virtualmech / USBHostVM

V18.

Dependencies:   FATFileSystem mbed-rtos

Fork of USBHost by mbed official

USBHostHID/USBHostKeyboard.h@4:b320d68e98e7, 2013-03-12 (annotated)

Committer:
samux
Date:
Tue Mar 12 17:23:37 2013 +0000
Revision:
4:b320d68e98e7
Parent:
3:0f5c32575eb8
Child:
8:93da8ea2708b
bug fixes - support composite device

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:a554658735bf 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
mbed_official 0:a554658735bf 2 *
mbed_official 0:a554658735bf 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
mbed_official 0:a554658735bf 4 * and associated documentation files (the "Software"), to deal in the Software without
mbed_official 0:a554658735bf 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
mbed_official 0:a554658735bf 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
mbed_official 0:a554658735bf 7 * Software is furnished to do so, subject to the following conditions:
mbed_official 0:a554658735bf 8 *
mbed_official 0:a554658735bf 9 * The above copyright notice and this permission notice shall be included in all copies or
mbed_official 0:a554658735bf 10 * substantial portions of the Software.
mbed_official 0:a554658735bf 11 *
mbed_official 0:a554658735bf 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
mbed_official 0:a554658735bf 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
mbed_official 0:a554658735bf 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
mbed_official 0:a554658735bf 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:a554658735bf 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
mbed_official 0:a554658735bf 17 */
mbed_official 0:a554658735bf 18
mbed_official 0:a554658735bf 19 #ifndef USBHOSTKEYBOARD_H
mbed_official 0:a554658735bf 20 #define USBHOSTKEYBOARD_H
mbed_official 0:a554658735bf 21
mbed_official 0:a554658735bf 22 #include "USBHostConf.h"
mbed_official 0:a554658735bf 23
mbed_official 0:a554658735bf 24 #if USBHOST_KEYBOARD
mbed_official 0:a554658735bf 25
mbed_official 0:a554658735bf 26 #include "USBHost.h"
mbed_official 0:a554658735bf 27
samux 1:0a457e34fa9e 28 /**
samux 1:0a457e34fa9e 29 * A class to communicate a USB keyboard
samux 1:0a457e34fa9e 30 */
mbed_official 0:a554658735bf 31 class USBHostKeyboard : public IUSBEnumerator {
mbed_official 0:a554658735bf 32 public:
mbed_official 0:a554658735bf 33
mbed_official 0:a554658735bf 34 /**
mbed_official 0:a554658735bf 35 * Constructor
mbed_official 0:a554658735bf 36 */
mbed_official 0:a554658735bf 37 USBHostKeyboard();
mbed_official 0:a554658735bf 38
mbed_official 0:a554658735bf 39 /**
mbed_official 0:a554658735bf 40 * Try to connect a keyboard device
mbed_official 0:a554658735bf 41 *
samux 3:0f5c32575eb8 42 * @return true if connection was successful
mbed_official 0:a554658735bf 43 */
mbed_official 0:a554658735bf 44 bool connect();
mbed_official 0:a554658735bf 45
mbed_official 0:a554658735bf 46 /**
mbed_official 0:a554658735bf 47 * Check if a keyboard is connected
mbed_official 0:a554658735bf 48 *
mbed_official 0:a554658735bf 49 * @returns true if a keyboard is connected
mbed_official 0:a554658735bf 50 */
mbed_official 0:a554658735bf 51 bool connected();
mbed_official 0:a554658735bf 52
mbed_official 0:a554658735bf 53 /**
mbed_official 0:a554658735bf 54 * Attach a callback called when a keyboard event is received
mbed_official 0:a554658735bf 55 *
samux 2:5e8fdc541b98 56 * @param ptr function pointer
mbed_official 0:a554658735bf 57 */
mbed_official 0:a554658735bf 58 inline void attach(void (*ptr)(uint8_t key)) {
mbed_official 0:a554658735bf 59 if (ptr != NULL) {
mbed_official 0:a554658735bf 60 onKey = ptr;
mbed_official 0:a554658735bf 61 }
mbed_official 0:a554658735bf 62 }
mbed_official 0:a554658735bf 63
mbed_official 0:a554658735bf 64 /**
mbed_official 0:a554658735bf 65 * Attach a callback called when a keyboard event is received
mbed_official 0:a554658735bf 66 *
samux 2:5e8fdc541b98 67 * @param ptr function pointer
mbed_official 0:a554658735bf 68 */
mbed_official 0:a554658735bf 69 inline void attach(void (*ptr)(uint8_t keyCode, uint8_t modifier)) {
mbed_official 0:a554658735bf 70 if (ptr != NULL) {
mbed_official 0:a554658735bf 71 onKeyCode = ptr;
mbed_official 0:a554658735bf 72 }
mbed_official 0:a554658735bf 73 }
mbed_official 0:a554658735bf 74
mbed_official 0:a554658735bf 75 protected:
mbed_official 0:a554658735bf 76 //From IUSBEnumerator
mbed_official 0:a554658735bf 77 virtual void setVidPid(uint16_t vid, uint16_t pid);
mbed_official 0:a554658735bf 78 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
mbed_official 0:a554658735bf 79 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
mbed_official 0:a554658735bf 80
mbed_official 0:a554658735bf 81 private:
mbed_official 0:a554658735bf 82 USBHost * host;
mbed_official 0:a554658735bf 83 USBDeviceConnected * dev;
mbed_official 0:a554658735bf 84 USBEndpoint * int_in;
mbed_official 0:a554658735bf 85 uint8_t report[9];
mbed_official 0:a554658735bf 86 int keyboard_intf;
mbed_official 0:a554658735bf 87 bool keyboard_device_found;
mbed_official 0:a554658735bf 88
mbed_official 0:a554658735bf 89 bool dev_connected;
mbed_official 0:a554658735bf 90
mbed_official 0:a554658735bf 91 void rxHandler();
mbed_official 0:a554658735bf 92
mbed_official 0:a554658735bf 93 void (*onKey)(uint8_t key);
mbed_official 0:a554658735bf 94 void (*onKeyCode)(uint8_t key, uint8_t modifier);
mbed_official 0:a554658735bf 95
mbed_official 0:a554658735bf 96 int report_id;
mbed_official 0:a554658735bf 97
mbed_official 0:a554658735bf 98 void init();
mbed_official 0:a554658735bf 99
mbed_official 0:a554658735bf 100 };
mbed_official 0:a554658735bf 101
mbed_official 0:a554658735bf 102 #endif
mbed_official 0:a554658735bf 103
mbed_official 0:a554658735bf 104 #endif