2018.07.26
Dependencies: FATFileSystem3 mbed-rtos
Fork of USBHost by
Diff: USBHostHID/USBHostMouse.h
- Revision:
- 43:1675750cca08
diff -r 366a9be2060e -r 1675750cca08 USBHostHID/USBHostMouse.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostHID/USBHostMouse.h Thu Jul 26 00:20:32 2018 +0000 @@ -0,0 +1,139 @@ +/* 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. + */ + +#ifndef USBHOSTMOUSE_H +#define USBHOSTMOUSE_H + +#include "USBHostConf.h" + +#if USBHOST_MOUSE + +#include "USBHost.h" + +/** + * A class to communicate a USB mouse + */ +class USBHostMouse : public IUSBEnumerator { +public: + + /** + * Constructor + */ + USBHostMouse(); + + /** + * Try to connect a mouse device + * + * @return true if connection was successful + */ + bool connect(); + + /** + * Check if a mouse is connected + * + * @returns true if a mouse is connected + */ + bool connected(); + + /** + * Attach a callback called when a mouse event is received + * + * @param ptr function pointer + */ + inline void attachEvent(void (*ptr)(uint8_t buttons, int8_t x, int8_t y, int8_t z)) { + if (ptr != NULL) { + onUpdate = ptr; + } + } + + /** + * Attach a callback called when the button state changes + * + * @param ptr function pointer + */ + inline void attachButtonEvent(void (*ptr)(uint8_t buttons)) { + if (ptr != NULL) { + onButtonUpdate = ptr; + } + } + + /** + * Attach a callback called when the X axis value changes + * + * @param ptr function pointer + */ + inline void attachXEvent(void (*ptr)(int8_t x)) { + if (ptr != NULL) { + onXUpdate = ptr; + } + } + + /** + * Attach a callback called when the Y axis value changes + * + * @param ptr function pointer + */ + inline void attachYEvent(void (*ptr)(int8_t y)) { + if (ptr != NULL) { + onYUpdate = ptr; + } + } + + /** + * Attach a callback called when the Z axis value changes (scrolling) + * + * @param ptr function pointer + */ + inline void attachZEvent(void (*ptr)(int8_t z)) { + if (ptr != NULL) { + onZUpdate = ptr; + } + } + +protected: + //From IUSBEnumerator + virtual void setVidPid(uint16_t vid, uint16_t pid); + virtual bool 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 + virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used + +private: + USBHost * host; + USBDeviceConnected * dev; + USBEndpoint * int_in; + uint8_t report[4]; + + bool dev_connected; + bool mouse_device_found; + int mouse_intf; + + uint8_t buttons; + int8_t x; + int8_t y; + int8_t z; + + void rxHandler(); + void (*onUpdate)(uint8_t buttons, int8_t x, int8_t y, int8_t z); + void (*onButtonUpdate)(uint8_t buttons); + void (*onXUpdate)(int8_t x); + void (*onYUpdate)(int8_t y); + void (*onZUpdate)(int8_t z); + int report_id; + void init(); +}; + +#endif + +#endif