tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_pcd_ex.c

   1 /**
   2   ******************************************************************************
   3   * @file    stm32f3xx_hal_pcd_ex.c
   4   * @author  MCD Application Team
   5   * @version V1.1.0
   6   * @date    12-Sept-2014
   7   * @brief   Extended PCD HAL module driver.
   8   *          This file provides firmware functions to manage the following
   9   *          functionalities of the USB Peripheral Controller:
  10   *           + Configuration of the PMA for EP
  11   *
  12   ******************************************************************************
  13   * @attention
  14   *
  15   * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
  16   *
  17   * Redistribution and use in source and binary forms, with or without modification,
  18   * are permitted provided that the following conditions are met:
  19   *   1. Redistributions of source code must retain the above copyright notice,
  20   *      this list of conditions and the following disclaimer.
  21   *   2. Redistributions in binary form must reproduce the above copyright notice,
  22   *      this list of conditions and the following disclaimer in the documentation
  23   *      and/or other materials provided with the distribution.
  24   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  25   *      may be used to endorse or promote products derived from this software
  26   *      without specific prior written permission.
  27   *
  28   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  29   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  31   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  32   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  34   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  35   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  36   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  37   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  38   *
  39   ******************************************************************************
  40   */
  41
  42 /* Includes ------------------------------------------------------------------*/
  43 #include "stm32f3xx_hal.h"
  44
  45 /** @addtogroup STM32F3xx_HAL_Driver
  46   * @{
  47   */
  48
  49 /** @defgroup PCDEx PCD Extended HAL module driver
  50   * @brief PCDEx PCDEx Extended HAL module driver
  51   * @{
  52   */
  53
  54 #ifdef HAL_PCD_MODULE_ENABLED
  55
  56 #if defined(STM32F302xE) || defined(STM32F303xE) || \
  57     defined(STM32F302xC) || defined(STM32F303xC) || \
  58     defined(STM32F302x8)                         || \
  59     defined(STM32F373xC)
  60
  61 /* Private typedef -----------------------------------------------------------*/
  62 /* Private define ------------------------------------------------------------*/
  63 /* Private macro -------------------------------------------------------------*/
  64 /* Private variables ---------------------------------------------------------*/
  65 /* Private function prototypes -----------------------------------------------*/
  66 /* Exported functions ---------------------------------------------------------*/
  67
  68 /** @defgroup PCDEx_Exported_Functions PCD Extended Exported Functions
  69   * @{
  70   */
  71
  72 /** @defgroup PCDEx_Exported_Functions_Group1 Extended Initialization and de-initialization functions
  73  *  @brief    Initialization and Configuration functions
  74  *
  75 @verbatim
  76  ===============================================================================
  77                  ##### Peripheral extended features methods #####
  78  ===============================================================================
  79 @endverbatim
  80   * @{
  81   */
  82
  83 /**
  84   * @brief Configure PMA for EP
  85   * @param  hpcd: PCD handle
  86   * @param  ep_addr: endpoint address
  87   * @param  ep_kind: endpoint Kind
  88   *                @arg USB_SNG_BUF: Single Buffer used
  89   *                @arg USB_DBL_BUF: Double Buffer used
  90   * @param  pmaadress: EP address in The PMA: In case of single buffer endpoint
  91   *                   this parameter is 16-bit value providing the address
  92   *                   in PMA allocated to endpoint.
  93   *                   In case of double buffer endpoint this parameter
  94   *                   is a 32-bit value providing the endpoint buffer 0 address
  95   *                   in the LSB part of 32-bit value and endpoint buffer 1 address
  96   *                   in the MSB part of 32-bit value.
  97   * @retval : status
  98   */
  99
 100 HAL_StatusTypeDef  HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd,
 101                         uint16_t ep_addr,
 102                         uint16_t ep_kind,
 103                         uint32_t pmaadress)
 104
 105 {
 106   PCD_EPTypeDef *ep;
 107
 108   /* initialize ep structure*/
 109   if ((0x80 & ep_addr) == 0x80)
 110   {
 111     ep = &hpcd->IN_ep[ep_addr & 0x7F];
 112   }
 113   else
 114   {
 115     ep = &hpcd->OUT_ep[ep_addr];
 116   }
 117
 118   /* Here we check if the endpoint is single or double Buffer*/
 119   if (ep_kind == PCD_SNG_BUF)
 120   {
 121     /*Single Buffer*/
 122     ep->doublebuffer = 0;
 123     /*Configure te PMA*/
 124     ep->pmaadress = (uint16_t)pmaadress;
 125   }
 126   else /*USB_DBL_BUF*/
 127   {
 128     /*Double Buffer Endpoint*/
 129     ep->doublebuffer = 1;
 130     /*Configure the PMA*/
 131     ep->pmaaddr0 =  pmaadress & 0xFFFF;
 132     ep->pmaaddr1 =  (pmaadress & 0xFFFF0000) >> 16;
 133   }
 134
 135   return HAL_OK;
 136 }
 137 /**
 138   * @}
 139   */
 140
 141 /**
 142   * @}
 143   */
 144
 145 /** @defgroup PCDEx_Private_Functions PCD Extended Private Functions
 146   * @{
 147   */
 148 #if defined(STM32F303xC)                         || \
 149     defined(STM32F303x8) || defined(STM32F334x8) || \
 150     defined(STM32F301x8)                         || \
 151     defined(STM32F373xC) || defined(STM32F378xx)
 152
 153
 154 /**
 155   * @brief Copy a buffer from user memory area to packet memory area (PMA)
 156   * @param   USBx: USB peripheral instance register address.
