File list (Check if you may need any files):
4-SysTick—系统定时器
.....................\Doc
.....................\Libraries
.....................\.........\CMSIS
.....................\.........\.....\Device
.....................\.........\.....\......\ST
.....................\.........\.....\......\..\STM32F4xx
.....................\.........\.....\......\..\.........\Include
.....................\.........\.....\......\..\.........\.......\stm32f4xx.h
.....................\.........\.....\......\..\.........\.......\system_stm32f4xx.h
.....................\.........\.....\......\..\.........\Source
.....................\.........\.....\......\..\.........\......\Templates
.....................\.........\.....\......\..\.........\......\.........\arm
.....................\.........\.....\......\..\.........\......\.........\...\startup_stm32f429_439xx.s
.....................\.........\.....\......\..\.........\......\.........\...\说明.txt
.....................\.........\.....\......\..\.........\......\.........\system_stm32f4xx.c
.....................\.........\.....\......\..\.........\......\.........\说明.txt
.....................\.........\.....\说明.txt
.....................\.........\STM32F4xx_StdPeriph_Driver
.....................\.........\..........................\Release_Notes.html
.....................\.........\..........................\inc
.....................\.........\..........................\...\misc.h
.....................\.........\..........................\...\stm32f4xx_adc.h
.....................\.........\..........................\...\stm32f4xx_can.h
.....................\.........\..........................\...\stm32f4xx_cec.h
.....................\.........\..........................\...\stm32f4xx_crc.h
.....................\.........\..........................\...\stm32f4xx_cryp.h
.....................\.........\..........................\...\stm32f4xx_dac.h
.....................\.........\..........................\...\stm32f4xx_dbgmcu.h
.....................\.........\..........................\...\stm32f4xx_dcmi.h
.....................\.........\..........................\...\stm32f4xx_dma.h
.....................\.........\..........................\...\stm32f4xx_dma2d.h
.....................\.........\..........................\...\stm32f4xx_exti.h
.....................\.........\..........................\...\stm32f4xx_flash.h
.....................\.........\..........................\...\stm32f4xx_flash_ramfunc.h
.....................\.........\..........................\...\stm32f4xx_fmc.h
.....................\.........\..........................\...\stm32f4xx_fmpi2c.h
.....................\.........\..........................\...\stm32f4xx_fsmc.h
.....................\.........\..........................\...\stm32f4xx_gpio.h
.....................\.........\..........................\...\stm32f4xx_hash.h
.....................\.........\..........................\...\stm32f4xx_i2c.h
.....................\.........\..........................\...\stm32f4xx_iwdg.h
.....................\.........\..........................\...\stm32f4xx_ltdc.h
.....................\.........\..........................\...\stm32f4xx_pwr.h
.....................\.........\..........................\...\stm32f4xx_qspi.h
.....................\.........\..........................\...\stm32f4xx_rcc.h
.....................\.........\..........................\...\stm32f4xx_rng.h
.....................\.........\..........................\...\stm32f4xx_rtc.h
.....................\.........\..........................\...\stm32f4xx_sai.h
.....................\.........\..........................\...\stm32f4xx_sdio.h
.....................\.........\..........................\...\stm32f4xx_spdifrx.h
.....................\.........\..........................\...\stm32f4xx_spi.h
.....................\.........\..........................\...\stm32f4xx_syscfg.h
.....................\.........\..........................\...\stm32f4xx_tim.h
.....................\.........\..........................\...\stm32f4xx_usart.h
.....................\.........\.........