BUSY_WAIT          11 platform/ixus130_sd1400/sub/100a/led.c #undef  BUSY_WAIT
BUSY_WAIT          12 platform/ixus130_sd1400/sub/100a/led.c #define BUSY_WAIT busy_wait
BUSY_WAIT          38 platform/ixus130_sd1400/sub/100a/led.h #define BUSY_WAIT(delay) do { unsigned long i = (delay); while (--i) asm volatile("nop\n"); } while (0)