forked for unsupported target
Dependents: stm32-disco-example DISCO-F469NI_BD_SD_Card_Control
Fork of USBHOST by
Diff: USBHost/USBDeviceConnected.cpp
- Revision:
- 1:ab240722d7ef
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHost/USBDeviceConnected.cpp Wed Feb 15 10:49:44 2017 +0100 @@ -0,0 +1,124 @@ +/* mbed USBHost Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#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++) { + if (intf[i].detach) 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]; +}