cycle_counter.c

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/*
 * Support and FAQ: visit <a href="https://www.microchip.com/support/">Microchip Support</a>
 */
 
#include "cycle_counter.h"
 
// Delay loop is put to SRAM so that FWS will not affect delay time
OPTIMIZE_HIGH
RAMFUNC
void portable_delay_cycles(unsigned long n)
{
    UNUSED(n);
 
    __asm (
        "loop: DMB  \n"
        "SUBS R0, R0, #1  \n"
        "BNE.N loop         "
    );
}