PROCESSOR-SDK-AM62A: GLBCE WDR LUT Usage

Hristo Bojilov

Tool/software:

Hello,

Examining the headers of the GLBCE we found this interesting piece of code:

/**
*  \brief Control structure for WDR Module.
*         Used to enable/disable module and to set WDR Lut
*/
typedef struct
{
    uint32_t                    enable;
    /**< Flag to enable/disable FrontEnd Wdr */
    uint32_t                    table[GLBCE_WDR_LUT_SIZE];
    /**< WDR Table */
} Glbce_WdrConfig;

We could not find anywhere in the code where table[GLBCE_WDR_LUT_SIZE] is actuablly being used. Is this by design? Can it be used?

Thank your for your time!

Best regards,

Hristo

over 2 years ago

0 Hristo Bojilov over 2 years ago

Prodigy 220 points

I probably should have mentioned our particular use-case: it would be advantageous for us if this LUT is supported in the VISS (as in TDA3).

Again: could this be by design? Can we somehow make use of it?

0 Hrushikesh Tukaram Garud over 2 years ago in reply to Hristo Bojilov

TI__Intellectual 2615 points

Hello Hristo,

Thank you for your question. We have forwarded your question to the concerned team.

Best Regards

Hrushikesh

0 Gang Hua over 2 years ago in reply to Hrushikesh Tukaram Garud

TI__Guru 67800 points

Hi Hristo,

WDR LUT shall be supported by vhwa driver in PDK and MCU+ for programming GLBCE H/W.
At the level of OpenVX VISS kernel, I don't see WDR LUT is used.
You may have to modify the VISS kernel in order to use it.

Copying my friend Pratik for his comments.

Pratik Roy

0 Gang Hua over 2 years ago in reply to Gang Hua

TI__Guru 67800 points

Hi Hristo,

I see in "mcu_plus_sdk/source/drivers/vhwa/src/csl/src/csl_glbce.c" driver code for changing WDR LUT.

273 /* Function to set GLBCE Percept Forward/Reverse configuration */
274 int32_t CSL_glbceSetWdrConfig(CSL_glbceRegs *gRegs,
275     const Glbce_WdrConfig *cfg)
276 {
277     int32_t           status = FVID2_SOK;
278     volatile uint32_t *regAddr;
279     uint32_t          cnt;
280
281     if ((NULL == cfg) || (NULL == gRegs))
2

This function is called in "mcu_plus_sdk/source/drivers/vhwa/src/drv/vhwa_m2mVissCsl.c".

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PROCESSOR-SDK-AM62A: GLBCE WDR LUT Usage