usb_endp.c

基于ＳＴ ＡＲＭ处理器的ＵＳＢ通信的演示

/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name          : main.c
* Author             : wuyuhuai
* Date First Issued  : 4/40/2008 : V1.0
* Description        : str training demo main file
********************************************************************************
* History:
* 10/01/2006 : V1.0
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"

#include "memory.h"
#include "hw_config.h"
#include "tim.h"
#include "usb_init.h"
u8 Interrupt_num=0;
extern bool Flag_main;
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
u8 Bulk_Out_Data_Buff[BULK_MAX_PACKET_SIZE];  // data buffer

u8 Bulk_In_Data_Buff[BULK_MAX_PACKET_SIZE];
u32 Data_Len;           // data length

/* Private function prototypes -----------------------------------------------*/
void Send_Data(u8* Data_Address,u16 Data_Length);

/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name  : EP1_IN_Callback
* Description    :
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void EP1_IN_Callback(void)
{

}
/*******************************************************************************
* Function Name  : EP2_OUT_Callback
* Description    :
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void EP2_OUT_Callback(void)
{
    if(GetENDPOINT(ENDP2)&EP_DTOG_TX)
    {
       Data_Len = GetEPDblBuf0Count(ENDP2);
       PMAToUserBufferCopy(Bulk_Out_Data_Buff, ENDP2_BUF0Addr, Data_Len);

     }
     else
     {
          Data_Len = GetEPDblBuf1Count(ENDP2);
          PMAToUserBufferCopy(Bulk_Out_Data_Buff, ENDP2_BUF0Addr, Data_Len);
     }
      FreeUserBuffer(ENDP2,EP_DBUF_OUT);
      Flag_main=TRUE;


}
/*******************************************************************************
* Function Name  : Send_Data
* Description    :
* Input          :
*      u8* Data_Address : point to the data to send.
*      u16 Data_Length : the nember of Bytes to send.
* Output         : None.
* Return         : None.
*******************************************************************************/


void Send_Data(u8* Data_Address,u16 Data_Length)
{
  u32 Endpoint_DTOG_Status = GetENDPOINT(ENDP1) & EP_DTOG_RX;

  SetEPDblBuffCount(ENDP1, EP_DBUF_IN, Data_Length);

  if (!Endpoint_DTOG_Status)
  {
    UserToPMABufferCopy(Data_Address, ENDP1_BUF0Addr,Data_Length);
  }
  else
  {
    UserToPMABufferCopy(Data_Address, ENDP1_BUF1Addr,Data_Length);
  }
  FreeUserBuffer(ENDP1, EP_DBUF_IN);
}

/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/