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Merge pull request #3741 from elektronisk/patch-1

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OSD, adjust the heading angles where "compass bar" and "numerical heading" arrows change
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Martin Budden 2017-08-12 07:39:47 +01:00 • committed by GitHub
commit 7580b25d80
1 changed files with 4 additions and 2 deletions
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6
src/main/io/osd.c
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@ -223,8 +223,10 @@ static void osdFormatPID(char * buff, const char * label, const pid8_t * pid)
static uint8_t osdGetHeadingIntoDiscreteDirections(int heading, int directions) static uint8_t osdGetHeadingIntoDiscreteDirections(int heading, int directions)
{ {
heading = (heading + 360) % 360; // Split input heading 0..359 into sectors 0..(directions-1), but offset
heading = heading * 2 / (360 * 2 / directions); // by half a sector so that sector 0 gets centered around heading 0.
heading = (heading * 2 + 360 / directions) % 720;
heading = heading / (360 * 2 / directions);
return heading; return heading;
} }