Given that the 'is_tx = 0' can not be moved in the whole handler as a consequence of a possible race in between the delay in switching to STATE_RX_AACK_ON as well as a new interrupt, we introduce an intermediate 'was_tx' boolean just for this intent. There is not any Fixes https://devinpuwzz.blogsuperapp.com/29171002/everything-about-wordpress-plugin