kopia lustrzana https://github.com/micropython/micropython
1770 wiersze
55 KiB
C
1770 wiersze
55 KiB
C
/**
|
|
******************************************************************************
|
|
* @file usbh_mtp_ptp.c
|
|
* @author MCD Application Team
|
|
* @version V3.0.0
|
|
* @date 18-February-2014
|
|
* @brief This file includes the PTP operations layer
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
|
|
*
|
|
* Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2
|
|
*
|
|
* 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.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "usbh_mtp_ptp.h"
|
|
#include "usbh_mtp.h"
|
|
/** @addtogroup USBH_LIB
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup USBH_CLASS
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup USBH_MTP_CLASS
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup USBH_MTP_PTP
|
|
* @brief This file includes the mass storage related functions
|
|
* @{
|
|
*/
|
|
|
|
|
|
/** @defgroup USBH_MTP_PTP_Private_TypesDefinitions
|
|
* @{
|
|
*/
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup USBH_MTP_PTP_Private_Defines
|
|
* @{
|
|
*/
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup USBH_MTP_PTP_Private_Macros
|
|
* @{
|
|
*/
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/** @defgroup USBH_MTP_PTP_Private_Variables
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/** @defgroup USBH_MTP_PTP_Private_FunctionPrototypes
|
|
* @{
|
|
*/
|
|
static void PTP_DecodeDeviceInfo (USBH_HandleTypeDef *phost, PTP_DeviceInfoTypedef *dev_info);
|
|
static void PTP_GetStorageIDs (USBH_HandleTypeDef *phost, PTP_StorageIDsTypedef *stor_ids);
|
|
static void PTP_GetStorageInfo (USBH_HandleTypeDef *phost, uint32_t storage_id, PTP_StorageInfoTypedef *stor_info);
|
|
static void PTP_GetObjectPropDesc (USBH_HandleTypeDef *phost, PTP_ObjectPropDescTypeDef *opd, uint32_t opdlen);
|
|
static void PTP_DecodeDeviceInfo (USBH_HandleTypeDef *phost, PTP_DeviceInfoTypedef *dev_info);
|
|
static void PTP_GetDevicePropValue(USBH_HandleTypeDef *phost,
|
|
uint32_t *offset,
|
|
uint32_t total,
|
|
PTP_PropertyValueTypedef* value,
|
|
uint16_t datatype);
|
|
|
|
static uint32_t PTP_GetObjectPropList (USBH_HandleTypeDef *phost,
|
|
MTP_PropertiesTypedef *props,
|
|
uint32_t len);
|
|
|
|
|
|
static void PTP_BufferFullCallback(USBH_HandleTypeDef *phost);
|
|
static void PTP_GetString(uint8_t *str, uint8_t* data, uint16_t *len);
|
|
static uint32_t PTP_GetArray16 (uint16_t *array, uint8_t *data, uint32_t offset);
|
|
static uint32_t PTP_GetArray32 (uint32_t *array, uint8_t *data, uint32_t offset);
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/** @defgroup USBH_MTP_PTP_Exported_Variables
|
|
* @{
|
|
*/
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/** @defgroup USBH_MTP_PTP_Private_Functions
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief USBH_PTP_Init
|
|
* The function Initializes the BOT protocol.
|
|
* @param phost: Host handle
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_Init(USBH_HandleTypeDef *phost)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
|
|
/* Set state to idle to be ready for operations */
|
|
MTP_Handle->ptp.state = PTP_IDLE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_SEND;
|
|
|
|
return USBH_OK;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_Process
|
|
* The function handle the BOT protocol.
|
|
* @param phost: Host handle
|
|
* @param lun: Logical Unit Number
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_Process (USBH_HandleTypeDef *phost)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
USBH_URBStateTypeDef URB_Status = USBH_URB_IDLE;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
uint32_t len;
|
|
|
|
switch (MTP_Handle->ptp.state)
|
|
{
|
|
case PTP_IDLE:
|
|
/*Do Nothing */
|
|
break;
|
|
|
|
case PTP_OP_REQUEST_STATE:
|
|
USBH_BulkSendData (phost,
|
|
(uint8_t*)&(MTP_Handle->ptp.op_container),
|
|
MTP_Handle->ptp.op_container.length,
|
|
MTP_Handle->DataOutPipe,
|
|
1);
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_WAIT_STATE;
|
|
break;
|
|
|
|
case PTP_OP_REQUEST_WAIT_STATE:
|
|
