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a)目的:基础PWM输入也叫捕获,以及中断配合应用。使用前一章的输出管脚PB1(19脚),直接使用跳线连接输入的PA3(13脚),配置为TIM2_CH4,进行实验。
b)对于简单的PWM输入应用,暂时无需考虑TIM1的高级功能之区别,按照目前我的应用目标其实只需要采集高电平宽度,而不必知道周期,所以并不采用PWM输入模式,而是普通脉宽捕获模式。
-A) purpose: basic PWM input also called capture, and interrupt coop
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采用stm32内部TIM编程PWM输入模式
实现对输入信号的测频
可测1200HZ以上的频率值-TIM programming using stm32 internal PWM input mode
Achieve the input signal frequency measurement
Can be measured over the frequency 1200HZ
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STM32定时器PWM输入捕获,利用TIM1计算脉冲频率及占空比。-This example shows how to use the TIM peripheral to measure the frequency and duty cycle of an external signal.
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This example shows how to use the TIM peripheral to measure the frequency and
duty cycle of an external signal.
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STM32通用定时器TIM的PWM输入比较模式测量信号频率。-STM32 general-purpose timer TIM comparison mode PWM input signal frequency measurement.
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使用STM32的高级控制定时器PWM输入捕获模式,测量PWM波形频率和周期。学会使用高级控制定时器输入捕获功能,以及通用定时器PWM输出功能。-Use the STM32 Advanced Control Timer PWM input capture mode to measure the PWM waveform frequency and period. Learn to use advanced control timer input capture function, and gene
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