/**
  ******************************************************************************
  * @file            : usbh_conf.c
  * @version         : v1.0_Cube
  * @brief           : This file implements the board support package for the USB host library
  ******************************************************************************
  * COPYRIGHT(c) 2015 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  * 1. Redistributions of source code must retain the above copyright notice,
  * this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  * this list of conditions and the following disclaimer in the documentation
  * and/or other materials provided with the distribution.
  * 3. Neither the name of STMicroelectronics nor the names of its contributors
  * may be used to endorse or promote products derived from this software
  * without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  *
  * Modifications by Robert Fisk
  */

/* Includes ------------------------------------------------------------------*/
#include "usbh_core.h"
#include "interrupts.h"


HCD_HandleTypeDef hhcd_USB_OTG_FS;


/*******************************************************************************
                       LL Driver Callbacks (HCD -> USB Host Library)
*******************************************************************************/
/* MSP Init */

void HAL_HCD_MspInit(HCD_HandleTypeDef* hhcd)
{
  GPIO_InitTypeDef GPIO_InitStruct;

  if(hhcd->Instance==USB_OTG_FS)
  {
    /**USB_OTG_FS GPIO Configuration    
    PA11     ------> USB_OTG_FS_DM
    PA12     ------> USB_OTG_FS_DP 
    */
    GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* Peripheral clock enable */
    __USB_OTG_FS_CLK_ENABLE();

    /* Peripheral interrupt init*/
    HAL_NVIC_SetPriority(OTG_FS_IRQn, INT_PRIORITY_OTG_FS, 0);
    HAL_NVIC_EnableIRQ(OTG_FS_IRQn);
  }
}


void HAL_HCD_MspDeInit(HCD_HandleTypeDef* hhcd)
{
  if(hhcd->Instance==USB_OTG_FS)
  {
    /* Peripheral clock disable */
    __USB_OTG_FS_CLK_DISABLE();
  
    /**USB_OTG_FS GPIO Configuration    
    PA9     ------> USB_OTG_FS_VBUS
    PA11     ------> USB_OTG_FS_DM
    PA12     ------> USB_OTG_FS_DP 
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12);

    /* Peripheral interrupt Deinit*/
    HAL_NVIC_DisableIRQ(OTG_FS_IRQn);
  }
}

/**
  * @brief  SOF callback.
  * @param  hhcd: HCD handle
  * @retval None
  */
void HAL_HCD_SOF_Callback(HCD_HandleTypeDef *hhcd)
{
  USBH_LL_IncTimer (hhcd->pData);
}

/**
  * @brief  SOF callback.
  * @param  hhcd: HCD handle
  * @retval None
  */
void HAL_HCD_Connect_Callback(HCD_HandleTypeDef *hhcd)
{
  USBH_LL_Connect(hhcd->pData);
}

/**
  * @brief  SOF callback.
  * @param  hhcd: HCD handle
  * @retval None
  */
void HAL_HCD_Disconnect_Callback(HCD_HandleTypeDef *hhcd)
{
  USBH_LL_Disconnect(hhcd->pData);
} 

/**
  * @brief  Notify URB state change callback.
  * @param  hhcd: HCD handle
  * @retval None
  */
void HAL_HCD_HC_NotifyURBChange_Callback(HCD_HandleTypeDef *hhcd, uint8_t chnum, HCD_URBStateTypeDef urb_state)
{
  /* To be used with OS to sync URB state with the global state machine */
#if (USBH_USE_OS == 1)   
  USBH_LL_NotifyURBChange(hhcd->pData);
#endif 
}
/*******************************************************************************
                       LL Driver Interface (USB Host Library --> HCD)
*******************************************************************************/
/**
  * @brief  USBH_LL_Init 
  *         Initialize the Low Level portion of the Host driver.
  * @param  phost: Host handle
  * @retval USBH Status
  */
USBH_StatusTypeDef  USBH_LL_Init (USBH_HandleTypeDef *phost)
{
  /* Init USB_IP */
  if (phost->id == HOST_FS) {
  /* Link The driver to the stack */
  hhcd_USB_OTG_FS.pData = phost;
  phost->pData = &hhcd_USB_OTG_FS;

  hhcd_USB_OTG_FS.Instance = USB_OTG_FS;
  hhcd_USB_OTG_FS.Init.Host_channels = 8;
  hhcd_USB_OTG_FS.Init.speed = HCD_SPEED_FULL;
  hhcd_USB_OTG_FS.Init.dma_enable = DISABLE;
  hhcd_USB_OTG_FS.Init.phy_itface = HCD_PHY_EMBEDDED;
  hhcd_USB_OTG_FS.Init.Sof_enable = DISABLE;
  HAL_HCD_Init(&hhcd_USB_OTG_FS);

