S32KのトピックSPI communication with 32bit value

SPI communication with 32bit value

Learner — Tue, 29 Jun 2021 08:29:44 GMT

Hi Experts,

I am trying to implements SPI communication with my Slave IC with the option 32bits per frame.
But in processor expert generated code i can pass only 8bit char array:

status_t LPSPI_DRV_MasterTransferBlocking(uint32_t instance,
const uint8_t * sendBuffer,
uint8_t * receiveBuffer,
uint16_t transferByteCount,
uint32_t timeout);

Please suggest/guide how can i use processor expert with 32bits/frame.

Re: SPI communication with 32bit value

danielmartynek — Tue, 29 Jun 2021 10:57:05 GMT

Hi @Learner,

The frame size is configurable in the PE:

The buffers just have to be aligned:

Regards,

Daniel