memory buffer in DDR3 when use McBSP and EDMA

Jeff Kuo

Prodigy 220 points

Dear,

when we use McBSP and EDMA,

if the memory buffer is located in L2SRAM, the action will be successful.

if the memory buffer is located in DDR3, the action will be fail.

can we use DDR3 for memory buffer? how to do?

Jeff

over 10 years ago

0 Pubesh over 10 years ago

TI__Mastermind 20790 points

Jeff,

Please make a practice like mention the board and software details when you create a new thread. You can find the example code for DDR3 used in the keystone device at: http://processors.wiki.ti.com/index.php/BIOS_MCSDK_2.0_User_Guide#Example_3_-_Running_from_external_memory_.28DDR.29

This test code implemented for EDMA3 based on C6657, you will check/modify the src, dst buffer for DDR3.

1586.edma.zip