  USBH_LL_SetTimer (phost, HAL_HCD_GetCurrentFrame(&hhcd_USB_OTG_FS));
  }
  return USBH_OK;
}

/**
  * @brief  USBH_LL_DeInit 
  *         De-Initialize the Low Level portion of the Host driver.
  * @param  phost: Host handle
  * @retval USBH Status
  */
USBH_StatusTypeDef  USBH_LL_DeInit (USBH_HandleTypeDef *phost)
{
  HAL_HCD_DeInit(phost->pData);
  return USBH_OK; 
}

/**
  * @brief  USBH_LL_Start 
  *         Start the Low Level portion of the Host driver.
  * @param  phost: Host handle
  * @retval USBH Status
  */
USBH_StatusTypeDef  USBH_LL_Start(USBH_HandleTypeDef *phost)
{
  HAL_HCD_Start(phost->pData);
  return USBH_OK; 
}

/**
  * @brief  USBH_LL_Stop 
  *         Stop the Low Level portion of the Host driver.
  * @param  phost: Host handle
  * @retval USBH Status
  */
USBH_StatusTypeDef  USBH_LL_Stop (USBH_HandleTypeDef *phost)
{
  HAL_HCD_Stop(phost->pData);
  return USBH_OK; 
}

/**
  * @brief  USBH_LL_GetSpeed 
  *         Return the USB Host Speed from the Low Level Driver.
  * @param  phost: Host handle
  * @retval USBH Speeds
  */
USBH_SpeedTypeDef USBH_LL_GetSpeed  (USBH_HandleTypeDef *phost)
{
  USBH_SpeedTypeDef speed = USBH_SPEED_FULL;
    
  switch (HAL_HCD_GetCurrentSpeed(phost->pData))
  {
  case 0 : 
    speed = USBH_SPEED_HIGH;
    break;
    
//  case 1 :
//    speed = USBH_SPEED_FULL;
//    break;
    
  case 2 : 
    speed = USBH_SPEED_LOW;    
    break;
	
//  default:
//   speed = USBH_SPEED_FULL;
//    break;
  }
  return  speed;
}

/**
  * @brief  USBH_LL_ResetPort 
  *         Reset the Host Port of the Low Level Driver.
  * @param  phost: Host handle
  * @retval USBH Status
  */
USBH_StatusTypeDef USBH_LL_ResetPort (USBH_HandleTypeDef *phost) 
{
  HAL_HCD_ResetPort(phost->pData);
  return USBH_OK; 
}

/**
  * @brief  USBH_LL_GetLastXferSize 
  *         Return the last transfered packet size.
  * @param  phost: Host handle
  * @param  pipe: Pipe index   
  * @retval Packet Size
  */
uint32_t USBH_LL_GetLastXferSize  (USBH_HandleTypeDef *phost, uint8_t pipe)  
{
  return HAL_HCD_HC_GetXferCount(phost->pData, pipe);
}

/**
  * @brief  USBH_LL_OpenPipe 
  *         Open a pipe of the Low Level Driver.
  * @param  phost: Host handle
  * @param  pipe_num: Pipe index
  * @param  epnum: Endpoint Number
  * @param  dev_address: Device USB address
  * @param  speed: Device Speed 
  * @param  ep_type: Endpoint Type
  * @param  mps: Endpoint Max Packet Size                 
  * @retval USBH Status
  */
USBH_StatusTypeDef   USBH_LL_OpenPipe    (USBH_HandleTypeDef *phost, 
                                      uint8_t pipe_num,
                                      uint8_t epnum,                                      
                                      uint8_t dev_address,
                                      uint8_t speed,
                                      uint8_t ep_type,
                                      uint16_t mps)
{
  HAL_HCD_HC_Init(phost->pData,
                  pipe_num,
                  epnum,
                  dev_address,
                  speed,
                  ep_type,
                  mps);
  return USBH_OK; 
}

/**
  * @brief  USBH_LL_ClosePipe 
  *         Close a pipe of the Low Level Driver.
  * @param  phost: Host handle
  * @param  pipe_num: Pipe index               
  * @retval USBH Status
  */
USBH_StatusTypeDef   USBH_LL_ClosePipe   (USBH_HandleTypeDef *phost, uint8_t pipe)   
{
  HAL_HCD_HC_Halt(phost->pData, pipe);
  return USBH_OK; 
}

