{

int sent = 0;

PluggableUSBModule* node;

for (node = rootNode; node; node = node->next) {

int res = node->getInterface(interfaceCount);

if (res < 0)

return -1;

sent += res;

}

return sent;

{

PluggableUSBModule* node;

for (node = rootNode; node; node = node->next) {

int ret = node->getDescriptor(setup);

// ret!=0 -> request has been processed

if (ret)

return ret;

}

return 0;

{

PluggableUSBModule* node;

for (node = rootNode; node; node = node->next) {

iSerialNum += node->getShortName(iSerialNum);

}

*iSerialNum = 0;

{

PluggableUSBModule* node;

for (node = rootNode; node; node = node->next) {

if (node->setup(setup)) {

return true;

}

}

return false;

{

if ((lastEp + node->numEndpoints) > totalEP) {

return false;

}

if (!rootNode) {

rootNode = node;

} else {

PluggableUSBModule *current = rootNode;

while (current->next) {

current = current->next;

}

current->next = node;

}

node->pluggedInterface = lastIf;

node->pluggedEndpoint = lastEp;

lastIf += node->numInterfaces;

for (uint8_t i = 0; i < node->numEndpoints; i++) {

*(unsigned int*)(epBuffer(lastEp)) = node->endpointType[i];

lastEp++;

}

return true;

// restart USB layer???