  (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+}
+
+/**
+  * @brief  Configures the TIMx Internal Trigger as External Clock
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_ITRSource: Trigger source.
+  *   This parameter can be one of the following values:
+  * @param  TIM_TS_ITR0: Internal Trigger 0.
+  * @param  TIM_TS_ITR1: Internal Trigger 1.
+  * @param  TIM_TS_ITR2: Internal Trigger 2.
+  * @param  TIM_TS_ITR3: Internal Trigger 3.
+  * @retval None
+  */
+void TIM_ITRxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_INTERNAL_TRIGGER_SELECTION(TIM_InputTriggerSource));
+  /* Select the Internal Trigger */
+  TIM_SelectInputTrigger(TIMx, TIM_InputTriggerSource);
+  /* Select the External clock mode1 */
+  TIMx->SMCR |= TIM_SlaveMode_External1;
+}
+
+/**
+  * @brief  Configures the TIMx Trigger as External Clock
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_TIxExternalCLKSource: Trigger source.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_TIxExternalCLK1Source_TI1ED: TI1 Edge Detector.
+  *     @arg TIM_TIxExternalCLK1Source_TI1: Filtered Timer Input 1.
+  *     @arg TIM_TIxExternalCLK1Source_TI2: Filtered Timer Input 2.
+  * @param  TIM_ICPolarity: specifies the TIx Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPolarity_Rising:
+  *     @arg TIM_ICPolarity_Falling:
+  * @param  ICFilter : specifies the filter value.
+  *   This parameter must be a value between 0x0 and 0xF.
+  * @retval None
+  */
+void TIM_TIxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_TIxExternalCLKSource,
+                                uint16_t TIM_ICPolarity, uint16_t ICFilter)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_IC_POLARITY(TIM_ICPolarity));
+  assert_param(IS_TIM_IC_FILTER(ICFilter));
+  
+  /* Configure the Timer Input Clock Source */
+  if (TIM_TIxExternalCLKSource == TIM_TIxExternalCLK1Source_TI2)
+  {
+    TI2_Config(TIMx, TIM_ICPolarity, TIM_ICSelection_DirectTI, ICFilter);
+  }
+  else
+  {
+    TI1_Config(TIMx, TIM_ICPolarity, TIM_ICSelection_DirectTI, ICFilter);
+  }
+  /* Select the Trigger source */
+  TIM_SelectInputTrigger(TIMx, TIM_TIxExternalCLKSource);
+  /* Select the External clock mode1 */
+  TIMx->SMCR |= TIM_SlaveMode_External1;
+}
+
+/**
+  * @brief  Configures the External clock Mode1
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+  *     @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+  *     @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+  *     @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+  * @param  TIM_ExtTRGPolarity: The external Trigger Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+  *     @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+  * @param  ExtTRGFilter: External Trigger Filter.
+  *   This parameter must be a value between 0x00 and 0x0F
+  * @retval None
+  */
+void TIM_ETRClockMode1Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+                             uint16_t ExtTRGFilter)
+{
+  uint16_t tmpsmcr = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+  assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+  assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+  
+  /* Configure the ETR Clock source */
+  TIM_ETRConfig(TIMx, TIM_ExtTRGPrescaler, TIM_ExtTRGPolarity, ExtTRGFilter);
+  
+  /* Get the TIMx SMCR register value */
+  tmpsmcr = TIMx->SMCR;
+  /* Reset the SMS Bits */
+  tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+  /* Select the External clock mode1 */
+  tmpsmcr |= TIM_SlaveMode_External1;
+  /* Select the Trigger selection : ETRF */
+  tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_TS));
+  tmpsmcr |= TIM_TS_ETRF;
+  /* Write to TIMx SMCR */
+  TIMx->SMCR = tmpsmcr;
+}
+
+/**
+  * @brief  Configures the External clock Mode2
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+  *     @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+  *     @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+  *     @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+  * @param  TIM_ExtTRGPolarity: The external Trigger Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+  *     @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+  * @param  ExtTRGFilter: External Trigger Filter.
