void FTDI::EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *pep) {
ErrorMessage<uint8_t > (PSTR("Conf.Val"), conf);
ErrorMessage<uint8_t > (PSTR("Iface Num"), iface);
ErrorMessage<uint8_t > (PSTR("Alt.Set"), alt);
bConfNum = conf;
uint8_t index;
if ((pep->bmAttributes & 0x03) == 3 && (pep->bEndpointAddress & 0x80) == 0x80)
index = epInterruptInIndex;
else
if ((pep->bmAttributes & 0x02) == 2)
index = ((pep->bEndpointAddress & 0x80) == 0x80) ? epDataInIndex : epDataOutIndex;
else
return;
// Fill in the endpoint info structure
epInfo[index].epAddr = (pep->bEndpointAddress & 0x0F);
epInfo[index].maxPktSize = (uint8_t)pep->wMaxPacketSize;
epInfo[index].epAttribs = 0;
bNumEP++;
PrintEndpointDescriptor(pep);
}
/* Extracts interrupt-IN, bulk-IN, bulk-OUT endpoint information from config descriptor */
void BTD::EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *pep) {
//ErrorMessage<uint8_t>(PSTR("Conf.Val"),conf);
//ErrorMessage<uint8_t>(PSTR("Iface Num"),iface);
//ErrorMessage<uint8_t>(PSTR("Alt.Set"),alt);
if(alt) // wrong interface - by BT spec, no alt setting
return;
bConfNum = conf;
uint8_t index;
if ((pep->bmAttributes & 0x03) == 3 && (pep->bEndpointAddress & 0x80) == 0x80) // Interrupt In endpoint found
index = BTD_EVENT_PIPE;
else {
if ((pep->bmAttributes & 0x02) == 2) // bulk endpoint found
index = ((pep->bEndpointAddress & 0x80) == 0x80) ? BTD_DATAIN_PIPE : BTD_DATAOUT_PIPE;
else
return;
}
// Fill the rest of endpoint data structure
epInfo[index].epAddr = (pep->bEndpointAddress & 0x0F);
epInfo[index].maxPktSize = (uint8_t)pep->wMaxPacketSize;
#ifdef EXTRADEBUG
PrintEndpointDescriptor(pep);
#endif
if(pollInterval < pep->bInterval) // Set the polling interval as the largest polling interval obtained from endpoints
pollInterval = pep->bInterval;
bNumEP++;
}
void HIDUniversal::EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *pep)
{
// If the first configuration satisfies, the others are not concidered.
if (bNumEP > 1 && conf != bConfNum)
return;
ErrorMessage<uint8_t>(PSTR("\r\nConf.Val"), conf);
ErrorMessage<uint8_t>(PSTR("Iface Num"), iface);
ErrorMessage<uint8_t>(PSTR("Alt.Set"), alt);
bConfNum = conf;
uint8_t index = 0;
HIDInterface *piface = FindInterface(iface, alt, proto);
// Fill in interface structure in case of new interface
if (!piface)
{
piface = hidInterfaces + bNumIface;
piface->bmInterface = iface;
piface->bmAltSet = alt;
piface->bmProtocol = proto;
bNumIface ++;
}
if ((pep->bmAttributes & 0x03) == 3 && (pep->bEndpointAddress & 0x80) == 0x80)
{
USBTRACE("I8\r\n");
index = epInterruptInIndex;
}
else
{
USBTRACE("I0\r\n");
index = epInterruptOutIndex;
}
if (index)
{
USBTRACE2("Ind:", index);
// Fill in the endpoint info structure
epInfo[bNumEP].epAddr = (pep->bEndpointAddress & 0x0F);
epInfo[bNumEP].maxPktSize = (uint8_t)pep->wMaxPacketSize;
epInfo[bNumEP].epAttribs = 0;
// Fill in the endpoint index list
piface->epIndex[index] = bNumEP; //(pep->bEndpointAddress & 0x0F);
bNumEP ++;
}
PrintEndpointDescriptor(pep);
}
/* get and parse config descriptor */
void GLUCODUINO::parseConfigDescr( byte addr, byte conf )
{
uint8_t buf[ DESC_BUFF_SIZE ];
uint8_t* buf_ptr = buf;
byte rcode;
byte descr_length;
byte descr_type;
unsigned int total_length;
USB_ENDPOINT_DESCRIPTOR *epDesc;
boolean isMidi = false;
// get configuration descriptor (get descriptor size only)
rcode = pUsb->getConfDescr( addr, 0, 4, conf, buf );
if( rcode ){
return;
}
total_length = buf[2] | ((int)buf[3] << 8);
if( total_length > DESC_BUFF_SIZE ) { //check if total length is larger than buffer
total_length = DESC_BUFF_SIZE;
}
// get configuration descriptor (all)
rcode = pUsb->getConfDescr( addr, 0, total_length, conf, buf ); //get the whole descriptor
if( rcode ){
return;
}
//parsing descriptors
while( buf_ptr < buf + total_length ) {
descr_length = *( buf_ptr );
descr_type = *( buf_ptr + 1 );
switch( descr_type ) {
case USB_DESCRIPTOR_CONFIGURATION :
bConfNum = buf_ptr[5];
break;
case USB_DESCRIPTOR_INTERFACE :
if( buf_ptr[5] == USB_CLASS_AUDIO && buf_ptr[6] == USB_SUBCLASS_MIDISTREAMING ) { //p[5]; bInterfaceClass = 1(Audio), p[6]; bInterfaceSubClass = 3(MIDI Streaming)
isMidiFound = true; //MIDI device found.
isMidi = true;
}else{
#ifdef DEBUG
//Serial.print("No MIDI Device\n");
#endif
// buf_ptr += total_length + 1;
// bConfNum = 0;
isMidi = false;
}
break;
case USB_DESCRIPTOR_ENDPOINT :
epDesc = (USB_ENDPOINT_DESCRIPTOR *)buf_ptr;
if ((epDesc->bmAttributes & 0x02) == 2) {//bulk
uint8_t index;
if( isMidi )
index = ((epDesc->bEndpointAddress & 0x80) == 0x80) ? epDataInIndex : epDataOutIndex;
else
index = ((epDesc->bEndpointAddress & 0x80) == 0x80) ? epDataInIndexVSP : epDataOutIndexVSP;
epInfo[index].epAddr = (epDesc->bEndpointAddress & 0x0F);
epInfo[index].maxPktSize = (uint8_t)epDesc->wMaxPacketSize;
bNumEP ++;
#ifdef DEBUG
PrintEndpointDescriptor(epDesc);
#endif
}
break;
default:
break;
}//switch( descr_type
buf_ptr += descr_length; //advance buffer pointer
}//while( buf_ptr <=...
}