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Tool/software: Code Composer Studio
Hi!,
I am using Piccolo F28035 (TMDSCNCD28035 R1.2) control card in 1KW inverter evaluation kit (https://www.digikey.com/product-detail/en/transphorm/TDPV1000E0C1-KIT/TDPV1000E0C1-KIT-ND/6207312
I checked the forum for troubleshooting this problem, but there are several suggestions and different. So its a bit confusing on how should i proceed.
What can cause this problem and what could be the best way to start troubleshooting this one or any specific procedure which should i follow?
I would be highly grateful for your suggestions.
Thank you
for one of the error message, which says target configuration does not match, as presented in the information, i had selected the device type TMS320F28035 in target configuration file.
Thank you
Hi Vivek,
Thank you so much for your prompt response. As suggested i checked the output of the XRSn pin of the device. The voltage obtained as observed from oscilloscope is 3.3 V. Furthermore, LED2 (LD2) is turns stably RED. LED1 is stable GREEN, LED3 is off. I tried to search the meaning of this RED indication, but i could only find it is controlled by GPIO 31 (As per the pin description from the control card manual its on pin 9 for 80 pin package).
The voltage observed here, in the oscilloscope is
Thank you so much
Regards
Samir
Hi Samir,
For support on this kit, I would recommend contacting Transphorm USA to help with this issue. Since this is their kit, I believe they should be able to help.
A few things I'd check:
1) It appears that this kit comes with a F2803x controlCARD. There probably aren't any differences between the controlCARD that's in the kit & the one that TI sells, but I cannot be completely sure.
2) If you're trying to connect the kit up to CCS. If so, please make sure that JP1 is placed.
Thank you,
Brett
Hi Samir,
It's interesting to know that the system works when you use a different F28035 controlCARD.
Are the two controlCARDs completely identical (same revision, etc)? Which of the two cCARDs works, the one that came with the kit or an alternate one?
I am feeling like potentially the cCARD in the Transphorm kit may not be exactly the standard controlCARD that TI sells. Alternatively, I am thinking that the one that isn't working is somehow damaged.
To answer your original question, the green LED (LD1) signifies that the controlCARD (and therefore the F28035) is powered. LD2 and LD3 are GPIO controlled LEDs. Their state is therefore controlled by the GPIO-31 and GPIO-34 nets. Note that these GPIOs are configured as inputs & pulled high by internal pull-ups at power on. External circuitry may also pull the signals one way or another. They do not necessary show any kind of problem, unless software is written to make them mean something - but this isn't done out-of-the-box by TI.
Thank you,
Brett
Hi Samir,
Hmm. I'm nearly out of ideas. Can you try putting both switches in SW1 to the 'OFF' position (open) and see if this will enable CCS to connect?
Let me know how this works. Once we run out of debug options we can start down the replacement path.
Thank you,
Brett
Hi Brett,
Thank you for the continuous support. Do you mean, putting both switches in SW2 to 'OFF' position, since SW1 has only one switch. SW2 is for boot option, while SW1 is for on card RS-232 connection. I tried with SW2 both switch OFF to check, still the same error comes. Should I try further with SW1? The CCS can connect with control card, the link is ok but the problem is while trying to load the software.
Thank you
Regards
Samir
Hi Samir,
Sorry for my mistakes in my last post. Yes, I meant SW2. And I also meant to try when using Wait Boot mode - GPIO37 as high, GPIO34 as low. Can you try this setup and see if you're able to connect?
Can you also try loading the following example project:
\controlSUITE\device_support\f2803x\v130\DSP2803x_examples_ccsv5\timed_led_blink\
Thank you,
Brett
Hi Samir,
I agree that this appears to be an issue with hardware and a return is warranted.
Please contact the person you bought the F28069 controlCARD from, and make them aware of this email thread. It should help you accelerate getting a replacement. If you have issues with this, please friend request me here on the E2E forum.
Thank you,
Brett