ADC DMA Streaming Group for multiple channels and samples in S32K148

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

ADC DMA Streaming Group for multiple channels and samples in S32K148

443 Views
Shivanand
Contributor II

I'm trying to implement streaming group for multiple channels and samples ADC DMA in S32K148, but my observation is I'm not getting DMA interrupt, and the result buffer is getting incremented and writing into extra RAM space. Is there any issue in the configuration? 

Shivanand_1-1767677935945.png

 

Shivanand_0-1767677909570.png

 

0 Kudos
Reply
1 Reply

337 Views
PetrS
NXP TechSupport
NXP TechSupport

Hi

check chapter 3.6.18 Optimize DMA Streaming Groups of the ADC driver UM for more info about DMA channels setting for this mode.

BR, Petr

0 Kudos
Reply
%3CLINGO-SUB%20id%3D%22lingo-sub-2281688%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3EADC%20DMA%20Streaming%20Group%20for%20multiple%20channels%20and%20samples%20in%20S32K148%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2281688%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EI'm%20trying%20to%20implement%20streaming%20group%26nbsp%3Bfor%20multiple%20channels%20and%20samples%20ADC%20DMA%20in%20S32K148%2C%20but%20my%20observation%20is%20I'm%20not%20getting%20DMA%20interrupt%2C%20and%20the%20result%20buffer%20is%20getting%20incremented%20and%20writing%20into%20extra%20RAM%20space.%20Is%20there%20any%20issue%20in%20the%20configuration%3F%26nbsp%3B%3C%2FP%3E%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22Shivanand_1-1767677935945.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22Shivanand_1-1767677935945.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22Shivanand_1-1767677935945.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F371789iA1209535554AF1A4%2Fimage-size%2Fmedium%3Fv%3Dv2%26amp%3Bpx%3D400%22%20role%3D%22button%22%20title%3D%22Shivanand_1-1767677935945.png%22%20alt%3D%22Shivanand_1-1767677935945.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3C%2FSPAN%3E%3C%2FP%3E%3CBR%20%2F%3E%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22Shivanand_0-1767677909570.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22Shivanand_0-1767677909570.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cspan%20class%3D%22lia-inline-image-display-wrapper%22%20image-alt%3D%22Shivanand_0-1767677909570.png%22%20style%3D%22width%3A%20400px%3B%22%3E%3Cimg%20src%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F371788iEDDC521BF20D05A6%2Fimage-size%2Fmedium%3Fv%3Dv2%26amp%3Bpx%3D400%22%20role%3D%22button%22%20title%3D%22Shivanand_0-1767677909570.png%22%20alt%3D%22Shivanand_0-1767677909570.png%22%20%2F%3E%3C%2Fspan%3E%3C%2FSPAN%3E%3C%2FSPAN%3E%3C%2FP%3E%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2291036%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20ADC%20DMA%20Streaming%20Group%20for%20multiple%20channels%20and%20samples%20in%20S32K148%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2291036%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EHi%3C%2FP%3E%0A%3CP%3Echeck%20chapter%26nbsp%3B3.6.18%20Optimize%20DMA%20Streaming%20Groups%20of%20the%20ADC%20driver%20UM%20for%20more%20info%20about%20DMA%20channels%20setting%20for%20this%20mode.%3C%2FP%3E%0A%3CP%3EBR%2C%20Petr%3C%2FP%3E%3C%2FLINGO-BODY%3E