Diff: targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_pcd_ex.c

Revision:

144:ef7eb2e8f9f7

Parent:

0:9b334a45a8ff

--- a/targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_pcd_ex.c	Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_hal_pcd_ex.c	Fri Sep 02 15:07:44 2016 +0100
@@ -1,309 +1,522 @@
-/**
-  ******************************************************************************
-  * @file    stm32l4xx_hal_pcd_ex.c
-  * @author  MCD Application Team
-  * @version V1.0.0
-  * @date    26-June-2015
-  * @brief   PCD Extended HAL module driver.  
-  *          This file provides firmware functions to manage the following 
-  *          functionalities of the USB Peripheral Controller:
-  *           + Extended features functions
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
-  *
-  * 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.
-  *
-  ******************************************************************************
-  */ 
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32l4xx_hal.h"
-
-#if defined(STM32L475xx) || defined(STM32L476xx) || defined(STM32L485xx) || defined(STM32L486xx)
-
-/** @addtogroup STM32L4xx_HAL_Driver
-  * @{
-  */
-
-/** @defgroup PCDEx PCDEx
-  * @brief PCD Extended HAL module driver
-  * @{
-  */
-#ifdef HAL_PCD_MODULE_ENABLED
-
-/* Private types -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private constants ---------------------------------------------------------*/
-/* Private macros ------------------------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-/* Exported functions --------------------------------------------------------*/
-
-/** @defgroup PCDEx_Exported_Functions PCD Extended Exported Functions
-  * @{
-  */
-  
-/** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
-  * @brief    PCDEx control functions 
- *
-@verbatim   
- ===============================================================================
-                 ##### Extended features functions #####
- ===============================================================================  
-    [..]  This section provides functions allowing to:
-      (+) Update FIFO configuration
-
-@endverbatim
-  * @{
-  */
-
-/**
-  * @brief  Set Tx FIFO
-  * @param  hpcd: PCD handle
-  * @param  fifo: The number of Tx fifo
-  * @param  size: Fifo size
-  * @retval HAL status
-  */
-HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
-{
-  uint8_t i = 0;
-  uint32_t Tx_Offset = 0;
-
-  /*  TXn min size = 16 words. (n  : Transmit FIFO index)
-      When a TxFIFO is not used, the Configuration should be as follows: 
-          case 1 :  n > m    and Txn is not used    (n,m  : Transmit FIFO indexes)
-         --> Txm can use the space allocated for Txn.
-         case2  :  n < m    and Txn is not used    (n,m  : Transmit FIFO indexes)
-         --> Txn should be configured with the minimum space of 16 words
-     The FIFO is used optimally when used TxFIFOs are allocated in the top 
-         of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
-     When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
-  
-  Tx_Offset = hpcd->Instance->GRXFSIZ;
-  
-  if(fifo == 0)
-  {
-    hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16) | Tx_Offset;
-  }
-  else
-  {
-    Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16;
-    for (i = 0; i < (fifo - 1); i++)
-    {
-      Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16);
-    }
-    
-    /* Multiply Tx_Size by 2 to get higher performance */
-    hpcd->Instance->DIEPTXF[fifo - 1] = (size << 16) | Tx_Offset;
-  }
-  
-  return HAL_OK;
-}
-
-/**
-  * @brief  Set Rx FIFO
-  * @param  hpcd: PCD handle
-  * @param  size: Size of Rx fifo
-  * @retval HAL status
-  */
-HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
-{
-  hpcd->Instance->GRXFSIZ = size;
-  
-  return HAL_OK;
-}
-
-/**
-  * @brief  Activate LPM feature.
-  * @param  hpcd: PCD handle
-  * @retval HAL status
-  */
-HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
-{
-  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
-  
-  hpcd->lpm_active = ENABLE;
-  hpcd->LPM_State = LPM_L0;
-  USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM;
-  USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
-
-  return HAL_OK;  
-}
-
-/**
-  * @brief  Deactivate LPM feature.
-  * @param  hpcd: PCD handle
-  * @retval HAL status
-  */
-HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
-{
-  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
-  
-  hpcd->lpm_active = DISABLE;
-  USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM;
-  USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
-  
-  return HAL_OK;  
-}
-
-/**
-  * @brief  Handle BatteryCharging Process.
