tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHost/USBDeviceConnected.h

   1 /* mbed USBHost Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef USBDEVICECONNECTED_H
  18 #define USBDEVICECONNECTED_H
  19
  20 #include "stdint.h"
  21 #include "USBEndpoint.h"
  22 #include "USBHostConf.h"
  23 #include "rtos.h"
  24
  25 class USBHostHub;
  26
  27 typedef struct {
  28     bool in_use;
  29     uint8_t nb_endpoint;
  30     uint8_t intf_class;
  31     uint8_t intf_subclass;
  32     uint8_t intf_protocol;
  33     USBEndpoint * ep[MAX_ENDPOINT_PER_INTERFACE];
  34     FunctionPointer detach;
  35     char name[10];
  36 } INTERFACE;
  37
  38 /**
  39 * USBDeviceConnected class
  40 */
  41 class USBDeviceConnected
  42 {
  43 public:
  44
  45     /**
  46     * Constructor
  47     */
  48     USBDeviceConnected();
  49
  50     /**
  51     * Attach an USBEndpoint to this device
  52     *
  53     * @param intf_nb interface number
  54     * @param ep pointeur on the USBEndpoint which will be attached
  55     * @returns true if successful, false otherwise
  56     */
  57     bool addEndpoint(uint8_t intf_nb, USBEndpoint * ep);
  58
  59     /**
  60     * Retrieve an USBEndpoint by its TYPE and DIRECTION
  61     *
  62     * @param intf_nb the interface on which to lookup the USBEndpoint
  63     * @param type type of the USBEndpoint looked for
  64     * @param dir direction of the USBEndpoint looked for
  65     * @param index the index of the USBEndpoint whitin the interface
  66     * @returns pointer on the USBEndpoint if found, NULL otherwise
  67     */
  68     USBEndpoint * getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index = 0);
  69
  70     /**
  71     * Retrieve an USBEndpoint by its index
  72     *
  73     * @param intf_nb interface number
  74     * @param index index of the USBEndpoint
  75     * @returns pointer on the USBEndpoint if found, NULL otherwise
  76     */
  77     USBEndpoint * getEndpoint(uint8_t intf_nb, uint8_t index);
  78
  79     /**
  80     * Add a new interface to this device
  81     *
  82     * @param intf_nb interface number
  83     * @param intf_class interface class
  84     * @param intf_subclass interface subclass
  85     * @param intf_protocol interface protocol
  86     * @returns true if successful, false otherwise
  87     */
  88     bool addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol);
  89
  90     /**
  91     * Get a specific interface
  92     *
  93     * @param index index of the interface to be fetched
  94     * @returns interface
  95     */
  96     INTERFACE * getInterface(uint8_t index);
  97
  98     /**
  99      *  Attach a member function to call when a the device has been disconnected
 100      *
 101      *  @param intf_nb interface number
 102      *  @param tptr pointer to the object to call the member function on
 103      *  @param mptr pointer to the member function to be called
 104      */
 105     template<typename T>
 106     inline void onDisconnect(uint8_t intf_nb, T* tptr, void (T::*mptr)(void)) {
 107         if ((mptr != NULL) && (tptr != NULL)) {
 108             intf[intf_nb].detach.attach(tptr, mptr);
 109         }
 110     }
 111
 112     /**
 113      * Attach a callback called when the device has been disconnected
 114      *
 115      *  @param intf_nb interface number
 116      *  @param fn function pointer
 117      */
 118     inline void onDisconnect(uint8_t intf_nb, void (*fn)(void)) {
 119         if (fn != NULL) {
 120             intf[intf_nb].detach.attach(fn);
 121         }
 122     }
 123
 124     /**
 125     * Disconnect the device by calling a callback function registered by a driver
 126     */
 127     void disconnect();
 128
 129     // setters
 130     void init(uint8_t hub, uint8_t port, bool lowSpeed);
 131     inline void setAddress(uint8_t addr_) { addr = addr_; };
 132     inline void setVid(uint16_t vid_) { vid = vid_; };
 133     inline void setPid(uint16_t pid_) { pid = pid_; };
 134     inline void setClass(uint8_t device_class_) { device_class = device_class_; };
 135     inline void setSubClass(uint8_t device_subclass_) { device_subclass = device_subclass_; };
 136     inline void setProtocol(uint8_t pr) { proto = pr; };
 137     inline void setSizeControlEndpoint(uint32_t size) { sizeControlEndpoint = size; };
 138     inline void activeAddress(bool active) { activeAddr = active; };
 139     inline void setEnumerated() { enumerated = true; };
 140     inline void setNbIntf(uint8_t nb_intf) {nb_interf = nb_intf; };
 141     inline void setHubParent(USBHostHub * hub) { hub_parent = hub; };
 142     inline void setName(const char * name_, uint8_t intf_nb) { strcpy(intf[intf_nb].name, name_); };
 143
 144     //getters
 145     inline uint8_t     getPort() { return port; };
 146     inline uint8_t     getHub() { return hub_nb; };
 147     inline uint8_t     getAddress() { return addr; };
 148     inline uint16_t    getVid() { return vid; };
 149     inline uint16_t    getPid() { return pid; };
 150     inline uint8_t     getClass() { return device_class; };
 151     inline uint8_t     getSubClass() { return device_subclass; };
 152     inline uint8_t     getProtocol() { return proto; };
 153     inline bool        getSpeed() { return speed; };
 154     inline uint32_t    getSizeControlEndpoint() { return sizeControlEndpoint; };
 155     inline bool        isActiveAddress() { return activeAddr; };
 156     inline bool        isEnumerated() { return enumerated; };
 157     inline USBHostHub * getHubParent() { return hub_parent; };
 158     inline uint8_t      getNbIntf() { return nb_interf; };
 159     inline const char * getName(uint8_t intf_nb) { return intf[intf_nb].name; };
 160
 161     // in case this device is a hub
 162     USBHostHub * hub;
 163
 164 private:
 165     USBHostHub * hub_parent;
 166
 167     INTERFACE intf[MAX_INTF];
 168     uint32_t sizeControlEndpoint;
 169     uint8_t hub_nb;
 170     uint8_t port;
 171     uint16_t vid;
 172     uint16_t pid;
 173     uint8_t addr;
 174     uint8_t device_class;
 175     uint8_t device_subclass;
 176     uint8_t proto;
 177     bool speed;
 178     volatile bool activeAddr;
 179     volatile bool enumerated;
 180     uint8_t nb_interf;
 181
 182     void init();
 183 };
 184
 185 #endif