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UWB测距和定位,多点定位,stm32源码,esp8266 wifi链接服务器
代码片段和文件信息
/**
******************************************************************************
* @file system_stm32f4xx.c
* @author MCD Application Team
* @version V1.6.1
* @date 21-October-2015
* @brief CMSIS Cortex-M4 Device Peripheral Access layer System Source File.
* This file contains the system clock configuration for STM32F4xx devices.
*
* 1. This file provides two functions and one global variable to be called from
* user application:
* - SystemInit(): Setups the system clock (System clock source PLL Multiplier
* and Divider factors AHB/APBx prescalers and Flash settings)
* depending on the configuration made in the clock xls tool.
* This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the “startup_stm32f4xx.s“ file.
*
* - SystemCoreClock variable: Contains the core clock (HCLK) it can be used
* by the user application to setup the SysTick
* timer or configure other parameters.
*
* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
* be called whenever the core clock is changed
* during program execution.
*
* 2. After each device reset the HSI (16 MHz) is used as system clock source.
* Then SystemInit() function is called in “startup_stm32f4xx.s“ file to
* configure the system clock before to branch to main program.
*
* 3. If the system clock source selected by user fails to startup the SystemInit()
* function will do nothing and HSI still used as system clock source. User can
* add some code to deal with this issue inside the SetSysClock() function.
*
* 4. The default value of HSE crystal is set to 25MHz refer to “HSE_VALUE“ define
* in “stm32f4xx.h“ file. When HSE is used as system clock source directly or
* through PLL and you are using different crystal you have to adapt the HSE
* value to your own configuration.
*
* 5. This file configures the system clock as follows:
*=============================================================================
*=============================================================================
* Supported STM32F40xxx/41xxx devices
*-----------------------------------------------------------------------------
* System Clock source | PLL (HSE)
*-----------------------------------------------------------------------------
* SYSCLK(Hz) | 168000000
*-----------------------------------------------------------------------------
* HCLK(Hz) | 168000000
*------------------------
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
....... 172641 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\CMSIS_END_USER_LICENCE_AGREEMENT.pdf
....... 43618 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Device\Release_Notes.html
....... 26123 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Device\startup_stm32f411xe.s
....... 872676 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Device\stm32f4xx.h
....... 52901 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Device\system_stm32f4xx.c
....... 2129 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Device\system_stm32f4xx.h
....... 1614 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\DSP_Lib\license.txt
....... 7115 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\arm_common_tables.h
....... 3861 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\arm_const_structs.h
....... 243652 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\arm_math.h
....... 108149 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\core_cm4.h
....... 16790 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\core_cmFunc.h
....... 25974 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\core_cmInstr.h
....... 22251 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\core_cmSimd.h
....... 41914 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\core_sc000.h
....... 97597 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\Include\core_sc300.h
....... 1694 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\CMSIS\README.txt
....... 6747 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\misc.h
....... 32265 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_adc.h
....... 26675 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_can.h
....... 12144 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_cec.h
....... 2334 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_crc.h
....... 14098 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_cryp.h
....... 14643 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dac.h
....... 4188 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dbgmcu.h
....... 12666 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dcmi.h
....... 28274 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dma.h
....... 19227 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dma2d.h
....... 40435 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dsi.h
....... 7931 2016-10-24 10:39 KDWM_ModuleSTD_DW1000\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_exti.h
............此处省略112个文件信息
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