Simple USBHost WebCam for EA LPC4088 QSB/LPC1768 test program
Dependencies: LPC4088-USBHost mbed
EA LPC4088 QSB/LPC1768をUSBホストにしてWebカメラからJPEG画像を読み取るテストプログラムです。
The usage is the same as KL46Z-USBHostC270_example.
使い方はKL46Z-USBHostC270_exampleと同じです。
動作確認: Logitech C270,Logitech Q200R(Qcam Orbit AF)
Diff: LPC4088-USBHost/USBHost/USBHost.h
- Revision:
- 1:1bb68ef9aa77
- Parent:
- 0:c972ee42b455
--- a/LPC4088-USBHost/USBHost/USBHost.h Thu Apr 24 05:38:45 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,189 +0,0 @@ -/* 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. - */ - -#pragma once -#include "mbed.h" -#include "USBHALHost.h" -#include "USBDeviceConnected.h" -#include "IUSBEnumerator.h" -#include "USBHostConf.h" -#include "dbg.h" -#include "myvector.h" - -// USB STANDARD REQUEST DEFINITIONS -#define USB_DESCRIPTOR_TYPE_STRING 3 -#define USB_DESCRIPTOR_TYPE_HUB 0x29 - -#pragma pack(push,1) -struct StringDescriptor {// offset - uint8_t bLength; // +0 - uint8_t bDescriptorType; // +1 - char bString[0]; // +2 -}; -#pragma pack(pop) - -/** -* USBHost class -* This class is a singleton. All drivers have a reference on the static USBHost instance -*/ -class USBHost : public USBHALHost { -public: - /** - * Static method to create or retrieve the single USBHost instance - */ - static USBHost* getHostInst(); - - /** - * Control read: setup stage, data stage and status stage - * - * @param dev the control read will be done for this device - * @param requestType request type - * @param request request - * @param value value - * @param index index - * @param buf pointer on a buffer where will be store the data received - * @param len length of the transfer - * - * @returns status of the control read - */ - USB_TYPE controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len); - - /** - * Control write: setup stage, data stage and status stage - * - * @param dev the control write will be done for this device - * @param requestType request type - * @param request request - * @param value value - * @param index index - * @param buf pointer on a buffer which will be written - * @param len length of the transfer - * - * @returns status of the control write - */ - USB_TYPE controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len); - - /** - * Bulk read - * - * @param dev the bulk transfer will be done for this device - * @param ep USBEndpoint which will be used to read a packet - * @param buf pointer on a buffer where will be store the data received - * @param len length of the transfer - * @param blocking if true, the read is blocking (wait for completion) - * - * @returns status of the bulk read - */ - USB_TYPE bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true); - - /** - * Bulk write - * - * @param dev the bulk transfer will be done for this device - * @param ep USBEndpoint which will be used to write a packet - * @param buf pointer on a buffer which will be written - * @param len length of the transfer - * @param blocking if true, the write is blocking (wait for completion) - * - * @returns status of the bulk write - */ - USB_TYPE bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true); - - /** - * Interrupt read - * - * @param dev the interrupt transfer will be done for this device - * @param ep USBEndpoint which will be used to write a packet - * @param buf pointer on a buffer which will be written - * @param len length of the transfer - * @param blocking if true, the read is blocking (wait for completion) - * - * @returns status of the interrupt read - */ - USB_TYPE interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true); - - /** - * Interrupt write - * - * @param dev the interrupt transfer will be done for this device - * @param ep USBEndpoint which will be used to write a packet - * @param buf pointer on a buffer which will be written - * @param len length of the transfer - * @param blocking if true, the write is blocking (wait for completion) - * - * @returns status of the interrupt write - */ - USB_TYPE interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true); - - /** - * Enumerate a device. - * - * @param dev device which will be enumerated - * - * @returns status of the enumeration - */ - USB_TYPE enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator); - - /** - * Get a device - * - * @param index index of the device which will be returned - * - * @returns pointer on the "index" device - */ - USBDeviceConnected * getDevice(uint8_t index) { - return index < DeviceLists.size() ? DeviceLists[index] : NULL; - } - - /** - * register a driver into the host associated with a callback function called when the device is disconnected - * - * @param dev device - * @param intf interface number - * @param tptr pointer to the object to call the member function on - * @param mptr pointer to the member function to be called - */ - template<typename T> - void registerDriver(USBDeviceConnected * dev, uint8_t intf, T* tptr, void (T::*mptr)(void)) { - } - - // LPC4088-USBHost extensions - USB_TYPE controlRead(USBEndpoint* ep, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t* buf, uint32_t len); - USB_TYPE controlWrite(USBEndpoint* ep, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t* buf, uint32_t len); - static void poll(); - -private: - USBHost(); - static USBHost* inst; - virtual bool addDevice(USBDeviceConnected* parent, int port, bool lowSpeed); - void root_enumeration(USBDeviceConnected* dev); - void parseConfDescr(USBDeviceConnected* dev, uint8_t* conf_descr, uint32_t len, IUSBEnumerator* pEnumerator); - myvector<USBDeviceConnected*>DeviceLists; - - void task(); - EndpointQueue ep_queue; - - // USB HUB - bool Hub(USBDeviceConnected* dev); - int SetPortPower(USBDeviceConnected* dev, int port); - int ClearPortPower(USBDeviceConnected* dev, int port); - int PortReset(USBDeviceConnected* dev, int port); - int SetPortFeature(USBDeviceConnected* dev, int feature, int index); - int ClearPortFeature(USBDeviceConnected* dev, int feature, int index); - int SetPortReset(USBDeviceConnected* dev, int port); - int GetPortStatus(USBDeviceConnected* dev, int port, uint32_t* status); -}; -