AWR1843BOOST: AWR1843BOOST SBL always get "parsing error"

Lei

Expert 2050 points

Part Number: AWR1843BOOST

From the source code of C:\ti\mmwave_automotive_toolbox_3_1_0\labs\lab0012_can_sbl and CAN_Metaimage_Flasher.exe, I find the bit timing params have different setting.

Can you please check if these different settings make impact on the SBL downloading?

can_sbl18xx_mss/transport.c

    /* Configure the bit timing parameters. */
    mcanBitTimingParams.nomBrp = 0x2U;
    mcanBitTimingParams.nomPropSeg = 0x8U;
    mcanBitTimingParams.nomPseg1 = 0x6U;
    mcanBitTimingParams.nomPseg2 = 0x5U;
    mcanBitTimingParams.nomSjw = 0x1U;
    
    mcanBitTimingParams.dataBrp = 0x1U;
    mcanBitTimingParams.dataPropSeg = 0x2U;
    mcanBitTimingParams.dataPseg1 = 0x2U;
    mcanBitTimingParams.dataPseg2 = 0x3U;
    mcanBitTimingParams.dataSjw = 0x1U;

CAN_Metaimage_Flasher.cpp

TPCANBitrateFD bitRate = (LPSTR)"f_clock_mhz=40, nom_brp=5, nom_tseg1=5, nom_tseg2=2, nom_sjw=1, data_brp=1, data_tseg1=4, data_tseg2=3, data_sjw=1";

Thanks

Ree

over 4 years ago

0 Aniket Mahajan over 4 years ago

TI__Genius 15046 points

Hi ,

Our expert on this topic will get back to you next week.

Regards,

Aayush

0 Jitendra Gupta over 4 years ago

TI__Guru 69960 points

This setting can be controlled via Flasher tool GUI.

Are you not able to flash the image to the device over CAN?

0 Lei over 4 years ago in reply to Jitendra Gupta

Expert 2050 points

Yes. I can flash the image to the device over CAN if use above bit timing settings.

But you can see some parameters of bit timing settings in can_sbl18xx_mss/transport.c and CAN_Metaimage_Flasher.cpp are not the same.

ex.

can_sbl18xx_mss/transport.c: mcanBitTimingParams.nomBrp = 0x2U;

CAN_Metaimage_Flasher.cpp: nom_brp=5,

I do not understand why they have different parameter value. Can you explain?

0 Jitendra Gupta over 4 years ago in reply to Lei

TI__Guru 69960 points

Hi Ree,

Let me check this with team and get back.

Regards,

Jitendra

0 Jitendra Gupta over 4 years ago in reply to Lei

TI__Guru 69960 points

You can have different values of the seg1 , seg2, brp and still arrive at the bitrate you need , but the difference is in the sample point .

This is not an issue.

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AWR1843BOOST: AWR1843BOOST SBL always get "parsing error"