topic Re: HELP SPI in LPC Microcontrollers

HELP SPI

lpcware — Wed, 15 Jun 2016 19:37:54 GMT

Content originally posted in LPCWare by marcos_naut on Wed Nov 07 04:35:14 MST 2012
I need clear the SPI's buffer i used soft bellowbut not clear full???

for ( i = 0; i < FIFOSIZE; i++ )
{
Dummy = LPC_SSP1->DR;/* clear the RxFIFO */
}

Re: HELP SPI

lpcware — Wed, 15 Jun 2016 19:37:54 GMT

Content originally posted in LPCWare by Daniel Widyanto on Wed Nov 07 22:25:31 MST 2012
Hi,

Use RNE bit at SR (Status Register) to check whether SPI receive FIFO is empty or not.

<code>
while (LPC_SSP1->SR & (1 << RNE)) {
uint32_t dummy = LPC_SSP1->DR;
}
</code>

Re: HELP SPI

lpcware — Wed, 15 Jun 2016 19:37:55 GMT

Content originally posted in LPCWare by marcos_naut on Thu Nov 08 09:39:07 MST 2012
Thank you!