fixed analog reference voltage for different hw revisions

Author: ppescher

sam/1.0.3/variants/geolink_opentracker/variant.h

@@ -219,11 +219,25 @@ static const uint8_t CANTX = 33;
 #define PIN_EXT_SDA     20
 #define PIN_EXT_SCL     21
 #define PIN_WAKE_GSM    23
+#define PIN_C_PWR_GSM   25
+#define PIN_RESET_GPS   26
+#define PIN_STANDBY_GPS 27
+#define PIN_EXT_IN1     28
+#define PIN_EXT_IN2     29
+#define PIN_EXT_PA22    30
+#define PIN_EXT_PA23    31
+#define PIN_CANRX       32
+#define PIN_CANTX       33
+#define PIN_EXT_MISO    34
+#define PIN_EXT_MOSI    35
+#define PIN_EXT_SCK     36
+#define PIN_EXT_NS0     37
 #if !defined(OPENTRACKER_HW_REV) || (OPENTRACKER_HW_REV < 0x0240)
 // HW Revision 2.3 (and earlier)
 #define PIN_C_REBOOT    4
 #define PIN_RING_GSM    22
 #define PIN_GSM_VDD_EXT 24
+#define ANALOG_VREF     3.4f
 #else
 // HW Revision 2.4
 // dropped "REBOOT" pin and "GSM VDD" (unused)
@@ -232,22 +246,9 @@ static const uint8_t CANTX = 33;
 #define PIN_RING_GSM    24
 #define PIN_C_IN1_PD    38
 #define PIN_C_IN2_PD    39
+#define ANALOG_VREF     3.307f
 #endif
-#define PIN_C_PWR_GSM   25
-#define PIN_RESET_GPS   26
-#define PIN_STANDBY_GPS 27
-#define PIN_EXT_IN1     28
-#define PIN_EXT_IN2     29
-#define PIN_EXT_PA22    30
-#define PIN_EXT_PA23    31
-#define PIN_CANRX       32
-#define PIN_CANTX       33
-#define PIN_EXT_MISO    34
-#define PIN_EXT_MOSI    35
-#define PIN_EXT_SCK     36
-#define PIN_EXT_NS0     37
 
-#define ANALOG_VREF     3.4f
 #define AIN_S_INLEVEL   49
 #define AIN_EXT_IN1     28
 #define AIN_EXT_IN2     29