2018.07.26
Dependencies: FATFileSystem2 mbed-rtos
Fork of USBHost by
USBHost/USBDeviceConnected.cpp
- Committer:
- samux
- Date:
- 2013-03-12
- Revision:
- 4:b320d68e98e7
- Parent:
- 0:a554658735bf
- Child:
- 8:93da8ea2708b
File content as of revision 4:b320d68e98e7:
/* Copyright (c) 2010-2012 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "USBDeviceConnected.h" #include "dbg.h" USBDeviceConnected::USBDeviceConnected() { init(); } void USBDeviceConnected::init() { hub_nb = 0; port = 0; vid = 0; pid = 0; nb_interf = 0; enumerated = false; activeAddr = false; sizeControlEndpoint = 8; device_class = 0; device_subclass = 0; proto = 0; speed = false; for (int i = 0; i < MAX_INTF; i++) { memset((void *)&intf[i], 0, sizeof(INTERFACE)); intf[i].in_use = false; for (int j = 0; j < MAX_ENDPOINT_PER_INTERFACE; j++) { intf[i].ep[j] = NULL; strcpy(intf[i].name, "Unknown"); } } hub_parent = NULL; hub = NULL; nb_interf = 0; } INTERFACE * USBDeviceConnected::getInterface(uint8_t index) { if (index >= MAX_INTF) return NULL; if (intf[index].in_use) return &intf[index]; return NULL; } bool USBDeviceConnected::addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) { if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use)) { return false; } intf[intf_nb].in_use = true; intf[intf_nb].intf_class = intf_class; intf[intf_nb].intf_subclass = intf_subclass; intf[intf_nb].intf_protocol = intf_protocol; intf[intf_nb].nb_endpoint = 0; return true; } bool USBDeviceConnected::addEndpoint(uint8_t intf_nb, USBEndpoint * ept) { if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use == false) || (intf[intf_nb].nb_endpoint >= MAX_ENDPOINT_PER_INTERFACE)) { return false; } intf[intf_nb].nb_endpoint++; for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) { if (intf[intf_nb].ep[i] == NULL) { intf[intf_nb].ep[i] = ept; return true; } } return false; } void USBDeviceConnected::init(uint8_t hub_, uint8_t port_, bool lowSpeed_) { USB_DBG("init dev: %p", this); init(); hub_nb = hub_; port = port_; speed = lowSpeed_; } void USBDeviceConnected::disconnect() { for(int i = 0; i < MAX_INTF; i++) { intf[i].detach.call(); } init(); } USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index) { if (intf_nb >= MAX_INTF) { return NULL; } for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) { if ((intf[intf_nb].ep[i]->getType() == type) && (intf[intf_nb].ep[i]->getDir() == dir)) { if(index) { index--; } else { return intf[intf_nb].ep[i]; } } } return NULL; } USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, uint8_t index) { if ((intf_nb >= MAX_INTF) || (index >= MAX_ENDPOINT_PER_INTERFACE)) { return NULL; } return intf[intf_nb].ep[index]; }