dispaud.c

可以使用VC编译的USB view源码。对usb调试有指导意义

    if (ITDesc->bLength != sizeof(USB_AUDIO_INPUT_TERMINAL_DESCRIPTOR))
    {
        OOPS();
        return FALSE;
    }

    AppendTextBuffer("\r\nAudio Control Input Terminal Descriptor:\r\n");

    AppendTextBuffer("bLength:              0x%02X\r\n",
                     ITDesc->bLength);

    AppendTextBuffer("bDescriptorType:      0x%02X\r\n",
                     ITDesc->bDescriptorType);

    AppendTextBuffer("bDescriptorSubtype:   0x%02X\r\n",
                     ITDesc->bDescriptorSubtype);

    AppendTextBuffer("bTerminalID:          0x%02X\r\n",
                     ITDesc->bTerminalID);

    AppendTextBuffer("wTerminalType:      0x%04X",
                     ITDesc->wTerminalType);

    pStr = TermTypeCodeToName(ITDesc->wTerminalType);

    if (pStr)
    {
        AppendTextBuffer(" (%s)\r\n",
                         pStr);
    }
    else
    {
        AppendTextBuffer("\r\n");
    }

    AppendTextBuffer("bAssocTerminal:       0x%02X\r\n",
                     ITDesc->bAssocTerminal);

    AppendTextBuffer("bNrChannels:          0x%02X\r\n",
                     ITDesc->bNrChannels);

    AppendTextBuffer("wChannelConfig:     0x%04X\r\n",
                     ITDesc->wChannelConfig);

    AppendTextBuffer("iChannelNames:        0x%02X\r\n",
                     ITDesc->iChannelNames);

    AppendTextBuffer("iTerminal:            0x%02X\r\n",
                     ITDesc->iTerminal);


    return TRUE;
}


//*****************************************************************************
//
// DisplayACOutputTerminal()
//
//*****************************************************************************

BOOL
DisplayACOutputTerminal (
    PUSB_AUDIO_OUTPUT_TERMINAL_DESCRIPTOR OTDesc
)
{
    PCHAR pStr;

    if (OTDesc->bLength != sizeof(USB_AUDIO_OUTPUT_TERMINAL_DESCRIPTOR))
    {
        OOPS();
        return FALSE;
    }

    AppendTextBuffer("\r\nAudio Control Output Terminal Descriptor:\r\n");

    AppendTextBuffer("bLength:              0x%02X\r\n",
                     OTDesc->bLength);

    AppendTextBuffer("bDescriptorType:      0x%02X\r\n",
                     OTDesc->bDescriptorType);

    AppendTextBuffer("bDescriptorSubtype:   0x%02X\r\n",
                     OTDesc->bDescriptorSubtype);

    AppendTextBuffer("bTerminalID:          0x%02X\r\n",
                     OTDesc->bTerminalID);

    AppendTextBuffer("wTerminalType:      0x%04X",
                     OTDesc->wTerminalType);

    pStr = TermTypeCodeToName(OTDesc->wTerminalType);

    if (pStr)
    {
        AppendTextBuffer(" (%s)\r\n",
                         pStr);
    }
    else
    {
        AppendTextBuffer("\r\n");
    }

    AppendTextBuffer("bAssocTerminal:       0x%02X\r\n",
                     OTDesc->bAssocTerminal);

    AppendTextBuffer("bSoruceID:            0x%02X\r\n",
                     OTDesc->bSoruceID);

    AppendTextBuffer("iTerminal:            0x%02X\r\n",
                     OTDesc->iTerminal);


    return TRUE;
}


//*****************************************************************************
//
// DisplayACMixerUnit()
//
//*****************************************************************************

BOOL
DisplayACMixerUnit (
    PUSB_AUDIO_MIXER_UNIT_DESCRIPTOR MixerDesc
)
{
    UCHAR  i;
    PUCHAR data;

    if (MixerDesc->bLength < 10)
    {
        OOPS();
        return FALSE;
    }

    AppendTextBuffer("\r\nAudio Control Mixer Unit Descriptor:\r\n");

    AppendTextBuffer("bLength:              0x%02X\r\n",
                     MixerDesc->bLength);

