TMS320F280041: What FSI TX triggers are valid on F28004　？

Hidehiko Kaya

Intellectual 690 points

Part Number: TMS320F280041
Other Parts Discussed in Thread: C2000WARE

Hi experts,

I develop FSI communication code based on below.

C2000Ware_4_01_00_00\examples\demos\f28004x_fsi_daisychain_epwmsync\fsi_daisy_epwmsync_node.

It sets 0 on a register(TX_OPER_CTRL_HI.EXT_TRIG_SEL)

but 0 means reserved in sprui33d.pdf(F28004 TRM).

On F28388D TRM, 0 indicates "EPWM XBAR0-TRIP4".

Could you let us know correct specification FSI on F28004 ?

    FSI_setTxStartMode(FSITXA_BASE, FSI_TX_START_EXT_TRIG);
    FSI_setTxExtFrameTrigger(FSITXA_BASE, 0);

Best regards,

Hidehiko

over 3 years ago

0 Kevin Allen18 over 3 years ago

TI__Mastermind 45236 points

Hi Hidehiko,

Hidehiko Kaya said:
On F28388D TRM, 0 indicates "EPWM XBAR0-TRIP4".

F28004x device should match this as well. The TRM and software needs to be updated accordingly. I believe it's already planned for the next release but I will check.

I'm sorry for this confusion.

Best,

Kevin

0 Hidehiko Kaya over 3 years ago in reply to Kevin Allen18

Intellectual 690 points

Hi Kevin,

Thank you for your reply.

I wait for your feedback.

Best regards,

Hidehiko

0 Kevin Allen18 over 3 years ago in reply to Hidehiko Kaya

TI__Mastermind 45236 points

Hi Hidehiko,

The FSI_ExtFrameTriggerSrc enum in fsi.h DriverLib file is already updated to match this. The next TRM update should reflect this change as well.

    FSI_EXT_TRIGSRC_EPWM_XBARTRIP4   = 0U,
    FSI_EXT_TRIGSRC_EPWM_XBARTRIP5   = 1U,
    FSI_EXT_TRIGSRC_EPWM_XBARTRIP7   = 2U,
    FSI_EXT_TRIGSRC_EPWM_XBARTRIP8   = 3U,
    FSI_EXT_TRIGSRC_EPWM_XBARTRIP9   = 4U,
    FSI_EXT_TRIGSRC_EPWM_XBARTRIP10  = 5U,
    FSI_EXT_TRIGSRC_EPWM_XBARTRIP11  = 6U,
    FSI_EXT_TRIGSRC_EPWM_XBARTRIP12  = 7U,

Function call in 'fsi_daisy_epwmsync_node.c' should be updated to the below, I will file an internal ticket for this to be updated.

FSI_setTxExtFrameTrigger(FSITXA_BASE, FSI_EXT_TRIGSRC_EPWM_XBARTRIP4);

Best,

Kevin

0 Hidehiko Kaya over 3 years ago in reply to Kevin Allen18

Intellectual 690 points

Hi Kevin,

Thank you for your information.

I understand that 0-7 values are effective on F28004.

Best regards,

Hidehiko

C2000™︎ microcontrollers

C2000 microcontrollers forum

TMS320F280041: What FSI TX triggers are valid on F28004　？

C2000™︎ microcontrollers

C2000 microcontrollers forum

TMS320F280041: What FSI TX triggers are valid on F28004 ？

TMS320F280041: What FSI TX triggers are valid on F28004　？