usb_prop.c

usb+源代码

/******************** (C) COPYRIGHT 2009 STMicroelectronics ********************
* File Name          : usb_prop.c
* Author             : MCD Application Team
* Version            : V3.0.1
* Date               : 04/27/2009
* Description        : All processing related to Virtual Com Port Demo
********************************************************************************
* THE PRESENT FIRMWARE 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 FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "usb_conf.h"
#include "usb_prop.h"
#include "usb_desc.h"
#include "usb_pwr.h"
#include "hw_config.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint8_t Request = 0;

LINE_CODING linecoding =
  {
    115200, /* baud rate*/
    0x00,   /* stop bits-1*/
    0x00,   /* parity - none*/
    0x08    /* no. of bits 8*/
  };

/* -------------------------------------------------------------------------- */
/*  Structures initializations */
/* -------------------------------------------------------------------------- */

DEVICE Device_Table =
  {
    EP_NUM,
    1
  };

DEVICE_PROP Device_Property =
  {
    Virtual_Com_Port_init,
    Virtual_Com_Port_Reset,
    Virtual_Com_Port_Status_In,
    Virtual_Com_Port_Status_Out,
    Virtual_Com_Port_Data_Setup,
    Virtual_Com_Port_NoData_Setup,
    Virtual_Com_Port_Get_Interface_Setting,
    Virtual_Com_Port_GetDeviceDescriptor,
    Virtual_Com_Port_GetConfigDescriptor,
    Virtual_Com_Port_GetStringDescriptor,
    0,
    0x40 /*MAX PACKET SIZE*/
  };

USER_STANDARD_REQUESTS User_Standard_Requests =
  {
    Virtual_Com_Port_GetConfiguration,
    Virtual_Com_Port_SetConfiguration,
    Virtual_Com_Port_GetInterface,
    Virtual_Com_Port_SetInterface,
    Virtual_Com_Port_GetStatus,
    Virtual_Com_Port_ClearFeature,
    Virtual_Com_Port_SetEndPointFeature,
    Virtual_Com_Port_SetDeviceFeature,
    Virtual_Com_Port_SetDeviceAddress
  };

ONE_DESCRIPTOR Device_Descriptor =
  {
    (uint8_t*)Virtual_Com_Port_DeviceDescriptor,
    VIRTUAL_COM_PORT_SIZ_DEVICE_DESC
  };

ONE_DESCRIPTOR Config_Descriptor =
  {
    (uint8_t*)Virtual_Com_Port_ConfigDescriptor,
    VIRTUAL_COM_PORT_SIZ_CONFIG_DESC
  };

ONE_DESCRIPTOR String_Descriptor[4] =
  {
    {(uint8_t*)Virtual_Com_Port_StringLangID, VIRTUAL_COM_PORT_SIZ_STRING_LANGID},
    {(uint8_t*)Virtual_Com_Port_StringVendor, VIRTUAL_COM_PORT_SIZ_STRING_VENDOR},
    {(uint8_t*)Virtual_Com_Port_StringProduct, VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT},
    {(uint8_t*)Virtual_Com_Port_StringSerial, VIRTUAL_COM_PORT_SIZ_STRING_SERIAL}
  };

/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Extern function prototypes ------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name  : Virtual_Com_Port_init.
* Description    : Virtual COM Port Mouse init routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Virtual_Com_Port_init(void)
{

  /* Update the serial number string descriptor with the data from the unique
  ID*/
  Get_SerialNum();

  pInformation->Current_Configuration = 0;

  /* Connect the device */
  PowerOn();
  /* USB interrupts initialization */
  /* clear pending interrupts */
  _SetISTR(0);
  wInterrupt_Mask = IMR_MSK;
  /* set interrupts mask */
  _SetCNTR(wInterrupt_Mask);

  /* configure the USART 1 to the default settings */
  //USART_Config_Default();

  bDeviceState = UNCONNECTED;
}

/*******************************************************************************
* Function Name  : Virtual_Com_Port_Reset
* Description    : Virtual_Com_Port Mouse reset routine
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void Virtual_Com_Port_Reset(void)
{
  /* Set Virtual_Com_Port DEVICE as not configured */
  pInformation->Current_Configuration = 0;

  /* Current Feature initialization */
  pInformation->Current_Feature = Virtual_Com_Port_ConfigDescriptor[7];

  /* Set Virtual_Com_Port DEVICE with the default Interface*/
  pInformation->Current_Interface = 0;
  SetBTABLE(BASEADDR_BTABLE);

