2018.07.26
Dependencies: FATFileSystem2 mbed-rtos
Fork of USBHost by
Diff: USBHost/USBDeviceConnected.cpp
- Revision:
- 0:a554658735bf
- Child:
- 4:b320d68e98e7
diff -r 000000000000 -r a554658735bf USBHost/USBDeviceConnected.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHost/USBDeviceConnected.cpp Wed Mar 06 16:27:14 2013 +0000 @@ -0,0 +1,124 @@ +/* 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; + strcpy(name, "Unknown"); + 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; + } + } + hub_parent = NULL; + hub = NULL; +} + +INTERFACE * USBDeviceConnected::getInterface(uint8_t index) { + if (index >= MAX_INTF) { + return NULL; + } + return &intf[index]; +} + +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; + nb_interf++; + 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 < nb_interf; 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]; +} +