Add lots of LITERAL highlighting and new NMEA helper functions.

Author: Nathan Seidle

keywords.txt

@@ -29,6 +29,7 @@ calcChecksum	KEYWORD2
 sendCommand	KEYWORD2
 printPacket	KEYWORD2
 setI2CAddress	KEYWORD2
+setSerialRate	KEYWORD2
 setNMEAOutputPort	KEYWORD2
 
 setNavigationFrequency	KEYWORD2
@@ -127,7 +128,66 @@ getGeofenceState	KEYWORD2
 
 powerSaveMode	KEYWORD2
 
+configureMessage	KEYWORD2
+enableMessage	KEYWORD2
+disableMessage	KEYWORD2
+enableNMEAMessage	KEYWORD2
+disableNMEAMessage	KEYWORD2
+
 #######################################
 # Constants (LITERAL1)
 #######################################
 
+COM_TYPE_UBX	LITERAL1
+COM_TYPE_NMEA	LITERAL1
+COM_TYPE_RTCM3	LITERAL1
+
+COM_PORT_I2C	LITERAL1
+COM_PORT_UART1	LITERAL1
+COM_PORT_UART2	LITERAL1
+COM_PORT_USB	LITERAL1
+COM_PORT_SPI	LITERAL1
+
+UBX_CLASS_NAV	LITERAL1
+UBX_CLASS_RXM	LITERAL1
+UBX_CLASS_INF	LITERAL1
+UBX_CLASS_ACK	LITERAL1
+UBX_CLASS_CFG	LITERAL1
+UBX_CLASS_UPD	LITERAL1
+UBX_CLASS_MON	LITERAL1
+UBX_CLASS_AID	LITERAL1
+UBX_CLASS_TIM	LITERAL1
+UBX_CLASS_ESF	LITERAL1
+UBX_CLASS_MGA	LITERAL1
+UBX_CLASS_LOG	LITERAL1
+UBX_CLASS_SEC	LITERAL1
+UBX_CLASS_HNR	LITERAL1
+UBX_CLASS_NMEA	LITERAL1
+
+UBX_NMEA_GGA	LITERAL1
+UBX_NMEA_GLL	LITERAL1
+UBX_NMEA_GNS	LITERAL1
+UBX_NMEA_GRS	LITERAL1
+UBX_NMEA_GSA	LITERAL1
+UBX_NMEA_GST	LITERAL1
+UBX_NMEA_GSV	LITERAL1
+UBX_NMEA_RMC	LITERAL1
+UBX_NMEA_VTG	LITERAL1
+UBX_NMEA_ZDA	LITERAL1
+
+UBX_NAV_PVT	LITERAL1
+UBX_NAV_HPPOSECEF	LITERAL1
+UBX_NAV_HPPOSLLH	LITERAL1
+UBX_NAV_SVIN	LITERAL1
+UBX_NAV_RELPOSNED	LITERAL1
+
+UBX_RTCM_MSB	LITERAL1
+UBX_RTCM_1005	LITERAL1
+UBX_RTCM_1074	LITERAL1
+UBX_RTCM_1077	LITERAL1
+UBX_RTCM_1084	LITERAL1
+UBX_RTCM_1087	LITERAL1
+UBX_RTCM_1094	LITERAL1
+UBX_RTCM_1124	LITERAL1
+UBX_RTCM_1230	LITERAL1
+