SPI communication problems

[shy13728]

Why does my serial port open affect SPI communication

[run_ar]

Hi,

Can you elaborate a little on what it is you are doing?

[shy13728]

Hello! Now I mainly do the drive control of SPI to ADC chip, but when I open the serial port to see the data, SPI communication has a problem, there is no write value

[run_ar]

Hi,
Could you post your code so it's possible to see what it is you are doing?

Please note that we have example code for SPI in our SDK that you can use as reference:
SPI Master Example

nrfx SPI Master Example