USE_COPY
tx_mode = USE_COPY;
if (tx_mode == USE_COPY) {
case USE_COPY:
USE_COPY : USE_DMA;
USE_COPY : USE_DMA;
if (current_flag == USE_COPY) {
USE_DMA: USE_COPY;
next_flag = USE_COPY;
USE_DMA: USE_COPY;
tcb->tx_type = USE_COPY;
case USE_COPY:
newtcb->tx_type = USE_COPY;
ASSERT3S(tcb->tx_type, ==, USE_COPY);
} else if (tcb->tx_type == USE_COPY) {