Index: firmware/App/Services/FPGA.c
===================================================================
diff -u -re9cc9eadcf846737bbc4e900db22f4c2a06ad922 -r494fa9614f7ec4cb0f677763c499044336ea8214
--- firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision e9cc9eadcf846737bbc4e900db22f4c2a06ad922)
+++ firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision 494fa9614f7ec4cb0f677763c499044336ea8214)
@@ -85,6 +85,9 @@
 #define FPGA_BLOOD_LEAK_STATUS_MASK     0x1000                  ///< Bit mask for blood leak detector.
 #define FPGA_BLOOD_LEAK_ZERO_STATE_MASK 0x2000                  ///< Bit mask for blood leak detector zero.
 
+#define FPGA_BLOOD_LEAK_ZERO_CMD        0x02                    ///< Bit for blood leak detector zero command.
+#define FPGA_BLOOD_LEAK_SELF_TEST_CMD   0x01                    ///< Bit for blood leak detector self test command.
+
 #define FPGA_ADA_INPUT_STATUS_MASK      0x0001                  ///< Bit mask for arterial air bubble detector input status.
 #define FPGA_ADV_INPUT_STATUS_MASK      0x0002                  ///< Bit mask for venous air bubble detector input status.
 
@@ -1436,19 +1439,6 @@
 
 /*********************************************************************//**
  * @brief
- * The setFPGASensorTest function sets the sensor test output.
- * @details Inputs: fpgaActuatorSetPoints
- * @details Outputs: fpgaActuatorSetPoints
- * @param sensorTest
- * @return none
- *************************************************************************/
-void setFPGASensorTest( U08 sensorTest )
-{
-    fpgaActuatorSetPoints.fpgaSensorTest = sensorTest;
-}
-
-/*********************************************************************//**
- * @brief
  * The getDoorState function gets the current state of door switch.
  * @details Inputs: none
  * @details Outputs: none
@@ -1540,13 +1530,52 @@
  * @details Outputs: none
  * @return FPGABloodLeakZeroDetected
  *************************************************************************/
-//void setFPGABloodLeakZero( void )
-//{
-    // TODO
-//}
+void setFPGABloodLeakZero( void )
+{
+    fpgaActuatorSetPoints.fpgaSensorTest = FPGA_BLOOD_LEAK_ZERO_CMD;
+}
 
 /*********************************************************************//**
  * @brief
+ * The clearFPGABloodLeakZero function clears the Blood Leak detector from
+ * zeroing mode via the FPGA.
+ * @details Inputs: fpgaSensorReadings
+ * @details Outputs: none
+ * @return none
+ *************************************************************************/
+void clearFPGABloodLeakZero( void )
+{
+    fpgaActuatorSetPoints.fpgaSensorTest = 0x00;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The setFPGABloodLeakSelfTest function sets the Blood Leak detector into
+ * self-test mode via the FPGA.
+ * @details Inputs: fpgaSensorReadings
+ * @details Outputs: none
+ * @return FPGABloodLeakZeroDetected
+ *************************************************************************/
+void setFPGABloodLeakSelfTest( void )
+{
+    fpgaActuatorSetPoints.fpgaSensorTest = FPGA_BLOOD_LEAK_SELF_TEST_CMD;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The clearFPGABloodLeakSelfTest function clears the Blood Leak detector from
+ * self-test mode via the FPGA.
+ * @details Inputs: fpgaSensorReadings
+ * @details Outputs: none
+ * @return none
+ *************************************************************************/
+void clearFPGABloodLeakSelfTest( void )
+{
+    fpgaActuatorSetPoints.fpgaSensorTest = 0x00;
+}
+
+/*********************************************************************//**
+ * @brief
  * The setValveDialyzerInletPosition function sets the position of VDi
  * in counts
  * @details Inputs: fpgaActuatorSetPoints