Hercules RM48L952ZWT SCI Driver HalCoGen and Physical USB port

Tammy Noergaard

Other Parts Discussed in Thread: HALCOGEN, RM48L952

Hello,

We are using the Hercules RM48L952ZWT board with HalCoGen generated drivers and TI demo code. There are 3 USB posts on ths board - miniUSB for TIXDS100V2 Emulator access (connect with TeraTerm session we can see output on PC over serial, etc.), USB device port and USB Host port.

The question is for the SCI drivers used to display text that is defaulted to miniUSB port, how can we change this in HalCOGen or manually so the output of these tests via SCI drivers (sciDisplayText(scilinREG,...) is redirected from miniUSB port to USB device port on Hercules board (we have enabled USB device and successfully run the USB device test with connected cable). Or redirected SCI output to JTAG emulator is Ok also. Thank you.

over 10 years ago

0 Zhaohong Zhang over 10 years ago

TI__Mastermind 22715 points

Tammy,

This SCI/LIN port is physically hooked to FT device and been seen as part of data on the mini USB port. If you want this piece of data to go elsewhere, you need to change your application so that the data to go to other port (USB for example).

Thanks and regards,

Zhaohong

0 Tammy Noergaard over 10 years ago in reply to Zhaohong Zhang

Genius 3665 points

Hi Thank you. Are both the SCI(1) and SCI(2)/LIN physically connected to this miniUSB physical port on the Hercules board?

0 Zhaohong Zhang over 10 years ago in reply to Tammy Noergaard

TI__Mastermind 22715 points

Only SCI(2)/LIN is hooked up with miniUSB port.

Thanks,

Zhaohong

0 Tammy Noergaard over 10 years ago in reply to Zhaohong Zhang

Genius 3665 points

Hi Thank you. What about the other SCI? Is this connected to anything on the Hercules board (in RM48 spec we have 2 SCIs available)?

0 Zhaohong Zhang over 10 years ago in reply to Tammy Noergaard

TI__Mastermind 22715 points

I think that they go to a connector. Please check the schematic. You will need to seup pinmux. The default pin function is n2het2.

Thanks,

Zhaohong

0 Tammy Noergaard over 10 years ago in reply to Zhaohong Zhang

Genius 3665 points

Hi Thank you. In the datasheet we have it looked like it was SCI (1) going to the miniUSB not the SCI(2)/LIN. In the test code from Ti it also read like it was going to the SCI(1). Which version of the datasheet/schematic do you have that we should be using if it is newer for our Hercules board? Can you send that to us? Thank you Again.

0 Zhaohong Zhang over 10 years ago in reply to Tammy Noergaard

TI__Mastermind 22715 points

What board are you using? I assume that you are using RM48L952 HDK. There are two SCI modules on this device. One is SCI alone the other one is is LIN/SCI. On the HDK, the LIN/SCI module is hooked up to the mini USB port. If you use HALCogen tool to configure SCI, This module is either LIN (for LIN function) or SCI2 (for SCI function).

Thanks and regards,

Zhaohong

0 Tammy Noergaard over 10 years ago in reply to Zhaohong Zhang

Genius 3665 points

Hi. Thank you. It is the TI Hercules board with the RM48L952ZWT and yes we are using HalCoGen generated drivers. In HalCoGen, we see SCI and SCI/LIN and we saw that in the RM48 manual. We assumed that means for this hardware we can configure "2" SCI ports. Was this interpretation incorrect? If there are "2" SCI ports, what are they both connected to (given we know one is connected to the miniUSB port on the Hercules board). Thank you again.

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Hercules RM48L952ZWT SCI Driver HalCoGen and Physical USB port