Simple USBHost library for STM32F746NG Discovery board. Only either the Fastspeed or the Highspeed port can be used( not both together)
Dependents: DISCO-F746NG_USB_Host
Fork of KL46Z-USBHost by
Diff: USBHost/USBHost.h
- Revision:
- 12:b91fdea8c0a7
- Child:
- 18:61554f238584
diff -r 61843badd06e -r b91fdea8c0a7 USBHost/USBHost.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHost/USBHost.h Mon Jun 09 09:01:10 2014 +0000 @@ -0,0 +1,196 @@ +/* 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" + +/** +* 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); + + /** + * Isochronous read + * + * @param dev the isochronous 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 isochronousRead(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)) { + } + + // KL46Z-USBHost extensions + int interruptReadNB(USBEndpoint* ep, uint8_t* data, int size); + int interruptWriteNB(USBEndpoint* ep, const uint8_t* data, int size); + int bulkReadNB(USBEndpoint*ep, uint8_t* data, int size); + int bulkWriteNB(USBEndpoint*ep, const uint8_t* data, int size); + int isochronousReadNB(USBEndpoint*ep, uint8_t* data, int size); + 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; + + int ControlRead(USBDeviceConnected* dev, SETUP_PACKET* setup, uint8_t* data, int size); + int ControlWrite(USBDeviceConnected* dev, SETUP_PACKET* setup, uint8_t* data = NULL, int size = 0); + int bulkReadBLOCK(USBEndpoint*ep, uint8_t* data, int size, int timeout_ms); + 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); +}; +