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Original question:

CCS/MSP432P401R: UDMA_MODE_PER_SCATTER_GATHER

TM4C129ENCPDT: TM4C129ENCPDT

mark tverskoy
Prodigy 60 points
Part Number: TM4C129ENCPDT
Other Parts Discussed in Thread: EK-TM4C1294XL

Hi,

 I would like to set up peripheral to peripheral DMA ( ADC to UART). Is there a way to set it up without causing CPU interrupts ?

Thank you,

Mark

  • 0
    TI__Guru**** 190586 points
    HI,
    We don't have an example using DMA to transfer from ADC to UART. However, we have an TivaWare example that demonstrates uDMA and UART transfers. You can find the example in <TivaWare_Installation>/examples/boards/ek-tm4c1294xl/udma_demo. There is another example using uDMA and ADC created by Bob who attached the example as part of the post. Please see below link for the post. Once you you become familiar with both the examples, I hope it will not be too hard for you to incorporate both of them.

    e2e.ti.com/.../2571423