STM32F103c8T6 USB Virtual COM Port

[esg]

Posted on February 05, 2013 at 10:27

Hello,

i am newbe to STM32.and i am using STM32F103C8T6.i have added the USB Lybrary to my code and it was compilled successfully by the gcc compiler(arm-none-eabi).here when i connected my board to PC with USB i am getting ''Unrecognised device''.is there any thing i need to add code after the ''pProperty->Init();'' function call in the USB_Init() function.I also connected a 1.5K pull up at D+ of USB.please help me out someone.

void USB_Init(void)

{

  pInformation = &Device_Info;

  pInformation->ControlState = 2;

  pProperty = &Device_Property;

  pUser_Standard_Requests = &User_Standard_Requests;

  /* Initialize devices one by one */

  pProperty->Init();

?????????stuck here to add code

}