+  *   This parameter must be a value between 0x00 and 0x0F
+  * @retval None
+  */
+void TIM_ETRClockMode2Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, 
+                             uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+  assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+  assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+  
+  /* Configure the ETR Clock source */
+  TIM_ETRConfig(TIMx, TIM_ExtTRGPrescaler, TIM_ExtTRGPolarity, ExtTRGFilter);
+  /* Enable the External clock mode2 */
+  TIMx->SMCR |= TIM_SMCR_ECE;
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup TIM_Group6 Synchronization management functions
+ *  @brief    Synchronization management functions 
+ *
+@verbatim
+ ===============================================================================
+               ##### Synchronization management functions #####
+ ===============================================================================
+        *** TIM Driver: how to use it in synchronization Mode ***
+ ===============================================================================
+    [..] Case of two/several Timers
+         (#) Configure the Master Timers using the following functions:
+             (++) void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx,
+                  uint16_t TIM_TRGOSource).
+             (++) void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx,
+                  uint16_t TIM_MasterSlaveMode);  
+         (#) Configure the Slave Timers using the following functions: 
+             (++) void TIM_SelectInputTrigger(TIM_TypeDef* TIMx, 
+                  uint16_t TIM_InputTriggerSource);  
+             (++) void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode);
+    [..] Case of Timers and external trigger(ETR pin)
+         (#) Configure the Etrenal trigger using this function:
+             (++) void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler,
+                  uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter);
+         (#) Configure the Slave Timers using the following functions:
+             (++) void TIM_SelectInputTrigger(TIM_TypeDef* TIMx,
+                  uint16_t TIM_InputTriggerSource);
+             (++) void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode);
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Selects the Input Trigger source
+  * @param  TIMx: where x can be 2, 3, 4, 5, or 9 to select the TIM peripheral.
+  * @param  TIM_InputTriggerSource: The Input Trigger source.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_TS_ITR0: Internal Trigger 0.
+  *     @arg TIM_TS_ITR1: Internal Trigger 1.
+  *     @arg TIM_TS_ITR2: Internal Trigger 2.
+  *     @arg TIM_TS_ITR3: Internal Trigger 3.
+  *     @arg TIM_TS_TI1F_ED: TI1 Edge Detector.
+  *     @arg TIM_TS_TI1FP1: Filtered Timer Input 1.
+  *     @arg TIM_TS_TI2FP2: Filtered Timer Input 2.
+  *     @arg TIM_TS_ETRF: External Trigger input.
+  * @retval None
+  */
+void TIM_SelectInputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource)
+{
+  uint16_t tmpsmcr = 0;
+
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx)); 
+  assert_param(IS_TIM_TRIGGER_SELECTION(TIM_InputTriggerSource));
+
+  /* Get the TIMx SMCR register value */
+  tmpsmcr = TIMx->SMCR;
+  /* Reset the TS Bits */
+  tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_TS));
+  /* Set the Input Trigger source */
+  tmpsmcr |= TIM_InputTriggerSource;
+  /* Write to TIMx SMCR */
+  TIMx->SMCR = tmpsmcr;
+}
+
+/**
+  * @brief  Selects the TIMx Trigger Output Mode.
+  * @param  TIMx: where x can be 2, 3, 4, 5, 6, 7 or 9 to select the TIM peripheral.
+  * @param  TIM_TRGOSource: specifies the Trigger Output source.
+  *   This paramter can be one of the following values:
+  *
+  *  @param For all TIMx
+  *     @arg TIM_TRGOSource_Reset:  The UG bit in the TIM_EGR register is used as the trigger output (TRGO).
+  *     @arg TIM_TRGOSource_Enable: The Counter Enable CEN is used as the trigger output (TRGO).
+  *     @arg TIM_TRGOSource_Update: The update event is selected as the trigger output (TRGO).
+  *
+  *  @param For all TIMx except TIM6 and TIM7
+  *     @arg TIM_TRGOSource_OC1: The trigger output sends a positive pulse when the CC1IF flag
+  *                              is to be set, as soon as a capture or compare match occurs (TRGO).