/**
  * @brief  USBH_LL_SubmitURB 
  *         Submit a new URB to the low level driver.
  * @param  phost: Host handle
  * @param  pipe: Pipe index    
  *         This parameter can be a value from 1 to 15
  * @param  direction : Channel number
  *          This parameter can be one of the these values:
  *           0 : Output 
  *           1 : Input
  * @param  ep_type : Endpoint Type
  *          This parameter can be one of the these values:
  *            @arg EP_TYPE_CTRL: Control type
  *            @arg EP_TYPE_ISOC: Isochrounous type
  *            @arg EP_TYPE_BULK: Bulk type
  *            @arg EP_TYPE_INTR: Interrupt type
  * @param  token : Endpoint Type
  *          This parameter can be one of the these values:
  *            @arg 0: PID_SETUP
  *            @arg 1: PID_DATA
  * @param  pbuff : pointer to URB data
  * @param  length : Length of URB data
  * @param  do_ping : activate do ping protocol (for high speed only)
  *          This parameter can be one of the these values:
  *           0 : do ping inactive 
  *           1 : do ping active 
  * @retval Status
  */

USBH_StatusTypeDef   USBH_LL_SubmitURB  (USBH_HandleTypeDef *phost, 
                                            uint8_t pipe, 
                                            uint8_t direction ,
                                            uint8_t ep_type,  
                                            uint8_t token, 
                                            uint8_t* pbuff, 
                                            uint16_t length,
                                            uint8_t do_ping ) 
{
  HAL_HCD_HC_SubmitRequest (phost->pData,
                            pipe, 
                            direction ,
                            ep_type,  
                            token, 
                            pbuff, 
                            length,
                            do_ping);
  return USBH_OK;   
}

/**
  * @brief  USBH_LL_GetURBState 
  *         Get a URB state from the low level driver.
  * @param  phost: Host handle
  * @param  pipe: Pipe index
  *         This parameter can be a value from 1 to 15
  * @retval URB state
  *          This parameter can be one of the these values:
  *            @arg URB_IDLE
  *            @arg URB_DONE
  *            @arg URB_NOTREADY
  *            @arg URB_NYET 
  *            @arg URB_ERROR  
  *            @arg URB_STALL      
  */
USBH_URBStateTypeDef  USBH_LL_GetURBState (USBH_HandleTypeDef *phost, uint8_t pipe) 
{
  return (USBH_URBStateTypeDef)HAL_HCD_HC_GetURBState (phost->pData, pipe);
}

/**
  * @brief  USBH_LL_DriverVBUS 
  *         Drive VBUS.
  * @param  phost: Host handle
  * @param  state : VBUS state
  *          This parameter can be one of the these values:
  *           0 : VBUS Active 
  *           1 : VBUS Inactive
  * @retval Status
  */
USBH_StatusTypeDef  USBH_LL_DriverVBUS (USBH_HandleTypeDef *phost, uint8_t state)
{ 
	//Our VBUS is permanently on, so don't bother with this...

//	if (phost->id == HOST_FS)
//	{
//		if(state == 0)
//		{
//			//VBUS off
//		}
//		else
//		{
//			//VBUS on
//		}
//	}
//	HAL_Delay(200);
	return USBH_OK;
}

/**
  * @brief  USBH_LL_SetToggle 
  *         Set toggle for a pipe.
  * @param  phost: Host handle
  * @param  pipe: Pipe index
  * @param  pipe_num: Pipe index     
  * @param  toggle: toggle (0/1)
  * @retval Status
  */
USBH_StatusTypeDef   USBH_LL_SetToggle   (USBH_HandleTypeDef *phost, uint8_t pipe, uint8_t toggle)   
{
  HCD_HandleTypeDef *pHandle;
  pHandle = phost->pData;
  
  if(pHandle->hc[pipe].ep_is_in)
  {
    pHandle->hc[pipe].toggle_in = toggle;
  }
  else
  {
    pHandle->hc[pipe].toggle_out = toggle;
  }
  
  return USBH_OK; 
}

/**
  * @brief  USBH_LL_GetToggle 
  *         Return the current toggle of a pipe.
  * @param  phost: Host handle
  * @param  pipe: Pipe index
  * @retval toggle (0/1)
  */
uint8_t  USBH_LL_GetToggle   (USBH_HandleTypeDef *phost, uint8_t pipe)   
{
  uint8_t toggle = 0;
  HCD_HandleTypeDef *pHandle;
  pHandle = phost->pData; 
  
  if(pHandle->hc[pipe].ep_is_in)
  {
    toggle = pHandle->hc[pipe].toggle_in;
  }
  else
  {
    toggle = pHandle->hc[pipe].toggle_out;
  }
  return toggle; 
}

/**
  * @brief  USBH_Delay 
  *         Delay routine for the USB Host Library
  * @param  Delay: Delay in ms
  * @retval None
  */
void  USBH_Delay (uint32_t Delay)
{
  HAL_Delay(Delay);  
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/