-  * @param  hpcd: PCD handle
-  * @retval HAL status
-  */
-void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd)
-{
-  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
-  uint32_t tickstart = HAL_GetTick();
-  
-  /* Start BCD When device is connected */
-  if (USBx_DEVICE->DCTL & USB_OTG_DCTL_SDIS)
-  { 
-    /* Enable DCD : Data Contact Detect */
-    USBx->GCCFG |= USB_OTG_GCCFG_DCDEN;
-    
-    /* Wait Detect flag or a timeout is happen*/
-    while ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == 0)
-    {
-      /* Check for the Timeout */
-      if((HAL_GetTick() - tickstart ) > 1000)
-      {
-        HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR);
-        return;
-      }
-    }
-    
-    /* Right response got */
-    HAL_Delay(100); 
-    
-    /* Check Detect flag*/
-    if (USBx->GCCFG & USB_OTG_GCCFG_DCDET)
-    {
-      HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION);
-    }
-    
-    /*Primary detection: checks if connected to Standard Downstream Port  
-    (without charging capability) */
-    USBx->GCCFG &=~ USB_OTG_GCCFG_DCDEN;
-    USBx->GCCFG |=  USB_OTG_GCCFG_PDEN;
-    HAL_Delay(100); 
-    
-    if (!(USBx->GCCFG & USB_OTG_GCCFG_PDET))
-    {
-      /* Case of Standard Downstream Port */
-      HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
-    }
-    else  
-    {
-      /* start secondary detection to check connection to Charging Downstream 
-      Port or Dedicated Charging Port */
-      USBx->GCCFG &=~ USB_OTG_GCCFG_PDEN;
-      USBx->GCCFG |=  USB_OTG_GCCFG_SDEN;
-      HAL_Delay(100); 
-      
-      if ((USBx->GCCFG) & USB_OTG_GCCFG_SDET)
-      { 
-        /* case Dedicated Charging Port  */
-        HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
-      }
-      else
-      {
-        /* case Charging Downstream Port  */
-        HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
-      }
-    }
-    /* Battery Charging capability discovery finished */
-    HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
-  }
-}
-
-/**
-  * @brief  Activate BatteryCharging feature.
-  * @param  hpcd: PCD handle
-  * @retval HAL status
-  */
-HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd)
-{
-  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
-
-  hpcd->battery_charging_active = ENABLE; 
-  USBx->GCCFG |= (USB_OTG_GCCFG_BCDEN);
-  
-  return HAL_OK;  
-}
-
-/**
-  * @brief  Deactivate BatteryCharging feature.
-  * @param  hpcd: PCD handle
-  * @retval HAL status
-  */
-HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd)
-{
-  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
-  hpcd->battery_charging_active = DISABLE; 
-  USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN);
-  return HAL_OK;  
-}
-
-/**
-  * @brief  Send LPM message to user layer callback.
-  * @param  hpcd: PCD handle
-  * @param  msg: LPM message
-  * @retval HAL status
-  */
-__weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
-{ 
-}
-
-/**
-  * @brief  Send BatteryCharging message to user layer callback.
-  * @param  hpcd: PCD handle
-  * @param  msg: LPM message
-  * @retval HAL status
-  */
-__weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg)
-{
-}
-
-/**
-  * @}
-  */
-
-/**
-  * @}
-  */
-
-#endif /* HAL_PCD_MODULE_ENABLED */
-/**
-  * @}
-  */
-
-/**
-  * @}
-  */
-
-#endif /* STM32L475xx || STM32L476xx || STM32L485xx || STM32L486xx */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+/**
+  ******************************************************************************
+  * @file    stm32l4xx_hal_pcd_ex.c
+  * @author  MCD Application Team
+  * @version V1.5.1
+  * @date    31-May-2016
+  * @brief   PCD Extended HAL module driver.  
+  *          This file provides firmware functions to manage the following 
+  *          functionalities of the USB Peripheral Controller:
+  *           + Extended features functions
+  *
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
+  *
+  * 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.
