mirror of https://github.com/ARMmbed/mbed-os.git
123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
/* Copyright (c) 2010-2012 mbed.org, MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "USBDeviceConnected.h"
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USBDeviceConnected::USBDeviceConnected() {
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init();
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}
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void USBDeviceConnected::init() {
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hub = 0;
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port = 0;
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vid = 0;
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pid = 0;
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nb_interf = 0;
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enumerated = false;
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activeAddr = false;
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sizeControlEndpoint = 8;
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device_class = 0;
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device_subclass = 0;
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proto = 0;
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speed = false;
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for (int i = 0; i < MAX_INTF; i++) {
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memset((void *)&intf[i], 0, sizeof(INTERFACE));
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intf[i].in_use = false;
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for (int j = 0; j < MAX_ENDPOINT_PER_INTERFACE; j++) {
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intf[i].ep[j] = NULL;
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}
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}
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}
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INTERFACE * USBDeviceConnected::getInterface(uint8_t index) {
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if (index >= MAX_INTF) {
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return NULL;
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}
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return &intf[index];
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}
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bool USBDeviceConnected::addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) {
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if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use)) {
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return false;
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}
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intf[intf_nb].in_use = true;
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intf[intf_nb].intf_class = intf_class;
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intf[intf_nb].intf_subclass = intf_subclass;
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intf[intf_nb].intf_protocol = intf_protocol;
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intf[intf_nb].nb_endpoint = 0;
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nb_interf++;
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return true;
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}
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bool USBDeviceConnected::addEndpoint(uint8_t intf_nb, USBEndpoint * ept) {
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if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use == false) || (intf[intf_nb].nb_endpoint >= MAX_ENDPOINT_PER_INTERFACE)) {
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return false;
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}
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intf[intf_nb].nb_endpoint++;
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for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
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if (intf[intf_nb].ep[i] == NULL) {
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intf[intf_nb].ep[i] = ept;
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return true;
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}
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}
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return false;
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}
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void USBDeviceConnected::init(uint8_t hub, uint8_t port, bool lowSpeed) {
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init();
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this->hub = hub;
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this->port = port;
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this->speed = lowSpeed;
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}
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void USBDeviceConnected::disconnect() {
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for(int i = 0; i < nb_interf; i++) {
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intf[i].detach.call();
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}
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init();
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}
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USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index) {
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if (intf_nb >= MAX_INTF) {
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return NULL;
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}
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for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
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if ((intf[intf_nb].ep[i]->getType() == type) && (intf[intf_nb].ep[i]->getDir() == dir)) {
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if(index)
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{
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index--;
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}
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else
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{
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return intf[intf_nb].ep[i];
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}
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}
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}
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return NULL;
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}
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USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, uint8_t index) {
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if ((intf_nb >= MAX_INTF) || (index >= MAX_ENDPOINT_PER_INTERFACE)) {
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return NULL;
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}
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return intf[intf_nb].ep[index];
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}
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