文件名称:STM32+TIM.rar
介绍说明--下载内容来自于网络,使用问题请自行百度
本例展示了如何设置TIM工作在输出比较-非主动模式(Output Compare Inactive mode),并产生相应的中断。
TIM2时钟设置为36MHz,预分频设置为35999,TIM2计数器时钟可表达为:
TIM2 counter clock = TIMxCLK / (Prescaler +1) = 1 KHz
设置TIM2_CCR1寄存器值为1000, CCR1寄存器值1000除以TIM2计数器时钟频率1KHz,为1000毫秒。因此,经过1000毫秒的时延,置PC.06输出为低电平。
同理,根据寄存器TIM2_CCR2 、TIM2_CCR3和 TIM2_CCR4的值,经过500毫秒的时延,置PC.07输出为低电平;经过250毫秒的时延,置PC.08输出为低电平;经过125毫秒的时延,置PC.09输出为低电平。
输出比较寄存器的值决定时延的大小,当计数器的值小于这个值的时候,点亮与PC.06-PC.09相连的LED;当计数器的值达到这个值得时候,产生中断,在TIM2的4个通道相应的中断里,把它们一一关闭。,err
TIM2时钟设置为36MHz,预分频设置为35999,TIM2计数器时钟可表达为:
TIM2 counter clock = TIMxCLK / (Prescaler +1) = 1 KHz
设置TIM2_CCR1寄存器值为1000, CCR1寄存器值1000除以TIM2计数器时钟频率1KHz,为1000毫秒。因此,经过1000毫秒的时延,置PC.06输出为低电平。
同理,根据寄存器TIM2_CCR2 、TIM2_CCR3和 TIM2_CCR4的值,经过500毫秒的时延,置PC.07输出为低电平;经过250毫秒的时延,置PC.08输出为低电平;经过125毫秒的时延,置PC.09输出为低电平。
输出比较寄存器的值决定时延的大小,当计数器的值小于这个值的时候,点亮与PC.06-PC.09相连的LED;当计数器的值达到这个值得时候,产生中断,在TIM2的4个通道相应的中断里,把它们一一关闭。,err
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下载文件列表
Example3/main.c
Example3/readme.txt
Example3/stm32f10x_it.c
Example3/stm32f10x_it.h
Example3/settings/tim_text3.cspy.bat
Example3/settings/tim_text3.dbgdt
Example3/settings/tim_text3.dni
Example3/settings/tim_text3.wsdt
Example3/stm32f10x_adc.c
Example3/stm32f10x_bkp.c
Example3/stm32f10x_can.c
Example3/stm32f10x_dma.c
Example3/stm32f10x_exti.c
Example3/stm32f10x_flash.c
Example3/stm32f10x_gpio.c
Example3/stm32f10x_i2c.c
Example3/stm32f10x_iwdg.c
Example3/stm32f10x_lib.c
Example3/stm32f10x_nvic.c
Example3/stm32f10x_pwr.c
Example3/stm32f10x_rcc.c
Example3/stm32f10x_spi.c
Example3/stm32f10x_systick.c
Example3/stm32f10x_tim1.c
Example3/stm32f10x_tim.c
Example3/stm32f10x_usart.c
Example3/stm32f10x_wwdg.c
Example3/cortexm3_macro.h
Example3/stm32f10x_adc.h
Example3/stm32f10x_bkp.h
Example3/stm32f10x_can.h
Example3/stm32f10x_dma.h
Example3/stm32f10x_exti.h
Example3/stm32f10x_flash.h
Example3/stm32f10x_gpio.h
Example3/stm32f10x_i2c.h
Example3/stm32f10x_iwdg.h
Example3/stm32f10x_lib.h
Example3/stm32f10x_nvic.h
Example3/stm32f10x_pwr.h
Example3/stm32f10x_rcc.h
Example3/stm32f10x_rtc.h
Example3/stm32f10x_spi.h
Example3/stm32f10x_systick.h
Example3/stm32f10x_tim1.h
Example3/stm32f10x_tim.h
Example3/stm32f10x_type.h
Example3/stm32f10x_usart.h
Example3/stm32f10x_wwdg.h
Example3/tim_text3.eww
Example3/tim_text3.ewd
Example3/tim_text3.dep
Example3/stm32f10x_rtc.c
Example3/stm32f10x_map.h
Example3/stm32f10x_conf.h
Example3/settings
Example3/Debug
Example3
Example3/readme.txt
Example3/stm32f10x_it.c
Example3/stm32f10x_it.h
Example3/settings/tim_text3.cspy.bat
Example3/settings/tim_text3.dbgdt
Example3/settings/tim_text3.dni
Example3/settings/tim_text3.wsdt
Example3/stm32f10x_adc.c
Example3/stm32f10x_bkp.c
Example3/stm32f10x_can.c
Example3/stm32f10x_dma.c
Example3/stm32f10x_exti.c
Example3/stm32f10x_flash.c
Example3/stm32f10x_gpio.c
Example3/stm32f10x_i2c.c
Example3/stm32f10x_iwdg.c
Example3/stm32f10x_lib.c
Example3/stm32f10x_nvic.c
Example3/stm32f10x_pwr.c
Example3/stm32f10x_rcc.c
Example3/stm32f10x_spi.c
Example3/stm32f10x_systick.c
Example3/stm32f10x_tim1.c
Example3/stm32f10x_tim.c
Example3/stm32f10x_usart.c
Example3/stm32f10x_wwdg.c
Example3/cortexm3_macro.h
Example3/stm32f10x_adc.h
Example3/stm32f10x_bkp.h
Example3/stm32f10x_can.h
Example3/stm32f10x_dma.h
Example3/stm32f10x_exti.h
Example3/stm32f10x_flash.h
Example3/stm32f10x_gpio.h
Example3/stm32f10x_i2c.h
Example3/stm32f10x_iwdg.h
Example3/stm32f10x_lib.h
Example3/stm32f10x_nvic.h
Example3/stm32f10x_pwr.h
Example3/stm32f10x_rcc.h
Example3/stm32f10x_rtc.h
Example3/stm32f10x_spi.h
Example3/stm32f10x_systick.h
Example3/stm32f10x_tim1.h
Example3/stm32f10x_tim.h
Example3/stm32f10x_type.h
Example3/stm32f10x_usart.h
Example3/stm32f10x_wwdg.h
Example3/tim_text3.eww
Example3/tim_text3.ewd
Example3/tim_text3.dep
Example3/stm32f10x_rtc.c
Example3/stm32f10x_map.h
Example3/stm32f10x_conf.h
Example3/settings
Example3/Debug
Example3
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