+  *
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx_hal.h"
+
+/** @addtogroup STM32L4xx_HAL_Driver
+  * @{
+  */
+#ifdef HAL_PCD_MODULE_ENABLED
+
+#if defined(STM32L475xx) || defined(STM32L476xx) || \
+    defined(STM32L485xx) || defined(STM32L486xx) || \
+    defined(STM32L432xx) || defined(STM32L433xx) || \
+    defined(STM32L442xx) || defined(STM32L443xx)
+
+
+/** @defgroup PCDEx PCDEx
+  * @brief PCD Extended HAL module driver
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* Private macros ------------------------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+
+/** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
+  * @{
+  */
+  
+/** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
+  * @brief    PCDEx control functions 
+ *
+@verbatim   
+ ===============================================================================
+                 ##### Extended features functions #####
+ ===============================================================================  
+    [..]  This section provides functions allowing to:
+      (+) Update FIFO configuration
+
+@endverbatim
+  * @{
+  */
+#if defined (USB_OTG_FS)
+/**
+  * @brief  Set Tx FIFO
+  * @param  hpcd: PCD handle
+  * @param  fifo: The number of Tx fifo
+  * @param  size: Fifo size
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
+{
+  uint8_t index = 0;
+  uint32_t Tx_Offset = 0;
+
+  /*  TXn min size = 16 words. (n  : Transmit FIFO index)
+      When a TxFIFO is not used, the Configuration should be as follows: 
+          case 1 :  n > m    and Txn is not used    (n,m  : Transmit FIFO indexes)
+         --> Txm can use the space allocated for Txn.
+         case2  :  n < m    and Txn is not used    (n,m  : Transmit FIFO indexes)
+         --> Txn should be configured with the minimum space of 16 words
+     The FIFO is used optimally when used TxFIFOs are allocated in the top 
+         of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
+     When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
+  
+  Tx_Offset = hpcd->Instance->GRXFSIZ;
+  
+  if(fifo == 0)
+  {
+    hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16) | Tx_Offset;
+  }
+  else
+  {
+    Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16;
+    for (index = 0; index < (fifo - 1); index++)
+    {
+      Tx_Offset += (hpcd->Instance->DIEPTXF[index] >> 16);
+    }
+    
+    /* Multiply Tx_Size by 2 to get higher performance */
+    hpcd->Instance->DIEPTXF[fifo - 1] = (size << 16) | Tx_Offset;
+  }
+  
+  return HAL_OK;
+}
+
+/**
+  * @brief  Set Rx FIFO
+  * @param  hpcd: PCD handle
+  * @param  size: Size of Rx fifo
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
+{
+  hpcd->Instance->GRXFSIZ = size;
+  
+  return HAL_OK;
+}
+
+/**
+  * @brief  Activate LPM feature.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
+{
+  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
+  
+  hpcd->lpm_active = ENABLE;
+  hpcd->LPM_State = LPM_L0;
+  USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM;
+  USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
+
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Deactivate LPM feature.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
+{
+  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
+  
+  hpcd->lpm_active = DISABLE;
+  USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM;
+  USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
+  
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Handle BatteryCharging Process.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd)
+{
+  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
+  uint32_t tickstart = HAL_GetTick();
+  
+  /* Start BCD When device is connected */
+  if (USBx_DEVICE->DCTL & USB_OTG_DCTL_SDIS)
+  { 
+    /* Enable DCD : Data Contact Detect */
+    USBx->GCCFG |= USB_OTG_GCCFG_DCDEN;
+    
+    /* Wait Detect flag or a timeout is happen*/
+    while ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == 0)
+    {
+      /* Check for the Timeout */
