stm32f103能够同时用三个定时器吗?好心人解答一下!
stm32f103芯片:关于定时器的问题如果配置三个定时器的话NVIC_PriorityGroupConfig(NVIC_PriorityGroup_x)是不是应该配成NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2)???例如:
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
并且 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);只用写一次就行,而不用每个中断都写??
回复:stm32f103能够同时用三个定时器吗?好心人解答一下!
:o没人吗回复:stm32f103能够同时用三个定时器吗?好心人解答一下!
不要沉了。这个东西不懂啊!RE:stm32f103能够同时用三个定时器吗?好心人解答一下!
我的6个一起用啊,这个没限制吧,做出来不用不是浪费?RE:stm32f103能够同时用三个定时器吗?好心人解答一下!
我的6个一起用啊,这个没限制吧,做出来不用不是浪费?
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