2018.07.26
Dependencies: FATFileSystem3 mbed-rtos
Fork of USBHost by
USBHostHID/USBHostMouse.cpp
- Committer:
- samux
- Date:
- 2013-03-12
- Revision:
- 4:b320d68e98e7
- Parent:
- 0:a554658735bf
- Child:
- 5:e48791a1ef18
File content as of revision 4:b320d68e98e7:
/* Copyright (c) 2010-2011 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "USBHostMouse.h" #if USBHOST_MOUSE USBHostMouse::USBHostMouse() { host = USBHost::getHostInst(); init(); } void USBHostMouse::init() { dev = NULL; int_in = NULL; onUpdate = NULL; report_id = 0; dev_connected = false; mouse_device_found = false; mouse_intf = -1; } bool USBHostMouse::connected() { return dev_connected; } bool USBHostMouse::connect() { U8 i; if (dev_connected) { return true; } for (i = 0; i < MAX_DEVICE_CONNECTED; i++) { if ((dev = host->getDevice(i)) != NULL) { if(host->enumerate(dev, this)) break; if (mouse_device_found) { int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN); if (!int_in) break; USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf); dev->setName("Mouse", mouse_intf); host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init); int_in->attach(this, &USBHostMouse::rxHandler); host->interruptRead(dev, int_in, report, int_in->getSize(), false); dev_connected = true; return true; } } } init(); return false; } void USBHostMouse::rxHandler() { int len_listen = int_in->getSize(); int len = int_in->getLengthTransferred(); if (onUpdate) { (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]); } if (dev != NULL) host->interruptRead(dev, int_in, report, len_listen, false); } /*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid) { // we don't check VID/PID for mouse driver } /*virtual*/ bool USBHostMouse::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed { if ((mouse_intf == -1) && (intf_class == HID_CLASS) && (intf_subclass == 0x01) && (intf_protocol == 0x02)) { mouse_intf = intf_nb; return true; } return false; } /*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used { if (intf_nb == mouse_intf) { if (type == INTERRUPT_ENDPOINT && dir == IN) { mouse_device_found = true; return true; } } return false; } #endif