DMA-driven UART on a DM6437 with SYS/Bios6

F. Brettschneider

How can I puzzle the GIO_read/GIO_write functions together with a UART driver and a DMA driver to get a DMA-driven UART working on a DM6437 SYS/Bios6 system?

I have bios_6_35_01_29, ccsv5, uia_1_03_00_02, xdais_7_21_01_07, xdctools_3_25_00_48 installed.

Is there any example source I can use to start from?

I've read http://e2e.ti.com/support/embedded/tirtos/f/355/p/75746/314279.aspx , already, but it doesn't explain the layers below GIO_read/write and what exactly is to install.

The web page http://focus.ti.com/docs/training/catalog/events/event.jhtml?sku=OLT110002 has a dead link to a EDMA3/QDMA/IDMA training video.

I've burried several days for this challenge already... Thanks in advance!

over 11 years ago

0 Steven Connell over 11 years ago

TI__Mastermind 45025 points

The following section in the SYS/BIOS User's Guide may help you:

Chapter 9 Input/Output

Steve

0 F. Brettschneider over 11 years ago in reply to Steven Connell

Intellectual 480 points

No, chapter 9 just describes how to use the GIO module.

But I want to know what UART and DMA drivers I should use for the dm6437 and how to install and combine it in a way I can use it in my application out of the box using the GIO module.

I just find dm6437 drivers from 2007 and for CCS3.

0 Steven Connell over 11 years ago in reply to F. Brettschneider

TI__Mastermind 45025 points

Please have a look at PSP drivers "BIOS PSP Release version 1.10.03". I checked and this version is newer (2009).

You can download that here.

Steve

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DMA-driven UART on a DM6437 with SYS/Bios6