Ok, so i ordered three of these things, and like i alwas do, i look into what it can do, not what i can do with it.
i was disappointed when the units arrived to find i couldnt do any software with the DSP?
i was intending to write/modify the original application to enable University students to program coefficients onto the SD card, then into the DSP chip.
why doesnt the product have a debugger built onto it? (how can i debug/program it on the board anyway?) i'm quite disappointed, i was looking forward to implementing the OLED screen and making a useable application for Uni. rather than just using the capacitive touch side of the MSP430 board, again!
can anyone help me?
a) how do i program/debug the ACTBP board?
b) are there any demo applications for the software?
c) can i look at the ACTBP software that originally comes with the product? i want to know how to drive the screen and generally how to use the chip.
Chris Wattswhy doesnt the product have a debugger built onto it?
Q: Can I debug the C5535 DSP by connecting to the JTAG header?A: No. To protect licensed MP3 encode and decode source code the JTAG of the C5535 DSP on each ACTBP is disabled Q: How can I debug the C5535 DSP?A: Use the C5535 eZdsp. The ACTBP provides a black box MP3 player/recorder to the MSP430 LaunchPad. MSP430 debugging is provided but DSP debugging is disabled. The C5535 eZdsp development kit shares almost identical schematics (without the MSP430, capacitive touch, and TRRS headset jack).
Q: How can I debug the C5535 DSP?A: Use the C5535 eZdsp. The ACTBP provides a black box MP3 player/recorder to the MSP430 LaunchPad. MSP430 debugging is provided but DSP debugging is disabled. The C5535 eZdsp development kit shares almost identical schematics (without the MSP430, capacitive touch, and TRRS headset jack).
At least TI let you see the G2553 side. Source code and all.
But after I looked at that source code. I consider this BoosterPack as a "con-motion" rather than a promotion.
I agree completely with old_cow_yellow. The marketing materials for the Audio Captouch Boosterpack (ACTBP) are vague at best, and one section declares:
"Easily upgrade low-power applications with TI’s new C5000 DSP-based Audio Capacitive Touch BoosterPack for the MSP430 LaunchPad development kit. For the first time, new functionalities can be enabled on the DSP and controlled solely by the MCU, including crystal clear audio capabilities."
Does THAT sound like a DSP development kit to you? Yes, it does!
I think a disclaimer should be placed on the ACTBP to keep excited users (like me) from purchasing this as a DSP development platform.
What's worse, I submitted a General Tech Support email advising this fact and got the following interesting, terse reply:
"The ACTBP is the C5000. Those are the acronyms for the device name Audio Capacitive Touch BoosterPack." Very unhelpful.
I still haven't identified a way to communicate this problem directly to TI marketing. I feel like I should have a credit of the ACTBP purchase price toward an eZdsp 5535 USB stick SDK.
-Eric
i know! its not a development kit!
i tried emailing someone at TI with no success.. all i want, is an image for the current board (similar to a hex file for PIC) you cant really reverse engineer a program from it but it would mean the board could be returned to its previous state.. and a different piece of software, without the encoder, that can be shared and distributed!!
it seems so annoying, and while they say the JTAG is disabled, can the device not be wiped and started new?
why didnt they put a USB JTAG on the board.. its so stupid and very misleading to call it a development board.. take microchips DM320004, now thats a development board! just plug the usb cable in, drivers.. of you go!
Another fustrated hobbyst here..I also thought DSP code can be developed :(
Just one curiosity..which method they used to disable the JTAG? There is a SW way? or is an specific HW?
Take a look here.
It seems they used a HW method.
Just wanted to add my frustration to this thread as well ... I shouldn't have bought these boards in the 1st place.