URB_Status = USBH_LL_GetURBState(phost, MTP_Handle->DataOutPipe);
|
|
|
|
if(URB_Status == USBH_URB_DONE)
|
|
{
|
|
if(MTP_Handle->ptp.flags == PTP_DP_NODATA)
|
|
{
|
|
MTP_Handle->ptp.state = PTP_RESPONSE_STATE;
|
|
}
|
|
else if(MTP_Handle->ptp.flags == PTP_DP_SENDDATA)
|
|
{
|
|
MTP_Handle->ptp.state = PTP_DATA_OUT_PHASE_STATE;
|
|
}
|
|
else if(MTP_Handle->ptp.flags == PTP_DP_GETDATA)
|
|
{
|
|
MTP_Handle->ptp.state = PTP_DATA_IN_PHASE_STATE;
|
|
}
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
else if(URB_Status == USBH_URB_NOTREADY)
|
|
{
|
|
/* Re-send Request */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
else if(URB_Status == USBH_URB_STALL)
|
|
{
|
|
MTP_Handle->ptp.state = PTP_ERROR;
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case PTP_DATA_OUT_PHASE_STATE:
|
|
|
|
USBH_BulkSendData (phost,
|
|
MTP_Handle->ptp.data_ptr,
|
|
MTP_Handle->DataOutEpSize ,
|
|
MTP_Handle->DataOutPipe,
|
|
1);
|
|
|
|
|
|
MTP_Handle->ptp.state = PTP_DATA_OUT_PHASE_WAIT_STATE;
|
|
break;
|
|
|
|
case PTP_DATA_OUT_PHASE_WAIT_STATE:
|
|
URB_Status = USBH_LL_GetURBState(phost, MTP_Handle->DataOutPipe);
|
|
|
|
if(URB_Status == USBH_URB_DONE)
|
|
{
|
|
/* Adjudt Data pointer and data length */
|
|
if(MTP_Handle->ptp.data_length > MTP_Handle->DataOutEpSize)
|
|
{
|
|
MTP_Handle->ptp.data_ptr += MTP_Handle->DataOutEpSize;
|
|
MTP_Handle->ptp.data_length -= MTP_Handle->DataOutEpSize;
|
|
MTP_Handle->ptp.data_packet += MTP_Handle->DataOutEpSize;
|
|
|
|
if(MTP_Handle->ptp.data_packet >= PTP_USB_BULK_PAYLOAD_LEN_READ)
|
|
{
|
|
PTP_BufferFullCallback (phost);
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
MTP_Handle->ptp.iteration++;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
MTP_Handle->ptp.data_length = 0;
|
|
}
|
|
|
|
/* More Data To be Sent */
|
|
if(MTP_Handle->ptp.data_length > 0)
|
|
{
|
|
USBH_BulkSendData (phost,
|
|
MTP_Handle->ptp.data_ptr,
|
|
MTP_Handle->DataOutEpSize ,
|
|
MTP_Handle->DataOutPipe,
|
|
1);
|
|
}
|
|
else
|
|
{
|
|
/* If value was 0, and successful transfer, then change the state */
|
|
MTP_Handle->ptp.state = PTP_RESPONSE_STATE;
|
|
}
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
|
|
else if(URB_Status == USBH_URB_NOTREADY)
|
|
{
|
|
/* Re-send same data */
|
|
MTP_Handle->ptp.state = PTP_DATA_OUT_PHASE_STATE;
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
|
|
else if(URB_Status == USBH_URB_STALL)
|
|
{
|
|
MTP_Handle->ptp.state = PTP_ERROR;
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case PTP_DATA_IN_PHASE_STATE:
|
|
/* Send first packet */
|
|
USBH_BulkReceiveData (phost,
|
|
MTP_Handle->ptp.data_ptr,
|
|
MTP_Handle->DataInEpSize,
|
|
MTP_Handle->DataInPipe);
|
|
|
|
MTP_Handle->ptp.state = PTP_DATA_IN_PHASE_WAIT_STATE;
|
|
break;
|
|
|
|
case PTP_DATA_IN_PHASE_WAIT_STATE:
|
|
URB_Status = USBH_LL_GetURBState(phost, MTP_Handle->DataInPipe);
|
|
|
|
if(URB_Status == USBH_URB_DONE)
|
|
{
|
|
len = USBH_LL_GetLastXferSize (phost, MTP_Handle->DataInPipe);
|
|
|
|
if( MTP_Handle->ptp.data_packet_counter++ == 0)
|
|
{
|
|
/* This is the first packet; so retrieve exact data length from payload */
|
|
MTP_Handle->ptp.data_length = *(uint32_t*)(MTP_Handle->ptp.data_ptr);
|
|
MTP_Handle->ptp.iteration = 0;
|
|
}
|
|
|
|
if((len >= MTP_Handle->DataInEpSize) && (MTP_Handle->ptp.data_length > 0))
|
|
{
|
|
MTP_Handle->ptp.data_ptr += len;
|
|
MTP_Handle->ptp.data_length -= len;
|
|
MTP_Handle->ptp.data_packet += len;
|
|
|
|
if(MTP_Handle->ptp.data_packet >= PTP_USB_BULK_PAYLOAD_LEN_READ)
|
|
{
|
|
PTP_BufferFullCallback (phost);
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
MTP_Handle->ptp.iteration++;
|
|
}
|
|
|
|
/* Continue receiving data*/
|
|
USBH_BulkReceiveData (phost,
|
|
MTP_Handle->ptp.data_ptr,
|
|
MTP_Handle->DataInEpSize,
|
|
MTP_Handle->DataInPipe);
|
|
}
|
|
else
|
|
{
|
|
MTP_Handle->ptp.data_length -= len;
|
|
MTP_Handle->ptp.state = PTP_RESPONSE_STATE;
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
}
|
|
else if(URB_Status == USBH_URB_STALL)
|
|
{
|
|
MTP_Handle->ptp.state = PTP_ERROR;
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case PTP_RESPONSE_STATE:
|
|
|
|
USBH_BulkReceiveData (phost,
