Arm Cortex-M Processor Macro Definition Documentation

 

SYS_WAIT_FOR_EVENT

#define SYS_WAIT_FOR_EVENT __ASM("wfe")

 

Location: cortex.h:44

 

Wait for an event.

 

 

Example Code for SYS_WAIT_FOR_EVENT

    // Stop executing code, put core into low power state, waiting for an event. 

    SYS_WAIT_FOR_EVENT;

 

SYS_WAIT_FOR_INTERRUPT

#define SYS_WAIT_FOR_INTERRUPT __ASM("wfi")

 

Location: cortex.h:50

 

Wait for an interrupt.

 

 

Example Code for SYS_WAIT_FOR_INTERRUPT

    // Stop executing code, put core into low power state, waiting for an 

    // interrupt. 

    SYS_WAIT_FOR_INTERRUPT;