1fe4406f37
b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk' 7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5 git-subtree-dir: tmk_core git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
140 lines
3.3 KiB
C++
140 lines
3.3 KiB
C++
/* mbed USBHost Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef USBHOSTMOUSE_H
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#define USBHOSTMOUSE_H
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#include "USBHostConf.h"
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#if USBHOST_MOUSE
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#include "USBHost.h"
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/**
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* A class to communicate a USB mouse
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*/
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class USBHostMouse : public IUSBEnumerator {
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public:
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/**
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* Constructor
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*/
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USBHostMouse();
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/**
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* Try to connect a mouse device
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*
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* @return true if connection was successful
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*/
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bool connect();
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/**
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* Check if a mouse is connected
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*
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* @returns true if a mouse is connected
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*/
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bool connected();
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/**
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* Attach a callback called when a mouse event is received
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*
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* @param ptr function pointer
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*/
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inline void attachEvent(void (*ptr)(uint8_t buttons, int8_t x, int8_t y, int8_t z)) {
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if (ptr != NULL) {
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onUpdate = ptr;
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}
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}
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/**
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* Attach a callback called when the button state changes
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*
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* @param ptr function pointer
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*/
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inline void attachButtonEvent(void (*ptr)(uint8_t buttons)) {
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if (ptr != NULL) {
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onButtonUpdate = ptr;
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}
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}
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/**
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* Attach a callback called when the X axis value changes
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*
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* @param ptr function pointer
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*/
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inline void attachXEvent(void (*ptr)(int8_t x)) {
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if (ptr != NULL) {
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onXUpdate = ptr;
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}
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}
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/**
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* Attach a callback called when the Y axis value changes
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*
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* @param ptr function pointer
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*/
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inline void attachYEvent(void (*ptr)(int8_t y)) {
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if (ptr != NULL) {
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onYUpdate = ptr;
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}
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}
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/**
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* Attach a callback called when the Z axis value changes (scrolling)
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*
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* @param ptr function pointer
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*/
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inline void attachZEvent(void (*ptr)(int8_t z)) {
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if (ptr != NULL) {
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onZUpdate = ptr;
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}
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}
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protected:
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//From IUSBEnumerator
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virtual void setVidPid(uint16_t vid, uint16_t pid);
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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
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virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
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private:
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USBHost * host;
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USBDeviceConnected * dev;
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USBEndpoint * int_in;
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uint8_t report[4];
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bool dev_connected;
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bool mouse_device_found;
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int mouse_intf;
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uint8_t buttons;
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int8_t x;
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int8_t y;
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int8_t z;
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void rxHandler();
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void (*onUpdate)(uint8_t buttons, int8_t x, int8_t y, int8_t z);
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void (*onButtonUpdate)(uint8_t buttons);
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void (*onXUpdate)(int8_t x);
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void (*onYUpdate)(int8_t y);
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void (*onZUpdate)(int8_t z);
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int report_id;
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void init();
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};
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#endif
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#endif
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