history_wavedev.txt

WinCE5.0BSP for Renesas SH7770

    Copyright(C) Renesas Technology Corp. 2002-2005. All rights reserved.

    WaveDev driver for ITS-DS7 Ver.0.8.4

    CREATED   : 2002.09.26
    MODIFIED  : 2005.04.26
    AUTHOR    : Renesas Technology Corp.
    HARDWARE  : RENESAS ITS-DS7

    CONTENTS  :

    <Wavedev>
    +-- <COMMON>
    |   +-- MAKEFILE
    |   +-- SOURCES
    |   +-- WAVEINPDD.C
    |   +-- WAVEINPDD.H
    |   +-- WAVEOUTPDD.C
    |   +-- WAVEOUTPDD.H
    |   +-- WAVEPDD.C
    |   +-- WAVEPDD.H
    +-- <HAC>
    |   +-- HAC.C
    |   +-- HAC.DEF
    |   +-- HAC.H
    |   +-- MAKEFILE
    |   +-- SOURCES
    +-- <HSSI>
    |   +-- HSSI.C
    |   +-- HSSI.DEF
    |   +-- HSSI.H
    |   +-- MAKEFILE
    |   +-- SOURCES
    +-- DIRS
    +-- HISTORY_WAVEDEV.TXT (this file)

    NOTES     :
                This WaveDev driver is based on ITS-DS7 Source Kit Ver.1.0.2 for WCE4.2.
                The WaveDev driver of ITS-DS7 Source Kit Ver.1.0.2 for WCE4.2 is based on
                WaveDev driver for ITS-DS6 Source Kit Ver.2.2.0 for WCE4.1.

    HISTORY   :
                2003.06.20
                - Created release code.
                2003.12.05
                - Removed unused code. (WAVEINPDD.H, WAVEOUTPDD.H, HAC.C, HSSI.H, HSSI.C)
                - Revised stereo recording. (WAVEINPDD.C, HAC.C, HSSI.C)
                - Revised use recording and playback simultaneously. (HAC.C)
                - Added simultaneous use check of playback and recording. 
                  (WAVEINPDD.C, WAVEOUTPDD.C, HAC.C, HSSI.C, SOURCES)
                - Modified retry of AC97 setting. (HAC.C)
                - Revised CODEC and SSI register setting value. (HSSI.C, HSSI.H)
                - Deleted hardware volume. (HSSI.C)
                - Modified I2C read/write interface. (HSSI.C)
                - Revised SSI3 need SSI2's CLK. (HSSI.C)
               2004.03.03
                - Revised initialize RegQueryValueEx parameter.(WAVEPDD.C)
               2004.04.21
                - Revised simultaneous use check. If WAVE_FORMAT_QUERY flag  specified,
                  open flag leaks.(WAVEINPDD.C, WAVEOUTPDD.C)
               2004.06.15
                - Modified HSSI supported full duplex mode.(WAVEOUTPDD.C,HSSI.C)
               2004.09.01 : Ver.0.8.0
                - Created release code for WCE5.0.
                - Modified WaveInpdd.c,WaveOutpdd.c,WAVEPDD.C,hac.c,hac.h,hssi.c.
               2005.02.25 : Ver.0.8.1
                - Added wait for idle state after the transfer end.(HSSI.C)
                - Supported both left and right volume control.(HAC.C)
                - Supported hardware volume control.(HSSI.C)
                - Removed software volume control.(WAVEPDD.C,WAVEOUTPDD.C,HAC.C,HSSI,C)
               2005.03.04 : Ver.0.8.2
                - Modified PCM data size from 20bit to 16bit Packed TX DMA.(HAC.C)
                - Modified transfer processing of a audio buffer.(WAVEINPDD.C,WAVEOUTPDD.C,HAC.C,HSSI.C)
               2005.03.08 : Ver.0.8.3
                - Modified transfer processing of a audio buffer.(HSSI.C)
               2005.04.26 : Ver.0.8.4
               - Modified change of an environment variable name.
                 (COMMON\SOURCES, HAC\SOURCES, HSSI\SOURCES)
               - Modified PCM data size from 20bit to 16bit Packed RX DMA.(HAC.C,HAC.H)