Regarding spi communication between nrf51822 and rfid mfrc522

[Manjunath G]

Hello,i am not understanding the master and slave  program for spi code in the given example ,can somebody suggest me the easiest way to understand it.

[awneil]

Manjunath G said:

which one will be better code

The one which best fits your requirements!

The mfrc522 will probably define whether the nRF51822 needs to be the master or slave.