/* Copyright (c) 2015, Arduino LLC ** ** Original code (pre-library): Copyright (c) 2011, Peter Barrett ** ** Permission to use, copy, modify, and/or distribute this software for ** any purpose with or without fee is hereby granted, provided that the ** above copyright notice and this permission notice appear in all copies. ** ** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL ** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED ** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR ** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES ** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, ** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS ** SOFTWARE. */ #include "PluggableUSB.h" #include "HID.h" #if defined(USBCON) HID_ HID; static u8 HID_ENDPOINT_INT; //================================================================================ //================================================================================ // HID Interface static u8 HID_INTERFACE; HIDDescriptor _hidInterface; static HIDDescriptorListNode* rootNode = NULL; static uint16_t sizeof_hidReportDescriptor = 0; static uint8_t modules_count = 0; //================================================================================ //================================================================================ // Driver u8 _hid_protocol = 1; u8 _hid_idle = 1; int HID_GetInterface(u8* interfaceNum) { interfaceNum[0] += 1; // uses 1 _hidInterface = { D_INTERFACE(HID_INTERFACE,1,3,0,0), D_HIDREPORT(sizeof_hidReportDescriptor), D_ENDPOINT(USB_ENDPOINT_IN (HID_ENDPOINT_INT),USB_ENDPOINT_TYPE_INTERRUPT,USB_EP_SIZE,0x01) }; return USB_SendControl(0,&_hidInterface,sizeof(_hidInterface)); } int HID_GetDescriptor(int8_t t) { if (HID_REPORT_DESCRIPTOR_TYPE == t) { HIDDescriptorListNode* current = rootNode; int total = 0; while(current != NULL) { total += USB_SendControl(TRANSFER_PGM,current->data,current->length); current = current->next; } return total; } else { return 0; } } void HID_::AppendDescriptor(HIDDescriptorListNode *node) { if (modules_count == 0) { rootNode = node; } else { HIDDescriptorListNode *current = rootNode; while(current->next != NULL) { current = current->next; } current->next = node; } modules_count++; sizeof_hidReportDescriptor += (uint16_t)node->length; } void HID_::SendReport(u8 id, const void* data, int len) { USB_Send(HID_TX, &id, 1); USB_Send(HID_TX | TRANSFER_RELEASE,data,len); } bool HID_Setup(USBSetup& setup, u8 i) { if (HID_INTERFACE != i) { return false; } else { u8 r = setup.bRequest; u8 requestType = setup.bmRequestType; if (REQUEST_DEVICETOHOST_CLASS_INTERFACE == requestType) { if (HID_GET_REPORT == r) { //HID_GetReport(); return true; } if (HID_GET_PROTOCOL == r) { //Send8(_hid_protocol); // TODO return true; } } if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType) { if (HID_SET_PROTOCOL == r) { _hid_protocol = setup.wValueL; return true; } if (HID_SET_IDLE == r) { _hid_idle = setup.wValueL; return true; } } return false; } } HID_::HID_(void) { static uint8_t endpointType[1]; endpointType[0] = EP_TYPE_INTERRUPT_IN; static PUSBCallbacks cb = { .setup = &HID_Setup, .getInterface = &HID_GetInterface, .getDescriptor = &HID_GetDescriptor, .numEndpoints = 1, .numInterfaces = 1, .endpointType = endpointType, }; static PUSBListNode node(&cb); HID_ENDPOINT_INT = PUSB_AddFunction(&node, &HID_INTERFACE); } int HID_::begin(void) { } #endif /* if defined(USBCON) */