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Diffstat (limited to 'tool/mbed/mbed-sdk/libraries/USBHost/USBHostHID/USBHostKeyboard.h')
-rw-r--r-- | tool/mbed/mbed-sdk/libraries/USBHost/USBHostHID/USBHostKeyboard.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/tool/mbed/mbed-sdk/libraries/USBHost/USBHostHID/USBHostKeyboard.h b/tool/mbed/mbed-sdk/libraries/USBHost/USBHostHID/USBHostKeyboard.h new file mode 100644 index 0000000000..93730061c5 --- /dev/null +++ b/tool/mbed/mbed-sdk/libraries/USBHost/USBHostHID/USBHostKeyboard.h @@ -0,0 +1,102 @@ +/* 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 |