+  *     @arg TIM_TRGOSource_OC1Ref: OC1REF signal is used as the trigger output (TRGO).
+
+  *  @param For all TIMx except TIM6, TIM7, TIM10 and TIM11
+  *     @arg TIM_TRGOSource_OC2Ref: OC2REF signal is used as the trigger output (TRGO).
+
+  *  @param For TIM2, TIM3 and TIM4
+  *     @arg TIM_TRGOSource_OC3Ref: OC3REF signal is used as the trigger output (TRGO).
+  *     @arg TIM_TRGOSource_OC4Ref: OC4REF signal is used as the trigger output (TRGO).
+  *
+  * @retval None
+  */
+void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_TRGOSource)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST5_PERIPH(TIMx));
+  assert_param(IS_TIM_TRGO_SOURCE(TIM_TRGOSource));
+
+  /* Reset the MMS Bits */
+  TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_MMS);
+  /* Select the TRGO source */
+  TIMx->CR2 |=  TIM_TRGOSource;
+}
+
+/**
+  * @brief  Selects the TIMx Slave Mode.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_SlaveMode: specifies the Timer Slave Mode.
+  *   This paramter can be one of the following values:
+  *     @arg TIM_SlaveMode_Reset: Rising edge of the selected trigger signal (TRGI) re-initializes
+  *                               the counter and triggers an update of the registers.
+  *     @arg TIM_SlaveMode_Gated:     The counter clock is enabled when the trigger signal (TRGI) is high.
+  *     @arg TIM_SlaveMode_Trigger:   The counter starts at a rising edge of the trigger TRGI.
+  *     @arg TIM_SlaveMode_External1: Rising edges of the selected trigger (TRGI) clock the counter.
+  * @retval None
+  */
+void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx)); 
+  assert_param(IS_TIM_SLAVE_MODE(TIM_SlaveMode));
+  
+  /* Reset the SMS Bits */
+  TIMx->SMCR &= (uint16_t)~((uint16_t)TIM_SMCR_SMS);
+  /* Select the Slave Mode */
+  TIMx->SMCR |= TIM_SlaveMode;
+}
+
+/**
+  * @brief  Sets or Resets the TIMx Master/Slave Mode.
+  * @param  TIMx: where x can be 2, 3, 4, 5 or 9 to select the TIM peripheral.
+  * @param  TIM_MasterSlaveMode: specifies the Timer Master Slave Mode.
+  *   This paramter can be one of the following values:
+  *     @arg TIM_MasterSlaveMode_Enable: synchronization between the current timer
+  *                                      and its slaves (through TRGO).
+  *     @arg TIM_MasterSlaveMode_Disable: No action
+  * @retval None
+  */
+void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_MasterSlaveMode)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST2_PERIPH(TIMx));
+  assert_param(IS_TIM_MSM_STATE(TIM_MasterSlaveMode));
+  
+  /* Reset the MSM Bit */
+  TIMx->SMCR &= (uint16_t)~((uint16_t)TIM_SMCR_MSM);
+  
+  /* Set or Reset the MSM Bit */
+  TIMx->SMCR |= TIM_MasterSlaveMode;
+}
+
+/**
+  * @brief  Configures the TIMx External Trigger (ETR).
+  * @param  TIMx: where x can be 2, 3, 4, 5, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_ExtTRGPrescaler: The external Trigger Prescaler.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF.
+  *     @arg TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2.
+  *     @arg TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4.
+  *     @arg TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8.
+  * @param  TIM_ExtTRGPolarity: The external Trigger Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ExtTRGPolarity_Inverted: active low or falling edge active.
+  *     @arg TIM_ExtTRGPolarity_NonInverted: active high or rising edge active.
+  * @param  ExtTRGFilter: External Trigger Filter.
