SPI Driver question

liuruowen — Tue, 17 Dec 2019 09:05:40 GMT

ProcessorExpert.pe：

Code：

LPSPI_DRV_MasterInit(LPSPICOM1,&lpspiCom1State,&lpspiCom1_MasterConfig0);
LPSPI_DRV_MasterSetDelay(LPSPICOM1,10,10,10);

unsigned char test_rx[4];
unsigned char test_tx[4] = {0x33,0x55,0xaa,0xcc};
LPSPI_DRV_MasterTransferBlocking(LPSPICOM1,&test_tx[0],&test_rx[0],4,1000);

Result（use Kingst Logic Analyzer tool）: OK

but,i use

ProcessorExpert.pe：

Code：

LPSPI_DRV_MasterInit(LPSPICOM1,&lpspiCom1State,&lpspiCom1_MasterConfig0);
LPSPI_DRV_MasterSetDelay(LPSPICOM1,10,10,10);

unsigned char test_rx[4];
unsigned char test_tx[4] = {0x33,0x55,0xaa,0xcc};
LPSPI_DRV_MasterTransferBlocking(LPSPICOM1,&test_tx[0],&test_rx[0],4,1000);

Result（use Kingst Logic Analyzer tool）: NOK

So,why is this happening? Are there any configuration issues？

Re: SPI Driver question

razva_tilimpea — Wed, 18 Dec 2019 07:10:53 GMT

Hi,

Configuration looks fine. Can you share your project?

Razvan

Re: SPI Driver question

liuruowen — Fri, 20 Dec 2019 00:56:22 GMT

Hello,

I have found the problem because the MISO port of the DEMO board is damaged.

Thank you！

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