Hello all!
My goal: Play around with sending and receiving CEC on the HDMI output from the DM8168.
My hardware: DM8168 EVM from Spectrum Digital. (It says "816X/389X EVM, ASSY 512870, REV G".)
My software: TI81XX PSP v04.04.00.02 (plus other ones I checked, see below for details); EZ-SDK 5.05.02.00
My question, short version: The "TI81XX PSP User Guide" http://processors.wiki.ti.com/index.php/TI81XX_PSP_User_Guide refers me to the "TI81XX PSP HDMI Driver User Guide" http://processors.wiki.ti.com/index.php/TI81XX_PSP_HDMI_Driver_User_Guide . The HDMI driver user guide has an "HDMI CEC" section at the end, which mentions a demo application for CEC. I can't find the source (or executable) for this demo application in the V04.04.00.02 PSP - where is it?
Additional details:
I am pretty sure I have the HDMI driver loaded correctly. For the moment, I am booting the EVM from the SD card that the "EZ-SDK 816x EVM demo binaries" v5.05.02.00 will make for you. I have the EVM kit HDMI monitor plugged in, and I get a picture and can run the demo applications that are available on the GUI. lsmod shows the "ti81xxhdmi" driver loaded. I have the character device /dev/TI81XX_HDMI (251, 0) and I also have the various ti81xxhdmi sysfs entries.
I started with the PSP v04.04.00.02, because that one seems to be the newest one that supports my device (DM8168). It does have a src/examples directory, but none of the code in or under this directory seems to do anything with CEC.
I thought maybe the HDMI driver document was referring to code available in a different or older PSP, and the HDMI driver document has not been updated. I downloaded PSP v04.00.00.10 , the oldest 816x release, and I can find the examples, but I can't find an HDMI CEC example; I also downloaded PSP v04.00.02.14, the latest 816x release, but I can't find an HDMI CEC example in it either.
(For reference, the various versions of the DM81xx PSPs are linked from http://processors.wiki.ti.com/index.php?title=DM81xx_C6A81xx_AM38xx_Linux_Releases .)
Am I looking in the wrong place? Is the HDMI driver document out of date? Is the HDMI CEC example program available separately somewhere?
Thanks for your help!
Matt Roberds