uint8_t PTP_Transaction(uint16_t opCode, uint8_t receive_data, uint8_t paramCount, uint32_t *params, uint8_t dataBytes, uint8_t *data)
{
if(PTP_Error) return PTP_RETURN_ERROR;
if(PTP_Bytes_Remaining > 0) return PTP_FetchData(0);
uint8_t err;
PTP_Run_Task = 0; // Pause task while we're busy with the transaction
if(paramCount > 0 && params)
err = SI_Host_SendCommand(&DigitalCamera_SI_Interface, CPU_TO_LE16(opCode), paramCount, params);
else
err = SI_Host_SendCommand(&DigitalCamera_SI_Interface, CPU_TO_LE16(opCode), 0, NULL);
if(!err && dataBytes > 0 && data) // send data
{
DigitalCamera_SI_Interface.State.TransactionID--;
PIMA_Block = (PIMA_Container_t)
{
.DataLength = CPU_TO_LE32(PIMA_DATA_SIZE(dataBytes)),
.Type = CPU_TO_LE16(PIMA_CONTAINER_DataBlock),
.Code = CPU_TO_LE16(opCode)
};
memcpy(&PIMA_Block.Params, data, dataBytes);
err = SI_Host_SendBlockHeader(&DigitalCamera_SI_Interface, &PIMA_Block);
}
uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
uint8_t ErrorCode;
SIInterfaceInfo->State.TransactionID = 0;
SIInterfaceInfo->State.IsSessionOpen = false;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = PIMA_COMMAND_SIZE(1),
.Type = PIMA_CONTAINER_CommandBlock,
.Code = 0x1002,
.Params = {1},
};
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((PIMABlock.Type != PIMA_CONTAINER_ResponseBlock) || (PIMABlock.Code != 0x2001))
return SI_ERROR_LOGICAL_CMD_FAILED;
SIInterfaceInfo->State.IsSessionOpen = true;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
uint8_t ErrorCode;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = PIMA_COMMAND_SIZE(1),
.Type = PIMA_CONTAINER_CommandBlock,
.Code = 0x1003,
.Params = {1},
};
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
SIInterfaceInfo->State.IsSessionOpen = false;
if ((PIMABlock.Type != PIMA_CONTAINER_ResponseBlock) || (PIMABlock.Code != 0x2001))
return SI_ERROR_LOGICAL_CMD_FAILED;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
const uint16_t Operation,
const uint8_t TotalParams,
uint32_t* const Params)
{
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
uint8_t ErrorCode;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = PIMA_COMMAND_SIZE(TotalParams),
.Type = PIMA_CONTAINER_CommandBlock,
.Code = Operation,
};
memcpy(&PIMABlock.Params, Params, sizeof(uint32_t) * TotalParams);
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
uint8_t ErrorCode;
PIMA_Container_t PIMABlock;
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((PIMABlock.Type != PIMA_CONTAINER_ResponseBlock) || (PIMABlock.Code != 0x2001))
return SI_ERROR_LOGICAL_CMD_FAILED;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
uint8_t portnum = SIInterfaceInfo->Config.PortNumber;
if ((USB_HostState[portnum] != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
uint8_t ErrorCode;
SIInterfaceInfo->State.TransactionID = 0;
SIInterfaceInfo->State.IsSessionOpen = false;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = CPU_TO_LE32(PIMA_COMMAND_SIZE(1)),
.Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
.Code = CPU_TO_LE16(0x1002),
.Params = {CPU_TO_LE32(1)},
};
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001)))
return SI_ERROR_LOGICAL_CMD_FAILED;
SIInterfaceInfo->State.IsSessionOpen = true;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
uint8_t portnum = SIInterfaceInfo->Config.PortNumber;
if ((USB_HostState[portnum] != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
uint8_t ErrorCode;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = CPU_TO_LE32(PIMA_COMMAND_SIZE(1)),
.Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
.Code = CPU_TO_LE16(0x1003),
.Params = {CPU_TO_LE32(1)},
};
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
SIInterfaceInfo->State.IsSessionOpen = false;
if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001)))
return SI_ERROR_LOGICAL_CMD_FAILED;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
const uint16_t Operation,
const uint8_t TotalParams,
uint32_t* const Params)
{
uint8_t portnum = SIInterfaceInfo->Config.PortNumber;
if ((USB_HostState[portnum] != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
uint8_t ErrorCode;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = cpu_to_le32(PIMA_COMMAND_SIZE(TotalParams)),
.Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
.Code = cpu_to_le16(Operation),
};
memcpy(&PIMABlock.Params, Params, sizeof(uint32_t) * TotalParams);
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
return PIPE_RWSTREAM_NoError;
}
