Yoshiro Iwasaki Iwasaki / USBHost

USBHost library

Dependencies:   FATFileSystem mbed-rtos

Fork of USBHost by mbed official

USBHostHub/USBHostHub.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) 2010-2012 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 USBHOSTHUB_H
mbed_official 0:a554658735bf 20 #define USBHOSTHUB_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 MAX_HUB_NB
mbed_official 0:a554658735bf 25
mbed_official 0:a554658735bf 26 #include "USBHostTypes.h"
mbed_official 0:a554658735bf 27 #include "IUSBEnumerator.h"
mbed_official 0:a554658735bf 28
mbed_official 0:a554658735bf 29 class USBHost;
mbed_official 0:a554658735bf 30 class USBDeviceConnected;
mbed_official 0:a554658735bf 31 class USBEndpoint;
mbed_official 0:a554658735bf 32
mbed_official 0:a554658735bf 33 /**
mbed_official 0:a554658735bf 34 * A class to use a USB Hub
mbed_official 0:a554658735bf 35 */
mbed_official 0:a554658735bf 36 class USBHostHub : public IUSBEnumerator {
mbed_official 0:a554658735bf 37 public:
mbed_official 0:a554658735bf 38 /**
mbed_official 0:a554658735bf 39 * Constructor
mbed_official 0:a554658735bf 40 */
mbed_official 0:a554658735bf 41 USBHostHub();
mbed_official 0:a554658735bf 42
mbed_official 0:a554658735bf 43 /**
mbed_official 0:a554658735bf 44 * Check if a USB Hub is connected
mbed_official 0:a554658735bf 45 *
mbed_official 0:a554658735bf 46 * @return true if a serial device is connected
mbed_official 0:a554658735bf 47 */
mbed_official 0:a554658735bf 48 bool connected();
mbed_official 0:a554658735bf 49
mbed_official 0:a554658735bf 50 /**
mbed_official 0:a554658735bf 51 * Try to connect device
mbed_official 0:a554658735bf 52 *
mbed_official 0:a554658735bf 53 * @param dev device to connect
mbed_official 0:a554658735bf 54 * @return true if connection was successful
mbed_official 0:a554658735bf 55 */
mbed_official 0:a554658735bf 56 bool connect(USBDeviceConnected * dev);
mbed_official 0:a554658735bf 57
mbed_official 0:a554658735bf 58 /**
mbed_official 0:a554658735bf 59 * Automatically called by USBHost when a device
mbed_official 0:a554658735bf 60 * has been enumerated by usb_thread
mbed_official 0:a554658735bf 61 *
mbed_official 0:a554658735bf 62 * @param dev device connected
mbed_official 0:a554658735bf 63 */
mbed_official 0:a554658735bf 64 void deviceConnected(USBDeviceConnected * dev);
mbed_official 0:a554658735bf 65
mbed_official 0:a554658735bf 66 /**
mbed_official 0:a554658735bf 67 * Automatically called by USBHost when a device
mbed_official 0:a554658735bf 68 * has been disconnected from this hub
mbed_official 0:a554658735bf 69 *
samux 3:0f5c32575eb8 70 * @param dev device disconnected
mbed_official 0:a554658735bf 71 */
mbed_official 0:a554658735bf 72 void deviceDisconnected(USBDeviceConnected * dev);
mbed_official 0:a554658735bf 73
mbed_official 0:a554658735bf 74 /**
mbed_official 0:a554658735bf 75 * Rest a specific port
mbed_official 0:a554658735bf 76 *
mbed_official 0:a554658735bf 77 * @param port port number
mbed_official 0:a554658735bf 78 */
mbed_official 0:a554658735bf 79 void portReset(uint8_t port);
mbed_official 0:a554658735bf 80
mbed_official 0:a554658735bf 81 /*
mbed_official 0:a554658735bf 82 * Called by USBHost to set the instance of USBHost
mbed_official 0:a554658735bf 83 *
mbed_official 0:a554658735bf 84 * @param host host instance
mbed_official 0:a554658735bf 85 */
mbed_official 0:a554658735bf 86 void setHost(USBHost * host);
mbed_official 0:a554658735bf 87
mbed_official 0:a554658735bf 88 /**
mbed_official 0:a554658735bf 89 * Called by USBhost when a hub has been disconnected
mbed_official 0:a554658735bf 90 */
mbed_official 0:a554658735bf 91 void hubDisconnected();
mbed_official 0:a554658735bf 92
mbed_official 0:a554658735bf 93 protected:
mbed_official 0:a554658735bf 94 //From IUSBEnumerator
mbed_official 0:a554658735bf 95 virtual void setVidPid(uint16_t vid, uint16_t pid);
mbed_official 0:a554658735bf 96 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 97 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 98
mbed_official 0:a554658735bf 99 private:
mbed_official 0:a554658735bf 100 USBHost * host;
mbed_official 0:a554658735bf 101 USBDeviceConnected * dev;
mbed_official 0:a554658735bf 102 bool dev_connected;
mbed_official 0:a554658735bf 103 USBEndpoint * int_in;
mbed_official 0:a554658735bf 104 uint8_t nb_port;
mbed_official 0:a554658735bf 105 uint8_t hub_characteristics;
mbed_official 0:a554658735bf 106
mbed_official 0:a554658735bf 107 void rxHandler();
mbed_official 0:a554658735bf 108
mbed_official 0:a554658735bf 109 uint8_t buf[sizeof(HubDescriptor)];
mbed_official 0:a554658735bf 110
mbed_official 0:a554658735bf 111 int hub_intf;
mbed_official 0:a554658735bf 112 bool hub_device_found;
mbed_official 0:a554658735bf 113
mbed_official 0:a554658735bf 114 void setPortFeature(uint32_t feature, uint8_t port);
mbed_official 0:a554658735bf 115 void clearPortFeature(uint32_t feature, uint8_t port);
mbed_official 0:a554658735bf 116 uint32_t getPortStatus(uint8_t port);
mbed_official 0:a554658735bf 117
mbed_official 0:a554658735bf 118 USBDeviceConnected * device_children[MAX_HUB_PORT];
mbed_official 0:a554658735bf 119
mbed_official 0:a554658735bf 120 void init();
mbed_official 0:a554658735bf 121 void disconnect();
mbed_official 0:a554658735bf 122
mbed_official 0:a554658735bf 123 };
mbed_official 0:a554658735bf 124
mbed_official 0:a554658735bf 125 #endif
mbed_official 0:a554658735bf 126
mbed_official 0:a554658735bf 127 #endif