test
SysClockConf.cpp
- Committer:
- hudakz
- Date:
- 2017-05-27
- Revision:
- 8:2582ee8cc84c
- Parent:
- 5:9fbbea76d6f6
- Child:
- 11:e0edd7ea602a
File content as of revision 8:2582ee8cc84c:
/* ****************************************************************************** * @file SysClockConf.c * @author Zoltan Hudak * @version * @date 05-July-2016 * @brief System Clock configuration for STM32F103C8T6 ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2016 Zoltan Hudak <hudakz@outlook.com> * * All rights reserved. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "SysClockConf.h" #include "mbed.h" extern volatile uint32_t tim_it_counter; volatile uint32_t tim_init; void HSE_SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct; RCC_ClkInitTypeDef RCC_ClkInitStruct; RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_ON; RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; HAL_RCC_OscConfig(&RCC_OscInitStruct); RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |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); RCC_PeriphCLKInitTypeDef PeriphClkInit; PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC|RCC_PERIPHCLK_USB; PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6; PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5; HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit); } bool confSysClock(void) { tim_init = tim_it_counter; HAL_RCC_DeInit(); HSE_SystemClock_Config(); SystemCoreClockUpdate(); return true; }