Delete libraries/ArduinoJoystickLibrary/src/DynamicHID.cpp
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/*
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Modified by Matthew Heironimus to support HID Report Descriptors to be in
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standard RAM in addition to program memory (PROGMEM).
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Copyright (c) 2015, Arduino LLC
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Original code (pre-library): Copyright (c) 2011, Peter Barrett
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Permission to use, copy, modify, and/or distribute this software for
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any purpose with or without fee is hereby granted, provided that the
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above copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
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BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
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OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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*/
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#include "DynamicHID.h"
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#if defined(USBCON)
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#ifdef _VARIANT_ARDUINO_DUE_X_
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#define USB_SendControl USBD_SendControl
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#define USB_Send USBD_Send
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#endif
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DynamicHID_& DynamicHID()
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{
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static DynamicHID_ obj;
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return obj;
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}
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int DynamicHID_::getInterface(uint8_t* interfaceCount)
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{
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*interfaceCount += 1; // uses 1
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DYNAMIC_HIDDescriptor hidInterface = {
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D_INTERFACE(pluggedInterface, 1, USB_DEVICE_CLASS_HUMAN_INTERFACE, DYNAMIC_HID_SUBCLASS_NONE, DYNAMIC_HID_PROTOCOL_NONE),
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D_HIDREPORT(descriptorSize),
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D_ENDPOINT(USB_ENDPOINT_IN(pluggedEndpoint), USB_ENDPOINT_TYPE_INTERRUPT, USB_EP_SIZE, 0x01)
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};
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return USB_SendControl(0, &hidInterface, sizeof(hidInterface));
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}
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int DynamicHID_::getDescriptor(USBSetup& setup)
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{
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// Check if this is a HID Class Descriptor request
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if (setup.bmRequestType != REQUEST_DEVICETOHOST_STANDARD_INTERFACE) { return 0; }
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if (setup.wValueH != DYNAMIC_HID_REPORT_DESCRIPTOR_TYPE) { return 0; }
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// In a HID Class Descriptor wIndex cointains the interface number
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if (setup.wIndex != pluggedInterface) { return 0; }
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int total = 0;
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DynamicHIDSubDescriptor* node;
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for (node = rootNode; node; node = node->next) {
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int res = USB_SendControl((node->inProgMem ? TRANSFER_PGM : 0), node->data, node->length);
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if (res == -1)
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return -1;
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total += res;
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}
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// Reset the protocol on reenumeration. Normally the host should not assume the state of the protocol
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// due to the USB specs, but Windows and Linux just assumes its in report mode.
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protocol = DYNAMIC_HID_REPORT_PROTOCOL;
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return total;
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}
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uint8_t DynamicHID_::getShortName(char *name)
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{
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name[0] = 'H';
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name[1] = 'I';
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name[2] = 'D';
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name[3] = 'A' + (descriptorSize & 0x0F);
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name[4] = 'A' + ((descriptorSize >> 4) & 0x0F);
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return 5;
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}
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void DynamicHID_::AppendDescriptor(DynamicHIDSubDescriptor *node)
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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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DynamicHIDSubDescriptor *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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descriptorSize += node->length;
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}
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int DynamicHID_::SendReport(uint8_t id, const void* data, int len)
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{
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uint8_t p[len + 1];
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p[0] = id;
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memcpy(&p[1], data, len);
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return USB_Send(pluggedEndpoint | TRANSFER_RELEASE, p, len + 1);
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}
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bool DynamicHID_::setup(USBSetup& setup)
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{
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if (pluggedInterface != setup.wIndex) {
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return false;
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}
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uint8_t request = setup.bRequest;
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uint8_t requestType = setup.bmRequestType;
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if (requestType == REQUEST_DEVICETOHOST_CLASS_INTERFACE)
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{
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if (request == DYNAMIC_HID_GET_REPORT) {
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// TODO: DYNAMIC_HID_GetReport();
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return true;
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}
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if (request == DYNAMIC_HID_GET_PROTOCOL) {
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// TODO: Send8(protocol);
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return true;
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}
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if (request == DYNAMIC_HID_GET_IDLE) {
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// TODO: Send8(idle);
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}
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}
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if (requestType == REQUEST_HOSTTODEVICE_CLASS_INTERFACE)
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{
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if (request == DYNAMIC_HID_SET_PROTOCOL) {
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// The USB Host tells us if we are in boot or report mode.
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// This only works with a real boot compatible device.
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protocol = setup.wValueL;
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return true;
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}
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if (request == DYNAMIC_HID_SET_IDLE) {
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idle = setup.wValueL;
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return true;
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}
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if (request == DYNAMIC_HID_SET_REPORT)
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{
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//uint8_t reportID = setup.wValueL;
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//uint16_t length = setup.wLength;
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//uint8_t data[length];
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// Make sure to not read more data than USB_EP_SIZE.
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// You can read multiple times through a loop.
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// The first byte (may!) contain the reportID on a multreport.
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//USB_RecvControl(data, length);
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}
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}
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return false;
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}
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DynamicHID_::DynamicHID_(void) : PluggableUSBModule(1, 1, epType),
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rootNode(NULL), descriptorSize(0),
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protocol(DYNAMIC_HID_REPORT_PROTOCOL), idle(1)
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{
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epType[0] = EP_TYPE_INTERRUPT_IN;
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PluggableUSB().plug(this);
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}
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int DynamicHID_::begin(void)
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{
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return 0;
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}
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#endif /* if defined(USBCON) */
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