This post is older than 2 years and might not be relevant anymore
More Info: Consider searching for newer posts

spi_interrupt not ocuurs

I am using spi_master.c for spi communication with nRF51822EK.

And i had sent and recieved data packet successfully for 1st time with spi_master_send_recv(). When i sending 2nd packet of data it writes the initial bytes(1st 2 bytes),enables spi interrupt also, but m not getting spi interrupt.

I am using sdk6 and sd7. SPI interrupt priority---3

Top Replies

Stefan Birnir Sverrisson over 10 years ago +2

Hi Yes you are correct, the SPI peripheral only holds 2 bytes and can not hold more data. When the SPI has transmitted one of those bytes, it will give a READY event, which you can use to load an additional…