#include <os_loopdelay.h>

#if defined   (__CC_ARM) /*!< ARM Compiler */
__asm void os_loop_delay(unsigned long ulCount)
{
    subs    r0, #1;
    bne     os_loop_delay;
    bx      lr;
}
#elif defined ( __ICCARM__ ) /*!< IAR Compiler */
void os_loop_delay(unsigned long ulCount)
{
    __asm(" subs    r0, #1          \n"
       "    bne.n   os_loop_delay   \n"
       "    bx      lr");
}

#elif defined (__GNUC__) /*!< GNU Compiler */
__attribute__((naked))
void os_loop_delay(unsigned long ulCount){
    __asm("    subs    r0, #1           \n"
          "    bne     os_loop_delay    \n"
          "    bx      lr");
}
#endif /* __CC_ARM */