Writing data from UART with DMA in a new Array

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Writing data from UART with DMA in a new Array

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12914A
Contributor III

Hi all,

I receive the data, but the problem is, that the CITER value from the ELINKNO register doesn't match with the value I got, when I write the registervalue in a variable.
Additionally the data in the recv_buf is not written from zero or the same field than in Msg.
I attached the DMA init and the code for the UART IRQ handler.

Please help me.

Sandra

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3,126 次查看
Julián_AragónM
NXP TechSupport
NXP TechSupport

Hi @12914A,

Have you read the register's value by debugging?

Julin_AragnM_0-1715026234807.pngJulin_AragnM_0-1715026234807.png

You can also test the example included with the example projects, which is based on the code in AN5413: S32K1xx Series Cookbook.

Julin_AragnM_1-1715026240510.pngJulin_AragnM_1-1715026240510.png

Best regards,
Julián

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3,127 次查看
Julián_AragónM
NXP TechSupport
NXP TechSupport

Hi @12914A,

Have you read the register's value by debugging?

Julin_AragnM_0-1715026234807.pngJulin_AragnM_0-1715026234807.png

You can also test the example included with the example projects, which is based on the code in AN5413: S32K1xx Series Cookbook.

Julin_AragnM_1-1715026240510.pngJulin_AragnM_1-1715026240510.png

Best regards,
Julián

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