    AppendTextBuffer("bDescriptorType:      0x%02X\r\n",
                     MixerDesc->bDescriptorType);

    AppendTextBuffer("bDescriptorSubtype:   0x%02X\r\n",
                     MixerDesc->bDescriptorSubtype);

    AppendTextBuffer("bUnitID:              0x%02X\r\n",
                     MixerDesc->bUnitID);

    AppendTextBuffer("bNrInPins:            0x%02X\r\n",
                     MixerDesc->bNrInPins);

    for (i=0; i<MixerDesc->bNrInPins; i++)
    {
        AppendTextBuffer("baSourceID[%d]:        0x%02X\r\n",
                        i+1,
                        MixerDesc->baSourceID[i]);
    }

    data = &MixerDesc->baSourceID[MixerDesc->bNrInPins];

    AppendTextBuffer("bNrChannels:          0x%02X\r\n",
                     *data++);

    AppendTextBuffer("wChannelConfig:     0x%04X\r\n",
                     *((PUSHORT)data)++);

    AppendTextBuffer("iChannelNames:        0x%02X\r\n",
                     *data++);

    AppendTextBuffer("bmControls:\r\n");

    i = MixerDesc->bLength - 10 - MixerDesc->bNrInPins;

    DisplayBytes(data, i);

    data += i;

    AppendTextBuffer("iMixer:               0x%02X\r\n",
                     *data);

    return TRUE;
}


//*****************************************************************************
//
// DisplayACSelectorUnit()
//
//*****************************************************************************

BOOL
DisplayACSelectorUnit (
    PUSB_AUDIO_SELECTOR_UNIT_DESCRIPTOR SelectorDesc
)
{
    UCHAR  i;
    PUCHAR data;

    if (SelectorDesc->bLength < 6)
    {
        OOPS();
        return FALSE;
    }

    AppendTextBuffer("\r\nAudio Control Selector Unit Descriptor:\r\n");

    AppendTextBuffer("bLength:              0x%02X\r\n",
                     SelectorDesc->bLength);

    AppendTextBuffer("bDescriptorType:      0x%02X\r\n",
                     SelectorDesc->bDescriptorType);

    AppendTextBuffer("bDescriptorSubtype:   0x%02X\r\n",
                     SelectorDesc->bDescriptorSubtype);

    AppendTextBuffer("bUnitID:              0x%02X\r\n",
                     SelectorDesc->bUnitID);

    AppendTextBuffer("bNrInPins:            0x%02X\r\n",
                     SelectorDesc->bNrInPins);

    for (i=0; i<SelectorDesc->bNrInPins; i++)
    {
        AppendTextBuffer("baSourceID[%d]:        0x%02X\r\n",
                        i+1,
                        SelectorDesc->baSourceID[i]);
    }

    data = &SelectorDesc->baSourceID[SelectorDesc->bNrInPins];

    AppendTextBuffer("iSelector:            0x%02X\r\n",
                     *data);

    return TRUE;
}


//*****************************************************************************
//
// DisplayACFeatureUnit()
//
//*****************************************************************************

BOOL
DisplayACFeatureUnit (
    PUSB_AUDIO_FEATURE_UNIT_DESCRIPTOR FeatureDesc
)
{
    UCHAR  i, n, ch;
    PUCHAR data;

    if (FeatureDesc->bLength < 7)
    {
        OOPS();
        return FALSE;
    }

    n = FeatureDesc->bControlSize;

    ch = ((FeatureDesc->bLength - 7) / n) - 1;

    if (FeatureDesc->bLength != (7 + (ch + 1) * n))
    {
        OOPS();
        return FALSE;
    }

    AppendTextBuffer("\r\nAudio Control Feature Unit Descriptor:\r\n");

    AppendTextBuffer("bLength:              0x%02X\r\n",
                     FeatureDesc->bLength);

    AppendTextBuffer("bDescriptorType:      0x%02X\r\n",
                     FeatureDesc->bDescriptorType);

    AppendTextBuffer("bDescriptorSubtype:   0x%02X\r\n",
                     FeatureDesc->bDescriptorSubtype);

