Index: firmware/App/Services/FPGA.h
===================================================================
diff -u -r4ebc1f7e1aeb3a332e91fcdd1bbbe1a01873d93a -r4b22b45e775c0525bc1d76e83e265af91a59785e
--- firmware/App/Services/FPGA.h	(.../FPGA.h)	(revision 4ebc1f7e1aeb3a332e91fcdd1bbbe1a01873d93a)
+++ firmware/App/Services/FPGA.h	(.../FPGA.h)	(revision 4b22b45e775c0525bc1d76e83e265af91a59785e)
@@ -45,6 +45,11 @@
 U16 getFPGAStatus( void );
 void setFPGAControl( U16 ctrl );
 
+#ifdef READ_FPGA_ASYNC_DATA
+F32 getFPGABloodFlowSignalStrength( void );
+F32 getFPGADialysateFlowSignalStrength( void );
+#endif
+
 F32 getFPGABloodFlow( void );
 F32 getFPGADialysateFlow( void );