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2020 NUEDC AITIC
2020NUEDC交流讨论区
有可以直接调用的延时函数吗?
2020NUEDC交流讨论区
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有可以直接调用的延时函数吗?
Louis Chen
over 3 years ago
毫秒级的即可
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chenyh
over 3 years ago
如果对时序要求不是非常严格的话,可以调用,如果对时序要求非常严格的话,把延时程序放入非cache内存中。
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Louis Chen
over 3 years ago
in reply to
chenyh
请问是哪个函数呢?在哪里可以看到说明呀?
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chenyh
over 3 years ago
in reply to
Louis Chen
需要自己用for循环写一个简单的程序
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Louis Chen
over 3 years ago
in reply to
chenyh
要自己根据晶振的频率来写吗?
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chenyh
over 3 years ago
in reply to
Louis Chen
如果没有使用freertos的话,调用一下R_OS_TaskSleep()函数也可以实现延时,如果使用freertos的话,还是需要自己根据晶振写一个,这样才能保证不会有任务切换,如果觉得任务切换对自己的程序无影响,也可以调用R_OS_TaskSleep()
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Louis Chen
over 3 years ago
in reply to
chenyh
好的,谢谢
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Louis Chen
over 3 years ago
in reply to
chenyh
好的,谢谢
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