KV5 DMA and UART

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KV5 DMA and UART

150 次查看
pietrodicastri
Senior Contributor II

Good morning

I imported the example for using the UART and DMA. The original example has the UART0. It works. I changed for using other ports, now I try with UART4 and it does not. I can see the callback called for the and of TX but never for the end of RX. I don t get the point. I am sure the pins and the connections are ok. I am using the tower system for the KV5. 
I drop here the example with minor modifications for changing the UART.

Every help is welcome..

Thank You

Pietro


 

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120 次查看
luis_maravilla
NXP Employee
NXP Employee

Hello Pietro

Could you help us confirm which UART-DMA example are you using and which SDK version is it from?

Could you help us share your connections?

Best Regards, Luis

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149 次查看
pietrodicastri
Senior Contributor II

The file is here. 

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%3CLINGO-SUB%20id%3D%22lingo-sub-2291885%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3EKV5%20DMA%20%E5%92%8C%20UART%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2291885%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E6%97%A9%E4%B8%8A%E5%A5%BD%3C%2FP%3E%3CP%3E%E6%88%91%E5%AF%BC%E5%85%A5%E4%BA%86%E4%BD%BF%E7%94%A8%20UART%20%E5%92%8C%20DMA%20%E7%9A%84%E7%A4%BA%E4%BE%8B%E3%80%82%E5%8E%9F%E5%A7%8B%E7%A4%BA%E4%BE%8B%E4%B8%AD%E4%BD%BF%E7%94%A8%E7%9A%84%E6%98%AF%20UART0%E3%80%82%E5%AE%83%E5%BE%88%E7%AE%A1%E7%94%A8%E3%80%82%E6%88%91%E6%94%B9%E7%94%A8%E5%85%B6%E4%BB%96%E7%AB%AF%E5%8F%A3%EF%BC%8C%E7%8E%B0%E5%9C%A8%E8%AF%95%E7%9D%80%E7%94%A8%20UART4%EF%BC%8C%E4%BD%86%E4%B8%8D%E8%A1%8C%E3%80%82%E6%88%91%E8%83%BD%E7%9C%8B%E5%88%B0%20TX%20%E7%BB%93%E6%9D%9F%E6%97%B6%E8%B0%83%E7%94%A8%E4%BA%86%E5%9B%9E%E8%B0%83%EF%BC%8C%E4%BD%86%20RX%20%E7%BB%93%E6%9D%9F%E6%97%B6%E4%BB%8E%E6%9C%AA%E8%B0%83%E7%94%A8%E8%BF%87%E5%9B%9E%E8%B0%83%E3%80%82%E6%88%91%E4%B8%8D%E6%98%8E%E7%99%BD%E4%BD%A0%E7%9A%84%E6%84%8F%E6%80%9D%E3%80%82%E6%88%91%E7%A1%AE%E4%BF%A1%E5%BC%95%E8%84%9A%E5%92%8C%E8%BF%9E%E6%8E%A5%E9%83%BD%E6%B2%A1%E9%97%AE%E9%A2%98%E3%80%82%E6%88%91%E6%AD%A3%E5%9C%A8%E4%BD%BF%E7%94%A8%20KV5%20%E7%9A%84%E5%A1%94%E5%BC%8F%E7%B3%BB%E7%BB%9F%E3%80%82%20%3CBR%20%2F%3E%E6%88%91%E5%9C%A8%E8%BF%99%E9%87%8C%E6%8F%90%E4%BE%9B%E4%B8%80%E4%B8%AA%E7%A8%8D%E4%BD%9C%E4%BF%AE%E6%94%B9%E7%9A%84%E7%A4%BA%E4%BE%8B%EF%BC%8C%E7%94%A8%E4%BA%8E%E6%9B%B4%E6%94%B9%20UART%E3%80%82%3CBR%20%2F%3E%3CBR%20%2F%3E%E6%AC%A2%E8%BF%8E%E6%8F%90%E4%BE%9B%E4%B8%80%E5%88%87%E5%B8%AE%E5%8A%A9%3CBR%20%2F%3E%3CBR%20%2F%3E%E8%B0%A2%E8%B0%A2%3CBR%20%2F%3E%3CBR%20%2F%3EPietro%3CBR%20%2F%3E%3CBR%20%2F%3E%3CBR%20%2F%3E%3C%2FP%3E%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2291980%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20KV5%20DMA%20and%20UART%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2291980%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E4%BD%A0%E5%A5%BD%EF%BC%8C%E7%9A%AE%E8%80%B6%E7%BD%97%3C%2FP%3E%0A%3CP%3E%E8%83%BD%E5%90%A6%E5%B8%AE%E5%8A%A9%E6%88%91%E4%BB%AC%E7%A1%AE%E8%AE%A4%E6%82%A8%E4%BD%BF%E7%94%A8%E7%9A%84%E6%98%AF%E5%93%AA%E4%B8%AA%20UART-DMA%20%E7%A4%BA%E4%BE%8B%EF%BC%8C%E4%BB%A5%E5%8F%8A%E6%98%AF%E5%93%AA%E4%B8%AA%E7%89%88%E6%9C%AC%E7%9A%84%20SDK%EF%BC%9F%3C%2FP%3E%0A%3CP%3E%E6%82%A8%E8%83%BD%E5%B8%AE%E5%8A%A9%E6%88%91%E4%BB%AC%E5%88%86%E4%BA%AB%E6%82%A8%E7%9A%84%E8%81%94%E7%B3%BB%E5%90%97%EF%BC%9F%3C%2FP%3E%0A%3CP%3E%E6%9C%80%E8%AF%9A%E6%8C%9A%E7%9A%84%E9%97%AE%E5%80%99%EF%BC%8C%E8%B7%AF%E6%98%93%E6%96%AF%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2291886%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20KV5%20DMA%20and%20UART%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2291886%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E6%96%87%E4%BB%B6%E5%9C%A8%E8%BF%99%E9%87%8C%E3%80%82%20%3C%2FP%3E%3C%2FLINGO-BODY%3E