F28377S LaunchPad Serial(SCI) Programing

Sh.Sasaki

Guru 13625 points

Other Parts Discussed in Thread: CONTROLSUITE, TMS320F28377S

Hi,

Please teach me how to program over SCI.

I'm using F28377S LaunchPad and the two projects of the following.

Kernel project:
C:\ti\controlSUITE\device_support\F2837xS\v180\F2837xS_examples_Cpu1\F2837xS_sci_flash_kernel

Download project:
C:\ti\controlSUITE\development_kits\LAUNCHXL-F28377S\LaunchPadDemo

Then I generate hex file as following.

And I tried the program to use the serial flash programmer, but can not be downloaded.
Because the command prompt freezes on the screen of the following.
(C:\ti\controlSUITE\device_support\~Utilities\serial_flash_programmer)

My command of serial flash programmer:

C:\ti\controlSUITE\device_support\~Utilities\serial_flash_programmer>
serial_flash_programmer.exe -d f2837xS -k F2837xS_sci_flash_kernel_cpu01.txt -a Example_28377SLaunchPad.txt -b 38400 -p COM101

Is this my programming flow mistaken?

Best regards,

Mino.M

over 9 years ago

0 Gautam Iyer over 9 years ago

Guru 192875 points

Hi Mino,

Do refer this doc: www.ti.com/.../sprabv4a.pdf

Regards,
Gautam

0 Sh.Sasaki over 9 years ago in reply to Gautam Iyer

Guru 13625 points

Hi Gautam,

Thank you for your answer.

I tried again sci boot programing referring to the sprabv4a.

And we were successful at 19200 baud.

However, we failed at 38400 baud or more during Auto-Baud Lock.

Can we set to be greater than 19200 baud?

Best regards,

Mino.M

0 Gautam Iyer over 9 years ago in reply to Sh.Sasaki

Guru 192875 points

Hi Mono,

I've only tried with 9600 and 19200 rates. I'm not sure for baud rates above that. Though it should work, I'm not sure why it isn't working!

Regards,
Gautam

0 Sh.Sasaki over 9 years ago in reply to Gautam Iyer

Guru 13625 points

Hi Gauntam,

Thank you for your reply.

We will continue with that survey.

Thanks and regards,

Mino.M

0 Gautam Iyer over 9 years ago in reply to Sh.Sasaki

Guru 192875 points

You're Welcome!

Goodluck & Regards,
Gautam

0 Sh.Sasaki over 9 years ago in reply to Gautam Iyer

Guru 13625 points

Hi Gautam,

TMX device have "Analog Trim" errata.

I have concluded that it can not transfer at a high baud rate because SCI boot use internal OSC.

Thanks and regards,

Mino.M

0 Gautam Iyer over 9 years ago in reply to Sh.Sasaki

Guru 192875 points

Thanks for that feedback.

Regards,
Gautam

0 Marcelo Cavachioli over 8 years ago in reply to Gautam Iyer

Prodigy 120 points

Hi guys, I have a problem with the SCI bootloader: When I send a command for erase the Flash, the program halts in this screen:

Please help-me, it is the last task to conclude my project with TMS320F28377S.

Thanks.

Marcelo.

0 Sal Pezzino over 8 years ago in reply to Marcelo Cavachioli

TI__Mastermind 32995 points

Marcelo,

This may be because of the way that the sci flash kernel is compiled. What boot mode is it using? SCI_BOOT or SCI_BOOT_ALT?

For the launchpad, you should be using SCI_BOOT, not SCI_BOOT_ALT.

sal

0 Marcelo Cavachioli over 8 years ago in reply to Sal Pezzino

Prodigy 120 points

Thank you for your attention Sal! I am using the SCI A, in GPIO84 and GPIO85. I just compiled the flash kernel without changes, as you can see:

I have another important fact: I tried load the *.hex by C2Prog by SCI boot and happens the exactly same thing. The C2prog sends something but during the connection with target it freezes and after a time prints a error, see below:

Thanks, regards.

Marcelo.

0 Sal Pezzino over 8 years ago in reply to Marcelo Cavachioli

TI__Mastermind 32995 points

That's interesting.

In order to debug this, you can load the SCI flash kernel onto the device and run it. In the serial flash programmer Visual Studio Project, comment out the downloadKernel function and Run.

When the program stops making progress, you halt the C28x and see where it is in the program.

Let me know what you find.

sal

C2000™︎ microcontrollers

C2000 microcontrollers forum

F28377S LaunchPad Serial(SCI) Programing