    AppendTextBuffer("bUnitID:              0x%02X\r\n",
                     FeatureDesc->bUnitID);

    AppendTextBuffer("bSourceID:            0x%02X\r\n",
                     FeatureDesc->bSourceID);

    AppendTextBuffer("bControlSize:         0x%02X\r\n",
                     FeatureDesc->bControlSize);

    data = &FeatureDesc->bmaControls[0];

    for (i=0; i<=ch; i++)
    {
        AppendTextBuffer("bmaControls[%d]:\r\n",
                         i);

        DisplayBytes(data, n);

        data += n;
    }

    AppendTextBuffer("iFeature:             0x%02X\r\n",
                     *data);

    return TRUE;
}


//*****************************************************************************
//
// DisplayACProcessingUnit()
//
//*****************************************************************************

BOOL
DisplayACProcessingUnit (
    PUSB_AUDIO_PROCESSING_UNIT_DESCRIPTOR ProcessingDesc
)
{
    UCHAR  i;
    PUCHAR data;

    if (ProcessingDesc->bLength < sizeof(USB_AUDIO_PROCESSING_UNIT_DESCRIPTOR))
    {
        OOPS();
        return FALSE;
    }

    AppendTextBuffer("\r\nAudio Control Processing Unit Descriptor:\r\n");

    AppendTextBuffer("bLength:              0x%02X\r\n",
                     ProcessingDesc->bLength);

    AppendTextBuffer("bDescriptorType:      0x%02X\r\n",
                     ProcessingDesc->bDescriptorType);

    AppendTextBuffer("bDescriptorSubtype:   0x%02X\r\n",
                     ProcessingDesc->bDescriptorSubtype);

    AppendTextBuffer("bUnitID:              0x%02X\r\n",
                     ProcessingDesc->bUnitID);

    AppendTextBuffer("wProcessType:       0x%04X",
                     ProcessingDesc->wProcessType);

    switch (ProcessingDesc->wProcessType)
    {
        case USB_AUDIO_PROCESS_UNDEFINED:
            AppendTextBuffer("(Undefined Process)\r\n");
            break;

        case USB_AUDIO_PROCESS_UPDOWNMIX:
            AppendTextBuffer("(Up / Down Mix Process)\r\n");
            break;

        case USB_AUDIO_PROCESS_DOLBYPROLOGIC:
            AppendTextBuffer("(Dolby Prologic Process)\r\n");
            break;

        case USB_AUDIO_PROCESS_3DSTEREOEXTENDER:
            AppendTextBuffer("(3D-Stereo Extender Process)\r\n");
            break;

        case USB_AUDIO_PROCESS_REVERBERATION:
            AppendTextBuffer("(Reverberation Process)\r\n");
            break;

        case USB_AUDIO_PROCESS_CHORUS:
            AppendTextBuffer("(Chorus Process)\r\n");
            break;

        case USB_AUDIO_PROCESS_DYNRANGECOMP:
            AppendTextBuffer("(Dynamic Range Compressor Process)\r\n");
            break;

        default:
            AppendTextBuffer("\r\n");
            break;
    }

    AppendTextBuffer("bNrInPins:            0x%02X\r\n",
                     ProcessingDesc->bNrInPins);

    for (i=0; i<ProcessingDesc->bNrInPins; i++)
    {
        AppendTextBuffer("baSourceID[%d]:        0x%02X\r\n",
                        i+1,
                        ProcessingDesc->baSourceID[i]);
    }

    data = &ProcessingDesc->baSourceID[ProcessingDesc->bNrInPins];

    AppendTextBuffer("bNrChannels:          0x%02X\r\n",
                     *data++);

    AppendTextBuffer("wChannelConfig:     0x%04X\r\n",
                     *((PUSHORT)data)++);

    AppendTextBuffer("iChannelNames:        0x%02X\r\n",
                     *data++);

    i = *data++;

    AppendTextBuffer("bControlSize:         0x%02X\r\n",
                     i);

    AppendTextBuffer("bmControls:\r\n");

    DisplayBytes(data, i);

    data += i;

    AppendTextBuffer("iProcessing:          0x%02X\r\n",
                     *data++);