/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
* File Name          : usb_prop.c
* Author             : MCD Application Team
* Version            : V3.2.1
* Date               : 07/05/2010
* Description        : All processings related to Custom HID 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 "stm32f10x.h"
#include "usb_lib.h"
#include "usb_conf.h"
#include "pios.h"
#include "pios_usb_hid_prop.h"
#include "pios_usb_hid_desc.h"
#include "pios_usb_hid_pwr.h"
#include "pios_usb_hid.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint32_t ProtocolValue;
__IO uint8_t EXTI_Enable;

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

DEVICE Device_Table =
  {
    EP_NUM,
    1
  };

DEVICE_PROP Device_Property =
  {
    PIOS_HID_init,
    PIOS_HID_Reset,
    PIOS_HID_Status_In,
    PIOS_HID_Status_Out,
    PIOS_HID_Data_Setup,
    PIOS_HID_NoData_Setup,
    PIOS_HID_Get_Interface_Setting,
    PIOS_HID_GetDeviceDescriptor,
    PIOS_HID_GetConfigDescriptor,
    PIOS_HID_GetStringDescriptor,
    0,
    0x40 /*MAX PACKET SIZE*/
  };
USER_STANDARD_REQUESTS User_Standard_Requests =
  {
    PIOS_HID_GetConfiguration,
    PIOS_HID_SetConfiguration,
    PIOS_HID_GetInterface,
    PIOS_HID_SetInterface,
    PIOS_HID_GetStatus,
    PIOS_HID_ClearFeature,
    PIOS_HID_SetEndPointFeature,
    PIOS_HID_SetDeviceFeature,
    PIOS_HID_SetDeviceAddress
  };

ONE_DESCRIPTOR Device_Descriptor =
  {
    (uint8_t*)PIOS_HID_DeviceDescriptor,
    PIOS_HID_SIZ_DEVICE_DESC
  };

ONE_DESCRIPTOR Config_Descriptor =
  {
    (uint8_t*)PIOS_HID_ConfigDescriptor,
    PIOS_HID_SIZ_CONFIG_DESC
  };

ONE_DESCRIPTOR PIOS_HID_Report_Descriptor =
  {
    (uint8_t *)PIOS_HID_ReportDescriptor,
    PIOS_HID_SIZ_REPORT_DESC
  };

ONE_DESCRIPTOR PIOS_HID_Hid_Descriptor =
  {
    (uint8_t*)PIOS_HID_ConfigDescriptor + PIOS_HID_OFF_HID_DESC,
    PIOS_HID_SIZ_HID_DESC
  };

ONE_DESCRIPTOR String_Descriptor[4] =
  {
    {(uint8_t*)PIOS_HID_StringLangID, PIOS_HID_SIZ_STRING_LANGID},
    {(uint8_t*)PIOS_HID_StringVendor, PIOS_HID_SIZ_STRING_VENDOR},
    {(uint8_t*)PIOS_HID_StringProduct, PIOS_HID_SIZ_STRING_PRODUCT},
    {(uint8_t*)PIOS_HID_StringSerial, PIOS_HID_SIZ_STRING_SERIAL}
  };

/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Extern function prototypes ------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/*******************************************************************************
* Function Name  : PIOS_HID_init.
* Description    : Custom HID init routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void PIOS_HID_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();

  /* Perform basic device initialization operations */
  USB_SIL_Init();

  bDeviceState = UNCONNECTED;
}

/*******************************************************************************
* Function Name  : PIOS_HID_Reset.
* Description    : Custom HID reset routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void PIOS_HID_Reset(void)
{
  /* Set Joystick_DEVICE as not configured */
  pInformation->Current_Configuration = 0;
  pInformation->Current_Interface = 0;/*the default Interface*/
  
  /* Current Feature initialization */
  pInformation->Current_Feature = PIOS_HID_ConfigDescriptor[7];
  
#ifdef STM32F10X_CL   
  /* EP0 is already configured in DFU_Init() by USB_SIL_Init() function */
  
  /* Init EP1 IN as Interrupt endpoint */
  OTG_DEV_EP_Init(EP1_IN, OTG_DEV_EP_TYPE_INT, 2);
  