|
|
(uint8_t*)&(MTP_Handle->ptp.resp_container),
|
|
PTP_USB_BULK_REQ_RESP_MAX_LEN ,
|
|
MTP_Handle->DataInPipe);
|
|
|
|
MTP_Handle->ptp.state = PTP_RESPONSE_WAIT_STATE;
|
|
break;
|
|
|
|
case PTP_RESPONSE_WAIT_STATE:
|
|
URB_Status = USBH_LL_GetURBState(phost, MTP_Handle->DataInPipe);
|
|
|
|
if(URB_Status == USBH_URB_DONE)
|
|
{
|
|
USBH_PTP_GetResponse (phost, &ptp_container);
|
|
|
|
if(ptp_container.Code == PTP_RC_OK)
|
|
{
|
|
status = USBH_OK;
|
|
}
|
|
else
|
|
{
|
|
status = USBH_FAIL;
|
|
}
|
|
MTP_Handle->ptp.req_state = PTP_REQ_SEND;
|
|
}
|
|
else if(URB_Status == USBH_URB_STALL)
|
|
{
|
|
MTP_Handle->ptp.state = PTP_ERROR;
|
|
#if (USBH_USE_OS == 1)
|
|
osMessagePut ( phost->os_event, USBH_URB_EVENT, 0);
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case PTP_ERROR:
|
|
MTP_Handle->ptp.req_state = PTP_REQ_SEND;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_OpenSession
|
|
* Open a new session
|
|
* @param phost: Host handle
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_SendRequest (USBH_HandleTypeDef *phost, PTP_ContainerTypedef *req)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_OK;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
|
|
/* Clear PTP Data container*/
|
|
USBH_memset(&(MTP_Handle->ptp.op_container), 0, sizeof(PTP_OpContainerTypedef));
|
|
|
|
/* build appropriate USB container */
|
|
MTP_Handle->ptp.op_container.length = PTP_USB_BULK_REQ_LEN- (sizeof(uint32_t)*(5-req->Nparam));
|
|
MTP_Handle->ptp.op_container.type = PTP_USB_CONTAINER_COMMAND;
|
|
MTP_Handle->ptp.op_container.code = req->Code;
|
|
MTP_Handle->ptp.op_container.trans_id = req->Transaction_ID;
|
|
MTP_Handle->ptp.op_container.param1 = req->Param1;
|
|
MTP_Handle->ptp.op_container.param2 = req->Param2;
|
|
MTP_Handle->ptp.op_container.param3 = req->Param3;
|
|
MTP_Handle->ptp.op_container.param4 = req->Param4;
|
|
MTP_Handle->ptp.op_container.param5 = req->Param5;
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_OpenSession
|
|
* Open a new session
|
|
* @param phost: Host handle
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetResponse (USBH_HandleTypeDef *phost, PTP_ContainerTypedef *resp)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_OK;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
|
|
/* build an appropriate PTPContainer */
|
|
resp->Code = MTP_Handle->ptp.resp_container.code;
|
|
resp->SessionID = MTP_Handle->ptp.session_id;
|
|
resp->Transaction_ID = MTP_Handle->ptp.resp_container.trans_id;
|
|
resp->Param1 = MTP_Handle->ptp.resp_container.param1;
|
|
resp->Param2 = MTP_Handle->ptp.resp_container.param2;
|
|
resp->Param3 = MTP_Handle->ptp.resp_container.param3;
|
|
resp->Param4 = MTP_Handle->ptp.resp_container.param4;
|
|
resp->Param5 = MTP_Handle->ptp.resp_container.param5;
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief The function informs user that data buffer is full
|
|
* @param phost: host handle
|
|
* @retval None
|
|
*/
|
|
void PTP_BufferFullCallback(USBH_HandleTypeDef *phost)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
|
|
switch (MTP_Handle->ptp.data_container.code)
|
|
{
|
|
case PTP_OC_GetDeviceInfo:
|
|
PTP_DecodeDeviceInfo (phost, &(MTP_Handle->info.devinfo));
|
|
break;
|
|
|
|
case PTP_OC_GetPartialObject:
|
|
case PTP_OC_GetObject:
|
|
|
|
/* first packet is in the PTP data payload buffer */
|
|
if(MTP_Handle->ptp.iteration == 0)
|
|
{
|
|
/* copy it to object */
|
|
USBH_memcpy(MTP_Handle->ptp.object_ptr, MTP_Handle->ptp.data_container.payload.data, PTP_USB_BULK_PAYLOAD_LEN_READ);
|
|
|
|
/* next packet should be directly copied to object */
|
|
MTP_Handle->ptp.data_ptr = (MTP_Handle->ptp.object_ptr + PTP_USB_BULK_PAYLOAD_LEN_READ);
|
|
}
|
|
break;
|
|
|
|
case PTP_OC_SendObject:
|
|
/* first packet is in the PTP data payload buffer */
|
|
if(MTP_Handle->ptp.iteration == 0)
|
|
{
|
|
/* next packet should be directly copied to object */
|
|
MTP_Handle->ptp.data_ptr = (MTP_Handle->ptp.object_ptr + PTP_USB_BULK_PAYLOAD_LEN_READ);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief PTP_GetDeviceInfo
|
|
* Gets device info dataset and fills deviceinfo structure.
