Earle F. Philhower, III
ab02801d76
Fixes #171 Under Windows, it is very hard to make a symlink and by default git won't make one to the Arduino API directory, causing annoying build errors. Avoid the issue by duplicating the ArduinoAPI directory explicitly and using CI to verify that there are no differences between the two.
101 lines
2.3 KiB
C++
101 lines
2.3 KiB
C++
/*
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PluggableUSB.cpp
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Copyright (c) 2015 Arduino LLC
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "USBAPI.h"
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#include "PluggableUSB.h"
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using namespace arduino;
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int PluggableUSB_::getInterface(uint8_t* interfaceCount)
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{
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int sent = 0;
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PluggableUSBModule* node;
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for (node = rootNode; node; node = node->next) {
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int res = node->getInterface(interfaceCount);
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if (res < 0)
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return -1;
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sent += res;
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}
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return sent;
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}
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int PluggableUSB_::getDescriptor(USBSetup& setup)
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{
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PluggableUSBModule* node;
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for (node = rootNode; node; node = node->next) {
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int ret = node->getDescriptor(setup);
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// ret!=0 -> request has been processed
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if (ret)
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return ret;
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}
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return 0;
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}
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void PluggableUSB_::getShortName(char *iSerialNum)
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{
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PluggableUSBModule* node;
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for (node = rootNode; node; node = node->next) {
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iSerialNum += node->getShortName(iSerialNum);
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}
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*iSerialNum = 0;
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}
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bool PluggableUSB_::setup(USBSetup& setup)
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{
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PluggableUSBModule* node;
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for (node = rootNode; node; node = node->next) {
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if (node->setup(setup)) {
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return true;
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}
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}
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return false;
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}
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bool PluggableUSB_::plug(PluggableUSBModule *node)
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{
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if ((lastEp + node->numEndpoints) > totalEP) {
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return false;
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}
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if (!rootNode) {
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rootNode = node;
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} else {
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PluggableUSBModule *current = rootNode;
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while (current->next) {
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current = current->next;
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}
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current->next = node;
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}
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node->pluggedInterface = lastIf;
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node->pluggedEndpoint = lastEp;
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lastIf += node->numInterfaces;
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for (uint8_t i = 0; i < node->numEndpoints; i++) {
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*(unsigned int*)(epBuffer(lastEp)) = node->endpointType[i];
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lastEp++;
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}
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return true;
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// restart USB layer???
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}
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PluggableUSB_& PluggableUSB()
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{
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static PluggableUSB_ obj;
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return obj;
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} |