diff --git a/src/transport/serial.rs b/src/transport/serial.rs
index 733e52f..e007667 100644
--- a/src/transport/serial.rs
+++ b/src/transport/serial.rs
@@ -45,7 +45,7 @@ impl PacketTransportSerialCobs {
     /// Send a packet.
     ///
     /// It encodes the packet using COBS encoding before sending it over the serial port.
-    fn send(&mut self, packet: &[u8]) -> Result<(), super::SendError> {
+    pub fn send(&mut self, packet: &[u8]) -> Result<(), super::SendError> {
         let encoded = cobs::encode_vec_including_sentinels(packet);
         log::debug!("sending COBS encoded packet: {:?}", encoded);
         self.serial.write_all(&encoded)?;
@@ -57,7 +57,7 @@ impl PacketTransportSerialCobs {
     /// This function pulls bytes from the serial port and feeds them into the COBS decoder.
     /// For each received packet, the closure will be called with the decoded packet as an argument.
     /// The function will return the number of received packets.
-    fn receive<F: FnMut(&[u8])>(&mut self, mut f: F) -> Result<usize, super::ReceiveError> {
+    pub fn receive<F: FnMut(&[u8])>(&mut self, mut f: F) -> Result<usize, super::ReceiveError> {
         let mut decoded_packets = 0;
         loop {
             let read_bytes = self.serial.read(&mut self.reception_buffer)?;