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval None
|
|
*/
|
|
static void PTP_DecodeDeviceInfo (USBH_HandleTypeDef *phost, PTP_DeviceInfoTypedef *dev_info)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
uint8_t *data = MTP_Handle->ptp.data_container.payload.data;
|
|
uint32_t totallen;
|
|
uint16_t len;
|
|
|
|
/* Max device info is PTP_USB_BULK_HS_MAX_PACKET_LEN_READ */
|
|
USBH_DbgLog (" MTP device info size exceeds internal buffer size.\
|
|
only available data are decoded.");
|
|
|
|
if(MTP_Handle->ptp.iteration == 0)
|
|
{
|
|
dev_info->StandardVersion = LE16(&data[PTP_di_StandardVersion]);
|
|
dev_info->VendorExtensionID = LE32(&data[PTP_di_VendorExtensionID]);
|
|
dev_info->VendorExtensionVersion = LE16(&data[PTP_di_VendorExtensionVersion]);
|
|
PTP_GetString(dev_info->VendorExtensionDesc, &data[PTP_di_VendorExtensionDesc], &len);
|
|
|
|
totallen=len*2+1;
|
|
dev_info->FunctionalMode = LE16(&data[PTP_di_FunctionalMode+totallen]);
|
|
dev_info->OperationsSupported_len = PTP_GetArray16 ((uint16_t *)&dev_info->OperationsSupported,
|
|
data,
|
|
PTP_di_OperationsSupported+totallen);
|
|
|
|
totallen=totallen+dev_info->OperationsSupported_len*sizeof(uint16_t)+sizeof(uint32_t);
|
|
dev_info->EventsSupported_len = PTP_GetArray16 ((uint16_t *)&dev_info->EventsSupported,
|
|
data,
|
|
PTP_di_OperationsSupported+totallen);
|
|
|
|
totallen=totallen+dev_info->EventsSupported_len*sizeof(uint16_t)+sizeof(uint32_t);
|
|
dev_info->DevicePropertiesSupported_len = PTP_GetArray16 ((uint16_t *)&dev_info->DevicePropertiesSupported,
|
|
data,
|
|
PTP_di_OperationsSupported+totallen);
|
|
|
|
totallen=totallen+dev_info->DevicePropertiesSupported_len*sizeof(uint16_t)+sizeof(uint32_t);
|
|
|
|
dev_info->CaptureFormats_len = PTP_GetArray16 ((uint16_t *)&dev_info->CaptureFormats,
|
|
data,
|
|
PTP_di_OperationsSupported+totallen);
|
|
|
|
totallen=totallen+dev_info->CaptureFormats_len*sizeof(uint16_t)+sizeof(uint32_t);
|
|
dev_info->ImageFormats_len = PTP_GetArray16 ((uint16_t *)&dev_info->ImageFormats,
|
|
data,
|
|
PTP_di_OperationsSupported+totallen);
|
|
|
|
totallen=totallen+dev_info->ImageFormats_len*sizeof(uint16_t)+sizeof(uint32_t);
|
|
PTP_GetString(dev_info->Manufacturer, &data[PTP_di_OperationsSupported+totallen], &len);
|
|
|
|
totallen+=len*2+1;
|
|
PTP_GetString(dev_info->Model, &data[PTP_di_OperationsSupported+totallen], &len);
|
|
|
|
totallen+=len*2+1;
|
|
PTP_GetString(dev_info->DeviceVersion, &data[PTP_di_OperationsSupported+totallen], &len);
|
|
|
|
totallen+=len*2+1;
|
|
PTP_GetString(dev_info->SerialNumber, &data[PTP_di_OperationsSupported+totallen], &len);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief PTP_GetStorageIDs
|
|
* Gets Storage Ids and fills stor_ids structure.
|
|
* @param phost: Host handle
|
|
* @param stor_ids: Storage IDsstructure
|
|
* @retval None
|
|
*/
|
|
static void PTP_GetStorageIDs (USBH_HandleTypeDef *phost, PTP_StorageIDsTypedef *stor_ids)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
uint8_t *data = MTP_Handle->ptp.data_container.payload.data;
|
|
|
|
stor_ids->n = PTP_GetArray32 (stor_ids->Storage, data, 0);
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief PTP_GetStorageInfo
|
|
* Gets Storage Info and fills stor_info structure.
|
|
* @param phost: Host handle
|
|
* @param stor_ids: Storage IDsstructure
|
|
* @retval None
|
|
*/
|
|
static void PTP_GetStorageInfo (USBH_HandleTypeDef *phost, uint32_t storage_id, PTP_StorageInfoTypedef *stor_info)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
uint8_t *data = MTP_Handle->ptp.data_container.payload.data;
|
|
|
|
uint16_t len;
|
|
|
|
stor_info->StorageType=LE16(&data[PTP_si_StorageType]);
|
|
stor_info->FilesystemType=LE16(&data[PTP_si_FilesystemType]);
|
|
stor_info->AccessCapability=LE16(&data[PTP_si_AccessCapability]);
|
|
stor_info->MaxCapability=LE64(&data[PTP_si_MaxCapability]);
|
|
stor_info->FreeSpaceInBytes=LE64(&data[PTP_si_FreeSpaceInBytes]);
|
|
stor_info->FreeSpaceInImages=LE32(&data[PTP_si_FreeSpaceInImages]);
|
|
|
|
PTP_GetString(stor_info->StorageDescription, &data[PTP_si_StorageDescription], &len);
|
|
PTP_GetString(stor_info->VolumeLabel, &data[PTP_si_StorageDescription+len*2+1], &len);
|
|
}
|
|
|
|
/**
|
|
* @brief PTP_GetObjectInfo
|
|
* Gets objectInfo and fills object_info structure.
