CC3235SF: Uniflash error while programming flash image

Hi Pradeep,

I think you have issue with reset of CC3235MOD during programming. RST pin of XDS110 is not controlled by Uniflash. It control pin PA6 at TM4C inside XDS110. I think this pin is connected to GPIOOUT0 or GPIOOUT1 at AUX connector.

Jan

Hi Jan,

We tried connecting both GPIOOUT0 and GPIOOUT1 to RST pin of CC3235SF. However it gives same programming error in both the cases.

Please suggest.

Thanks,

Pradeep

Hi Pradeep,

I have done some test with LaunchPad and XDS110 debug probe (TMDSEMU110-U) na I have similar results. Pins GPIOOUT0 and GPIOOUT1 are at low state and not controlled by Uniflash when restart is needed.

I think easiest way will be use XDS110 from CC3220/CC3235 LaunchPad and connect your nRST pin to RST of XDS110. At this configuration is reset signal (PA6) controlled properly from Uniflash. Another way will be use Uniflash CLI and use power_on_com.py script for control reset pin via dbgjtag. But I never tested this configuration.

btw ... do you have connected TGTVDD(SENSE) signal?

Jan

Hi,

I 

Hi Pradeep,

Yes, I recommand to use XDS110 from LaunchPad for flashing your board from Uniflash software. Details about connection to XDS110 from LP you find here at chapter 5.4.

Your issue is related to control reset pin of CC3235 chip during Unfilash programming. At LP is Uniflash able to reset CC3235 via PA6 pin. But it seems there is issue with using XDS110 Debug probe (TMDSEMU110-U) by same way. I think you have options:

• use XDS110 from LP for programming of your board
• use TMDSEMU110-U with Uniflash GUI or Uniflash CLI and manually restart your board
• try to determine if is controlled any pin at TMDSEMU110-U when you execute file xds110reset.exe. If you will find such pin (configuration of TMDSEMU110-U connection) than you have right reset pin
• use can use Uniflash CLI and create your own script into file power_on_com.py (e.g. using dbgjtag utility). For example content of power_on_com.py if you want to control reset pin at XDS110 from LaunchPad (via pin PA6):

import subprocess
print "power_on_com.py: xds110 restart"
subprocess.call('xds110reset.exe', shell=True)

Jan

Hi Jan,

We connected our custom board to LAUNCHPAD_CC3235SF and tried to flash the image using Uniflash. We observed following error when we selected CC3235SF in Uniflash.

If we select, LAUNCH_CC3235SF in Uniflash, then we get following error:

Thanks.

Pradeep

Hi Pradeep,

Can you provide photo how do you have connected LaunchPad do you hardware (GND, RX, TX, RST)?

First image is not correct (wrong usage of Uniflash). I am not sure what 2nd image means. Please follow this SimpleLink academy article.

Jan

Hi Jan,

We have followed following steps:

1. Uniflash application started.
2. Selected board as highlighted in below image.
3. After selection, below window appeared.
4. Clicked “3. Start Image Creator”. Below image appeared.
5. Clicked “Manage Projects”. Below image appeared.
6. Clicked for browsing project. Below image appeared.
7. Clicked “Connect”. Below image appeared. Device type and MAC address are shown. When we connect another device, we see different MAC Address (b0:b1:13:5c:03:e5). This mean, device is getting connected to the Uniflash tool.

8. Clicked “Burn”. Below image appeared.
9. Clicked “Program Image(Create & Program”. Below image appeared.

10. What is wrong device type? Should we click Program tab here?Thanks, Pradeep

Hi Jan,

Setup photo:

We have tried selecting CC3235S as a part in Uniflash. However, error is same.

Thanks,

Pradeep

Hi Pradeep,

Error "Wrong device type" is shown when device type at status window does not match with device selected when Uniflash project is created. Please make sure that these devices types match.

You connection looks correct, but I can't say what device type is used due to low resolution of photos. But I see that you have LaunchPad with CC3235S module.

Jan