--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/l476rg/Src/stm32l4xx_hal_timebase_TIM.c	Thu Jan 12 02:45:43 2017 +0300
@@ -0,0 +1,143 @@
+/**
+  ******************************************************************************
+  * @file    stm32l4xx_hal_timebase_TIM.c 
+  * @brief   HAL time base based on the hardware TIM.
+  ******************************************************************************
+  *
+  * COPYRIGHT(c) 2017 STMicroelectronics
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx_hal.h"
+#include "stm32l4xx_hal_tim.h"
+/** @addtogroup STM32F7xx_HAL_Examples
+  * @{
+  */
+
+/** @addtogroup HAL_TimeBase
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+TIM_HandleTypeDef        htim6; 
+uint32_t                 uwIncrementState = 0;
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/**
+  * @brief  This function configures the TIM6 as a time base source. 
+  *         The time source is configured  to have 1ms time base with a dedicated 
+  *         Tick interrupt priority. 
+  * @note   This function is called  automatically at the beginning of program after
+  *         reset by HAL_Init() or at any time when clock is configured, by HAL_RCC_ClockConfig(). 
+  * @param  TickPriority: Tick interrupt priorty.
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
+{
+  RCC_ClkInitTypeDef    clkconfig;
+  uint32_t              uwTimclock = 0;
+  uint32_t              uwPrescalerValue = 0;
+  uint32_t              pFLatency;
+  
+  /*Configure the TIM6 IRQ priority */
+  HAL_NVIC_SetPriority(TIM6_DAC_IRQn, TickPriority ,0); 
+  
+  /* Enable the TIM6 global Interrupt */
+  HAL_NVIC_EnableIRQ(TIM6_DAC_IRQn); 
+  
+  /* Enable TIM6 clock */
+  __HAL_RCC_TIM6_CLK_ENABLE();
+  
+  /* Get clock configuration */
+  HAL_RCC_GetClockConfig(&clkconfig, &pFLatency);
+  
+  /* Compute TIM6 clock */
+  uwTimclock = HAL_RCC_GetPCLK1Freq();
+   
+  /* Compute the prescaler value to have TIM6 counter clock equal to 1MHz */
+  uwPrescalerValue = (uint32_t) ((uwTimclock / 1000000) - 1);
+  
+  /* Initialize TIM6 */
+  htim6.Instance = TIM6;
+  
+  /* Initialize TIMx peripheral as follow:
+  + Period = [(TIM6CLK/1000) - 1]. to have a (1/1000) s time base.
+  + Prescaler = (uwTimclock/1000000 - 1) to have a 1MHz counter clock.
+  + ClockDivision = 0
+  + Counter direction = Up
+  */
+  htim6.Init.Period = (1000000 / 1000) - 1;
+  htim6.Init.Prescaler = uwPrescalerValue;
+  htim6.Init.ClockDivision = 0;
+  htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
+  if(HAL_TIM_Base_Init(&htim6) == HAL_OK)
+  {
+    /* Start the TIM time Base generation in interrupt mode */
+    return HAL_TIM_Base_Start_IT(&htim6);
+  }
+  
+  /* Return function status */
+  return HAL_ERROR;
+}
+
+/**
+  * @brief  Suspend Tick increment.
+  * @note   Disable the tick increment by disabling TIM6 update interrupt.
+  * @param  None
+  * @retval None
+  */
+void HAL_SuspendTick(void)
+{
+  /* Disable TIM6 update Interrupt */
+  __HAL_TIM_DISABLE_IT(&htim6, TIM_IT_UPDATE);                                                  
+}
+
+/**
+  * @brief  Resume Tick increment.
+  * @note   Enable the tick increment by Enabling TIM6 update interrupt.
+  * @param  None
+  * @retval None
+  */
+void HAL_ResumeTick(void)
+{
+  /* Enable TIM6 Update interrupt */
+  __HAL_TIM_ENABLE_IT(&htim6, TIM_IT_UPDATE);
+}
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/