  /* Init EP1 OUT as Interrupt endpoint */
  OTG_DEV_EP_Init(EP1_OUT, OTG_DEV_EP_TYPE_INT, 2);
#else 
  SetBTABLE(BTABLE_ADDRESS);

  /* 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);

  /* Initialize Endpoint 1 */
  SetEPType(ENDP1, EP_INTERRUPT);
  SetEPTxAddr(ENDP1, ENDP1_TXADDR);
  SetEPRxAddr(ENDP1, ENDP1_RXADDR);
  SetEPTxCount(ENDP1, PIOS_USB_HID_DATA_LENGTH+2);  /* add two for indicating report id and valid data length */
  SetEPRxCount(ENDP1, PIOS_USB_HID_DATA_LENGTH+2);
  SetEPRxStatus(ENDP1, EP_RX_VALID);
  SetEPTxStatus(ENDP1, EP_TX_NAK);

  /* Set this device to response on default address */
  SetDeviceAddress(0);
#endif /* STM32F10X_CL */

  bDeviceState = ATTACHED;
}
/*******************************************************************************
* Function Name  : PIOS_HID_SetConfiguration.
* Description    : Udpade the device state to configured and command the ADC 
*                  conversion.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void PIOS_HID_SetConfiguration(void)
{
  if (pInformation->Current_Configuration != 0)
  {
    /* Device configured */
    bDeviceState = CONFIGURED;
  }

  /* Enable transfers */
  PIOS_USB_HID_ChangeConnectionState(pInformation->Current_Configuration != 0);
}
/*******************************************************************************
* Function Name  : PIOS_HID_SetConfiguration.
* Description    : Udpade the device state to addressed.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void PIOS_HID_SetDeviceAddress (void)
{
  bDeviceState = ADDRESSED;
}
/*******************************************************************************
* Function Name  : PIOS_HID_Status_In.
* Description    : Joystick status IN routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void PIOS_HID_Status_In(void)
{
}

/*******************************************************************************
* Function Name  : PIOS_HID_Status_Out
* Description    : Joystick status OUT routine.
* Input          : None.
* Output         : None.
* Return         : None.
*******************************************************************************/
void PIOS_HID_Status_Out (void)
{
}

/*******************************************************************************
* Function Name  : PIOS_HID_Data_Setup
* Description    : Handle the data class specific requests.
* Input          : Request Nb.
* Output         : None.
* Return         : USB_UNSUPPORT or USB_SUCCESS.
*******************************************************************************/
RESULT PIOS_HID_Data_Setup(uint8_t RequestNo)
{
  uint8_t *(*CopyRoutine)(uint16_t);

  CopyRoutine = NULL;

  if ((RequestNo == GET_DESCRIPTOR)
      && (Type_Recipient == (STANDARD_REQUEST | INTERFACE_RECIPIENT))
      && (pInformation->USBwIndex0 == 0))
  {

    if (pInformation->USBwValue1 == REPORT_DESCRIPTOR)
    {
      CopyRoutine = PIOS_HID_GetReportDescriptor;
    }
    else if (pInformation->USBwValue1 == HID_DESCRIPTOR_TYPE)
    {
      CopyRoutine = PIOS_HID_GetHIDDescriptor;
    }

  } /* End of GET_DESCRIPTOR */

  /*** GET_PROTOCOL ***/
  else if ((Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT))
           && RequestNo == GET_PROTOCOL)
  {
    CopyRoutine = PIOS_HID_GetProtocolValue;
  }

  if (CopyRoutine == NULL)
  {
    return USB_UNSUPPORT;
  }

  pInformation->Ctrl_Info.CopyData = CopyRoutine;
  pInformation->Ctrl_Info.Usb_wOffset = 0;
  (*CopyRoutine)(0);
  return USB_SUCCESS;
}

