lpspi_loopback#
Overview#
The lpspi_loopback demo shows how the lpspi do a loopback transfer, LPSPI master will transmit data to itself, so please connect the SOUT pin to SIN pin directly.
Running the demo#
When the example runs successfully, you can see the similar information from the terminal as below.
LPSPI functional interrupt example start. This example use one lpspi instance as master and another as slave on one board. Master uses interrupt way and slave uses interrupt way. Note that some LPSPI instances interrupt is in INTMUX ,you should set the intmux when you porting this example accordingly Please make sure you make the correct line connection. Basically, the connection is: LPSPI SOUT – SIN
LPSPI loopback example start LPSPI loopback test pass!!!