40#ifndef ATOMIC_CORTEX_H_
41#define ATOMIC_CORTEX_H_
44#ifdef CMSIS_CONF_HEADER_PATH
45#include CMSIS_CONF_HEADER_PATH
51#define atomic_cas_uint8(t,o,n) atomic_cortex_cas_uint8((t),(o),(n))
54atomic_cortex_cas_uint8(uint8_t *target, uint8_t old_val, uint8_t new_val)
58 if(__LDREXB(target) == old_val) {
59 status = __STREXB(new_val, target);
64 return status == 0 ? true :
false;