资源简介
基于STM32F429平台驱动的OV2710摄像头模组。支持1080P、720P、VGA。由于STM32支持的外设频率低于摄像头的默认PCLK,所以有一些特殊的寄存器设置。
代码片段和文件信息
/**
******************************************************************************
* @file system_stm32f4xx.c
* @author MCD Application Team
* @version V1.5.0
* @date 06-March-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)
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 34 2016-12-29 14:24 Demo_OV2710\Doc\readme.txt
文件 399 2016-12-29 14:24 Demo_OV2710\keilkill.bat
文件 767942 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Device\ST\STM32F4xx\Include\stm32f4xx.h
文件 2232 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Device\ST\STM32F4xx\Include\system_stm32f4xx.h
文件 31141 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\startup_stm32f429_439xx.s
文件 135 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Device\ST\STM32F4xx\Source\Templates\arm\说明.txt
文件 53272 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Device\ST\STM32F4xx\Source\Templates\system_stm32f4xx.c
文件 141 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Device\ST\STM32F4xx\Source\Templates\说明.txt
文件 7251 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\arm_common_tables.h
文件 3940 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\arm_const_structs.h
文件 251190 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\arm_math.h
文件 34051 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_cm0.h
文件 41438 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_cm0plus.h
文件 100475 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_cm3.h
文件 109951 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_cm4.h
文件 130351 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_cm7.h
文件 17427 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_cmFunc.h
文件 26854 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_cmInstr.h
文件 22948 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_cmSimd.h
文件 42756 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_sc000.h
文件 99227 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\Include\core_sc300.h
文件 140 2016-12-29 14:24 Demo_OV2710\Libraries\CMSIS\说明.txt
文件 6921 2016-12-29 14:24 Demo_OV2710\Libraries\STM32F4xx_StdPeriph_Driver\inc\misc.h
文件 32877 2016-12-29 14:24 Demo_OV2710\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_adc.h
文件 27315 2016-12-29 14:24 Demo_OV2710\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_can.h
文件 12444 2016-12-29 14:24 Demo_OV2710\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_cec.h
文件 2413 2016-12-29 14:24 Demo_OV2710\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_crc.h
文件 14478 2016-12-29 14:24 Demo_OV2710\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_cryp.h
文件 14943 2016-12-29 14:24 Demo_OV2710\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dac.h
文件 4293 2016-12-29 14:24 Demo_OV2710\Libraries\STM32F4xx_StdPeriph_Driver\inc\stm32f4xx_dbgmcu.h
............此处省略139个文件信息
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