Usb read
Dependencies: FATFileSystem
Fork of F401RE-USBHost by
USBHost.h
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 #pragma once 00018 #include "mbed.h" 00019 #include "USBHALHost.h" 00020 #include "USBDeviceConnected.h" 00021 #include "IUSBEnumerator.h" 00022 #include "USBHostConf.h" 00023 #include "dbg.h" 00024 #include "myvector.h" 00025 00026 /** 00027 * USBHost class 00028 * This class is a singleton. All drivers have a reference on the static USBHost instance 00029 */ 00030 class USBHost : public USBHALHost { 00031 public: 00032 /** 00033 * Static method to create or retrieve the single USBHost instance 00034 */ 00035 static USBHost* getHostInst(); 00036 00037 /** 00038 * Control read: setup stage, data stage and status stage 00039 * 00040 * @param dev the control read will be done for this device 00041 * @param requestType request type 00042 * @param request request 00043 * @param value value 00044 * @param index index 00045 * @param buf pointer on a buffer where will be store the data received 00046 * @param len length of the transfer 00047 * 00048 * @returns status of the control read 00049 */ 00050 USB_TYPE controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len); 00051 00052 /** 00053 * Control write: setup stage, data stage and status stage 00054 * 00055 * @param dev the control write will be done for this device 00056 * @param requestType request type 00057 * @param request request 00058 * @param value value 00059 * @param index index 00060 * @param buf pointer on a buffer which will be written 00061 * @param len length of the transfer 00062 * 00063 * @returns status of the control write 00064 */ 00065 USB_TYPE controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len); 00066 00067 /** 00068 * Bulk read 00069 * 00070 * @param dev the bulk transfer will be done for this device 00071 * @param ep USBEndpoint which will be used to read a packet 00072 * @param buf pointer on a buffer where will be store the data received 00073 * @param len length of the transfer 00074 * @param blocking if true, the read is blocking (wait for completion) 00075 * 00076 * @returns status of the bulk read 00077 */ 00078 USB_TYPE bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true); 00079 00080 /** 00081 * Bulk write 00082 * 00083 * @param dev the bulk transfer will be done for this device 00084 * @param ep USBEndpoint which will be used to write a packet 00085 * @param buf pointer on a buffer which will be written 00086 * @param len length of the transfer 00087 * @param blocking if true, the write is blocking (wait for completion) 00088 * 00089 * @returns status of the bulk write 00090 */ 00091 USB_TYPE bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true); 00092 00093 /** 00094 * Interrupt read 00095 * 00096 * @param dev the interrupt transfer will be done for this device 00097 * @param ep USBEndpoint which will be used to write a packet 00098 * @param buf pointer on a buffer which will be written 00099 * @param len length of the transfer 00100 * @param blocking if true, the read is blocking (wait for completion) 00101 * 00102 * @returns status of the interrupt read 00103 */ 00104 USB_TYPE interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true); 00105 00106 /** 00107 * Interrupt write 00108 * 00109 * @param dev the interrupt transfer will be done for this device 00110 * @param ep USBEndpoint which will be used to write a packet 00111 * @param buf pointer on a buffer which will be written 00112 * @param len length of the transfer 00113 * @param blocking if true, the write is blocking (wait for completion) 00114 * 00115 * @returns status of the interrupt write 00116 */ 00117 USB_TYPE interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true); 00118 00119 /** 00120 * Isochronous read 00121 * 00122 * @param dev the isochronous transfer will be done for this device 00123 * @param ep USBEndpoint which will be used to write a packet 00124 * @param buf pointer on a buffer which will be written 00125 * @param len length of the transfer 00126 * @param blocking if true, the read is blocking (wait for completion) 00127 * 00128 * @returns status of the interrupt read 00129 */ 00130 USB_TYPE isochronousRead(USBDeviceConnected* dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking = true); 00131 00132 /** 00133 * Enumerate a device. 00134 * 00135 * @param dev device which will be enumerated 00136 * 00137 * @returns status of the enumeration 00138 */ 00139 USB_TYPE enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator); 00140 00141 /** 00142 * Get a device 00143 * 00144 * @param index index of the device which will be returned 00145 * 00146 * @returns pointer on the "index" device 00147 */ 00148 USBDeviceConnected * getDevice(uint8_t index) { 00149 return index < DeviceLists.size() ? DeviceLists[index] : NULL; 00150 } 00151 00152 /** 00153 * register a driver into the host associated with a callback function called when the device is disconnected 00154 * 00155 * @param dev device 00156 * @param intf interface number 00157 * @param tptr pointer to the object to call the member function on 00158 * @param mptr pointer to the member function to be called 00159 */ 00160 template<typename T> 00161 void registerDriver(USBDeviceConnected * dev, uint8_t intf, T* tptr, void (T::*mptr)(void)) { 00162 } 00163 00164 // KL46Z-USBHost extensions 00165 int interruptReadNB(USBEndpoint* ep, uint8_t* data, int size); 00166 int interruptWriteNB(USBEndpoint* ep, const uint8_t* data, int size); 00167 int bulkReadNB(USBEndpoint*ep, uint8_t* data, int size); 00168 int bulkWriteNB(USBEndpoint*ep, const uint8_t* data, int size); 00169 int isochronousReadNB(USBEndpoint*ep, uint8_t* data, int size); 00170 static void poll(); 00171 00172 private: 00173 USBHost(); 00174 static USBHost* inst; 00175 virtual bool addDevice(USBDeviceConnected* parent, int port, bool lowSpeed); 00176 void root_enumeration(USBDeviceConnected* dev); 00177 void parseConfDescr(USBDeviceConnected* dev, uint8_t* conf_descr, uint32_t len, IUSBEnumerator* pEnumerator); 00178 myvector<USBDeviceConnected*>DeviceLists; 00179 00180 int ControlRead(USBDeviceConnected* dev, SETUP_PACKET* setup, uint8_t* data, int size); 00181 int ControlWrite(USBDeviceConnected* dev, SETUP_PACKET* setup, uint8_t* data = NULL, int size = 0); 00182 int bulkReadBLOCK(USBEndpoint*ep, uint8_t* data, int size, int timeout_ms); 00183 void task(); 00184 EndpointQueue ep_queue; 00185 00186 // USB HUB 00187 bool Hub(USBDeviceConnected* dev); 00188 int SetPortPower(USBDeviceConnected* dev, int port); 00189 int ClearPortPower(USBDeviceConnected* dev, int port); 00190 int PortReset(USBDeviceConnected* dev, int port); 00191 int SetPortFeature(USBDeviceConnected* dev, int feature, int index); 00192 int ClearPortFeature(USBDeviceConnected* dev, int feature, int index); 00193 int SetPortReset(USBDeviceConnected* dev, int port); 00194 int GetPortStatus(USBDeviceConnected* dev, int port, uint32_t* status); 00195 }; 00196
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