z ysaito / USBHost

2018.07.26

Dependencies:   FATFileSystem mbed-rtos

Fork of USBHost by mbed official

USBHostHub/USBHostHub.h@44:378c93c67439, 2018-07-26 (annotated)

Committer:
sayzyas
Date:
Thu Jul 26 00:25:24 2018 +0000
Revision:
44:378c93c67439
Parent:
43:52b15824a019 
https://os.mbed.com/users/sayzyas

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sayzyas 43:52b15824a019 1 /* mbed USBHost Library
sayzyas 43:52b15824a019 2 * Copyright (c) 2006-2013 ARM Limited
sayzyas 43:52b15824a019 3 *
sayzyas 43:52b15824a019 4 * Licensed under the Apache License, Version 2.0 (the "License");
sayzyas 43:52b15824a019 5 * you may not use this file except in compliance with the License.
sayzyas 43:52b15824a019 6 * You may obtain a copy of the License at
sayzyas 43:52b15824a019 7 *
sayzyas 43:52b15824a019 8 * http://www.apache.org/licenses/LICENSE-2.0
sayzyas 43:52b15824a019 9 *
sayzyas 43:52b15824a019 10 * Unless required by applicable law or agreed to in writing, software
sayzyas 43:52b15824a019 11 * distributed under the License is distributed on an "AS IS" BASIS,
sayzyas 43:52b15824a019 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sayzyas 43:52b15824a019 13 * See the License for the specific language governing permissions and
sayzyas 43:52b15824a019 14 * limitations under the License.
sayzyas 43:52b15824a019 15 */
sayzyas 43:52b15824a019 16
sayzyas 43:52b15824a019 17 #ifndef USBHOSTHUB_H
sayzyas 43:52b15824a019 18 #define USBHOSTHUB_H
sayzyas 43:52b15824a019 19
sayzyas 43:52b15824a019 20 #include "USBHostConf.h"
sayzyas 43:52b15824a019 21
sayzyas 43:52b15824a019 22 #if MAX_HUB_NB
sayzyas 43:52b15824a019 23
sayzyas 43:52b15824a019 24 #include "USBHostTypes.h"
sayzyas 43:52b15824a019 25 #include "IUSBEnumerator.h"
sayzyas 43:52b15824a019 26
sayzyas 43:52b15824a019 27 class USBHost;
sayzyas 43:52b15824a019 28 class USBDeviceConnected;
sayzyas 43:52b15824a019 29 class USBEndpoint;
sayzyas 43:52b15824a019 30
sayzyas 43:52b15824a019 31 /**
sayzyas 43:52b15824a019 32 * A class to use a USB Hub
sayzyas 43:52b15824a019 33 */
sayzyas 43:52b15824a019 34 class USBHostHub : public IUSBEnumerator {
sayzyas 43:52b15824a019 35 public:
sayzyas 43:52b15824a019 36 /**
sayzyas 43:52b15824a019 37 * Constructor
sayzyas 43:52b15824a019 38 */
sayzyas 43:52b15824a019 39 USBHostHub();
sayzyas 43:52b15824a019 40
sayzyas 43:52b15824a019 41 /**
sayzyas 43:52b15824a019 42 * Check if a USB Hub is connected
sayzyas 43:52b15824a019 43 *
sayzyas 43:52b15824a019 44 * @return true if a serial device is connected
sayzyas 43:52b15824a019 45 */
sayzyas 43:52b15824a019 46 bool connected();
sayzyas 43:52b15824a019 47
sayzyas 43:52b15824a019 48 /**
sayzyas 43:52b15824a019 49 * Try to connect device
sayzyas 43:52b15824a019 50 *
sayzyas 43:52b15824a019 51 * @param dev device to connect
sayzyas 43:52b15824a019 52 * @return true if connection was successful
sayzyas 43:52b15824a019 53 */
sayzyas 43:52b15824a019 54 bool connect(USBDeviceConnected * dev);
sayzyas 43:52b15824a019 55
sayzyas 43:52b15824a019 56 /**
sayzyas 43:52b15824a019 57 * Automatically called by USBHost when a device
