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WB32L003 Standard Peripherals Firmware Library
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****************** (C) COPYRIGHT 2023 Westberry Technology ******************* * @file TIM/TIM1_PWM_Input/readme.txt * @author Westberry Application Team * @version V0.0.4 * @date 23-April-2023 * @brief Description of the GPIO TIM1_PWM_Input example. ****************************************************************************** * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, WESTBERRY SHALL NOT BE HELD LIABLE FOR ANY DIRECT, * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM * THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. ******************************************************************************
本例演示如何使用TIM1测量外部信号的频率和占空比。
本例程系统时钟工作在24Mhz。
TIM1 使用PD4管脚进行外部信号频率和占空比的测量 TIM2 输出4路频率相同,占空比不同的PWM波供TIM1测量使用 TIM2_CH1 PB5 10kHz 35% TIM2_CH2 PD6 10kHz 70% TIM2_CH3 PA3 10kHz 28% TIM2_CH4 PC4 10kHz 95%
为了使程序工作,您必须执行以下操作 :
运行此例程