Support for Chibios compilation

[qmk_firmware.git] / serial_link / protocol / physical.h

diff --git a/serial_link/protocol/physical.h b/serial_link/protocol/physical.h
index ee5883d36bfc34d6269e36e3263e27c3f8d9f184..425e06cdd294d541d5383aa72d935590cc01e279 100644 (file)
--- a/serial_link/protocol/physical.h
+++ b/serial_link/protocol/physical.h
@@ -22,4 +22,9 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
 
+#ifndef SERIAL_LINK_PHYSICAL_H
+#define SERIAL_LINK_PHYSICAL_H
+
 void send_data(uint8_t link, const uint8_t* data, uint16_t size);
+
+#endif