DFRobot TEL0051 Manual page 30

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b u i l d _ g g a _ p ( ) ; / / b u i l d * g g a _ p [ ] b y g p s _ b u f
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g p s _ g g a _ s e t _ s t r ( ) ;
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i f ( c h e c k s u m _ g g a ( ) = = 0 )
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e l s e
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} e l s e
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s t a t = 2 ;
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} e l s e
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s t a t = 3 ;
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r e t u r n s t a t ;
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}
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/ / g e t U T C s e c o n d
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u i n t 8 _ t g p s _ g g a _ u t c _ s s ( ) {
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r e t u r n ( g g a _ p [ 1 ] [ 4 ] - ' 0 ' ) * 1 0 + g g a _ p [ 1 ] [ 5 ] - ' 0 ' ;
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}
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/ / g e t U T C m i n u t e
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u i n t 8 _ t g p s _ g g a _ u t c _ m m ( ) {
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r e t u r n ( g g a _ p [ 1 ] [ 2 ] - ' 0 ' ) * 1 0 + g g a _ p [ 1 ] [ 3 ] - ' 0 ' ;
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}
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/ / g e t U T C h o u r
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u i n t 8 _ t g p s _ g g a _ u t c _ h h ( ) {
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r e t u r n ( g g a _ p [ 1 ] [ 0 ] - ' 0 ' ) * 1 0 + g g a _ p [ 1 ] [ 1 ] - ' 0 ' ;
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}
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/ / r e t u r n U T C T i m e s t r i n g , h h m m s s
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c h a r * g p s _ g g a _ u t c _ s ( ) {
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r e t u r n ( c h a r * ) g g a _ p [ 1 ] ;
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}
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/ / g e t l a t i t u d e
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d o u b l e g p s _ g g a _ l a t ( ) {
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r e t u r n a t o f ( ( c h a r * ) g g a _ p [ 2 ] ) ;
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}
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/ / g e t l a t i t u d e
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c h a r * g p s _ g g a _ l a t _ s ( ) {
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r e t u r n ( c h a r * ) g g a _ p [ 2 ] ;
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}
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s t a t = 0 ;
s t a t = 1 ;