Fork to support Mouse boot protocol and steam controllers.
Fork of USBHOST by
USBHostHID/USBHostMouse.cpp
- Committer:
- geekylou
- Date:
- 2017-08-19
- Revision:
- 8:e57ccb876952
- Parent:
- 7:cc595e523032
- Child:
- 11:ba29414a455e
File content as of revision 8:e57ccb876952:
/* 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) { { /* As this is done in a specific thread * this lock is taken to avoid to process the device * disconnect in usb process during the device registering */ USBHost::Lock Lock(host); 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); } } int ret=host->interruptRead(dev, int_in, report, len_listen, false); MBED_ASSERT((ret==USB_TYPE_OK) || (ret ==USB_TYPE_PROCESSING) || (ret == USB_TYPE_FREE)); if ((ret==USB_TYPE_OK) || (ret ==USB_TYPE_PROCESSING)) dev_connected = true; if (ret == USB_TYPE_FREE) dev_connected = false; return true; } } } init(); return false; } void USBHostMouse::rxHandler() { int len_listen = int_in->getLengthTransferred(); int buttons_t, x_t, y_t, z_t; /*{ int index; for (index=0;index < len_listen; index++) { printf("%2x ",report[index]); } if (index>0) printf(" %x:%x \r\n",dev->getVid(), dev->getPid()); }*/ // We really should be parsing the pid report but this is a good workaround // for my wireless mouse for now! if (dev->getVid() == 0x62a && dev->getPid() == 0x4101) { buttons_t = report[1] & 0x07; x_t = (((int)report[3] & 0xf) << 8) + (report[2]); y_t = (report[3] >> 4) + ((int)report[4] << 4); if (y_t & 0x800) y_t |= 0xf000; // Fix 4 highest bits of negative nos. if (x_t & 0x800) x_t |= 0xf000; z_t = report[5]; } else { buttons_t = report[0] & 0x07; x_t = report[1]; y_t = report[2]; z_t = report[3]; } if (len_listen !=0) { if (onUpdate) { (*onUpdate)(buttons_t, x_t, y_t, z_t); } if (onButtonUpdate && (buttons != (buttons_t))) { (*onButtonUpdate)(buttons_t); } if (onXUpdate && (x != x_t)) { (*onXUpdate)(x_t); } if (onYUpdate && (y != y_t)) { (*onYUpdate)(y_t); } if (onZUpdate && (z != z_t)) { (*onZUpdate)(z_t); } // update mouse state buttons = buttons_t; x = x_t; y = y_t; z = z_t; } /* set again the maximum value */ len_listen = int_in->getSize(); 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