LAUNCHXL-CC1310: cc1310 spi how to use single transfer with spo=0 and sph=0?

tian jun

Intellectual 390 points

Part Number: LAUNCHXL-CC1310
Other Parts Discussed in Thread: CC1310

over 2 years ago

0 Marie H over 2 years ago

TI__Guru* 82431 points

Hi Tian,

You can find the SPI driver documentation here:

https://dev.ti.com/tirex/explore/node?node=A__APBcuxJTKKNMz9zTKL4.9A__com.ti.SIMPLELINK_CC13X0_SDK__eCfARaV__LATEST&placeholder=true

Cheers,

Marie H

0 tian jun over 2 years ago in reply to Marie H

Intellectual 390 points

According to my tests, in pol=0, pha=0 mode, the CC1310 SPI CS pin pulls up once after each byte is transmitted. How to set the chip select pin to be pulled high after a frame of data is sent, that is, to implement the single mode in the manual

+1 Marie H over 2 years ago in reply to tian jun

TI__Guru* 82431 points

Hi Tian,

I think you might need to bit-bang it, i.e. use the GPIO driver (or PIN driver) to manually pull the pin high.

Cheers,

Marie H

0 tian jun over 2 years ago in reply to Marie H

Intellectual 390 points

I understand，thanks for your reply.

Sub-1 GHz

Sub-1 GHz forum

LAUNCHXL-CC1310: cc1310 spi how to use single transfer with spo=0 and sph=0?