Whenever a new message is received and put into the RXFIFO, the can.ISR[RXNEMP] and can.ISR[RXOK] bits are set to 1. If the RXFIFO is empty when the message is read, then the can.ISR[RXUFLW] is also set to 1.
Whenever a new message is received and put into the RXFIFO, the can.ISR[RXNEMP] and can.ISR[RXOK] bits are set to 1. If the RXFIFO is empty when the message is read, then the can.ISR[RXUFLW] is also set to 1.