Mirror
/
ardupilot
mirror of https://github.com/ArduPilot/ardupilot
5
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

AP_Math: added speed/distance conversions

This commit is contained in:
Andrew Tridgell 2017-11-13 14:35:01 +11:00
parent 2ce7955614
commit 2480a62e55
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libraries/AP_Math/definitions.h
View File

@ -101,3 +101,9 @@ static const double WGS84_E = (sqrt(2 * WGS84_F - WGS84_F * WGS84_F));
#define AP_MSEC_PER_SEC 1000ULL
#define AP_SEC_PER_WEEK (7ULL * 86400ULL)
#define AP_MSEC_PER_WEEK (AP_SEC_PER_WEEK * AP_MSEC_PER_SEC)
// speed and distance conversions
#define KNOTS_TO_METERS_PER_SECOND 0.51444
#define FEET_TO_METERS 0.3048