forked for unsupported target
Dependents: stm32-disco-example DISCO-F469NI_BD_SD_Card_Control
Fork of USBHOST by
Diff: USBHostHID/USBHostMouse.cpp
- Revision:
- 1:ab240722d7ef
- Child:
- 5:fc157e6bd5a5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostHID/USBHostMouse.cpp Wed Feb 15 10:49:44 2017 +0100 @@ -0,0 +1,153 @@ +/* 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