text: /**
    *******************************************************************************
    * @file    Projects/Multi/Examples/IKS01A2/DataLogExtended/Src/cube_hal_f4.c
    * @author  CL
    * @version V4.0.0
    * @date    1-May-2017
    * @brief   Specific Cube settings for STM32F4 Nucleo boards
    *******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
    *
    * Redistribution and use in source and binary forms, with or without modification,
    * are permitted provided that the following conditions are met:
    *   1. Redistributions of source code must retain the above copyright notice,
    *      this list of conditions and the following disclaimer.
    *   2. Redistributions in binary form must reproduce the above copyright notice,
    *      this list of conditions and the following disclaimer in the documentation
    *      and/or other materials provided with the distribution.
    *   3. Neither the name of STMicroelectronics nor the names of its contributors
    *      may be used to endorse or promote products derived from this software
    *      without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    * ******************************************************************************
    */
  
  /* Includes ------------------------------------------------------------------*/
  #include "cube_hal.h"
  #include "main.h"
  #include "com.h"
  
  /** @addtogroup X_NUCLEO_IKS01A2_Examples
    * @{
    */
  
  /** @addtogroup DATALOG_EXTENDED
    * @{
    */
  
  /**
   * @brief  System Clock Configuration
   * @param  None
   * @retval None
   */
  void SystemClock_Config(void)
  {
    RCC_ClkInitTypeDef RCC_ClkInitStruct;
    RCC_OscInitTypeDef RCC_OscInitStruct;
  
    /* Enable Power Control clock */
    __PWR_CLK_ENABLE();
  
    /* The voltage scaling allows optimizing the power consumption when the device is
    clocked below the maximum system frequency, to update the voltage scaling value
    regarding system frequency refer to product datasheet.  */
    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
  
    /* Enable HSE Oscillator and activate PLL with HSI as source */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.HSICalibrationValue = 16;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
    RCC_OscInitStruct.PLL.PLLM = 16;
    RCC_OscInitStruct.PLL.PLLN = 336;
    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
    RCC_OscInitStruct.PLL.PLLQ = 7;
    HAL_RCC_OscConfig(&RCC_OscInitStruct);
  
    /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
      clocks dividers */
    RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
    HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
  }
  
  /**
   * @brief  Get the DMA Stream pending flags
   * @param  handle_dma DMA handle
   * @retval The state of FLAG (SET or RESET)
   */
  uint32_t Get_DMA_Flag_Status(DMA_HandleTypeDef *handle_dma)
  {
    return (__HAL_DMA_GET_FLAG(handle_dma, __HAL_DMA_GET_FE_FLAG_INDEX(handle_dma)));
  }
  
  /**
   * @brief  Returns the number of remaining data units in the current DMAy Streamx transfer
   * @param  handle_dma DMA handle
   * @retval The number of remaining data units in the current DMA Stream transfer
   */
  uint32_t Get_DMA_Counter(DMA_HandleTypeDef *handle_dma)
  {
    return (__HAL_DMA_GET_COUNTER(handle_dma));
  }
  
  /**
   * @brief  Configure the DMA handler for transmission process
   * @param  handle_dma DMA handle
   * @retval None
   */
  void Config_DMA_Handler(DMA_HandleTypeDef *handle_dma)
  {
    handle_dma->Instance                 = DMA1_Stream5;
  
    handle_dma->Init.Channel             = DMA_CHANNEL_4;
    handle_dma->Init.Direction           = DMA_PERIPH_TO_MEMORY;
    handle_dma->Init.PeriphInc           = DMA_PINC_DISABLE;
    handle_dma->Init.MemInc              = DMA_MINC_ENABLE;
    handle_dma->Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
    handle_dma->Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
    handle_dma->Init.Mode                = DMA_CIRCULAR;//DMA_CIRCULAR;
    handle_dma->Init.Priority            = DMA_PRIORITY_MEDIUM;
    handle_dma->Init.FIFOMode            = DMA_FIFOMODE_DISABLE;
    handle_dma->Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
    handle_dma->Init.MemBurst            = DMA_MBURST_INC4;
    handle_dma->Init.PeriphBurst         = DMA_MBURST_INC4;
  }
  
  /**
  * @}
  */
  
  /**
  * @}
  */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  