+  *   This parameter must be a value between 0x00 and 0x0F
+  * @retval None
+  */
+void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity,
+                   uint16_t ExtTRGFilter)
+{
+  uint16_t tmpsmcr = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST1_PERIPH(TIMx));
+  assert_param(IS_TIM_EXT_PRESCALER(TIM_ExtTRGPrescaler));
+  assert_param(IS_TIM_EXT_POLARITY(TIM_ExtTRGPolarity));
+  assert_param(IS_TIM_EXT_FILTER(ExtTRGFilter));
+  
+  tmpsmcr = TIMx->SMCR;
+  /* Reset the ETR Bits */
+  tmpsmcr &= SMCR_ETR_MASK;
+  /* Set the Prescaler, the Filter value and the Polarity */
+  tmpsmcr |= (uint16_t)(TIM_ExtTRGPrescaler | (uint16_t)(TIM_ExtTRGPolarity | (uint16_t)(ExtTRGFilter << (uint16_t)8)));
+  /* Write to TIMx SMCR */
+  TIMx->SMCR = tmpsmcr;
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup TIM_Group7 Specific interface management functions
+ *  @brief    Specific interface management functions 
+ *
+@verbatim
+ ===============================================================================
+             ##### Specific interface management functions #####
+ ===============================================================================
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Configures the TIMx Encoder Interface.
+  * @param  TIMx: where x can be  2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  TIM_EncoderMode: specifies the TIMx Encoder Mode.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_EncoderMode_TI1: Counter counts on TI1FP1 edge depending on TI2FP2 level.
+  *     @arg TIM_EncoderMode_TI2: Counter counts on TI2FP2 edge depending on TI1FP1 level.
+  *     @arg TIM_EncoderMode_TI12: Counter counts on both TI1FP1 and TI2FP2 edges depending
+  *                                on the level of the other input.
+  * @param  TIM_IC1Polarity: specifies the IC1 Polarity.
+  *   This parmeter can be one of the following values:
+  *     @arg TIM_ICPolarity_Falling: IC Falling edge.
+  *     @arg TIM_ICPolarity_Rising: IC Rising edge.
+  * @param  TIM_IC2Polarity: specifies the IC2 Polarity
+  *   This parmeter can be one of the following values:
+  *     @arg TIM_ICPolarity_Falling: IC Falling edge.
+  *     @arg TIM_ICPolarity_Rising: IC Rising edge.
+  * @retval None
+  */
+void TIM_EncoderInterfaceConfig(TIM_TypeDef* TIMx, uint16_t TIM_EncoderMode,
+                                uint16_t TIM_IC1Polarity, uint16_t TIM_IC2Polarity)
+{
+  uint16_t tmpsmcr = 0;
+  uint16_t tmpccmr1 = 0;
+  uint16_t tmpccer = 0;
+    
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_TIM_ENCODER_MODE(TIM_EncoderMode));
+  assert_param(IS_TIM_IC_POLARITY(TIM_IC1Polarity));
+  assert_param(IS_TIM_IC_POLARITY(TIM_IC2Polarity));
+  
+  /* Get the TIMx SMCR register value */
+  tmpsmcr = TIMx->SMCR;
+  /* Get the TIMx CCMR1 register value */
+  tmpccmr1 = TIMx->CCMR1;
+  /* Get the TIMx CCER register value */
+  tmpccer = TIMx->CCER;
+  /* Set the encoder Mode */
+  tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMCR_SMS));
+  tmpsmcr |= TIM_EncoderMode;
+  /* Select the Capture Compare 1 and the Capture Compare 2 as input */
+  tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC1S)) & (uint16_t)(~((uint16_t)TIM_CCMR1_CC2S)));
+  tmpccmr1 |= TIM_CCMR1_CC1S_0 | TIM_CCMR1_CC2S_0;
+  /* Set the TI1 and the TI2 Polarities */
+  tmpccer &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCER_CC1P)) & ((uint16_t)~((uint16_t)TIM_CCER_CC2P)));
+   tmpccer |= (uint16_t)(TIM_IC1Polarity | (uint16_t)(TIM_IC2Polarity << (uint16_t)4));
+  /* Write to TIMx SMCR */
+  TIMx->SMCR = tmpsmcr;
+  /* Write to TIMx CCMR1 */
+  TIMx->CCMR1 = tmpccmr1;
+  /* Write to TIMx CCER */
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Enables or disables the TIMx's Hall sensor interface.
