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RT-Thread Forum timer difficult example analysis, I believe that many inexperienced people do not know what to do, so this paper summarizes the causes of the problem and solutions, through this article I hope you can solve this problem.

Frequently asked questions about timers:

1. The timer function cannot be used because there is no Timer module in the firmware

Https://club.rt-thread.org/ask/question/430454.html

two。 Some confusion about the application example of the kernel clock management timer in the rt-thread document center?

Https://club.rt-thread.org/ask/question/430176.html

3. Timer API problem, the period is limited to the range of U32gam2.

Https://club.rt-thread.org/ask/question/429434.html

Rt_tick_get () is called continuously in the timeout function of the timer in 4.RTT; the tick meter value remains the same.

Https://club.rt-thread.org/ask/question/429397.html

5.rt_timer_start linked list endless loop

Https://club.rt-thread.org/ask/question/428908.html

Rt_timer_start () cannot be used to start a timer in 6.thread

Https://club.rt-thread.org/ask/question/428847.html

7. The software timer does not work properly when the PM component is enabled

Https://club.rt-thread.org/ask/question/428759.html

8.rt_spi_send and rt_spi_recv cannot be used in a timer.

Https://club.rt-thread.org/ask/question/427301.html

9. About the timer clock, how to time a 1MHz clock

Https://club.rt-thread.org/ask/question/425482.html

10. Two questions about priority processing and timer in source code?

Https://club.rt-thread.org/ask/question/425436.html

11.cubemx configuration timer PWM can be output moved to RT_stdio can not output?

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twelve。 If there is a delay in the timer, what should be done?

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13. The time external interrupt timer I migrated from KEIL failed.

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14.STM32F407VG start hardware timer system busy crash

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Which hardware timer of stm32 is used for 15.rt-thread task scheduling as the heartbeat?

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16.stm32 project, add hardware timer interrupt cycle 100us, is it still suitable to use rtthread?

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17. Exception caused by the combination of serial port interrupt and timer interrupt

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18. What happens if the software timer starts repeatedly?

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Problems in 19.CANfestival package about timer cannot be started and time measurement is inaccurate

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20.timer file source code analysis, the role of random_nr, RT_TIMER_SKIP_LIST_LEVEL?

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21.hard fault on thread: timer

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twenty-two。 Can different pwm use different channel of the same timer?

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Timeout problem of 23.rt_timer in low power stop mode.

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24. Invalid timeout in timer rt_timer_init

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25. Asking for help: the problem with using HWTIMER timer13

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After reading the above, have you mastered the method of example analysis of timer problems in the RT-Thread forum? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!

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