+      if((HAL_GetTick() - tickstart ) > 1000)
+      {
+        HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR);
+        return;
+      }
+    }
+    
+    /* Right response got */
+    HAL_Delay(100); 
+    
+    /* Check Detect flag*/
+    if (USBx->GCCFG & USB_OTG_GCCFG_DCDET)
+    {
+      HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION);
+    }
+    
+    /*Primary detection: checks if connected to Standard Downstream Port  
+    (without charging capability) */
+    USBx->GCCFG &=~ USB_OTG_GCCFG_DCDEN;
+    USBx->GCCFG |=  USB_OTG_GCCFG_PDEN;
+    HAL_Delay(100); 
+    
+    if (!(USBx->GCCFG & USB_OTG_GCCFG_PDET))
+    {
+      /* Case of Standard Downstream Port */
+      HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
+    }
+    else  
+    {
+      /* start secondary detection to check connection to Charging Downstream 
+      Port or Dedicated Charging Port */
+      USBx->GCCFG &=~ USB_OTG_GCCFG_PDEN;
+      USBx->GCCFG |=  USB_OTG_GCCFG_SDEN;
+      HAL_Delay(100); 
+      
+      if ((USBx->GCCFG) & USB_OTG_GCCFG_SDET)
+      { 
+        /* case Dedicated Charging Port  */
+        HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
+      }
+      else
+      {
+        /* case Charging Downstream Port  */
+        HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
+      }
+    }
+    /* Battery Charging capability discovery finished */
+    HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
+  }
+}
+
+/**
+  * @brief  Activate BatteryCharging feature.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd)
+{
+  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
+
+  hpcd->battery_charging_active = ENABLE; 
+  USBx->GCCFG |= (USB_OTG_GCCFG_BCDEN);
+  
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Deactivate BatteryCharging feature.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd)
+{
+  USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;  
+  hpcd->battery_charging_active = DISABLE; 
+  USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN);
+  return HAL_OK;  
+}
+#endif /* USB_OTG_FS */
+
+#if defined (USB)
+/**
+  * @brief  Configure PMA for EP
+  * @param  hpcd : Device instance
+  * @param  ep_addr: endpoint address
+  * @param  ep_kind: endpoint Kind
+  *                  USB_SNG_BUF: Single Buffer used
+  *                  USB_DBL_BUF: Double Buffer used
+  * @param  pmaadress: EP address in The PMA: In case of single buffer endpoint
+  *                   this parameter is 16-bit value providing the address
+  *                   in PMA allocated to endpoint.
+  *                   In case of double buffer endpoint this parameter
+  *                   is a 32-bit value providing the endpoint buffer 0 address
+  *                   in the LSB part of 32-bit value and endpoint buffer 1 address
+  *                   in the MSB part of 32-bit value.
+  * @retval HAL status
+  */
+
+HAL_StatusTypeDef  HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, 
+                                       uint16_t ep_addr,
+                                       uint16_t ep_kind,
+                                       uint32_t pmaadress)
+
+{
+  PCD_EPTypeDef *ep = NULL;
+  
+  /* initialize ep structure*/
+  if ((0x80 & ep_addr) == 0x80)
+  {
+    ep = &hpcd->IN_ep[ep_addr & 0x7F];
+  }
+  else
+  {
+    ep = &hpcd->OUT_ep[ep_addr];
+  }
+  
+  /* Here we check if the endpoint is single or double Buffer*/
+  if (ep_kind == PCD_SNG_BUF)
+  {
+    /*Single Buffer*/
+    ep->doublebuffer = 0;
+    /*Configure te PMA*/
+    ep->pmaadress = (uint16_t)pmaadress;
+  }
+  else /*USB_DBL_BUF*/
+  {
+    /*Double Buffer Endpoint*/
+    ep->doublebuffer = 1;
+    /*Configure the PMA*/
+    ep->pmaaddr0 =  pmaadress & 0xFFFF;
+    ep->pmaaddr1 =  (pmaadress & 0xFFFF0000) >> 16;
+  }
+  
+  return HAL_OK; 
+}
+
+/**
+  * @brief  Activate BatteryCharging feature.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd)
+{
+  USB_TypeDef *USBx = hpcd->Instance;
+  hpcd->battery_charging_active = ENABLE;
+  