/*******************************************************************************
* Function Name  : PIOS_HID_NoData_Setup
* Description    : handle the no data class specific requests
* Input          : Request Nb.
* Output         : None.
* Return         : USB_UNSUPPORT or USB_SUCCESS.
*******************************************************************************/
RESULT PIOS_HID_NoData_Setup(uint8_t RequestNo)
{
  if ((Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT))
      && (RequestNo == SET_PROTOCOL))
  {
    return PIOS_HID_SetProtocol();
  }

  else
  {
    return USB_UNSUPPORT;
  }
}

/*******************************************************************************
* Function Name  : PIOS_HID_GetDeviceDescriptor.
* Description    : Gets the device descriptor.
* Input          : Length
* Output         : None.
* Return         : The address of the device descriptor.
*******************************************************************************/
uint8_t *PIOS_HID_GetDeviceDescriptor(uint16_t Length)
{
  return Standard_GetDescriptorData(Length, &Device_Descriptor);
}

/*******************************************************************************
* Function Name  : PIOS_HID_GetConfigDescriptor.
* Description    : Gets the configuration descriptor.
* Input          : Length
* Output         : None.
* Return         : The address of the configuration descriptor.
*******************************************************************************/
uint8_t *PIOS_HID_GetConfigDescriptor(uint16_t Length)
{
  return Standard_GetDescriptorData(Length, &Config_Descriptor);
}

/*******************************************************************************
* Function Name  : PIOS_HID_GetStringDescriptor
* Description    : Gets the string descriptors according to the needed index
* Input          : Length
* Output         : None.
* Return         : The address of the string descriptors.
*******************************************************************************/
uint8_t *PIOS_HID_GetStringDescriptor(uint16_t Length)
{
  uint8_t wValue0 = pInformation->USBwValue0;
  if (wValue0 > 4)
  {
    return NULL;
  }
  else 
  {
    return Standard_GetDescriptorData(Length, &String_Descriptor[wValue0]);
  }
}

/*******************************************************************************
* Function Name  : PIOS_HID_GetReportDescriptor.
* Description    : Gets the HID report descriptor.
* Input          : Length
* Output         : None.
* Return         : The address of the configuration descriptor.
*******************************************************************************/
uint8_t *PIOS_HID_GetReportDescriptor(uint16_t Length)
{
  return Standard_GetDescriptorData(Length, &PIOS_HID_Report_Descriptor);
}

/*******************************************************************************
* Function Name  : PIOS_HID_GetHIDDescriptor.
* Description    : Gets the HID descriptor.
* Input          : Length
* Output         : None.
* Return         : The address of the configuration descriptor.
*******************************************************************************/
uint8_t *PIOS_HID_GetHIDDescriptor(uint16_t Length)
{
  return Standard_GetDescriptorData(Length, &PIOS_HID_Hid_Descriptor);
}

/*******************************************************************************
* Function Name  : PIOS_HID_Get_Interface_Setting.
* Description    : tests the interface and the alternate setting according to the
*                  supported one.
* Input          : - Interface : interface number.
*                  - AlternateSetting : Alternate Setting number.
* Output         : None.
* Return         : USB_SUCCESS or USB_UNSUPPORT.
*******************************************************************************/
RESULT PIOS_HID_Get_Interface_Setting(uint8_t Interface, uint8_t AlternateSetting)
{
  if (AlternateSetting > 0)
  {
    return USB_UNSUPPORT;
  }
  else if (Interface > 0)
  {
    return USB_UNSUPPORT;
  }
  return USB_SUCCESS;
}

/*******************************************************************************
* Function Name  : PIOS_HID_SetProtocol
* Description    : Joystick Set Protocol request routine.
* Input          : None.
* Output         : None.
* Return         : USB SUCCESS.
*******************************************************************************/
RESULT PIOS_HID_SetProtocol(void)
{
  uint8_t wValue0 = pInformation->USBwValue0;
  ProtocolValue = wValue0;
  return USB_SUCCESS;
}

/*******************************************************************************
* Function Name  : PIOS_HID_GetProtocolValue
* Description    : get the protocol value
* Input          : Length.
* Output         : None.
* Return         : address of the protcol value.
*******************************************************************************/
uint8_t *PIOS_HID_GetProtocolValue(uint16_t Length)
{
  if (Length == 0)
  {
    pInformation->Ctrl_Info.Usb_wLength = 1;
    return NULL;
  }
  else
  {
    return (uint8_t *)(&ProtocolValue);
  }
}

/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/
