Diff: cube_hal_l4.c

Revision:

0:fb1547f2354e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cube_hal_l4.c	Mon Nov 12 18:36:18 2018 +0000
@@ -0,0 +1,97 @@
+/**
+  ******************************************************************************
+  * @file    cube_hal_l4.c
+  * @author  CL
+  * @version V1.0.0
+  * @date    13-July-2015
+  * @brief   
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 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"
+
+/**
+  * @brief  System Clock Configuration
+  *         The system Clock is configured as follows :
+  *            System Clock source            = PLL (MSI)
+  *            SYSCLK(Hz)                     = 80000000
+  *            HCLK(Hz)                       = 80000000
+  *            AHB Prescaler                  = 1
+  *            APB1 Prescaler                 = 1
+  *            APB2 Prescaler                 = 1
+  *            MSI Frequency(Hz)              = 4000000
+  *            PLL_M                          = 1
+  *            PLL_N                          = 40
+  *            PLL_R                          = 2
+  *            PLL_P                          = 7
+  *            PLL_Q                          = 4
+  *            Flash Latency(WS)              = 4
+  * @param  None
+  * @retval None
+  */
+  void SystemClock_Config(void)
+{
+  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+
+  /* MSI is enabled after System reset, activate PLL with MSI as source */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
+  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
+  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
+  RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
+  RCC_OscInitStruct.PLL.PLLM = 1;
+  RCC_OscInitStruct.PLL.PLLN = 40;
+  RCC_OscInitStruct.PLL.PLLR = 2;
+  RCC_OscInitStruct.PLL.PLLP = 7;
+  RCC_OscInitStruct.PLL.PLLQ = 4;
+  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+  {
+    /* Initialization Error */
+    while(1);
+  }
+  
+  /* 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_DIV1;  
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;  
+  if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
+  {
+    /* Initialization Error */
+    while(1);
+  } 
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/