+  USBx->BCDR |= (USB_BCDR_BCDEN);
+  /* Enable DCD : Data Contact Detect */
+  USBx->BCDR |= (USB_BCDR_DCDEN);
+  
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Deactivate BatteryCharging feature.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd)
+{
+  USB_TypeDef *USBx = hpcd->Instance;
+  hpcd->battery_charging_active = DISABLE;
+  
+  USBx->BCDR &= ~(USB_BCDR_BCDEN);
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Handle BatteryCharging Process.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd)
+{
+  USB_TypeDef *USBx = hpcd->Instance;
+  uint32_t tickstart = HAL_GetTick();
+   
+  /* Wait Detect flag or a timeout is happen*/
+  while ((USBx->BCDR & USB_BCDR_DCDET) == 0)
+  {
+    /* Check for the Timeout */
+    if((HAL_GetTick() - tickstart ) > 1000)
+    {
+      HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR);
+      return;
+    }
+  }
+
+  HAL_Delay(300);
+  
+  /* Data Pin Contact ? Check Detect flag */
+  if (USBx->BCDR & USB_BCDR_DCDET)
+  {
+    HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION);
+  }   
+  /* Primary detection: checks if connected to Standard Downstream Port  
+  (without charging capability) */
+  USBx->BCDR &= ~(USB_BCDR_DCDEN);
+  USBx->BCDR |= (USB_BCDR_PDEN);
+  HAL_Delay(300);
+  
+  /* If Charger detect ? */
+  if (USBx->BCDR & USB_BCDR_PDET)
+  {
+    /* Start secondary detection to check connection to Charging Downstream 
+    Port or Dedicated Charging Port */
+    USBx->BCDR &= ~(USB_BCDR_PDEN);
+    USBx->BCDR |= (USB_BCDR_SDEN);
+    HAL_Delay(300);
+    
+    /* If CDP ? */
+    if (USBx->BCDR & USB_BCDR_SDET)
+    {
+      /* Dedicated Downstream Port DCP */
+      HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
+    }
+    else
+    {
+      /* Charging Downstream Port CDP */
+      HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
+      
+      /* Battery Charging capability discovery finished 
+      Start Enumeration*/
+      HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
+    }
+  }
+  else /* NO */
+  {
+    /* Standard Downstream Port */
+    HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
+  }
+}
+
+/**
+  * @brief  Activate LPM feature.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
+{
+
+  USB_TypeDef *USBx = hpcd->Instance;
+  hpcd->lpm_active = ENABLE;
+  hpcd->LPM_State = LPM_L0;
+  
+  USBx->LPMCSR |= (USB_LPMCSR_LMPEN);
+  USBx->LPMCSR |= (USB_LPMCSR_LPMACK);
+    
+ 
+  return HAL_OK;  
+}
+
+/**
+  * @brief  Deactivate LPM feature.
+  * @param  hpcd: PCD handle
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
+{
+  USB_TypeDef *USBx = hpcd->Instance; 
+  
+  hpcd->lpm_active = DISABLE;
+  
+  USBx->LPMCSR &= ~ (USB_LPMCSR_LMPEN);
+  USBx->LPMCSR &= ~ (USB_LPMCSR_LPMACK);
+  
+  return HAL_OK;  
+}
+
+#endif /* USB_FS */
+
+/**
+  * @brief  Send LPM message to user layer callback.
+  * @param  hpcd: PCD handle
+  * @param  msg: LPM message
+  * @retval HAL status
+  */
+__weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
+{ 
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hpcd);
+  UNUSED(msg);
+
+  /* NOTE : This function should not be modified, when the callback is needed,
+            the HAL_PCDEx_LPM_Callback could be implemented in the user file
+   */ 
+}
+
+/**
+  * @brief  Send BatteryCharging message to user layer callback.
+  * @param  hpcd: PCD handle
+  * @param  msg: LPM message
+  * @retval HAL status
+  */
+__weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg)
+{
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hpcd);
+  UNUSED(msg);
+
+  /* NOTE : This function should not be modified, when the callback is needed,
+            the HAL_PCDEx_BCD_Callback could be implemented in the user file
+   */ 
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* STM32L475xx || STM32L476xx || */
+       /* STM32L485xx || STM32L486xx || */
+       /* STM32L432xx || STM32L433xx || */
+       /* STM32L442xx || STM32L443xx    */
+
+#endif /* HAL_PCD_MODULE_ENABLED */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/