Index: firmware/App/Drivers/InternalADC.c
===================================================================
diff -u -r0b17c6271cdc3c55697a74ecaadb477d9c8f5687 -r35de566c96433689821b7a21f731df26b40d67ae
--- firmware/App/Drivers/InternalADC.c	(.../InternalADC.c)	(revision 0b17c6271cdc3c55697a74ecaadb477d9c8f5687)
+++ firmware/App/Drivers/InternalADC.c	(.../InternalADC.c)	(revision 35de566c96433689821b7a21f731df26b40d67ae)
@@ -37,12 +37,12 @@
     INT_ADC_RO_PUMP_OUTLET_PRESSURE,    // 1
     INT_ADC_DRAIN_PUMP_OUTLET_PRESSURE, // 2
     INT_ADC_DRAIN_PUMP_INLET_PRESSURE,  // 3
-    INT_ADC_NOT_USED,                   // 4
+    INT_ADC_MAIN_24_VOLTS,              // 4
     INT_ADC_FPGA_1_8_VOLTS,             // 5
     INT_ADC_FPGA_1_VOLT,                // 6
     INT_ADC_SENSORS_3_3_VOLTS,          // 7
     INT_ADC_PROCESSOR_1_8_VOLTS,        // 8
-    INT_ADC_SENSORS_6_VOLTS,            // 9
+    INT_ADC_POWER_SUPPLY_GATE_DRIVER,   // 9
     INT_ADC_SENSORS_5_VOLTS,            // 10
     INT_ADC_LOGIC_5_VOLTS,              // 11
     INT_ADC_3_3_VOLTS,                  // 12
@@ -59,6 +59,35 @@
     INT_ADC_POWER_SUPPLY_2_THERMISTOR,  // 23
 };
 
+const F32 ADC_CHANNEL_READ_TO_UNITS[ NUM_OF_INT_ADC_CHANNELS ] =
+{ // TODO - get conversion for these channels
+    0.0,        //     - INT_ADC_NOT_USED
+    0.06434,    // PSIA- INT_ADC_RO_PUMP_INLET_PRESSURE
+    0.06434,    // PSIA- INT_ADC_RO_PUMP_OUTLET_PRESSURE
+    0.06434,    // PSIA- INT_ADC_DRAIN_PUMP_OUTLET_PRESSURE
+    0.06434,    // PSIA- INT_ADC_DRAIN_PUMP_INLET_PRESSURE
+    1.0,        // ?   - INT_ADC_CONCENTRATE_PUMP_1
+    1.0,        // ?   - INT_ADC_CONCENTRATE_PUMP_2
+    1.0,        // V   - INT_ADC_PRIMARY_HEATER_24_VOLTS
+    1.0,        // V   - INT_ADC_TRIMMER_HEATER_24_VOLTS
+    1.0,        // C   - INT_ADC_BOARD_THERMISTOR
+    1.0,        // V   - INT_ADC_FPGA_1_8_VOLTS
+    1.0,        // V   - INT_ADC_FPGA_1_VOLT
+    1.0,        // V   - INT_ADC_PROCESSOR_1_8_VOLTS
+    1.0,        // V   - INT_ADC_PROCESSOR_1_2_VOLTS
+    1.0,        // V   - INT_ADC_SENSORS_3_3_VOLTS
+    1.0,        // V   - INT_ADC_SENSORS_5_VOLTS
+    1.0,        // V   - INT_ADC_MAIN_24_VOLTS
+    1.0,        // V   - INT_ADC_LOGIC_5_VOLTS
+    1.0,        // V   - INT_ADC_3_3_VOLTS
+    1.0,        // V   - INT_ADC_REFERENCE_VOLTAGE
+    1.0,        // V   - INT_ADC_REF_IN1
+    1.0,        // V   - INT_ADC_REF_IN2
+    1.0,        // C   - INT_ADC_POWER_SUPPLY_1_THERMISTOR
+    1.0,        // C   - INT_ADC_POWER_SUPPLY_2_THERMISTOR
+    1.0         // V   - INT_ADC_POWER_SUPPLY_GATE_DRIVER
+};
+
 // ********** private data **********
 
 static adcData_t adcRawReadings[ NUM_OF_INT_ADC_CHANNELS ];               ///< Buffer holds latest adc channel readings.
@@ -178,4 +207,29 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The getIntADCVoltageConverted function gets the latest average voltage
+ * (converted per transfer function) for a given channel.
+ * @details Inputs: adcReadingsAvgs[], ADC_CHANNEL_READ_TO_UNITS[]
+ * @details Outputs: none
+ * @param channel adc channel to retrieve a converted voltage for
+ * @return average converted voltage for the given channel
+ *************************************************************************/
+F32 getIntADCVoltageConverted( INT_ADC_CHANNEL_T channel )
+{
+    F32 result = 0.0;
+
+    if ( channel < NUM_OF_INT_ADC_CHANNELS )
+    {
+        result = (F32)adcReadingsAvgs[ channel ] * ADC_CHANNEL_READ_TO_UNITS[ channel ];
+    }
+    else
+    {
+        SET_ALARM_WITH_2_U32_DATA( ALARM_ID_DG_SOFTWARE_FAULT, SW_FAULT_ID_INT_ADC_INVALID_CHANNEL_REQUESTED, channel )
+    }
+
+    return result;
+}
+
 /**@}*/