mbed-os/libraries/net/VodafoneUSBModem/USBHostWANDongle/USBHost/USBDeviceConnected.cpp

123 lines
3.7 KiB
C++

/* 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"
USBDeviceConnected::USBDeviceConnected() {
init();
}
void USBDeviceConnected::init() {
hub = 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;
}
}
}
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) {
init();
this->hub = hub;
this->port = port;
this->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];
}