Library to allo USB PTP device to be hosted by the mbed platform
Dependents: class_project_main
USBHostPTP.h
- Committer:
- jakowisp
- Date:
- 2013-08-23
- Revision:
- 0:98cf19bcd828
- Child:
- 1:71c0e9dc153d
File content as of revision 0:98cf19bcd828:
/* 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. */ #ifndef USBHOSTPTP_H #define USBHOSTPTP_H #include "USBHostConf.h" #include "USBHost.h" #include "PIMA15740_types.h" //#define USDBPTPDEBUG 1 #ifdef USDBPTPDEBUG #define PTPTRACE(s) (Notify((s)) #define PTPTRACE2(s,r) (Message((s),(r)) #else #define PTPTRACE(s) ((void)0) #define PTPTRACE2(s,r) (wait_us(1)) #endif /** * USB PTP definitions * */ #define USB_PTP_CLASS_CODE 0x06 #define USB_PTP_CLASS_REQUEST_CANCELREQEUST 0x64 #define USB_PTP_CLASS_REQUEST_GET_EXTENDED_EVENT_DATA 0x65 #define USB_PTP_CLASS_REQUEST_DEVICE_RESET 0x66 #define USB_PTP_CLASS_REQUEST_GET_DEVICE_STATUS 0x67 typedef void (*DataHandler)(void *object, uint8_t *bufffer, uint16_t length); /** * USBHostPTP class * */ class USBHostPTP : public IUSBEnumerator { public: struct OperFlags { uint16_t opParams : 3; // 7 - maximum number of operation parameters uint16_t rsParams : 3; // 7 - maximum number of response parameters uint16_t txOperation : 1; // I->R operation if the flag is set uint16_t dataStage : 1; // operation has data stage if the flag is set uint16_t typeOfVoid : 2; // 0 - NULL, 1 - PTPReadParser/PTPDataSupplyer, 2 - WRITEPARSER, 3 - buffer pointer uint16_t dataSize : 6; // size of data buffer (64 bytes maximum) }; /** * Constructor * * @param None */ USBHostPTP(void); /** * Check if a PTP device is connected * * @return true if a PTP device is connected */ bool connected(); /** * Try to connect to a PTP device * * @return true if connection was successful */ bool connect(); bool CancelRequest(unsigned int TransactionID); bool DeviceResetRequest(void); bool GetDeviceStatus(void); bool GetExtendedEventData(void); uint16_t Transaction(uint16_t operationCode, OperFlags *flags, uint32_t *params = NULL, void *pVoid = NULL); uint32_t transactionCnt; uint32_t sessionID; DeviceInfoStruct deviceInfo; ObjectInfoStruct objectInfo; uint32_t dataLeftToTransfer; uint32_t totalDataToTransfer; // Simple PTP operation which has no data stage. Any number of uint32_t params can be supplied. uint16_t Operation(uint16_t opcode, uint8_t nparams = 0, uint32_t *params = NULL); uint16_t OpenSession(); uint16_t CloseSession(); uint16_t GetDeviceInfo(); uint16_t PowerDown(); uint16_t SelfTest(uint16_t type = 0); uint16_t GetNumObjects(uint32_t *retval, uint32_t storage_id=0xffffffff, uint16_t format=0x0000, uint32_t assoc=0x0000); uint16_t GetObjectHandles(uint32_t storage_id=0xffffffff, uint16_t format=0x0000, uint16_t assoc=0x0000, void *parser=NULL); uint16_t GetObjectInfo(uint32_t handle); uint16_t GetThumb(uint32_t handle, void *parser=NULL); uint16_t GetObject(uint32_t handle, void *parser=NULL); uint16_t GetStorageIDs(void *parser=NULL); uint16_t GetStorageInfo(uint32_t storage_id, void *parser=NULL); uint16_t CopyObject(uint32_t handle, uint32_t storage_id, uint32_t parent, uint32_t *new_handle); uint16_t DeleteObject(uint32_t handle, uint16_t format); uint16_t SetObjectProtection(uint32_t handle, uint16_t attrib); uint16_t MoveObject(uint32_t handle, uint32_t storage_id, uint32_t parent); uint16_t GetDevicePropDesc(const uint16_t pcode, void *parser=NULL); uint16_t GetDevicePropValue(const uint16_t pcode, void *parser=NULL); uint16_t SetDevicePropValue(uint16_t pcode, uint32_t val); uint16_t ResetDevicePropValue(const uint16_t pcode); uint16_t FormatStore(uint32_t storage_id, uint32_t fsformat); uint16_t InitiateCapture(uint32_t storage_id, uint16_t format); uint16_t InitiateOpenCapture(uint32_t storage_id, uint16_t format); uint16_t TerminateOpenCapture(uint32_t trans_id); void DumpDeviceInfo(void); void DumpObjectInfo(void); protected: //From IUSBEnumerator virtual void setVidPid(uint16_t vid, uint16_t pid); virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used //This is a generic function should belong to some other class or namespance. void DumpBuffer(uint8_t *buffer,uint32_t length); private: USBHost * host; USBDeviceConnected * pointerToDevice; bool deviceFound; bool deviceConnected; USBEndpoint * bulk_in; USBEndpoint * bulk_out; USBEndpoint * int_in; uint8_t numberOfEndpoints; PIMAContainer commandContainer; PIMAContainer responseContainer; PIMAContainer dataContainer; PIMAContainer eventContainer; uint8_t buffer[1024]; int ptp_intf; void initializeClassData(); int checkResult(uint8_t res, USBEndpoint * ep); bool IsCommandSupported(uint16_t opcode); bool IsPropertySupported(uint16_t code); bool CheckValueInArray(PIMAArray *array, uint16_t code); bool CheckEvent(void); static void ParseDeviceInfoDataBlock(void *ptp, uint8_t *buffer,uint16_t length); static void ParseObjectInfoDataBlock(void *ptp, uint8_t *buffer,uint16_t length); }; #endif