HM55B Datasheet, PDF (25/25 Pages) List of Unclassifed Manufacturers – Compass Module

Source Code
LOW En
SHIFTOUT DinDout,clk,MSBFIRST,Report \ 4
SHIFTIN DinDout,clk,MSBPOST,StatusFlags\4 ' Get measurement status
LOOP UNTIL statusFlags = Ready
SHIFTIN DinDout,clk,MSBPOST, x(1) \3
' Get 11 signed x-axis bits
SHIFTIN DinDout,clk,MSBPOST, x(0)
SHIFTIN DinDout,clk,MSBPOST, y(1) \3
' Get 11 signed y-axis bits
SHIFTIN DinDout,clk,MSBPOST, y(0)
HIGH En
' Disable HM55B
RETURN
© Parallax, Inc. • Hitachi HM55B Compass Module (#29123) • 05/2005
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