Diff: targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_pcd_ex.c

Revision:

394:83f921546702

Parent:

354:e67efb2aab0e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_pcd_ex.c	Fri Nov 07 15:45:07 2014 +0000
@@ -0,0 +1,147 @@
+/**
+  ******************************************************************************
+  * @file    stm32l1xx_hal_pcd_ex.c
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    5-September-2014
+  * @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>&copy; COPYRIGHT(c) 2014 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 "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
+  * @{
+  */
+
+/*
+@verbatim    
+ ===============================================================================
+                 ##### Peripheral extended features functions #####
+ ===============================================================================
+@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 & 0xFFFF0000) >> 16;
+  }
+  
+  return HAL_OK; 
+}
+
+
+
+/**
+  * @}
+  */
+
+#endif /* HAL_PCD_MODULE_ENABLED */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/