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TMS320F28377D: GPIO42 and GPIO43 for USB

Kang Andrew
Prodigy 150 points
Part Number: TMS320F28377D
Other Parts Discussed in Thread: C2000WARE, TMDSCNCD28379D

Hello.

I am trying to save data to a USB memory stick using the USB port (GPIO42, GPIO43).


1) How should I configure the GPIO mux?

I found a similar question. But the link doesn't open.

https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/890943/tms320f28377s-gpio42-and-gpio43-for-sci-a

I found a example program. can I just set this up?
C:\ti\C2000Ware_1_00_05_00_Software\device_support\f2837xd\common\source\usb_hal.c
 

2) This is my program(SCI-A). What is the mux position value?(for USB)

 

3) provide an example program?

Thanks!
Best Regards,
  • 0
    TI__Mastermind 40115 points

    Hi Kang,

    Please see the 'usb_ex7_host_msc' SW example within the C2000WARE install directory below:

    C:\ti\c2000\C2000Ware_4_01_00_00\driverlib\f2837xd\examples\cpu1\usb

    This is intended to be run with the TMDSCNCD28379D hardware by default and using J8 connector for USB connections.

    Best,

    Kevin