Efficient Fixed-Point Trigonometry For PIC16F

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  1. - 17th November 2007, 14:39 #7
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    ScaleRobotics
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    Actually, it is perfect!!!!
    They do something weird to signify the angle. For actual angle z, degrees = z * 90/256, or z/2.844444444444 = degrees. Output/1000 = the fractional result.

    Attached is part of their excel spread sheet showing inputs and outputs vs actuals.
    <img src="http://www.picbasic.co.uk/forum/attachment.php?attachmentid=2134&d=1195310172">
    Many thanks for your time,

    Walter
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    Last edited by ScaleRobotics; - 17th November 2007 at 15:17.
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