Marco Mayer / Mbed OS Queue

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mbed-os/features/unsupported/USBHost/USBHostHub/USBHostHub.h@0:6bf0743ece18, 2020-03-28 (annotated)

Committer:
demayer
Date:
Sat Mar 28 15:28:19 2020 +0000
Revision:
0:6bf0743ece18
IMU Thread with an event-queue running parallel to handle tasks like a 5 times blinking LED. Button with interrupt detected.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
demayer 0:6bf0743ece18 1 /* mbed USBHost Library
demayer 0:6bf0743ece18 2 * Copyright (c) 2006-2013 ARM Limited
demayer 0:6bf0743ece18 3 *
demayer 0:6bf0743ece18 4 * Licensed under the Apache License, Version 2.0 (the "License");
demayer 0:6bf0743ece18 5 * you may not use this file except in compliance with the License.
demayer 0:6bf0743ece18 6 * You may obtain a copy of the License at
demayer 0:6bf0743ece18 7 *
demayer 0:6bf0743ece18 8 * http://www.apache.org/licenses/LICENSE-2.0
demayer 0:6bf0743ece18 9 *
demayer 0:6bf0743ece18 10 * Unless required by applicable law or agreed to in writing, software
demayer 0:6bf0743ece18 11 * distributed under the License is distributed on an "AS IS" BASIS,
demayer 0:6bf0743ece18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
demayer 0:6bf0743ece18 13 * See the License for the specific language governing permissions and
demayer 0:6bf0743ece18 14 * limitations under the License.
demayer 0:6bf0743ece18 15 */
demayer 0:6bf0743ece18 16
demayer 0:6bf0743ece18 17 #ifndef USBHOSTHUB_H
demayer 0:6bf0743ece18 18 #define USBHOSTHUB_H
demayer 0:6bf0743ece18 19
demayer 0:6bf0743ece18 20 #include "USBHostConf.h"
demayer 0:6bf0743ece18 21
demayer 0:6bf0743ece18 22 #if MAX_HUB_NB
demayer 0:6bf0743ece18 23
demayer 0:6bf0743ece18 24 #include "USBHostTypes.h"
demayer 0:6bf0743ece18 25 #include "IUSBEnumerator.h"
demayer 0:6bf0743ece18 26
demayer 0:6bf0743ece18 27 class USBHost;
demayer 0:6bf0743ece18 28 class USBDeviceConnected;
demayer 0:6bf0743ece18 29 class USBEndpoint;
demayer 0:6bf0743ece18 30
demayer 0:6bf0743ece18 31 /**
demayer 0:6bf0743ece18 32 * A class to use a USB Hub
demayer 0:6bf0743ece18 33 */
demayer 0:6bf0743ece18 34 class USBHostHub : public IUSBEnumerator
demayer 0:6bf0743ece18 35 {
demayer 0:6bf0743ece18 36 public:
demayer 0:6bf0743ece18 37 /**
demayer 0:6bf0743ece18 38 * Constructor
demayer 0:6bf0743ece18 39 */
demayer 0:6bf0743ece18 40 USBHostHub();
demayer 0:6bf0743ece18 41
demayer 0:6bf0743ece18 42 /**
demayer 0:6bf0743ece18 43 * Check if a USB Hub is connected
demayer 0:6bf0743ece18 44 *
demayer 0:6bf0743ece18 45 * @return true if a serial device is connected
demayer 0:6bf0743ece18 46 */
demayer 0:6bf0743ece18 47 bool connected();
demayer 0:6bf0743ece18 48
demayer 0:6bf0743ece18 49 /**
demayer 0:6bf0743ece18 50 * Try to connect device
demayer 0:6bf0743ece18 51 *
demayer 0:6bf0743ece18 52 * @param dev device to connect
demayer 0:6bf0743ece18 53 * @return true if connection was successful
demayer 0:6bf0743ece18 54 */
demayer 0:6bf0743ece18 55 bool connect(USBDeviceConnected * dev);
demayer 0:6bf0743ece18 56
demayer 0:6bf0743ece18 57 /**
