Casio DT-X30 R-50C Spécifications Page 120

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 333
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 119
120
NMEA Sentence Output
The NMEA-0183 is output in text format with each item separated by a comma (,) and sentences
separated by a new line code (CRLF). The checksum is added up at the line end. The checksum
calculates the XOR’ed value of character data enclosed by $ , ' and * in hexadecimal string values.
Table 2.85
$ Sentence-identifying character , value (, value)… *Checksum CRLF
Multiple sentence types are defined.
Some data containing broken sentences may be read depending on when the GPS is opened and
read. NMEA sentence data can be properly interpreted use programming procedures such as those
listed below.
Detect head of sentence using $ character.
Detect end of sentence using line break (CRLF) code.
Discard broken sentences verified with checksum.
Vue de la page 119
1 2 ... 115 116 117 118 119 120 121 122 123 124 125 ... 332 333

Commentaires sur ces manuels

Pas de commentaire