Embedded ip soft core based on plb bus for calculation of rotation angle and calculation method of rotation angle
A rotational angle, embedded technology, applied in computing, instrumentation, electrical digital data processing and other directions, can solve the problems of not being directly connected to the bus, occupying FPGA logic resources, lack of FPGA logic resources, etc., to improve portability, The effect of improving calculation accuracy and calculation accuracy
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[0029] The content of the present invention will be described in detail below in conjunction with the drawings:
[0030] The invention uses the PLB bus-based embedded IP soft core for rotation angle calculation: the rotation angle calculation adopts a feedback pipeline structure, that is, a "true" pipeline structure that feedbacks first and then pipelines, and combines single-precision floating-point sine and cosine values. The value is converted into a single-precision floating-point angle value, and is connected to the on-chip processor through the on-chip bus PLB.
[0031] The specific functions of the PLB bus-based embedded IP soft core used for rotation angle calculation include: PLB bus access function, configurable number of iterations, rotation angle calculation function, and calculation result cache readback function.
[0032] The present invention is an embedded IP soft core based on PLB bus used for rotation angle calculation, mainly composed of 21 basic modules, specifica...
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