Index: firmware/App/Modes/FPModes/FPOperationModes.c
===================================================================
diff -u -r5398b91c33e6fd39a74dbe132e50120965ef4107 -rc554353ba10c84377f0b9f7218f911543a293598
--- firmware/App/Modes/FPModes/FPOperationModes.c	(.../FPOperationModes.c)	(revision 5398b91c33e6fd39a74dbe132e50120965ef4107)
+++ firmware/App/Modes/FPModes/FPOperationModes.c	(.../FPOperationModes.c)	(revision c554353ba10c84377f0b9f7218f911543a293598)
@@ -35,6 +35,8 @@
 
 #define BROADCAST_TD_OP_MODE_INTERVAL     ( 250 / TASK_GENERAL_INTERVAL )       ///< FP operation mode broadcast interval (in task interval/sec).
 #define DATA_PUBLISH_COUNTER_START_COUNT  11                                    ///< Data publish counter start count.
+#define SIGNAL_START                      1
+#define SIGNAL_STOP                       0
 
 // ********** private data **********
 
@@ -57,7 +59,7 @@
 /* FAUL     */{ FP_MODE_FAUL, FP_MODE_SERV, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG },
 /* SERV     */{ FP_MODE_FAUL, FP_MODE_SERV, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG },
 /* INIT     */{ FP_MODE_FAUL, FP_MODE_NLEG, FP_MODE_INIT, FP_MODE_STAN, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_NLEG },
-/* STAN     */{ FP_MODE_FAUL, FP_MODE_SERV, FP_MODE_NLEG, FP_MODE_STAN, FP_MODE_PGEN, FP_MODE_GENP, FP_MODE_DPGP, FP_MODE_DEGP },
+/* STAN     */{ FP_MODE_FAUL, FP_MODE_SERV, FP_MODE_NLEG, FP_MODE_STAN, FP_MODE_PGEN, FP_MODE_NLEG, FP_MODE_DPGP, FP_MODE_NLEG },
 /* PGEN     */{ FP_MODE_FAUL, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_STAN, FP_MODE_PGEN, FP_MODE_GENP, FP_MODE_NLEG, FP_MODE_NLEG },
 /* GENW     */{ FP_MODE_FAUL, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_STAN, FP_MODE_NLEG, FP_MODE_GENP, FP_MODE_NLEG, FP_MODE_NLEG },
 /* DPGP     */{ FP_MODE_FAUL, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_STAN, FP_MODE_NLEG, FP_MODE_NLEG, FP_MODE_DPGP, FP_MODE_DEGP },
@@ -403,7 +405,7 @@
  * The isFPDefeatured function returns if the Leahi device is defeatured.
  * @details \b Inputs: none
  * @details \b Outputs: none
- * @return the current state of standby mode.
+ * @return the boolean if the FP device is defeatured.
  *************************************************************************/
 BOOL isFPDefeatured( void )
 {
@@ -417,15 +419,62 @@
  * has a boost pump installed.
  * @details \b Inputs: none
  * @details \b Outputs: none
- * @return the current state of standby mode.
+ * @return the boolean if boost pump is installed.
  *************************************************************************/
 BOOL isBoostPumpInstalled( void )
 {
     // TODO - pull status from NV mem.
     return isBoostInstalled;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The signalStopGenPermeate function returns if the Leahi device
+ * has a boost pump installed.
+ * @details \b Inputs: none
+ * @details \b Outputs: none
+ * @return the rejection reason codes for stopping generate permeate.
+ *************************************************************************/
+REQUEST_REJECT_REASON_CODE_T signalStopGenPermeate( void )
+{
+    REQUEST_REJECT_REASON_CODE_T reason = REQUEST_REJECT_REASON_NONE;
+    // Stop is agnostic to defeatured/featured.
+    // As long as were not in fault or POST, request to go to standby to stop
+    if ( currentMode >= FP_MODE_STAN )
+    {
+        requestNewFPOperationMode( FP_MODE_STAN );
+    }
+    else
+    {
+        reason = REQUEST_REJECT_REASON_NOT_ALLOWED_IN_CURRENT_MODE;
+    }
+    return reason;
+}
 
+/*********************************************************************//**
+ * @brief
+ * The signalStartGenPermeate function returns if the Leahi device
+ * has a boost pump installed.
+ * @details \b Inputs: none
+ * @details \b Outputs: none
+ * @return the rejection reason codes for starting generate permeate.
+ *************************************************************************/
+REQUEST_REJECT_REASON_CODE_T signalStartGenPermeate( void )
+{
+    REQUEST_REJECT_REASON_CODE_T reason = REQUEST_REJECT_REASON_NONE;
+    // TODO - Service and disinfection checks happen here.
+    if ( TRUE == isFPDefeatured() )
+    {
+        requestNewFPOperationMode( FP_MODE_DPGP );
+    }
+    else
+    {
+        requestNewFPOperationMode( FP_MODE_PGEN );
+    }
+    return reason;
+}
+
+
 /*************************************************************************
  *                       TEST SUPPORT FUNCTIONS
  *************************************************************************/
@@ -480,4 +529,37 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The testSetGeneratePermeateSignal function sets start stop signal of generate
+ * permeate.
+ * @details \b Inputs: none
+ * @details \b Outputs: none
+ * @param message message from Dialin which includes the signal to start or stop
+ * generate permeate modes.
+ * @return TRUE if set successful, FALSE if not
+ *************************************************************************/
+BOOL testSetGeneratePermeateSignal( MESSAGE_T *message )
+{
+    BOOL result = FALSE;
+
+    // Verify message payload length is valid
+    if ( sizeof( U32 ) == message->hdr.payloadLen )
+    {
+        U32 signalStartStop;
+
+        memcpy( &signalStartStop, message->payload, sizeof( U32 ) );
+        if ( SIGNAL_START == signalStartStop )
+        {
+            signalStartGenPermeate();
+        }
+        else if ( SIGNAL_STOP == signalStartStop )
+        {
+            signalStopGenPermeate();
+        }
+    }
+
+    return result;
+}
+
 /**@}*/