Since the 'is_tx = 0' cannot be moved in the entire handler as a result of a feasible race involving the delay in switching to STATE_RX_AACK_ON along with a new interrupt, we introduce an intermediate 'was_tx' boolean only for this function. There is not any Fixes tag making use of https://stephennruvw.like-blogs.com/28501899/indicators-on-hosting-service-1-website-lifetime-you-should-know