mbed USBHostMIDI improved. function pointer initialization and null checking
USBHostHub/USBHostHub.h
- Committer:
- kazbo
- Date:
- 2019-05-10
- Revision:
- 7:264794e7fed1
- Parent:
- 1:ab240722d7ef
File content as of revision 7:264794e7fed1:
/* mbed USBHost Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef USBHOSTHUB_H #define USBHOSTHUB_H #include "USBHostConf.h" #if MAX_HUB_NB #include "USBHostTypes.h" #include "IUSBEnumerator.h" class USBHost; class USBDeviceConnected; class USBEndpoint; /** * A class to use a USB Hub */ class USBHostHub : public IUSBEnumerator { public: /** * Constructor */ USBHostHub(); /** * Check if a USB Hub is connected * * @return true if a serial device is connected */ bool connected(); /** * Try to connect device * * @param dev device to connect * @return true if connection was successful */ bool connect(USBDeviceConnected * dev); /** * Automatically called by USBHost when a device * has been enumerated by usb_thread * * @param dev device connected */ void deviceConnected(USBDeviceConnected * dev); /** * Automatically called by USBHost when a device * has been disconnected from this hub * * @param dev device disconnected */ void deviceDisconnected(USBDeviceConnected * dev); /** * Rest a specific port * * @param port port number */ void portReset(uint8_t port); /* * Called by USBHost to set the instance of USBHost * * @param host host instance */ void setHost(USBHost * host); /** * Called by USBhost when a hub has been disconnected */ void hubDisconnected(); protected: //From IUSBEnumerator virtual void setVidPid(uint16_t vid, uint16_t pid); 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 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used private: USBHost * host; USBDeviceConnected * dev; bool dev_connected; USBEndpoint * int_in; uint8_t nb_port; uint8_t hub_characteristics; void rxHandler(); uint8_t buf[sizeof(HubDescriptor)]; int hub_intf; bool hub_device_found; void setPortFeature(uint32_t feature, uint8_t port); void clearPortFeature(uint32_t feature, uint8_t port); uint32_t getPortStatus(uint8_t port); USBDeviceConnected * device_children[MAX_HUB_PORT]; void init(); void disconnect(); }; #endif #endif