Use EDMA driver without SYS/BIOS on C6657

Roee Cohen

I've been using the EDMA3_driver example successfully by referencing my project to the edma3_drv_bios6_c6657_st_sample_configuration project and calling edma3init() edmaCopy() functions.

How can perform EDMA transfers without using the SYS/BIOS in my project ?

over 9 years ago

0 Pubesh over 9 years ago

TI__Mastermind 20790 points

Hi,

EDMA LLD release was built and validated against using the following components,If you are using EDMA3 LLD.

CCS 5.x
C6x Code Generation Tools version 7.x
SYS/BIOS 6.33.xx.xx
XDC Tools 3.23.xx.xx

You can check CSL based test code without using BIOS at the PDK for EDMA transfer,

5008.edma.zip

0 Roee Cohen over 9 years ago in reply to Pubesh

Intellectual 265 points

Is it compatible with the c6657?

What is basically the difference between using the EDMA LLD and using the CSL?

0 Pubesh over 9 years ago in reply to Roee Cohen

TI__Mastermind 20790 points

Hi,

I have taken C6678 based edma test code from PDK to migrated to C6657 device. I hope, this test code will work on C6657 device.

1. The EDMA3 Driver is a functional library providing APIs for programming, scheduling and synchronizing with EDMA transfers and many more. The EDMA3 Driver is made generic across SoCs.

2. The Chip Support Library (CSL) is to abstract peripheral on-chip programming to the upper software-layers.

Shorten the development time of an application using the CSL.
Provide a consistent interface to peripheral registers, for portability of applications across devices.

0 Roee Cohen over 9 years ago in reply to Pubesh

Intellectual 265 points

Thanks for the detailed explanation.

What changes have you made?

Can you send me the updated code for c6657?

0 Pubesh over 9 years ago in reply to Roee Cohen

TI__Mastermind 20790 points

Hi,

I have took the C6678 device based edma test code from the PDK and migrated to C6657 device. This zip file attached in my earlier post.

We do not have the updated code for C6657. You can check the PDK package along with MCSDK for keystone I device support.

0 Roee Cohen over 9 years ago in reply to Pubesh

Intellectual 265 points

I've taken the zip code you've attached and successfully tested it on my C6657 EVM.

I've used the edma3_test_poll_mode function in the EDMA LLD.

What would be the equivalent to that in the CSL?

0 Pubesh over 9 years ago in reply to Roee Cohen

TI__Mastermind 20790 points

Roee,

Thanks for testing that code. I hope, there is no similar poll mode test code at CSL. Please double check at the src for EDMA at: C:\ti\pdk_C6657_1_1_2_6\packages\ti\csl\src\ip\edma

0 Pubesh over 9 years ago in reply to Pubesh

TI__Mastermind 20790 points

Roee,

If you have any further issue or doubt on this, please comeback. However this discussion of thread can helpful for future readers, If you verified this thread.

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Use EDMA driver without SYS/BIOS on C6657