55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
/*
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* cm_nmea_decoder.h
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*
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* Created on: 26 Jun 2025
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* Author: Christian Lind Vie Madsen
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*/
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#ifndef MAIN_CM_NMEA_DECODER_CM_NMEA_DECODER_H_
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#define MAIN_CM_NMEA_DECODER_CM_NMEA_DECODER_H_
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#include <stdio.h>
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#include <stdint.h>
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typedef enum {
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NMEA_MSG_GPGLL = 0,
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}nmea_msg_type;
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typedef struct{
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uint8_t lat_deg; // Degrees: 0–90 (latitude) or 0–180 (longitude)
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uint32_t lat_min_x10000; // Minutes × 10,000 (e.g., 16.4512 → 164512)
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uint8_t lon_deg; // Degrees: 0–90 (latitude) or 0–180 (longitude)
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uint32_t lon_min_x10000; // Minutes × 10,000 (e.g., 16.4512 → 164512)
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char dir; // 'N', 'S', 'E', or 'W'
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}cm_nmea_coord;
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typedef struct{
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uint8_t hr;
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uint8_t min;
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uint8_t sec;
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}cm_nmea_time;
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typedef struct {
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cm_nmea_coord coordinates;
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cm_nmea_time time_utc;
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char data_valid;
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}cm_nmea_gpgll_msg;
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typedef struct {
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union{
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cm_nmea_gpgll_msg gpgll_msg;
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};
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}cm_nmea_msg_t;
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int cm_nmea_stringDecode(cm_nmea_msg_t *inst, char *str);
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#endif /* MAIN_CM_NMEA_DECODER_CM_NMEA_DECODER_H_ */
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