Index: firmware/App/Services/FPGA.c
===================================================================
diff -u -rcc4f8440e8ad7fa8f2ced2467d922be7422c344c -ra7675f3c917b632cf16207fc7ccfc1f38eb83f9b
--- firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision cc4f8440e8ad7fa8f2ced2467d922be7422c344c)
+++ firmware/App/Services/FPGA.c	(.../FPGA.c)	(revision a7675f3c917b632cf16207fc7ccfc1f38eb83f9b)
@@ -80,8 +80,8 @@
 
 #define MAX_COMM_ERROR_RETRIES          5                       ///< Maximum consecutive FPGA communication error retries.
 
-#define FPGA_INPUT_VOLTAGE_SCALE        3.0                     ///< FPGA source and aux voltage.
-#define FPGA_PVN_VOLTAGE_SCALE          1.0                     ///< FPGA pvn voltage.
+#define FPGA_INPUT_VOLTAGE_SCALE        3.0F                    ///< FPGA source and aux voltage.
+#define FPGA_PVN_VOLTAGE_SCALE          1.0F                    ///< FPGA pvn voltage.
 
 #define FPGA_ADC1_AUTO_READ_ENABLE      0x01                    ///< Auto-read enable bit for ADC1 control register.
 
@@ -100,14 +100,14 @@
 #define FPGA_ADA_BUBBLE_SELF_TEST_CMD   0x04                    ///< Bit for arterial air bubble detector self-test command.
 #define FPGA_ADV_BUBBLE_SELF_TEST_CMD   0x08                    ///< Bit for venous air bubble detector self-test command.
 
-#define FPGA_PBO_TEMP_DIVISOR           2047.0                  ///< Used in conversion of PBo temperature reading to deg C.
-#define FPGA_PBO_TEMP_GAIN              200.0                   ///< Used in conversion of PBo temperature reading to deg C.
-#define FPGA_PBO_TEMP_OFFSET            50.0                    ///< Used in conversion of PBo temperature reading to deg C.
+#define FPGA_PBO_TEMP_DIVISOR           2047.0F                 ///< Used in conversion of PBo temperature reading to deg C.
+#define FPGA_PBO_TEMP_GAIN              200.0F                  ///< Used in conversion of PBo temperature reading to deg C.
+#define FPGA_PBO_TEMP_OFFSET            50.0F                   ///< Used in conversion of PBo temperature reading to deg C.
 
 #define FPGA_ALARM_AUDIO_VOLUME_SHIFT   3                       ///< Shift alarm audio volume 3 bits to left before writing to register.
 #define FPGA_ALARM_AUDIO_DIVIDE_SHIFT   6                       ///< Shift alarm audio volume divider 6 bits to left before writing to register.
 
-#define FPGA_BACKUP_ALARM_AUDIO_CONVERT 0.4                     ///< Converts backup (piezo) alarm audio ADC volts to amps.
+#define FPGA_BACKUP_ALARM_AUDIO_CONVERT 0.4F                    ///< Converts backup (piezo) alarm audio ADC volts to amps.
 
 #define FRONT_DOOR_SWITCH_MASK          0x0010                  ///< Front door switch bit mask. Bit 4 of the GPIO register.
 #define PUMP_TRACK_SWITCH_MASK          0x0020                  ///< Pump track switch bit mask. Bit 5 of the GPIO register.