MyUSBHost library
Fork of USBHost by
USBHostHID/USBHostKeyboard.h
- Committer:
- samux
- Date:
- 2013-03-14
- Revision:
- 8:93da8ea2708b
- Parent:
- 4:b320d68e98e7
- Child:
- 24:868cbfe611a7
File content as of revision 8:93da8ea2708b:
/* 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 USBHOSTKEYBOARD_H #define USBHOSTKEYBOARD_H #include "USBHostConf.h" #if USBHOST_KEYBOARD #include "USBHost.h" /** * A class to communicate a USB keyboard */ class USBHostKeyboard : public IUSBEnumerator { public: /** * Constructor */ USBHostKeyboard(); /** * Try to connect a keyboard device * * @return true if connection was successful */ bool connect(); /** * Check if a keyboard is connected * * @returns true if a keyboard is connected */ bool connected(); /** * Attach a callback called when a keyboard event is received * * @param ptr function pointer */ inline void attach(void (*ptr)(uint8_t key)) { if (ptr != NULL) { onKey = ptr; } } /** * Attach a callback called when a keyboard event is received * * @param ptr function pointer */ inline void attach(void (*ptr)(uint8_t keyCode, uint8_t modifier)) { if (ptr != NULL) { onKeyCode = 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[9]; int keyboard_intf; bool keyboard_device_found; bool dev_connected; void rxHandler(); void (*onKey)(uint8_t key); void (*onKeyCode)(uint8_t key, uint8_t modifier); int report_id; void init(); }; #endif #endif