|
|
* @param phost: Host handle
|
|
* @param object_info: object info structure
|
|
* @retval None
|
|
*/
|
|
static void PTP_GetObjectInfo (USBH_HandleTypeDef *phost, PTP_ObjectInfoTypedef *object_info)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
uint8_t *data = MTP_Handle->ptp.data_container.payload.data;
|
|
uint16_t filenamelen;
|
|
|
|
object_info->StorageID=LE32(&data[PTP_oi_StorageID]);
|
|
object_info->ObjectFormat=LE16(&data[PTP_oi_ObjectFormat]);
|
|
object_info->ProtectionStatus=LE16(&data[PTP_oi_ProtectionStatus]);
|
|
object_info->ObjectCompressedSize=LE32(&data[PTP_oi_ObjectCompressedSize]);
|
|
|
|
/* For Samsung Galaxy */
|
|
if ((data[PTP_oi_filenamelen] == 0) && (data[PTP_oi_filenamelen+4] != 0))
|
|
{
|
|
data += 4;
|
|
}
|
|
object_info->ThumbFormat=LE16(&data[PTP_oi_ThumbFormat]);
|
|
object_info->ThumbCompressedSize=LE32(&data[PTP_oi_ThumbCompressedSize]);
|
|
object_info->ThumbPixWidth=LE32(&data[PTP_oi_ThumbPixWidth]);
|
|
object_info->ThumbPixHeight=LE32(&data[PTP_oi_ThumbPixHeight]);
|
|
object_info->ImagePixWidth=LE32(&data[PTP_oi_ImagePixWidth]);
|
|
object_info->ImagePixHeight=LE32(&data[PTP_oi_ImagePixHeight]);
|
|
object_info->ImageBitDepth=LE32(&data[PTP_oi_ImageBitDepth]);
|
|
object_info->ParentObject=LE32(&data[PTP_oi_ParentObject]);
|
|
object_info->AssociationType=LE16(&data[PTP_oi_AssociationType]);
|
|
object_info->AssociationDesc=LE32(&data[PTP_oi_AssociationDesc]);
|
|
object_info->SequenceNumber=LE32(&data[PTP_oi_SequenceNumber]);
|
|
PTP_GetString(object_info->Filename, &data[PTP_oi_filenamelen], &filenamelen);
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief PTP_GetObjectPropDesc
|
|
* Gets objectInfo and fills object_info structure.
|
|
* @param phost: Host handle
|
|
* @param opd: object prop descriptor structure
|
|
* @retval None
|
|
*/
|
|
static void PTP_GetObjectPropDesc (USBH_HandleTypeDef *phost, PTP_ObjectPropDescTypeDef *opd, uint32_t opdlen)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
uint8_t *data = MTP_Handle->ptp.data_container.payload.data;
|
|
uint32_t offset = 0, i;
|
|
|
|
opd->ObjectPropertyCode=LE16(&data[PTP_opd_ObjectPropertyCode]);
|
|
opd->DataType=LE16(&data[PTP_opd_DataType]);
|
|
opd->GetSet=*(uint8_t *)(&data[PTP_opd_GetSet]);
|
|
|
|
offset = PTP_opd_FactoryDefaultValue;
|
|
PTP_GetDevicePropValue (phost, &offset, opdlen, &opd->FactoryDefaultValue, opd->DataType);
|
|
|
|
opd->GroupCode=LE32(&data[offset]);
|
|
offset+=sizeof(uint32_t);
|
|
|
|
opd->FormFlag=*(uint8_t *)(&data[offset]);
|
|
offset+=sizeof(uint8_t);
|
|
|
|
switch (opd->FormFlag)
|
|
{
|
|
case PTP_OPFF_Range:
|
|
PTP_GetDevicePropValue(phost, &offset, opdlen, &opd->FORM.Range.MinimumValue, opd->DataType);
|
|
PTP_GetDevicePropValue(phost, &offset, opdlen, &opd->FORM.Range.MaximumValue, opd->DataType);
|
|
PTP_GetDevicePropValue(phost, &offset, opdlen, &opd->FORM.Range.StepSize, opd->DataType);
|
|
break;
|
|
|
|
case PTP_OPFF_Enumeration:
|
|
|
|
opd->FORM.Enum.NumberOfValues = LE16(&data[offset]);
|
|
offset+=sizeof(uint16_t);
|
|
|
|
for (i=0 ; i < opd->FORM.Enum.NumberOfValues ; i++)
|
|
{
|
|
PTP_GetDevicePropValue(phost, &offset, opdlen, &opd->FORM.Enum.SupportedValue[i], opd->DataType);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief PTP_GetDevicePropValue
|
|
* Gets objectInfo and fills object_info structure.
