test
SysClockConf.cpp@8:2582ee8cc84c, 2017-05-27 (annotated)
- Committer:
- hudakz
- Date:
- Sat May 27 09:31:15 2017 +0000
- Revision:
- 8:2582ee8cc84c
- Parent:
- 5:9fbbea76d6f6
- Child:
- 11:e0edd7ea602a
Updated.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hudakz | 4:306609fe9dc8 | 1 | /* |
hudakz | 4:306609fe9dc8 | 2 | ****************************************************************************** |
hudakz | 4:306609fe9dc8 | 3 | * @file SysClockConf.c |
hudakz | 4:306609fe9dc8 | 4 | * @author Zoltan Hudak |
hudakz | 4:306609fe9dc8 | 5 | * @version |
hudakz | 4:306609fe9dc8 | 6 | * @date 05-July-2016 |
hudakz | 4:306609fe9dc8 | 7 | * @brief System Clock configuration for STM32F103C8T6 |
hudakz | 4:306609fe9dc8 | 8 | ****************************************************************************** |
hudakz | 4:306609fe9dc8 | 9 | * @attention |
hudakz | 4:306609fe9dc8 | 10 | * |
hudakz | 8:2582ee8cc84c | 11 | * <h2><center>© COPYRIGHT(c) 2016 Zoltan Hudak <hudakz@outlook.com> |
hudakz | 4:306609fe9dc8 | 12 | * |
hudakz | 4:306609fe9dc8 | 13 | * All rights reserved. |
hudakz | 4:306609fe9dc8 | 14 | |
hudakz | 4:306609fe9dc8 | 15 | This program is free software: you can redistribute it and/or modify |
hudakz | 4:306609fe9dc8 | 16 | it under the terms of the GNU General Public License as published by |
hudakz | 4:306609fe9dc8 | 17 | the Free Software Foundation, either version 3 of the License, or |
hudakz | 4:306609fe9dc8 | 18 | (at your option) any later version. |
hudakz | 4:306609fe9dc8 | 19 | |
hudakz | 4:306609fe9dc8 | 20 | This program is distributed in the hope that it will be useful, |
hudakz | 4:306609fe9dc8 | 21 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
hudakz | 4:306609fe9dc8 | 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
hudakz | 4:306609fe9dc8 | 23 | GNU General Public License for more details. |
hudakz | 4:306609fe9dc8 | 24 | |
hudakz | 4:306609fe9dc8 | 25 | You should have received a copy of the GNU General Public License |
hudakz | 4:306609fe9dc8 | 26 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
hudakz | 4:306609fe9dc8 | 27 | */ |
hudakz | 4:306609fe9dc8 | 28 | |
hudakz | 2:534793444c60 | 29 | #include "SysClockConf.h" |
hudakz | 2:534793444c60 | 30 | #include "mbed.h" |
hudakz | 2:534793444c60 | 31 | |
hudakz | 8:2582ee8cc84c | 32 | extern volatile uint32_t tim_it_counter; |
hudakz | 8:2582ee8cc84c | 33 | volatile uint32_t tim_init; |
hudakz | 8:2582ee8cc84c | 34 | |
hudakz | 8:2582ee8cc84c | 35 | void HSE_SystemClock_Config(void) { |
hudakz | 2:534793444c60 | 36 | RCC_OscInitTypeDef RCC_OscInitStruct; |
hudakz | 8:2582ee8cc84c | 37 | RCC_ClkInitTypeDef RCC_ClkInitStruct; |
hudakz | 2:534793444c60 | 38 | |
hudakz | 2:534793444c60 | 39 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
hudakz | 2:534793444c60 | 40 | RCC_OscInitStruct.HSEState = RCC_HSE_ON; |
hudakz | 2:534793444c60 | 41 | RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; |
hudakz | 2:534793444c60 | 42 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
hudakz | 2:534793444c60 | 43 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
hudakz | 5:9fbbea76d6f6 | 44 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; |
hudakz | 8:2582ee8cc84c | 45 | HAL_RCC_OscConfig(&RCC_OscInitStruct); |
hudakz | 2:534793444c60 | 46 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |
hudakz | 8:2582ee8cc84c | 47 | |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; |
hudakz | 2:534793444c60 | 48 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
hudakz | 2:534793444c60 | 49 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
hudakz | 2:534793444c60 | 50 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; |
hudakz | 2:534793444c60 | 51 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; |
hudakz | 8:2582ee8cc84c | 52 | HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2); |
hudakz | 2:534793444c60 | 53 | RCC_PeriphCLKInitTypeDef PeriphClkInit; |
hudakz | 2:534793444c60 | 54 | PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC|RCC_PERIPHCLK_USB; |
hudakz | 5:9fbbea76d6f6 | 55 | PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6; |
hudakz | 8:2582ee8cc84c | 56 | PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5; |
hudakz | 8:2582ee8cc84c | 57 | HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit); |
hudakz | 2:534793444c60 | 58 | } |
hudakz | 2:534793444c60 | 59 | |
hudakz | 5:9fbbea76d6f6 | 60 | bool confSysClock(void) { |
hudakz | 8:2582ee8cc84c | 61 | tim_init = tim_it_counter; |
hudakz | 2:534793444c60 | 62 | HAL_RCC_DeInit(); |
hudakz | 8:2582ee8cc84c | 63 | HSE_SystemClock_Config(); |
hudakz | 2:534793444c60 | 64 | SystemCoreClockUpdate(); |
hudakz | 2:534793444c60 | 65 | return true; |
hudakz | 2:534793444c60 | 66 | } |