2018.07.26
Dependencies: FATFileSystem3 mbed-rtos
Fork of USBHost by
USBHostHID/USBHostMouse.cpp
- Committer:
- mbed_official
- Date:
- 2015-01-19
- Revision:
- 27:4206883f4cb7
- Parent:
- 24:868cbfe611a7
- Child:
- 32:e6717a485577
File content as of revision 27:4206883f4cb7:
/* mbed USBHost Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "USBHostMouse.h" #if USBHOST_MOUSE USBHostMouse::USBHostMouse() { host = USBHost::getHostInst(); init(); } void USBHostMouse::init() { dev = NULL; int_in = NULL; onUpdate = NULL; onButtonUpdate = NULL; onXUpdate = NULL; onYUpdate = NULL; onZUpdate = NULL; report_id = 0; dev_connected = false; mouse_device_found = false; mouse_intf = -1; buttons = 0; x = 0; y = 0; z = 0; } bool USBHostMouse::connected() { return dev_connected; } bool USBHostMouse::connect() { int len_listen; if (dev_connected) { return true; } for (uint8_t 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); len_listen = int_in->getSize(); if (len_listen > sizeof(report)) { len_listen = sizeof(report); } host->interruptRead(dev, int_in, report, len_listen, false); dev_connected = true; return true; } } } init(); return false; } void USBHostMouse::rxHandler() { int len_listen = int_in->getSize(); if (onUpdate) { (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]); } if (onButtonUpdate && (buttons != (report[0] & 0x07))) { (*onButtonUpdate)(report[0] & 0x07); } if (onXUpdate && (x != report[1])) { (*onXUpdate)(report[1]); } if (onYUpdate && (y != report[2])) { (*onYUpdate)(report[2]); } if (onZUpdate && (z != report[3])) { (*onZUpdate)(report[3]); } // update mouse state buttons = report[0] & 0x07; x = report[1]; y = report[2]; z = report[3]; if (len_listen > sizeof(report)) { len_listen = sizeof(report); } if (dev) 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