|
|
* @param phost: Host handle
|
|
* @param opd: object prop descriptor structure
|
|
* @retval None
|
|
*/
|
|
static void PTP_GetDevicePropValue(USBH_HandleTypeDef *phost,
|
|
uint32_t *offset,
|
|
uint32_t total,
|
|
PTP_PropertyValueTypedef* value,
|
|
uint16_t datatype)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
uint8_t *data = MTP_Handle->ptp.data_container.payload.data;
|
|
uint16_t len;
|
|
switch (datatype)
|
|
{
|
|
case PTP_DTC_INT8:
|
|
value->i8 = *(uint8_t *)&(data[*offset]);
|
|
*offset += 1;
|
|
break;
|
|
case PTP_DTC_UINT8:
|
|
value->u8 = *(uint8_t *)&(data[*offset]);
|
|
*offset += 1;
|
|
break;
|
|
case PTP_DTC_INT16:
|
|
|
|
value->i16 = LE16(&(data[*offset]));
|
|
*offset += 2;
|
|
break;
|
|
case PTP_DTC_UINT16:
|
|
value->u16 = LE16(&(data[*offset]));
|
|
*offset += 2;
|
|
break;
|
|
case PTP_DTC_INT32:
|
|
value->i32 = LE32(&(data[*offset]));
|
|
*offset += 4;
|
|
break;
|
|
case PTP_DTC_UINT32:
|
|
value->u32 = LE32(&(data[*offset]));
|
|
*offset += 4;
|
|
break;
|
|
case PTP_DTC_INT64:
|
|
value->i64 = LE64(&(data[*offset]));
|
|
*offset += 8;
|
|
break;
|
|
case PTP_DTC_UINT64:
|
|
value->u64 = LE64(&(data[*offset]));
|
|
*offset += 8;
|
|
break;
|
|
|
|
case PTP_DTC_UINT128:
|
|
*offset += 16;
|
|
break;
|
|
case PTP_DTC_INT128:
|
|
*offset += 16;
|
|
break;
|
|
|
|
case PTP_DTC_STR:
|
|
|
|
PTP_GetString((uint8_t *)value->str, (uint8_t *)&(data[*offset]), &len);
|
|
*offset += len*2+1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief PTP_GetDevicePropValue
|
|
* Gets objectInfo and fills object_info structure.
|
|
* @param phost: Host handle
|
|
* @param opd: object prop descriptor structure
|
|
* @retval None
|
|
*/
|
|
static uint32_t PTP_GetObjectPropList (USBH_HandleTypeDef *phost,
|
|
MTP_PropertiesTypedef *props,
|
|
uint32_t len)
|
|
{
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
uint8_t *data = MTP_Handle->ptp.data_container.payload.data;
|
|
uint32_t prop_count;
|
|
uint32_t offset = 0, i;
|
|
|
|
prop_count = LE32(data);
|
|
|
|
|
|
if (prop_count == 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
data += sizeof(uint32_t);
|
|
len -= sizeof(uint32_t);
|
|
|
|
for (i = 0; i < prop_count; i++)
|
|
{
|
|
if (len <= 0)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
props[i].ObjectHandle = LE32(data);
|
|
data += sizeof(uint32_t);
|
|
len -= sizeof(uint32_t);
|
|
|
|
props[i].property = LE16(data);
|
|
data += sizeof(uint16_t);
|
|
len -= sizeof(uint16_t);
|
|
|
|
props[i].datatype = LE16(data);
|
|
data += sizeof(uint16_t);
|
|
len -= sizeof(uint16_t);
|
|
|
|
offset = 0;
|
|
|
|
PTP_GetDevicePropValue(phost, &offset, len, &props[i].propval, props[i].datatype);
|
|
|
|
data += offset;
|
|
len -= offset;
|
|
}
|
|
|
|
return prop_count;
|
|
}
|
|
|
|
/**
|
|
* @brief PTP_GetString
|
|
* Gets SCII String from.
|
|
* @param str: ascii string
|
|
* @param data: Device info structure
|
|
* @retval None
|
|
*/
|
|
static void PTP_GetString (uint8_t *str, uint8_t* data, uint16_t *len)
|
|
{
|
|
uint16_t strlength;
|
|
uint16_t idx;
|
|
|
|
*len = data[0];
|
|
strlength = 2 * data[0];
|
|
data ++; /* Adjust the offset ignoring the String Len */
|
|
|
|
for (idx = 0; idx < strlength; idx+=2 )
|
|
{
|
|
/* Copy Only the string and ignore the UNICODE ID, hence add the src */
|
|
*str = data[idx];
|
|
str++;
|
|
}
|
|
*str = 0; /* mark end of string */
|
|
}
|
|
|
|
/**
|
|
* @brief PTP_GetString
|
|
* Gets SCII String from.
|
|
* @param str: ascii string
|
|
* @param data: Device info structure
|
|
* @retval None
|
|
*/
|
|
|
|
static uint32_t PTP_GetArray16 (uint16_t *array, uint8_t *data, uint32_t offset)
|
|
{
|
|
uint32_t size, idx = 0;
|
|
|
|
size=LE32(&data[offset]);
|
|
while (size > idx)
|
|
{
|
|
array[idx] = LE16(&data[offset+(sizeof(uint16_t)*(idx+2))]);
|
|
idx++;
|
|
}
|
|
return size;
|
|
}
|
|
|
|
/**
|
|
* @brief PTP_GetString
|
|
* Gets SCII String from.
