USBDeviceConnected.cpp

00001 /* mbed USBHost Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "USBDeviceConnected.h"
00018 //#include "dbg.h"
00019 #define USB_DBG(...) while(0)
00020 
00021 USBDeviceConnected::USBDeviceConnected() {
00022     init();
00023 }
00024 
00025 void USBDeviceConnected::init() {
00026     hub_nb = 0;
00027     port = 0;
00028     vid = 0;
00029     pid = 0;
00030     nb_interf = 0;
00031     enumerated = false;
00032     //activeAddr = false;
00033     //sizeControlEndpoint = 8;
00034     device_class = 0;
00035     device_subclass = 0;
00036     proto = 0;
00037     lowSpeed = false;
00038     for (int i = 0; i < MAX_INTF; i++) {
00039         memset((void *)&intf[i], 0, sizeof(INTERFACE));
00040         intf[i].in_use = false;
00041         for (int j = 0; j < MAX_ENDPOINT_PER_INTERFACE; j++) {
00042             intf[i].ep[j] = NULL;
00043             //strcpy(intf[i].name, "Unknown");
00044         }
00045     }
00046     //hub_parent = NULL;
00047     //hub = NULL;
00048     nb_interf = 0;
00049 }
00050 
00051 INTERFACE * USBDeviceConnected::getInterface(uint8_t index) {
00052     if (index >= MAX_INTF)
00053         return NULL;
00054     
00055     if (intf[index].in_use)
00056         return &intf[index];
00057     
00058     return NULL;
00059 }
00060 
00061 bool USBDeviceConnected::addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) {
00062     if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use)) {
00063         return false;
00064     }
00065     intf[intf_nb].in_use = true;
00066     intf[intf_nb].intf_class = intf_class;
00067     intf[intf_nb].intf_subclass = intf_subclass;
00068     intf[intf_nb].intf_protocol = intf_protocol;
00069     intf[intf_nb].nb_endpoint = 0;
00070     return true;
00071 }
00072 
00073 bool USBDeviceConnected::addEndpoint(uint8_t intf_nb, USBEndpoint * ept) {
00074     if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use == false) || (intf[intf_nb].nb_endpoint >= MAX_ENDPOINT_PER_INTERFACE)) {
00075         return false;
00076     }
00077     intf[intf_nb].nb_endpoint++;
00078 
00079     for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
00080         if (intf[intf_nb].ep[i] == NULL) {
00081             intf[intf_nb].ep[i] = ept;
00082             return true;
00083         }
00084     }
00085     return false;
00086 }
00087 
00088 void USBDeviceConnected::init(uint8_t hub_, uint8_t port_, bool lowSpeed_) {
00089     USB_DBG("init dev: %p", this);
00090     init();
00091     hub_nb = hub_;
00092     port = port_;
00093     lowSpeed = lowSpeed_;
00094 }
00095 
00096 void USBDeviceConnected::disconnect() {
00097     //for(int i = 0; i < MAX_INTF; i++) {
00098     //    intf[i].detach.call();
00099     //}
00100     //init();
00101 }
00102 
00103 
00104 USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index) {
00105     if (intf_nb >= MAX_INTF) {
00106         return NULL;
00107     }
00108     for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
00109         if ((intf[intf_nb].ep[i]->getType() == type) && (intf[intf_nb].ep[i]->getDir() == dir)) {
00110             if(index) {
00111                 index--;
00112             } else {
00113                 return intf[intf_nb].ep[i];
00114             }
00115         }
00116     }
00117     return NULL;
00118 }
00119 
00120 USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, uint8_t index) {
00121     if ((intf_nb >= MAX_INTF) || (index >= MAX_ENDPOINT_PER_INTERFACE)) {
00122         return NULL;
00123     }
00124     return intf[intf_nb].ep[index];
00125 }