MibSPI5 Chip select issue

sanjeev kumar hathe

Intellectual 265 points

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over 11 years ago

0 Chuck Davenport over 11 years ago

TI__Guru 59540 points

Hi Sanjeev,

I have forwarded your post to one of our MibSPI experts. They should be getting back with you shortly.

0 sanjeev kumar hathe over 11 years ago in reply to Chuck Davenport

Intellectual 265 points

Hi, can some one please update

Thanks

Sanjeev

0 Chuck Davenport over 11 years ago in reply to sanjeev kumar hathe

TI__Guru 59540 points

Hello Sanjeev,

My apologies for the delay in response. I will send a direct note to the subject matter expert to remind them to take a look at your issue. In the mean time, can you please confirm which part number you are using? We do not have a device with the part number you are referencing.

0 sanjeev kumar hathe over 11 years ago in reply to Chuck Davenport

Intellectual 265 points

Sorry, it's my mistake it's TMS570LS20216ZWT

0 Sunil Oak over 11 years ago in reply to sanjeev kumar hathe

TI__Mastermind 49120 points

Sanjeev,

Your MibSPI5 initialization routine includes

/* SPI set all pins to functional */
spiREG5->PCFUN |= (1 /* SCS[0] */
| (1 << 9) /* CLK */
| (1 << 10) /* SIMO */
| (1 << 11)); /* SOMI */

You need to also configure the CS[1] as a functional signal, unless you are driving it as a general-purpose output signal.

Regards, Sunil

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MibSPI5 Chip select issue