readme.txt

FREESCALE MCF52XX eTPU控制三相电机的程序

This is release 2.1 of the QD API.
The user should refer to Application Note AN2842 "Using the Quadrature Decoder
(QD) eTPU Function" which is available from Freescale.
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Files included in this package:
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    qd\readme.txt           This file.
    qd\etpu_qd.c            Rev : 2.0 - The C code file for the QD API.
    qd\etpu_qd.h            Rev : 2.0 - The header file for the QD API.
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The following files are needed in order to compile and use the API code:
========================================================================

  From AN2958SW "Using DC Motor Control eTPU Function Set (set3)"
    etpu_set3\etpu_set3.h          - Image of eTPU set3 function code.
    etpu_set3\cpu\etpu_qd_auto.h   - QD function interface information.
or
  From AN....SW "Using AC Motor Control eTPU Function Set (set4)"
    etpu_set4\etpu_set4.h          - Image of eTPU set4 function code.
    etpu_set4\cpu\etpu_qd_auto.h   - QD function interface information.

  From AN2864SW "General C Functions for the eTPU."
    utils\etpu_util.c   - C code file for utility functions.
    utils\etpu_util.h   - header file for utility functions.
    utils\etpu_struc.h  - Register and bit field definitions for the eTPU.

  From AN2856SW "Using the MPC5554 header file"
    mpc5500\mpc5554.h  - Register and bit field definitions for MPC5554.
    mpc5500\typedefs.h - Defines all for data types.
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The following example of use is available:
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  AN2957 "BLDC Motor with Quadrature Encoder and Speed Closed Loop, driven by
         eTPU on MCF523x", 
         including application source code AN2957SW.

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All of the above files are available from the Freescale website.
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HISTORY
=======
2.0 - First release (31-Mar-05).
2.1 - Correction of comments - Info for eTPU GCT (20-Oct-05)