+  * @param  TIMx: where x can be 2, 3, 4 or 5 to select the TIM peripheral.
+  * @param  NewState: new state of the TIMx Hall sensor interface.
+  *   This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void TIM_SelectHallSensor(TIM_TypeDef* TIMx, FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  
+  if (NewState != DISABLE)
+  {
+    /* Set the TI1S Bit */
+    TIMx->CR2 |= TIM_CR2_TI1S;
+  }
+  else
+  {
+    /* Reset the TI1S Bit */
+    TIMx->CR2 &= (uint16_t)~((uint16_t)TIM_CR2_TI1S);
+  }
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup TIM_Group8 Specific remapping management function
+ *  @brief   Specific remapping management function
+ *
+@verbatim
+ ===============================================================================
+               ##### Specific remapping management function #####
+ ===============================================================================
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Configures the TIM2, TIM3, TIM9, TIM10 and TIM11 Remapping input 
+  *         Capabilities.
+  * @param  TIMx: where x can be 2, 3, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_Remap: specifies the TIM input remapping source.
+  *   This parameter can be one of the following values:
+  *     @arg TIM2_TIM10_OC: TIM2 ITR1 is connected to TIM10 output compare(default).
+  *     @arg TIM2_TIM5_TRGO: TIM2 ITR1 is connected to TIM5 Trigger output.
+  *     @arg TIM3_TIM11_OC: TIM3 ITR2 is connected to TIM11 output compare(default).
+  *     @arg TIM3_TIM5_TRGO: TIM3 ITR2 is connected to TIM5 Trigger output.
+  *     @arg TIM9_GPIO: TIM9 Channel 1 is connected to dedicated Timer pin(default).
+  *     @arg TIM9_LSE: TIM9 Channel 1 is connected to LSE clock.
+  *     @arg TIM9_TIM3_TRGO: TIM9 ITR1 is connected to TIM3 TRGO.
+  *     @arg TIM9_TS_IO: TIM9 ITR1 is connected to Touch Sense IO.
+  *     @arg TIM10_GPIO: TIM10 Channel 1 is connected to dedicated Timer pin(default).
+  *     @arg TIM10_LSI: TIM10 Channel 1 is connected to LSI clock.
+  *     @arg TIM10_LSE: TIM10 Channel 1 is connected to LSE clock.
+  *     @arg TIM10_RTC: TIM10 Channel 1 is connected to RTC Output event.
+  *     @arg TIM10_RI: TIM10 Channel 1 is connected to Routing Interface (RI).  
+  *     @arg TIM10_ETR_LSE: TIM10 ETR input is connected to LSE Clock.
+  *     @arg TIM10_ETR_TIM9_TRGO: TIM10 ETR input is connected to TIM9 Trigger Output.
+  *     @arg TIM11_GPIO: TIM11 Channel 1 is connected to dedicated Timer pin(default). 
+  *     @arg TIM11_MSI: TIM11 Channel 1 is connected to MSI clock.
+  *     @arg TIM11_HSE_RTC: TIM11 Channel 1 is connected to HSE_RTC clock.
+  *     @arg TIM11_RI: TIM11 Channel 1 is connected to Routing Interface (RI).  
+  *     @arg TIM11_ETR_LSE: TIM11 ETR input is connected to LSE Clock.
+  *     @arg TIM11_ETR_TIM9_TRGO: TIM11 ETR input is connected to TIM9 Trigger Output.
+  * @retval None
+  */
+void TIM_RemapConfig(TIM_TypeDef* TIMx, uint32_t TIM_Remap)
+{
+  /* Check the parameters */
+  assert_param(IS_TIM_LIST6_PERIPH(TIMx));
+  assert_param(IS_TIM_REMAP(TIM_Remap));
+
+  /* Set the Timer remapping configuration */
+  TIMx->OR &=  (uint16_t)(TIM_Remap >> 16);
+  TIMx->OR |=  (uint16_t)TIM_Remap;
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @brief  Configure the TI1 as Input.
