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*/

#include "SampleUSBMIDI.h"

// ^^^^^^^^^^^^^^^^^^ THINGS YOU MUST CUSTOMIZE ^^^^^^^^^^^^^^^^^^^^^^

// MAKE A NEW UUID FOR EVERY NEW DRIVER!

#define kFactoryUUID CFUUIDGetConstantUUIDWithBytes(NULL, 0x46, 0x72, 0x71, 0x33, 0xBF, 0x59, 0x11, 0xD5, 0x92, 0x7F, 0x00, 0x03, 0x93, 0x01, 0xA6, 0xE6)

// 46727133-BF59-11D5-927F-00039301A6E6

#define kTheInterfaceToUse  2

#define kMyVendorID         0

#define kMyProductID        0

#define kMyNumPorts         2       // might vary this by model

// __________________________________________________________________________________________________

// Implementation of the factory function for this type.

extern "C" void *NewSampleUSBMIDIDriver(CFAllocatorRef allocator, CFUUIDRef typeID);

extern "C" void *NewSampleUSBMIDIDriver(CFAllocatorRef allocator, CFUUIDRef typeID) 

{

    // If correct type is being requested, allocate an

    // instance of TestType and return the IUnknown interface.

    if (CFEqual(typeID, kMIDIDriverTypeID)) {

        SampleUSBMIDIDriver *result = new SampleUSBMIDIDriver;

        return result->Self();

    } else {

        // If the requested type is incorrect, return NULL.

        return NULL;

    }

}

// __________________________________________________________________________________________________

SampleUSBMIDIDriver::SampleUSBMIDIDriver() :

    USBVendorMIDIDriver(kFactoryUUID)

{

}

SampleUSBMIDIDriver::~SampleUSBMIDIDriver()

{

}

// __________________________________________________________________________________________________

bool        SampleUSBMIDIDriver::MatchDevice(   USBDevice *     inUSBDevice)

{

    const IOUSBDeviceDescriptor * devDesc = inUSBDevice->GetDeviceDescriptor();

    if (USBToHostWord(devDesc->idVendor) == kMyVendorID) {

        UInt16 devProduct = USBToHostWord(devDesc->idProduct);

        if (devProduct == kMyProductID)

            return true;

    }

    return false;

}

MIDIDeviceRef   SampleUSBMIDIDriver::CreateDevice(  USBDevice *     inUSBDevice,

                                                    USBInterface *  inUSBInterface)

{

    MIDIDeviceRef dev;

    MIDIEntityRef ent;

    //UInt16 devProduct = USBToHostWord(inUSBDevice->GetDeviceDescriptor()->idProduct);

    CFStringRef boxName = CFSTR("MyProductName");

    MIDIDeviceCreate(Self(),

        boxName,

        CFSTR("Acme"),  // manufacturer name

        boxName,

        &dev);

    // make entity for each port, with 1 source, 1 destination

    for (int port = 1; port <= kMyNumPorts; ++port) {

        char portname[64];

        if (kMyNumPorts > 1)

            sprintf(portname, "Port %d", port);

        else

            CFStringGetCString(boxName, portname, sizeof(portname), kCFStringEncodingMacRoman);

        CFStringRef str = CFStringCreateWithCString(NULL, portname, 0);

        MIDIDeviceAddEntity(dev, str, false, 1, 1, &ent);

        CFRelease(str);

    }

    return dev;

}

USBInterface *  SampleUSBMIDIDriver::CreateInterface(USBMIDIDevice *device)

{

    USBInterface *intf = device->mUSBDevice->FindInterface(kTheInterfaceToUse, 0);

    return intf;

}

void        SampleUSBMIDIDriver::StartInterface(USBMIDIDevice *usbmDev)

{

}

void        SampleUSBMIDIDriver::StopInterface(USBMIDIDevice *usbmDev)

{

}

void        SampleUSBMIDIDriver::HandleInput(USBMIDIDevice *usbmDev, MIDITimeStamp when, Byte *readBuf, ByteCount readBufSize)

{

    USBMIDIHandleInput(usbmDev, when, readBuf, readBufSize);

}

ByteCount   SampleUSBMIDIDriver::PrepareOutput(USBMIDIDevice *usbmDev, WriteQueue &writeQueue, 

                Byte *destBuf)

{

    int n = USBMIDIPrepareOutput(usbmDev, writeQueue, destBuf, usbmDev->mOutPipe.mMaxPacketSize);

    if (n < usbmDev->mOutPipe.mMaxPacketSize) {

        memset(destBuf + n, 0, usbmDev->mOutPipe.mMaxPacketSize - n);

    }

    return usbmDev->mOutPipe.mMaxPacketSize;

}