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Title: 7.滴答定时器实验 Download
 Description: Systick is just a timer, but it is put in NVIC. Its main purpose is to provide a hardware interrupt (known as a tick interrupt) to the operating system. Tick break? Here is a brief explanation. When the operating system is running, there will be a "heartbeat". It will work according to the beat of "heartbeat" and divide the whole time period into many small time slices. Each task can only run one time slice, so it has to quit to other tasks to run, so as to ensure that no task will occupy the whole system. Or give a certain time range of each timer cycle to a specific task, and various timing functions provided by the operating system are related to the tick timer. Therefore, a timer is needed to generate periodic interrupts, and it is better to keep the operating system "heartbeat" rhythm by preventing the user program from accessing its registers at will. As long as the enable bit in systick control and status register is not cleared, it will never stop.
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文件名大小更新时间
7.滴答定时器实验\SysTick_Ex\cmsis\Include\arm_common_tables.h 4676 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\arm_const_structs.h 3666 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\arm_math.h 242444 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_cm0.h 33042 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_cm0plus.h 40429 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_cm3.h 99832 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_cm4.h 109142 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_cm4_simd.h 22735 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_cmFunc.h 17146 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_cmInstr.h 20513 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_sc000.h 41744 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\core_sc300.h 98211 2014-07-17
7.滴答定时器实验\SysTick_Ex\cmsis\Include\stm32f4xx.h 704095 2014-08-01
7.滴答定时器实验\SysTick_Ex\cmsis\Include\system_stm32f4xx.h 2233 2014-08-01
7.滴答定时器实验\SysTick_Ex\cmsis\startup_stm32f40_41xxx.s 29605 2014-08-02
7.滴答定时器实验\SysTick_Ex\cmsis\system_stm32f4xx.c 47782 2014-08-02
7.滴答定时器实验\SysTick_Ex\DebugConfig\stm32f4xx_project_STM32F407VG.dbgconf 2084 2015-10-27
7.滴答定时器实验\SysTick_Ex\DebugConfig\stm32f4xx_project_STM32F407ZGTx.dbgconf 2851 2017-11-21
7.滴答定时器实验\SysTick_Ex\DebugConfig\Target_1_STM32F407ZGTx.dbgconf 2851 2017-11-21
7.滴答定时器实验\SysTick_Ex\EventRecorderStub.scvd 339 2018-08-03
7.滴答定时器实验\SysTick_Ex\Listings\startup_stm32f40_41xxx.lst 76066 2019-03-29
7.滴答定时器实验\SysTick_Ex\Listings\stm32f4xx_project.map 35479 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\beep.crf 262028 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\beep.d 432 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\beep.o 279452 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\ExtDll.iex 19 2018-08-03
7.滴答定时器实验\SysTick_Ex\Objects\exti.crf 263294 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\exti.d 504 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\exti.o 291952 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\key.crf 262928 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\key.d 421 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\key.o 282984 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\led.crf 262678 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\led.d 421 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\led.o 279740 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\main.crf 269335 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\main.d 744 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\main.o 287876 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\startup_stm32f40_41xxx.d 68 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\startup_stm32f40_41xxx.o 7932 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\stm32f4xx_project.axf 317956 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\stm32f4xx_project.build_log.htm 2065 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\stm32f4xx_project.hex 7881 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\stm32f4xx_project.htm 41239 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\stm32f4xx_project.lnp 537 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\stm32f4xx_project.sct 540 2018-09-04
7.滴答定时器实验\SysTick_Ex\Objects\stm32f4xx_project_sct.Bak 479 2018-07-30
7.滴答定时器实验\SysTick_Ex\Objects\stm32f4xx_project_stm32f4xx_project.dep 8049 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\system_stm32f4xx.crf 263943 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\system_stm32f4xx.d 500 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\system_stm32f4xx.o 283088 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\systick.crf 262670 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\systick.d 504 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\systick.o 284908 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\usart.crf 267800 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\usart.d 506 2019-03-29
7.滴答定时器实验\SysTick_Ex\Objects\usart.o 288732 2019-03-29
7.滴答定时器实验\SysTick_Ex\stm32f4xx_project.uvguix.Administrator 87537 2019-10-17
7.滴答定时器实验\SysTick_Ex\stm32f4xx_project.uvoptx 11827 2019-10-17
7.滴答定时器实验\SysTick_Ex\stm32f4xx_project.uvprojx 15480 2019-10-17
7.滴答定时器实验\SysTick_Ex\user\inc\beep.h 117 2018-07-31
7.滴答定时器实验\SysTick_Ex\user\inc\exti.h 103 2018-08-03
7.滴答定时器实验\SysTick_Ex\user\inc\key.h 341 2018-07-31
7.滴答定时器实验\SysTick_Ex\user\inc\led.h 132 2018-08-01
7.滴答定时器实验\SysTick_Ex\user\inc\systick.h 197 2018-08-03
7.滴答定时器实验\SysTick_Ex\user\inc\usart.h 242 2018-08-03
7.滴答定时器实验\SysTick_Ex\user\src\beep.c 640 2018-08-01
7.滴答定时器实验\SysTick_Ex\user\src\exti.c 1996 2018-08-03
7.滴答定时器实验\SysTick_Ex\user\src\key.c 1824 2018-08-01
7.滴答定时器实验\SysTick_Ex\user\src\led.c 2050 2019-03-29
7.滴答定时器实验\SysTick_Ex\user\src\main.c 939 2019-10-17
7.滴答定时器实验\SysTick_Ex\user\src\systick.c 1597 2018-08-03
7.滴答定时器实验\SysTick_Ex\user\src\usart.c 2593 2018-08-03
7.滴答定时器实验\SysTick_Ex\cmsis\Include 0 2019-08-19
7.滴答定时器实验\SysTick_Ex\user\inc 0 2019-08-19
7.滴答定时器实验\SysTick_Ex\user\src 0 2019-10-17
7.滴答定时器实验\SysTick_Ex\cmsis 0 2019-08-19
7.滴答定时器实验\SysTick_Ex\DebugConfig 0 2019-08-19
7.滴答定时器实验\SysTick_Ex\Listings 0 2019-08-19
7.滴答定时器实验\SysTick_Ex\Objects 0 2019-08-19
7.滴答定时器实验\SysTick_Ex\user 0 2019-08-19
7.滴答定时器实验\SysTick_Ex 0 2019-10-17
7.滴答定时器实验 0 2019-08-19

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