+  * @param  TIMx: where x can be 2, 3, 4, 9, 10 or 11 to select the TIM peripheral.
+  * @param  TIM_ICPolarity : The Input Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPolarity_Rising: IC Rising edge.
+  *     @arg TIM_ICPolarity_Falling: IC Falling edge.
+  * @param  TIM_ICSelection: specifies the input to be used.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICSelection_DirectTI: TIM Input 1 is selected to be connected to IC1.
+  *     @arg TIM_ICSelection_IndirectTI: TIM Input 1 is selected to be connected to IC2.
+  *     @arg TIM_ICSelection_TRC: TIM Input 1 is selected to be connected to TRC.
+  * @param  TIM_ICFilter: Specifies the Input Capture Filter.
+  *   This parameter must be a value between 0x00 and 0x0F.
+  * @retval None
+  */
+static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+                       uint16_t TIM_ICFilter)
+{
+  uint16_t tmpccmr1 = 0, tmpccer = 0;
+  
+  /* Disable the Channel 1: Reset the CC1E Bit */
+  TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC1E);
+  tmpccmr1 = TIMx->CCMR1;
+  tmpccer = TIMx->CCER;
+  /* Select the Input and set the filter */
+  tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC1S)) & ((uint16_t)~((uint16_t)TIM_CCMR1_IC1F)));
+  tmpccmr1 |= (uint16_t)(TIM_ICSelection | (uint16_t)(TIM_ICFilter << (uint16_t)4));
+  /* Select the Polarity and set the CC1E Bit */
+  tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC1P | TIM_CCER_CC1NP));
+  tmpccer |= (uint16_t)(TIM_ICPolarity | (uint16_t)TIM_CCER_CC1E);
+  /* Write to TIMx CCMR1 and CCER registers */
+  TIMx->CCMR1 = tmpccmr1;
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Configure the TI2 as Input.
+  * @param  TIMx: where x can be 2, 3, 4 or 9 to select the TIM peripheral.
+  * @param  TIM_ICPolarity : The Input Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPolarity_Rising: IC Rising edge.
+  *     @arg TIM_ICPolarity_Falling: IC Falling edge.
+  * @param  TIM_ICSelection: specifies the input to be used.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICSelection_DirectTI: TIM Input 2 is selected to be connected to IC2.
+  *     @arg TIM_ICSelection_IndirectTI: TIM Input 2 is selected to be connected to IC1.
+  *     @arg TIM_ICSelection_TRC: TIM Input 2 is selected to be connected to TRC.
+  * @param  TIM_ICFilter: Specifies the Input Capture Filter.
+  *   This parameter must be a value between 0x00 and 0x0F.
+  * @retval None
+  */
+static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+                       uint16_t TIM_ICFilter)
+{
+  uint16_t tmpccmr1 = 0, tmpccer = 0, tmp = 0;
+  
+  /* Disable the Channel 2: Reset the CC2E Bit */
+  TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC2E);
+  tmpccmr1 = TIMx->CCMR1;
+  tmpccer = TIMx->CCER;
+  tmp = (uint16_t)(TIM_ICPolarity << 4);
+  /* Select the Input and set the filter */
+  tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR1_CC2S)) & ((uint16_t)~((uint16_t)TIM_CCMR1_IC2F)));
+  tmpccmr1 |= (uint16_t)(TIM_ICFilter << 12);
+  tmpccmr1 |= (uint16_t)(TIM_ICSelection << 8);
+  /* Select the Polarity and set the CC2E Bit */
+  tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC2P | TIM_CCER_CC2NP));
+  tmpccer |=  (uint16_t)(tmp | (uint16_t)TIM_CCER_CC2E);
+  /* Write to TIMx CCMR1 and CCER registers */
+  TIMx->CCMR1 = tmpccmr1 ;
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Configure the TI3 as Input.
