1 files changed, 47 insertions, 0 deletions
diff --git a/apps/gps/nmea_helper.h b/apps/gps/nmea_helper.h
new file mode 100644
index 000000000..8fd630bcd
--- /dev/null
+++ b/apps/gps/nmea_helper.h
@@ -0,0 +1,47 @@
+/*
+ * nmea_helper.h
+ *
+ *  Created on: Mar 15, 2012
+ *      Author: thomasgubler
+ */
+
+#ifndef NMEA_H_
+#define NMEA_H_
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include "nmealib/nmea/nmea.h"
+
+
+//definitions for watchdog
+#define NMEA_WATCHDOG_CRITICAL_TIME_MICROSECONDS 2000000
+#define NMEA_WATCHDOG_WAIT_TIME_MICROSECONDS 800000
+
+typedef struct {
+	uint64_t last_message_timestamp;
+}  __attribute__((__packed__)) type_gps_bin_nmea_state;
+
+typedef type_gps_bin_nmea_state gps_bin_nmea_state_t;
+
+extern gps_bin_nmea_state_t *nmea_state;
+extern pthread_mutex_t *nmea_mutex;
+
+
+
+int read_gps_nmea(int fd, char *gps_rx_buffer, int buffer_size, nmeaINFO *info, nmeaPARSER *parser);
+
+void *nmea_loop(void *arg);
+
+void *nmea_watchdog_loop(void *arg);
+
+/**
+ * \brief Convert NDEG (NMEA degree) to fractional degree
+ */
+float ndeg2degree(float val);
+
+void nmea_init(void);
+
+
+#endif /* NMEA_H_ */