edma_transfer definition question

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edma_transfer definition question

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海雄周
Contributor II

Hi,

I have a problem at using the "edma_transfer" function. In the example of edma_transfer, the edma_transfer.h has declared "triggerDmaUartTx(uint8_t channel, uint8_t * buff, uint32_t size); and triggerDmaUartRx(uint8_t channel, uint8_t * buff);" However, I don't see the specific definition, and it don't work without the specific definition. So, I am asking the original code for those two functions if any one can help. Thanks.

Sincerely,

Zhou

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海雄周
Contributor II

Hi:

     edmatransfer.C there is no triggerDmaUartTx (uint8_t channel, uint8_t * buff, uint32_t size) and triggerDmaUartRx (uint8_t channel, uint8_t * buff) the definition of two functions

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raresvasile
NXP Employee
NXP Employee

Hi,

In the sources folder of the examples, you should find edmaTransfer.c which contains the definitions of those functions.

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Best regards,

Rares

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henninge
Contributor I

Hi Rares

I have the same problem. The functions triggerDmaUartTx/triggerDmaUartRx are only in the h-file not in the c-file.

I checked S32 Design Studio for ARM v2.0 and the S32 Design Studio for ARM® v2.0 Update 2 – S32 SDK 0.8.5 EAR & MQX as well.

Help would be greatly appreciated!

Thanks Henning

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