+  * @param  TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
+  * @param  TIM_ICPolarity : The Input Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPolarity_Rising: IC Rising edge.
+  *     @arg TIM_ICPolarity_Falling: IC Falling edge.
+  * @param  TIM_ICSelection: specifies the input to be used.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICSelection_DirectTI: TIM Input 3 is selected to be connected to IC3.
+  *     @arg TIM_ICSelection_IndirectTI: TIM Input 3 is selected to be connected to IC4.
+  *     @arg TIM_ICSelection_TRC: TIM Input 3 is selected to be connected to TRC.
+  * @param  TIM_ICFilter: Specifies the Input Capture Filter.
+  *   This parameter must be a value between 0x00 and 0x0F.
+  * @retval None
+  */
+static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+                       uint16_t TIM_ICFilter)
+{
+  uint16_t tmpccmr2 = 0, tmpccer = 0, tmp = 0;
+  
+  /* Disable the Channel 3: Reset the CC3E Bit */
+  TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC3E);
+  tmpccmr2 = TIMx->CCMR2;
+  tmpccer = TIMx->CCER;
+  tmp = (uint16_t)(TIM_ICPolarity << 8);
+  /* Select the Input and set the filter */
+  tmpccmr2 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CCMR2_CC3S)) & ((uint16_t)~((uint16_t)TIM_CCMR2_IC3F)));
+  tmpccmr2 |= (uint16_t)(TIM_ICSelection | (uint16_t)(TIM_ICFilter << (uint16_t)4));
+  /* Select the Polarity and set the CC3E Bit */
+  tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC3P | TIM_CCER_CC3NP));
+  tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CCER_CC3E);
+  /* Write to TIMx CCMR2 and CCER registers */
+  TIMx->CCMR2 = tmpccmr2;
+  TIMx->CCER = tmpccer;
+}
+
+/**
+  * @brief  Configure the TI4 as Input.
+  * @param  TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
+  * @param  TIM_ICPolarity : The Input Polarity.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICPolarity_Rising: IC Rising edge.
+  *     @arg TIM_ICPolarity_Falling: IC Falling edge.
+  * @param  TIM_ICSelection: specifies the input to be used.
+  *   This parameter can be one of the following values:
+  *     @arg TIM_ICSelection_DirectTI: TIM Input 4 is selected to be connected to IC4.
+  *     @arg TIM_ICSelection_IndirectTI: TIM Input 4 is selected to be connected to IC3.
+  *     @arg TIM_ICSelection_TRC: TIM Input 4 is selected to be connected to TRC.
+  * @param  TIM_ICFilter: Specifies the Input Capture Filter.
+  *   This parameter must be a value between 0x00 and 0x0F.
+  * @retval None
+  */
+static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
+                       uint16_t TIM_ICFilter)
+{
+  uint16_t tmpccmr2 = 0, tmpccer = 0, tmp = 0;
+  
+  /* Disable the Channel 4: Reset the CC4E Bit */
+  TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CCER_CC4E);
+  tmpccmr2 = TIMx->CCMR2;
+  tmpccer = TIMx->CCER;
+  tmp = (uint16_t)(TIM_ICPolarity << 12);
+  /* Select the Input and set the filter */
+  tmpccmr2 &= (uint16_t)((uint16_t)(~(uint16_t)TIM_CCMR2_CC4S) & ((uint16_t)~((uint16_t)TIM_CCMR2_IC4F)));
+  tmpccmr2 |= (uint16_t)(TIM_ICSelection << 8);
+  tmpccmr2 |= (uint16_t)(TIM_ICFilter << 12);
+
+  /* Select the Polarity and set the CC4E Bit */
+  tmpccer &= (uint16_t)~((uint16_t)(TIM_CCER_CC4P | TIM_CCER_CC4NP));
+  tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CCER_CC4E);
+  /* Write to TIMx CCMR2 and CCER registers */
+  TIMx->CCMR2 = tmpccmr2;
+  TIMx->CCER = tmpccer ;
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/