sayzyas 43:52b15824a019 58 * has been enumerated by usb_thread
sayzyas 43:52b15824a019 59 *
sayzyas 43:52b15824a019 60 * @param dev device connected
sayzyas 43:52b15824a019 61 */
sayzyas 43:52b15824a019 62 void deviceConnected(USBDeviceConnected * dev);
sayzyas 43:52b15824a019 63
sayzyas 43:52b15824a019 64 /**
sayzyas 43:52b15824a019 65 * Automatically called by USBHost when a device
sayzyas 43:52b15824a019 66 * has been disconnected from this hub
sayzyas 43:52b15824a019 67 *
sayzyas 43:52b15824a019 68 * @param dev device disconnected
sayzyas 43:52b15824a019 69 */
sayzyas 43:52b15824a019 70 void deviceDisconnected(USBDeviceConnected * dev);
sayzyas 43:52b15824a019 71
sayzyas 43:52b15824a019 72 /**
sayzyas 43:52b15824a019 73 * Rest a specific port
sayzyas 43:52b15824a019 74 *
sayzyas 43:52b15824a019 75 * @param port port number
sayzyas 43:52b15824a019 76 */
sayzyas 43:52b15824a019 77 void portReset(uint8_t port);
sayzyas 43:52b15824a019 78
sayzyas 43:52b15824a019 79 /*
sayzyas 43:52b15824a019 80 * Called by USBHost to set the instance of USBHost
sayzyas 43:52b15824a019 81 *
sayzyas 43:52b15824a019 82 * @param host host instance
sayzyas 43:52b15824a019 83 */
sayzyas 43:52b15824a019 84 void setHost(USBHost * host);
sayzyas 43:52b15824a019 85
sayzyas 43:52b15824a019 86 /**
sayzyas 43:52b15824a019 87 * Called by USBhost when a hub has been disconnected
sayzyas 43:52b15824a019 88 */
sayzyas 43:52b15824a019 89 void hubDisconnected();
sayzyas 43:52b15824a019 90
sayzyas 43:52b15824a019 91 protected:
sayzyas 43:52b15824a019 92 //From IUSBEnumerator
sayzyas 43:52b15824a019 93 virtual void setVidPid(uint16_t vid, uint16_t pid);
sayzyas 43:52b15824a019 94 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
sayzyas 43:52b15824a019 95 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
sayzyas 43:52b15824a019 96
sayzyas 43:52b15824a019 97 private:
sayzyas 43:52b15824a019 98 USBHost * host;
sayzyas 43:52b15824a019 99 USBDeviceConnected * dev;
sayzyas 43:52b15824a019 100 bool dev_connected;
sayzyas 43:52b15824a019 101 USBEndpoint * int_in;
sayzyas 43:52b15824a019 102 uint8_t nb_port;
sayzyas 43:52b15824a019 103 uint8_t hub_characteristics;
sayzyas 43:52b15824a019 104
sayzyas 43:52b15824a019 105 void rxHandler();
sayzyas 43:52b15824a019 106
sayzyas 43:52b15824a019 107 uint8_t buf[sizeof(HubDescriptor)];
sayzyas 43:52b15824a019 108
sayzyas 43:52b15824a019 109 int hub_intf;
sayzyas 43:52b15824a019 110 bool hub_device_found;
sayzyas 43:52b15824a019 111
sayzyas 43:52b15824a019 112 void setPortFeature(uint32_t feature, uint8_t port);
sayzyas 43:52b15824a019 113 void clearPortFeature(uint32_t feature, uint8_t port);
sayzyas 43:52b15824a019 114 uint32_t getPortStatus(uint8_t port);
sayzyas 43:52b15824a019 115
sayzyas 43:52b15824a019 116 USBDeviceConnected * device_children[MAX_HUB_PORT];
sayzyas 43:52b15824a019 117
sayzyas 43:52b15824a019 118 void init();
sayzyas 43:52b15824a019 119 void disconnect();
sayzyas 43:52b15824a019 120
sayzyas 43:52b15824a019 121 };
sayzyas 43:52b15824a019 122
sayzyas 43:52b15824a019 123 #endif
sayzyas 43:52b15824a019 124
sayzyas 43:52b15824a019 125 #endif