use DMA for MIbSPI sending data large than 127 bytes

Jiaming Sun

I want to send different number (>127)bytes using MIbSPI with DMA ,how to set the DMA and MIbSPI ,could you give an example project?

Hope to get answer soon ,Thank you

over 12 years ago

0 Haixiao Weng over 12 years ago

TI__Genius 13810 points

We built such an example for another customer. How many transfer groups? If it is 1, it is easy. Otherwise, it is a little bit tricky.

Haixiao

0 Haixiao Weng over 12 years ago in reply to Haixiao Weng

TI__Genius 13810 points

Take a look at this post http://e2e.ti.com/support/microcontrollers/hercules/f/312/t/261356.aspx?pi239031349=1.

The final solutions in this post still have some problem. If you only use one tranfer group, you can simply this post to do it; if you use more than one transfer group, please contact me.

Regards,

Haixiao

haixiao

Arm-based microcontrollers

Arm-based microcontrollers forum

use DMA for MIbSPI sending data large than 127 bytes