|
|
* @param str: ascii string
|
|
* @param data: Device info structure
|
|
* @retval None
|
|
*/
|
|
|
|
static uint32_t PTP_GetArray32 (uint32_t *array, uint8_t *data, uint32_t offset)
|
|
{
|
|
uint32_t size, idx = 0;
|
|
|
|
size=LE32(&data[offset]);
|
|
while (size > idx)
|
|
{
|
|
array[idx] = LE32(&data[offset+(sizeof(uint32_t)*(idx+1))]);
|
|
idx++;
|
|
}
|
|
return size;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
|
|
PTP Requests
|
|
|
|
*******************************************************************************/
|
|
/**
|
|
* @brief USBH_PTP_OpenSession
|
|
* Open a new session
|
|
* @param phost: Host handle
|
|
* @param session: Session ID (MUST BE > 0)
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_OpenSession (USBH_HandleTypeDef *phost, uint32_t session)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Init session params */
|
|
MTP_Handle->ptp.transaction_id = 0x00000000;
|
|
MTP_Handle->ptp.session_id = session;
|
|
MTP_Handle->ptp.flags = PTP_DP_NODATA;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_OpenSession;
|
|
ptp_container.SessionID = session;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = session;
|
|
ptp_container.Nparam = 1;
|
|
|
|
/* convert request packet inti USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetDevicePropDesc
|
|
* Gets object partially
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetDevicePropDesc (USBH_HandleTypeDef *phost,
|
|
uint16_t propcode,
|
|
PTP_DevicePropDescTypdef* devicepropertydesc)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
uint8_t *data = MTP_Handle->ptp.data_container.payload.data;
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetDevicePropDesc;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = propcode;
|
|
ptp_container.Nparam = 1;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
devicepropertydesc->DevicePropertyCode = LE16(&data[PTP_dpd_DevicePropertyCode]);
|
|
devicepropertydesc->DataType = LE16(&data[PTP_dpd_DataType]);
|
|
devicepropertydesc->GetSet = *(uint8_t *)(&data[PTP_dpd_GetSet]);
|
|
devicepropertydesc->FormFlag = PTP_DPFF_None;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
/**
|
|
* @brief USBH_PTP_GetDeviceInfo
|
|
* Gets device info dataset and fills deviceinfo structure.
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetDeviceInfo (USBH_HandleTypeDef *phost, PTP_DeviceInfoTypedef *dev_info)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetDeviceInfo;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Nparam = 0;
|
|
|
|
/* convert request packet inti USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
PTP_DecodeDeviceInfo (phost, dev_info);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetStorageIds
|
|
* Gets device info dataset and fills deviceinfo structure.
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetStorageIds (USBH_HandleTypeDef *phost, PTP_StorageIDsTypedef *storage_ids)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetStorageIDs;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Nparam = 0;
|
|
|
|
/* convert request packet inti USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
PTP_GetStorageIDs (phost, storage_ids);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetDeviceInfo
|
|
* Gets device info dataset and fills deviceinfo structure.
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetStorageInfo (USBH_HandleTypeDef *phost, uint32_t storage_id, PTP_StorageInfoTypedef *storage_info)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetStorageInfo;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = storage_id;
|
|
ptp_container.Nparam = 1;
|
|
|
|
/* convert request packet inti USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
PTP_GetStorageInfo (phost, storage_id, storage_info);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetNumObjects
|
|
* Gets device info dataset and fills deviceinfo structure.
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetNumObjects (USBH_HandleTypeDef *phost,
|
|
uint32_t storage_id,
|
|
uint32_t objectformatcode,
|
|
uint32_t associationOH,
|
|
uint32_t* numobs)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_NODATA;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetNumObjects;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = storage_id;
|
|
ptp_container.Param2 = objectformatcode;
|
|
ptp_container.Param3 = associationOH;
|
|
ptp_container.Nparam = 3;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
*numobs = MTP_Handle->ptp.resp_container.param1;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetObjectHandles
|
|
* Gets device info dataset and fills deviceinfo structure.
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetObjectHandles (USBH_HandleTypeDef *phost,
|
|
uint32_t storage_id,
|
|
uint32_t objectformatcode,
|
|
uint32_t associationOH,
|
|
PTP_ObjectHandlesTypedef* objecthandles)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetObjectHandles;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = storage_id;
|
|
ptp_container.Param2 = objectformatcode;
|
|
ptp_container.Param3 = associationOH;
|
|
ptp_container.Nparam = 3;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
objecthandles->n = PTP_GetArray32 (objecthandles->Handler,
|
|
MTP_Handle->ptp.data_container.payload.data,
|
|
0);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetObjectInfo
|
|
* Gets objert info
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetObjectInfo (USBH_HandleTypeDef *phost,
|
|
uint32_t handle,
|
|
PTP_ObjectInfoTypedef* object_info)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetObjectInfo;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = handle;
|
|
ptp_container.Nparam = 1;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
PTP_GetObjectInfo (phost, object_info);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_DeleteObject
|
|
* Delete an object.
