CAN (canbus)

available()

CAN::available, available, CAN.available

The number of received messages waiting in the receive queue.

Returns: uint8_t : the number of messages.

// SYNTAX
uint8_t count = can.available();

// EXAMPLE
CANChannel can(CAN_D1_D2);
if(can.available() > 0) {
  // there are messages waiting
}