资源简介
stm32f4硬件i2c读取ms5611气压计,通过串口发送到电脑
代码片段和文件信息
/**
******************************************************************************
* @file system_stm32f4xx.c
* @author MCD Application Team
* @version V1.0.0
* @date 30-September-2011
* @brief CMSIS Cortex-M4 Device Peripheral Access layer System Source File.
* This file contains the system clock configuration for STM32F4xx devices
* and is generated by the clock configuration tool
* stm32f4xx_Clock_Configuration_V1.0.0.xls
*
* 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 STM32F4xx device revision | Rev A
*-----------------------------------------------------------------------------
* System Clock source | PLL (HSE)
*-----------------------------------------------------------------------------
* SYSCLK(Hz) | 168000000
*-
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2015-03-16 20:42 ms5611\
目录 0 2015-03-16 20:42 ms5611\Libraries\
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\
文件 51511 2014-10-29 18:18 ms5611\Libraries\CMSIS\CMSIS END USER LICENCE AGREEMENT.pdf
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\DSP_Lib\
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\DSP_Lib\Examples\
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\DSP_Lib\Examples\Common\
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\DSP_Lib\Examples\Common\Include\
文件 1979 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\Common\Include\math_helper.h
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\DSP_Lib\Examples\Common\Source\
文件 9852 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\Common\Source\math_helper.c
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\
文件 405 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\arm_class_marks_example.ini
文件 8217 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\arm_cortexM0l_class_marks_example.uvopt
文件 15090 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\arm_cortexM0l_class_marks_example.uvproj
文件 8417 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\arm_cortexM3l_class_marks_example.uvopt
文件 15082 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\arm_cortexM3l_class_marks_example.uvproj
文件 8233 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\arm_cortexM4lf_class_marks_example.uvopt
文件 15107 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\arm_cortexM4lf_class_marks_example.uvproj
文件 4363 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\startup_ARMCM0.s
文件 5000 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\startup_ARMCM3.s
文件 5000 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\ARM\startup_ARMCM4.s
目录 0 2015-03-16 20:42 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\GCC\
文件 5804 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\GCC\ARMCMx.ld
文件 405 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\GCC\arm_class_marks_example.ini
文件 7549 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\GCC\arm_cortexM0l_class_marks_example.uvopt
文件 11862 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\GCC\arm_cortexM0l_class_marks_example.uvproj
文件 7563 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\GCC\arm_cortexM3l_class_marks_example.uvopt
文件 11854 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\GCC\arm_cortexM3l_class_marks_example.uvproj
文件 7564 2014-10-29 18:18 ms5611\Libraries\CMSIS\DSP_Lib\Examples\arm_class_marks_example\GCC\arm_cortexM4lf_class_marks_example.uvopt
............此处省略1482个文件信息
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