Adds ubx message values, fixes typos

Author: edspark

examples/NEO-M8U/Example1_getIMU/Example1_getIMU.ino

@@ -1,4 +1,3 @@
-
 /*
   Some Description
   By: Elias Santistevan

src/SparkFun_Ublox_Arduino_Library.cpp

@@ -2812,7 +2812,7 @@ boolean SFE_UBLOX_GPS::getEsfRaw(uint16_t maxWait)
 
     uint32_t bitField = extractLong(4 + byteOffset * i);
     imuMetric.dataType[i] = (bitField && 0xFF000000) >> 23; // Repeating Blocks on the back burner...
-    imuMetric.data[i] = (bitField && 0xFFFFFF) 
+    imuMetric.data[i] = (bitField && 0xFFFFFF);
     imuMetric.timeStamp[i] = extractLong(8 + byteOffset * i); 
 
   }

src/SparkFun_Ublox_Arduino_Library.h

@@ -315,6 +315,14 @@ const uint8_t UBX_ACK_NACK = 0x00;
 const uint8_t UBX_ACK_ACK = 0x01;
 const uint8_t UBX_ACK_NONE = 0x02; //Not a real value
 
+// The following constants are used to get External Sensor Measurements and Status
+// Information. 
+const uint8_t UBX_ESF_MEAS = 0x02; 
+const uint8_t UBX_ESF_RAW = 0x03; 
+const uint8_t UBX_ESF_STATUS = 0x10; 
+const uint8_t UBX_ESF_INS = 0x15; //36 bytes
+
+
 const uint8_t SVIN_MODE_DISABLE = 0x00;
 const uint8_t SVIN_MODE_ENABLE = 0x01;
 
@@ -585,6 +593,7 @@ class SFE_UBLOX_GPS
   boolean getUdrStatus(uint16_t maxWait = 1100);
   boolean getInsInfo(uint16_t maxWait = 1100);
   boolean getExternSensMeas(uint16_t maxWait = 1100);
+  boolean getEsfRaw(uint16_t maxWait = 1100);
 
 	//Survey-in specific controls
 	struct svinStructure