/** | |
****************************************************************************** | |
* @file stm32l1xx_hal_pcd_ex.c | |
* @author MCD Application Team | |
* @brief Extended PCD HAL module driver. | |
* This file provides firmware functions to manage the following | |
* functionalities of the USB Peripheral Controller: | |
* + Configururation of the PMA for EP | |
* | |
****************************************************************************** | |
* @attention | |
* | |
* <h2><center>© COPYRIGHT(c) 2017 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 | |
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* 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 "stm32l1xx_hal.h" | |
/** @addtogroup STM32L1xx_HAL_Driver | |
* @{ | |
*/ | |
/** @defgroup PCDEx PCDEx | |
* @brief PCDEx HAL module driver | |
* @{ | |
*/ | |
#ifdef HAL_PCD_MODULE_ENABLED | |
/* Private typedef -----------------------------------------------------------*/ | |
/* Private define ------------------------------------------------------------*/ | |
/* Private macro -------------------------------------------------------------*/ | |
/* Private variables ---------------------------------------------------------*/ | |
/* Private function prototypes -----------------------------------------------*/ | |
/* Private functions ---------------------------------------------------------*/ | |
/** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions | |
* @{ | |
*/ | |
/** @defgroup PCDEx_Exported_Functions_Group2 Extended Peripheral Control functions | |
* @brief Extended Peripheral Control functions | |
* | |
@verbatim | |
=============================================================================== | |
##### Peripheral Control functions ##### | |
=============================================================================== | |
[..] This section provides functions allowing to: | |
(+) Configure PMA for the EndPoint | |
@endverbatim | |
* @{ | |
*/ | |
/** | |
* @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 : status | |
*/ | |
HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, | |
uint16_t ep_addr, | |
uint16_t ep_kind, | |
uint32_t pmaadress) | |
{ | |
PCD_EPTypeDef *ep; | |
/* 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 & 0xFFFF0000U) >> 16; | |
} | |
return HAL_OK; | |
} | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
#endif /* HAL_PCD_MODULE_ENABLED */ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |