X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fnet%2Fnmea.h;h=184a7a0aa1e4d07faf30df923807af84e56c29c4;hb=911d2706a86d326786bfe721dcc3d63aeade7f28;hp=28c7bf58d41ca1c881ca6bcf5e6a0795b7964168;hpb=c0e8a84a7f0e404ccaab0bb0cb36253f945ea657;p=bertos.git

diff --git a/bertos/net/nmea.h b/bertos/net/nmea.h
index 28c7bf58..184a7a0a 100644
--- a/bertos/net/nmea.h
+++ b/bertos/net/nmea.h
@@ -29,7 +29,7 @@
  * Copyright 2009 Develer S.r.l. (http://www.develer.com/)
  *
  * -->
- * \brief NMEA Parser
+ * \brief NMEA Parser.
  *
  * \author Daniele Basile <asterix@develer.com>
  *
@@ -45,7 +45,7 @@
 
 #include <net/nmeap/inc/nmeap.h>
 
-#include <kern/kfile.h>
+#include <io/kfile.h>
 
 #include <time.h>
 
@@ -58,37 +58,37 @@
 #define NMEA_GPGSV 4   // GSV MESSAGE ID
 
 // Standart type to rappresent fiels.
-typedef uint32_t udegree_t;    // Micro degrees
-typedef uint32_t mdegree_t;    // Milli degrees
-typedef uint16_t degree_t;     // Degrees
+typedef int32_t udegree_t;    // Micro degrees
+typedef int32_t mdegree_t;    // Milli degrees
+typedef int16_t degree_t;     // Degrees
 
 
 /**
  * Global Positioning System Fix Data.
  * Extracted data from a GGA message
  *
- * Note: time membert containt the second elapsed from 00:00:00 1/1/1970,
- * becouse from nmea sentence we read only the time of UTC position, we
- * not have any reference of date (day, month and year) so time is refered to
+ * Note: time member contains the seconds elapsed from 00:00:00 1/1/1970,
+ * because from nmea sentence we read only the time of UTC position, we
+ * have not any reference of date (day, month and year) so time is referred to
  * the start of unix time.
  */
 typedef struct NmeaGga
 {
 	udegree_t     latitude;   /* Latitude (micro degree) */
 	udegree_t     longitude;  /* Longitude (micro degree) */
-	uint16_t      altitude;   /* Altitude (Meter) */
+	int32_t       altitude;   /* Altitude (Meter) */
 	time_t        time;       /* UTC of position  (Unix time) */
 	uint16_t      satellites; /* Satellites are in view */
 	uint16_t      quality;    /* Fix Quality: 0 = Invalid; 1 = GPS fix; 2 = DGPS fix; */
 	uint16_t      hdop;       /* Relative accuracy of horizontal position (hdop * 10) */
-	uint16_t      geoid;      /* Height of geoid above WGS84 ellipsoid (Meter) */
+	int16_t       geoid;      /* Height of geoid above WGS84 ellipsoid (Meter) */
 } NmeaGga;
 
 /**
  * Recommended minimum specific GPS/Transit data.
  * Extracted data from an RMC message
  *
- * Note: RMC sentece contain also date stamp so, time contain real second elapsed
+ * Note: RMC sentences contain also date stamp so, time contains real seconds elapsed
  * from 0:00:00 1/1/1970.
  */
 typedef struct NmeaRmc
@@ -115,27 +115,20 @@ typedef struct NmeaVtg
 /**
  * Extracted data from an gsv message
  */
+struct SvInfo
+{
+	uint16_t    sv_prn;       /* SV PRN number */
+	degree_t    elevation;    /* Elevation in degrees, 90 maximum */
+	degree_t    azimut;       /* Azimuth, degrees from true north, 000 to 359 */
+	uint16_t    snr;          /* SNR, 00-99 dB (null when not tracking) */
+};
+
 typedef struct NmeaGsv
 {
-	uint16_t    tot_message;
-	uint16_t    message_num;
-	uint16_t    tot_svv;
-	uint16_t    sv_prn;
-	degree_t    elevation;
-	degree_t    azimut;
-	uint16_t    snr;
-	uint16_t    sv_prn2;
-	degree_t	elevation2;
-	degree_t    azimut2;
-	uint16_t    snr2;
-	uint16_t    sv_prn3;
-	degree_t	elevation3;
-	degree_t    azimut3;
-	uint16_t    snr3;
-	uint16_t    sv_prn4;
-	degree_t	elevation4;
-	degree_t    azimut4;
-	uint16_t    snr4;
+	uint16_t    tot_message;  /* Total number of messages of this type in this cycle */
+	uint16_t    message_num;  /* Message number */
+	uint16_t    tot_svv;      /* Total number of SVs in view */
+	struct SvInfo info[4];    /* Stanrd gsv nmea report up to 4 sv info */
 } NmeaGsv;
 
 void nmea_poll(nmeap_context_t *context, KFile *channel);
@@ -145,6 +138,12 @@ int nmea_gpvtg(nmeap_context_t *context, nmeap_sentence_t *sentence);
 int nmea_gprmc(nmeap_context_t *context, nmeap_sentence_t *sentence);
 int nmea_gpgga(nmeap_context_t *context, nmeap_sentence_t *sentence);
 
+// Example of callout
+void gpgga_callout(nmeap_context_t *context, void *data, void *user_data);
+void gprmc_callout(nmeap_context_t *context, void *data, void *user_data);
+void gpgsv_callout(nmeap_context_t *context, void *data, void *user_data);
+void gpvtg_callout(nmeap_context_t *context, void *data, void *user_data);
+
 int nmea_testSetup(void);
 int nmea_testTearDown(void);
 int nmea_testRun(void);