wait for messages from the sender programmed with NODE_ID 1. In the case of the
sender, messages with three different AM ids are sent from three different
threads in an infinite loop, and one of LED0, LED1, and LED2 are toggled upon
wait for messages from the sender programmed with NODE_ID 1. In the case of the
sender, messages with three different AM ids are sent from three different
threads in an infinite loop, and one of LED0, LED1, and LED2 are toggled upon