int msusb_msinterface_write(MSUSB_INTERFACE_DESCRIPTOR* MsInterface, BYTE* data, int* offset)
{
MSUSB_PIPE_DESCRIPTOR ** MsPipes;
MSUSB_PIPE_DESCRIPTOR * MsPipe;
int pnum = 0, move = 0;
/* Length */
data_write_UINT16(data, MsInterface->Length);
/* InterfaceNumber */
data_write_BYTE(data + 2, MsInterface->InterfaceNumber);
/* AlternateSetting */
data_write_BYTE(data + 3, MsInterface->AlternateSetting);
/* bInterfaceClass */
data_write_BYTE(data + 4, MsInterface->bInterfaceClass);
/* bInterfaceSubClass */
data_write_BYTE(data + 5, MsInterface->bInterfaceSubClass);
/* bInterfaceProtocol */
data_write_BYTE(data + 6, MsInterface->bInterfaceProtocol);
/* Padding */
data_write_BYTE(data + 7, 0);
/* InterfaceHandle */
data_write_UINT32(data + 8, MsInterface->InterfaceHandle);
/* NumberOfPipes */
data_write_UINT32(data + 12, MsInterface->NumberOfPipes);
move += 16;
/* Pipes */
MsPipes = MsInterface->MsPipes;
for(pnum = 0; pnum < MsInterface->NumberOfPipes; pnum++)
{
MsPipe = MsPipes[pnum];
/* MaximumPacketSize */
data_write_UINT16(data + move, MsPipe->MaximumPacketSize);
/* EndpointAddress */
data_write_BYTE(data + move + 2, MsPipe->bEndpointAddress);
/* Interval */
data_write_BYTE(data + move + 3, MsPipe->bInterval);
/* PipeType */
data_write_UINT32(data + move + 4, MsPipe->PipeType);
/* PipeHandle */
data_write_UINT32(data + move + 8, MsPipe->PipeHandle);
/* MaximumTransferSize */
data_write_UINT32(data + move + 12, MsPipe->MaximumTransferSize);
/* PipeFlags */
data_write_UINT32(data + move + 16, MsPipe->PipeFlags);
move += 20;
}
*offset += move;
return 0;
}
static int fun_device_string_send_set(char* out_data, int out_offset, char* str)
{
int i = 0;
int offset = 0;
while (str[i])
{
data_write_UINT16(out_data + out_offset + offset, str[i]); /* str */
i++;
offset += 2;
}
data_write_UINT16(out_data + out_offset + offset, 0x0000); /* add "\0" */
offset += 2;
return offset + out_offset;
}