严格时序的数据复制粘贴

eric2013

/** Memcopy with strictly ordered memory access, e.g. for register targets.
* \param dst Destination data is copied to.
* \param src Source data is copied from.
* \param len Amount of data words to be copied.
*/
__STATIC_INLINE void ARM_MPU_OrderedMemcpy(volatile uint32_t* dst, const uint32_t* __RESTRICT src, uint32_t len)
{
  uint32_t i;
  for (i = 0U; i < len; ++i)
  {
    dst[i] = src[i];
  }
}