LIFETIME HOSTING CAN BE FUN FOR ANYONE

Because the 'is_tx = 0' can not be moved in the whole handler on account of a probable race in between the delay in switching to STATE_RX_AACK_ON plus a new interrupt, we introduce an intermediate 'was_tx' boolean only for this purpose. There is not any Fixes tag implementing here, numerous alterations happen to be manufactured on this space and Th