|
|
* @param phost: Host handle
|
|
* @param handle : Object Handle
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_DeleteObject (USBH_HandleTypeDef *phost,
|
|
uint32_t handle,
|
|
uint32_t objectformatcode)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_NODATA;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_DeleteObject;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = handle;
|
|
ptp_container.Param2 = objectformatcode;
|
|
ptp_container.Nparam = 2;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetObject
|
|
* Gets object
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetObject (USBH_HandleTypeDef *phost,
|
|
uint32_t handle,
|
|
uint8_t *object)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* set object control params */
|
|
MTP_Handle->ptp.object_ptr = object;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetObject;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = handle;
|
|
ptp_container.Nparam = 1;
|
|
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
/* first packet is in the PTP data payload buffer */
|
|
if(MTP_Handle->ptp.iteration == 0)
|
|
{
|
|
/* copy it to object */
|
|
USBH_memcpy(MTP_Handle->ptp.object_ptr, MTP_Handle->ptp.data_container.payload.data, PTP_USB_BULK_PAYLOAD_LEN_READ);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetPartialObject
|
|
* Gets object partially
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetPartialObject(USBH_HandleTypeDef *phost,
|
|
uint32_t handle,
|
|
uint32_t offset,
|
|
uint32_t maxbytes,
|
|
uint8_t *object,
|
|
uint32_t *len)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* set object control params */
|
|
MTP_Handle->ptp.object_ptr = object;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetPartialObject;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = handle;
|
|
ptp_container.Param2 = offset;
|
|
ptp_container.Param3 = maxbytes;
|
|
ptp_container.Nparam = 3;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
*len = MTP_Handle->ptp.resp_container.param1;
|
|
/* first packet is in the PTP data payload buffer */
|
|
if(MTP_Handle->ptp.iteration == 0)
|
|
{
|
|
/* copy it to object */
|
|
USBH_memcpy(MTP_Handle->ptp.object_ptr, MTP_Handle->ptp.data_container.payload.data, *len);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetObjectPropsSupported
|
|
* Gets object partially
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetObjectPropsSupported (USBH_HandleTypeDef *phost,
|
|
uint16_t ofc,
|
|
uint32_t *propnum,
|
|
uint16_t *props)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetObjectPropsSupported;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = ofc;
|
|
ptp_container.Nparam = 1;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
*propnum = PTP_GetArray16 (props, MTP_Handle->ptp.data_container.payload.data, 0);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetObjectPropDesc
|
|
* Gets object partially
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetObjectPropDesc (USBH_HandleTypeDef *phost,
|
|
uint16_t opc,
|
|
uint16_t ofc,
|
|
PTP_ObjectPropDescTypeDef *opd)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetObjectPropDesc;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = opc;
|
|
ptp_container.Param2 = ofc;
|
|
ptp_container.Nparam = 2;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
PTP_GetObjectPropDesc(phost, opd, MTP_Handle->ptp.data_length);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_GetObjectPropList
|
|
* Gets object partially
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_GetObjectPropList (USBH_HandleTypeDef *phost,
|
|
uint32_t handle,
|
|
MTP_PropertiesTypedef *pprops,
|
|
uint32_t *nrofprops)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_GETDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_length = 0;
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
|
|
/* copy first packet of the object into data container */
|
|
USBH_memcpy(MTP_Handle->ptp.data_container.payload.data, MTP_Handle->ptp.object_ptr, PTP_USB_BULK_PAYLOAD_LEN_READ);
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_GetObjPropList;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Param1 = handle;
|
|
ptp_container.Param2 = 0x00000000U; /* 0x00000000U should be "all formats" */
|
|
ptp_container.Param3 = 0xFFFFFFFFU; /* 0xFFFFFFFFU should be "all properties" */
|
|
ptp_container.Param4 = 0x00000000U;
|
|
ptp_container.Param5 = 0xFFFFFFFFU; /* Return full tree below the Param1 handle */
|
|
ptp_container.Nparam = 5;
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
|
|
if(status == USBH_OK)
|
|
{
|
|
PTP_GetObjectPropList (phost, pprops, MTP_Handle->ptp.data_length);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief USBH_PTP_SendObject
|
|
* Send an object
|
|
* @param phost: Host handle
|
|
* @param dev_info: Device info structure
|
|
* @retval USBH Status
|
|
*/
|
|
USBH_StatusTypeDef USBH_PTP_SendObject (USBH_HandleTypeDef *phost,
|
|
uint32_t handle,
|
|
uint8_t *object,
|
|
uint32_t size)
|
|
{
|
|
USBH_StatusTypeDef status = USBH_BUSY;
|
|
MTP_HandleTypeDef *MTP_Handle = phost->pActiveClass->pData;
|
|
PTP_ContainerTypedef ptp_container;
|
|
|
|
switch(MTP_Handle->ptp.req_state)
|
|
{
|
|
case PTP_REQ_SEND:
|
|
|
|
/* Set operation request type */
|
|
MTP_Handle->ptp.flags = PTP_DP_SENDDATA;
|
|
MTP_Handle->ptp.data_ptr = (uint8_t *)&(MTP_Handle->ptp.data_container);
|
|
MTP_Handle->ptp.data_packet_counter = 0;
|
|
MTP_Handle->ptp.data_packet = 0;
|
|
MTP_Handle->ptp.iteration = 0;
|
|
|
|
/* set object control params */
|
|
MTP_Handle->ptp.object_ptr = object;
|
|
MTP_Handle->ptp.data_length = size;
|
|
|
|
/* Fill operation request params */
|
|
ptp_container.Code = PTP_OC_SendObject;
|
|
ptp_container.SessionID = MTP_Handle->ptp.session_id;
|
|
ptp_container.Transaction_ID = MTP_Handle->ptp.transaction_id ++;
|
|
ptp_container.Nparam = 0;
|
|
|
|
|
|
/* convert request packet into USB raw packet*/
|
|
USBH_PTP_SendRequest (phost, &ptp_container);
|
|
|
|
/* Setup State machine and start transfer */
|
|
MTP_Handle->ptp.state = PTP_OP_REQUEST_STATE;
|
|
MTP_Handle->ptp.req_state = PTP_REQ_WAIT;
|
|
status = USBH_BUSY;
|
|
break;
|
|
|
|
case PTP_REQ_WAIT:
|
|
status = USBH_PTP_Process(phost);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return status;
|
|
}
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
|
|
|
|
|
|