demayer 0:6bf0743ece18 58 * Automatically called by USBHost when a device
demayer 0:6bf0743ece18 59 * has been enumerated by usb_thread
demayer 0:6bf0743ece18 60 *
demayer 0:6bf0743ece18 61 * @param dev device connected
demayer 0:6bf0743ece18 62 */
demayer 0:6bf0743ece18 63 void deviceConnected(USBDeviceConnected * dev);
demayer 0:6bf0743ece18 64
demayer 0:6bf0743ece18 65 /**
demayer 0:6bf0743ece18 66 * Automatically called by USBHost when a device
demayer 0:6bf0743ece18 67 * has been disconnected from this hub
demayer 0:6bf0743ece18 68 *
demayer 0:6bf0743ece18 69 * @param dev device disconnected
demayer 0:6bf0743ece18 70 */
demayer 0:6bf0743ece18 71 void deviceDisconnected(USBDeviceConnected * dev);
demayer 0:6bf0743ece18 72
demayer 0:6bf0743ece18 73 /**
demayer 0:6bf0743ece18 74 * Rest a specific port
demayer 0:6bf0743ece18 75 *
demayer 0:6bf0743ece18 76 * @param port port number
demayer 0:6bf0743ece18 77 */
demayer 0:6bf0743ece18 78 void portReset(uint8_t port);
demayer 0:6bf0743ece18 79
demayer 0:6bf0743ece18 80 /*
demayer 0:6bf0743ece18 81 * Called by USBHost to set the instance of USBHost
demayer 0:6bf0743ece18 82 *
demayer 0:6bf0743ece18 83 * @param host host instance
demayer 0:6bf0743ece18 84 */
demayer 0:6bf0743ece18 85 void setHost(USBHost * host);
demayer 0:6bf0743ece18 86
demayer 0:6bf0743ece18 87 /**
demayer 0:6bf0743ece18 88 * Called by USBhost when a hub has been disconnected
demayer 0:6bf0743ece18 89 */
demayer 0:6bf0743ece18 90 void hubDisconnected();
demayer 0:6bf0743ece18 91
demayer 0:6bf0743ece18 92 protected:
demayer 0:6bf0743ece18 93 //From IUSBEnumerator
demayer 0:6bf0743ece18 94 virtual void setVidPid(uint16_t vid, uint16_t pid);
demayer 0:6bf0743ece18 95 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
demayer 0:6bf0743ece18 96 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
demayer 0:6bf0743ece18 97
demayer 0:6bf0743ece18 98 private:
demayer 0:6bf0743ece18 99 USBHost * host;
demayer 0:6bf0743ece18 100 USBDeviceConnected * dev;
demayer 0:6bf0743ece18 101 bool dev_connected;
demayer 0:6bf0743ece18 102 USBEndpoint * int_in;
demayer 0:6bf0743ece18 103 uint8_t nb_port;
demayer 0:6bf0743ece18 104 uint8_t hub_characteristics;
demayer 0:6bf0743ece18 105
demayer 0:6bf0743ece18 106 void rxHandler();
demayer 0:6bf0743ece18 107
demayer 0:6bf0743ece18 108 uint8_t buf[sizeof(HubDescriptor)];
demayer 0:6bf0743ece18 109
demayer 0:6bf0743ece18 110 int hub_intf;
demayer 0:6bf0743ece18 111 bool hub_device_found;
demayer 0:6bf0743ece18 112
demayer 0:6bf0743ece18 113 void setPortFeature(uint32_t feature, uint8_t port);
demayer 0:6bf0743ece18 114 void clearPortFeature(uint32_t feature, uint8_t port);
demayer 0:6bf0743ece18 115 uint32_t getPortStatus(uint8_t port);
demayer 0:6bf0743ece18 116
demayer 0:6bf0743ece18 117 USBDeviceConnected * device_children[MAX_HUB_PORT];
demayer 0:6bf0743ece18 118
demayer 0:6bf0743ece18 119 void init();
demayer 0:6bf0743ece18 120 void disconnect();
demayer 0:6bf0743ece18 121
demayer 0:6bf0743ece18 122 };
demayer 0:6bf0743ece18 123
demayer 0:6bf0743ece18 124 #endif
demayer 0:6bf0743ece18 125
demayer 0:6bf0743ece18 126 #endif