This example shows how to configure the SysTick to generate a time base equal to 1 ms. The system clock is set to 168 MHz, the SysTick is clocked by the AHB clockHCLK. A "Delay" function is implemented based on the SysTick end-of-count event. Four LEDs are toggled with a timing defined by the Delay function.

SysTick
.......\.DS_Store
__MACOSX
........\SysTick
........\.......\._.DS_Store
SysTick\EWARM
.......\.....\stm32f4xx_flash.icf
.......\.....\SysTick.ewd
.......\.....\SysTick.ewp
.......\.....\SysTick.eww
.......\main.c
.......\main.h
.......\MDK-ARM
.......\.......\SysTick
.......\.......\.......\SysTick.plg
.......\.......\SysTick.uvgui.Joe
.......\.......\SysTick.uvgui_Joe.bak
.......\.......\SysTick.uvopt
.......\.......\SysTick.uvproj
.......\.......\SysTick_SysTick.dep
.......\readme.txt
.......\stm32f4xx_conf.h
.......\stm32f4xx_it.c
.......\stm32f4xx_it.h
.......\system_stm32f4xx.c
.......\TASKING
.......\.......\.metadata
.......\.......\.........\Link
.......\.......\SysTick
.......\.......\.......\.cproject
.......\.......\.......\.project
.......\.......\.......\SysTick.launch
.......\.......\.......\TASKING
.......\.......\.......\.......\stm32f4xx.lsl
.......\TrueSTUDIO
.......\..........\.metadata
.......\..........\.........\Link
.......\..........\SysTick
.......\..........\.......\.cproject
.......\..........\.......\.project
.......\..........\.......\.settings
.......\..........\.......\.........\com.atollic.truestudio.debug.hardware_device.prefs
.......\..........\.......\stm32_flash.ld
.......\..........\.......\SysTick.elf.launch

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