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Commitd5ad836

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Move PluggableUSB out of core
The core need to defineEP_BUFFER_TYPE (eg: uint8_t uint32_tEP_BUFFER_NAME (eg: _initEndpoints)
1 parent48eb5d1 commitd5ad836

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2 files changed

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2 files changed

+193
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‎api/PluggableUSB.cpp‎

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/*
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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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#if defined(USBCON)
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#ifdef PLUGGABLE_USB_ENABLED
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extern _EP_BUFFER_TYPE _EP_BUFFER_NAME[];
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intPluggableUSB_::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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intPluggableUSB_::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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return0;
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}
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voidPluggableUSB_::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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boolPluggableUSB_::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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returntrue;
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}
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}
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returnfalse;
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}
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boolPluggableUSB_::plug(PluggableUSBModule *node)
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{
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if ((lastEp + node->numEndpoints) > USB_ENDPOINTS) {
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returnfalse;
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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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_EP_BUFFER_NAME[lastEp] = node->endpointType[i];
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lastEp++;
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}
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returntrue;
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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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}
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PluggableUSB_::PluggableUSB_() : lastIf(CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT),
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lastEp(CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT),
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rootNode(NULL)
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{
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// Empty
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}
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#endif
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#endif/* if defined(USBCON)*/

‎api/PluggableUSB.h‎

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/*
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PluggableUSB.h
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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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#ifndef PUSB_h
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#definePUSB_h
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#include"USBAPI.h"
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#include<stdint.h>
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// core need to define
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// EP_BUFFER_TYPE
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// EP_BUFFER_NAME
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#if defined(USBCON)
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classPluggableUSBModule {
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public:
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PluggableUSBModule(uint8_t numEps,uint8_t numIfs, EP_BUFFER_TYPE *epType) :
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numEndpoints(numEps), numInterfaces(numIfs), endpointType(epType)
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{ }
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protected:
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virtualboolsetup(USBSetup& setup) = 0;
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virtualintgetInterface(uint8_t* interfaceCount) = 0;
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virtualintgetDescriptor(USBSetup& setup) = 0;
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virtualuint8_tgetShortName(char *name) { name[0] ='A'+pluggedInterface;return1; }
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uint8_t pluggedInterface;
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uint8_t pluggedEndpoint;
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constuint8_t numEndpoints;
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constuint8_t numInterfaces;
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const EP_BUFFER_TYPE *endpointType;
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PluggableUSBModule *next =NULL;
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friendclassPluggableUSB_;
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};
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classPluggableUSB_ {
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public:
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PluggableUSB_();
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boolplug(PluggableUSBModule *node);
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intgetInterface(uint8_t* interfaceCount);
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intgetDescriptor(USBSetup& setup);
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boolsetup(USBSetup& setup);
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voidgetShortName(char *iSerialNum);
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private:
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uint8_t lastIf;
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uint8_t lastEp;
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PluggableUSBModule* rootNode;
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};
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// Replacement for global singleton.
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// This function prevents static-initialization-order-fiasco
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// https://isocpp.org/wiki/faq/ctors#static-init-order-on-first-use
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PluggableUSB_&PluggableUSB();
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#endif
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#endif

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