NMEA output library

Collaboration diagram for NMEA output library:

Classes
struct	NMEA_OUTPUT_CB
struct	nmea_raw_s

Macros
#define	NMEA_SENTENCE_MAX_LEN   160

Typedefs
typedef char	NMEA_SPECTRUM_DATA[112]

Functions
void	NMEA_InitMask (void)
int	NMEA_RegistOutputFunc (FAR const NMEA_OUTPUT_CB *func)
void	NMEA_SetMask (uint32_t mask)
uint32_t	NMEA_GetMask (void)
uint16_t	NMEA_Output (FAR const struct cxd56_gnss_positiondata_s *pposdat)
uint16_t	NMEA_OutputSpectrum (FAR NMEA_SPECTRUM_DATA *spectrumdat)
int	NMEA_ExtractRawData (FAR const struct cxd56_gnss_positiondata_s *pposdat, FAR struct nmea_raw_s *rawdat)

Detailed Description

Description of CXD56xx GNSS NMEA converter interface.

Macro Definition Documentation

NMEA_SENTENCE_MAX_LEN

#define NMEA_SENTENCE_MAX_LEN   160

Maximum length of one line of NMEA sentence output from this library

Typedef Documentation

NMEA_SPECTRUM_DATA

typedef char NMEA_SPECTRUM_DATA[112]

Spectrum OUTPUT data

Function Documentation

NMEA_GetMask()

uint32_t NMEA_GetMask

(

void

)

Get NMEA sentence mask

Return values

NMEA	sentence mask

NMEA_InitMask()

void NMEA_InitMask

(

void

)

Initialize NMEA sentence mask

NMEA_Output()

uint16_t NMEA_Output

(

FAR const struct cxd56_gnss_positiondata_s *

pposdat

)

Output NMEA sentence

Parameters

[in]

pposdat

: Position data output from GNSS

Return values

>0	: success, output total sentence size
<0	: fail

NMEA_OutputSpectrum()

uint16_t NMEA_OutputSpectrum

(

FAR NMEA_SPECTRUM_DATA *

spectrumdat

)

Output Spectrum data as TEXT sentence

Parameters

[in]

spectrumdat

: Spectrum data output from GNSS

Return values

>0	: success, output total sentence size
<0	: fail

NMEA_RegistOutputFunc()

int NMEA_RegistOutputFunc

(

FAR const NMEA_OUTPUT_CB *

func

)

Register output function

Parameters

[in]

*func

: function pointer

Return values

0	: success
<0	: fail

NMEA_SetMask()

void NMEA_SetMask

(

uint32_t

mask

)

Set NMEA sentence mask Give this function by ORing the bits in the table below corresponding to the sentence to be output. If set 0, stopping output.

Parameters

[in]

mask

: 32bit mask value

---

Mask description

• Defult value 0x000000ef.
• bit8 to bit31 are reserved.

bit	sentence
bit0	GGA
bit1	GLL
bit2	GSA
bit3	GSV
bit4	GNS
bit5	RMC
bit6	VTG
bit7	ZDA