  /* Initialize Endpoint 0 */
  SetEPType(ENDP0, EP_CONTROL);
  SetEPTxStatus(ENDP0, EP_TX_STALL);
  SetEPRxAddr(ENDP0, ENDP0_RXADDR);
  SetEPTxAddr(ENDP0, ENDP0_TXADDR);
  Clear_Status_Out(ENDP0);
  SetEPRxCount(ENDP0, Device_Property.MaxPacketSize);
  SetEPRxValid(ENDP0);

#if 0
  /* Initialize Endpoint 1 */
  SetEPType(ENDP1, EP_INTERRUPT);
  SetEPTxStatus(ENDP1, EP_TX_STALL);  
  SetEPRxAddr(ENDP1, ENDP1_RXADDR);
  SetEPTxAddr(ENDP1, ENDP1_TXADDR);
  SetEPTxCount(ENDP1, VIRTUAL_COM_PORT_INT_SIZE);
  SetEPRxCount(ENDP1, VIRTUAL_COM_PORT_INT_SIZE);
  SetEPRxValid(ENDP1);

  /* Initialize Endpoint 2 */
  SetEPType(ENDP2, EP_BULK);
  SetEPTxStatus(ENDP2, EP_TX_STALL);  
  SetEPRxAddr(ENDP2, ENDP2_RXADDR);  
  SetEPTxAddr(ENDP2, ENDP2_TXADDR);
  SetEPRxCount(ENDP2, VIRTUAL_COM_PORT_DATA_SIZE);
  SetEPTxCount(ENDP2, VIRTUAL_COM_PORT_DATA_SIZE);
  SetEPRxValid(ENDP2);

  /* Initialize Endpoint 3 */
  SetEPType(ENDP3, EP_BULK);
  SetEPTxStatus(ENDP3, EP_TX_STALL); 
  SetEPRxAddr(ENDP3, ENDP3_RXADDR);
  SetEPTxAddr(ENDP3, ENDP3_TXADDR);
  SetEPRxCount(ENDP3, VIRTUAL_COM_PORT_DATA_SIZE);
  SetEPTxCount(ENDP3, VIRTUAL_COM_PORT_DATA_SIZE);
  SetEPRxValid(ENDP3);
#else

  /* Initialize Endpoint 1 */
  SetEPType(ENDP1, EP_INTERRUPT);
  SetEPTxStatus(ENDP1, EP_TX_STALL);  
  SetEPRxAddr(ENDP1, ENDP1_RXADDR);
  SetEPTxAddr(ENDP1, ENDP1_TXADDR);
  SetEPTxCount(ENDP1, 16);
  SetEPRxCount(ENDP1, 16);
  SetEPRxValid(ENDP1);


#if 1


  /* Initialize Endpoint 2 */
  SetEPType(ENDP2, EP_BULK);
  SetEPTxStatus(ENDP2, EP_TX_NAK);
  SetEPTxAddr(ENDP2, ENDP2_TXADDR);
  SetEPRxStatus(ENDP2, EP_RX_DIS); 

  /* Initialize Endpoint 3 */
  SetEPType(ENDP3, EP_BULK);
  SetEPRxAddr(ENDP3, ENDP3_RXADDR);
  SetEPRxCount(ENDP3, VIRTUAL_COM_PORT_DATA_SIZE);
  SetEPRxStatus(ENDP3, EP_RX_VALID);
  SetEPTxStatus(ENDP3, EP_TX_DIS);


#else

  /* Initialize Endpoint 2 */
  SetEPType(ENDP2, EP_BULK);
  SetEPTxAddr(ENDP2, ENDP2_TXADDR);
  SetEPTxCount(ENDP2, VIRTUAL_COM_PORT_INT_SIZE);	//test

  SetEPRxStatus(ENDP2, EP_RX_DIS); //设置端点接收有效
  SetEPTxStatus(ENDP2, EP_TX_VALID); //端点关闭发送


  /* Initialize Endpoint 2 */
  SetEPType(ENDP3, EP_BULK);			//设置端点1 传输模式批量传输
  SetEPRxAddr(ENDP3, ENDP3_RXADDR);  
  //SetEPTxAddr(ENDP2, ENDP2_TXADDR);	//缓冲区基地址(IN 发
  SetEPRxCount(ENDP3, VIRTUAL_COM_PORT_DATA_SIZE);
  //SetEPTxCount(ENDP2, VIRTUAL_COM_PORT_DATA_SIZE);	//配置Tx 缓冲计数器
  SetEPTxStatus(ENDP3, EP_TX_DIS);  //设置端点发送有效
  SetEPRxStatus(ENDP3, EP_RX_VALID); //设置端点接收关闭
  //SetEPRxValid(ENDP2);