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DMA related query | Cypress Semiconductor

DMA related query

Summary: 1 Reply, Latest post by kiku on 09 Dec 2010 09:33 AM PST
Verified Answers: 0
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Deepika's picture
4 posts

i want to transfer data from flash to sram using DMA. and i want to display data on segment LCD transfered in SRAM .but i think this DMA is not working properly.i am not using character LCD.

kiku's picture
Cypress Employee
64 posts

 Hi Deepika,

You are transferring the data from source_array variable to destination_array, both of which are in SRAM memory only. So change the source to SRAM Base.

I have configured the DMA using the wizard and tested the project till the DMA transfer part. I'm getting the proper values in destination_array and also my DMADone_Flag turned to 1.

I'm attaching my project here. 



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