 157   * @param   pbUsrBuf: pointer to user memory area.
 158   * @param   wPMABufAddr: address into PMA.
 159   * @param   wNBytes: no. of bytes to be copied.
 160   * @retval None
 161   */
 162 void PCD_WritePMA(USB_TypeDef  *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
 163 {
 164   uint32_t n = (wNBytes + 1) >> 1;   /* n = (wNBytes + 1) / 2 */
 165   uint32_t i, temp1, temp2;
 166   uint16_t *pdwVal;
 167   pdwVal = (uint16_t *)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400);
 168   for (i = n; i != 0; i--)
 169   {
 170     temp1 = (uint16_t) * pbUsrBuf;
 171     pbUsrBuf++;
 172     temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
 173     *pdwVal++ = temp2;
 174     pdwVal++;
 175     pbUsrBuf++;
 176   }
 177 }
 178
 179 /**
 180   * @brief Copy a buffer from user memory area to packet memory area (PMA)
 181   * @param   USBx: USB peripheral instance register address.
 182   * @param   pbUsrBuf: pointer to user memory area.
 183   * @param   wPMABufAddr: address into PMA.
 184   * @param   wNBytes: no. of bytes to be copied.
 185   * @retval None
 186   */
 187 void PCD_ReadPMA(USB_TypeDef  *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
 188 {
 189   uint32_t n = (wNBytes + 1) >> 1;/* /2*/
 190   uint32_t i;
 191   uint32_t *pdwVal;
 192   pdwVal = (uint32_t *)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400);
 193   for (i = n; i != 0; i--)
 194   {
 195     *(uint16_t*)pbUsrBuf++ = *pdwVal++;
 196     pbUsrBuf++;
 197   }
 198 }
 199 #endif /* STM32F303xC                || */
 200        /* STM32F303x8 || STM32F334x8 || */
 201        /* STM32F301x8                || */
 202        /* STM32F373xC || STM32F378xx    */
 203
 204 #if defined(STM32F302xE) || defined(STM32F303xE) || \
 205     defined(STM32F302xC)                         || \
 206     defined(STM32F302x8)
 207 /**
 208   * @brief Copy a buffer from user memory area to packet memory area (PMA)
 209   * @param   USBx: USB peripheral instance register address.
 210   * @param   pbUsrBuf: pointer to user memory area.
 211   * @param   wPMABufAddr: address into PMA.
 212   * @param   wNBytes: no. of bytes to be copied.
 213   * @retval None
 214   */
 215 void PCD_WritePMA(USB_TypeDef  *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
 216 {
 217   uint32_t n = (wNBytes + 1) >> 1;
 218   uint32_t i;
 219   uint16_t temp1, temp2;
 220   uint16_t *pdwVal;
 221   pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
 222
 223   for (i = n; i != 0; i--)
 224   {
 225     temp1 = (uint16_t) * pbUsrBuf;
 226     pbUsrBuf++;
 227     temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
 228     *pdwVal++ = temp2;
 229     pbUsrBuf++;
 230   }
 231 }
 232
 233 /**
 234   * @brief Copy a buffer from user memory area to packet memory area (PMA)
 235   * @param   USBx: USB peripheral instance register address.
 236   * @param   pbUsrBuf: pointer to user memory area.
 237   * @param   wPMABufAddr: address into PMA.
 238   * @param   wNBytes: no. of bytes to be copied.
 239   * @retval None
 240   */
 241 void PCD_ReadPMA(USB_TypeDef  *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
 242 {
 243   uint32_t n = (wNBytes + 1) >> 1;
 244   uint32_t i;
 245   uint16_t *pdwVal;
 246   pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
 247   for (i = n; i != 0; i--)
 248   {
 249     *(uint16_t*)pbUsrBuf++ = *pdwVal++;
 250     pbUsrBuf++;
 251   }
 252 }
 253 #endif /* STM32F302xE || STM32F303xE || */
 254        /* STM32F302xC                || */
 255        /* STM32F302x8                   */
 256
 257 /**
 258   * @}
 259   */
 260
 261 /** @addtogroup PCDEx_Exported_Functions PCD Extended Exported Functions
 262   * @{
 263   */
 264
 265 /** @addtogroup PCDEx_Exported_Functions_Group1 Extended Initialization and de-initialization functions
 266   * @{
 267   */
 268 /**
 269   * @brief  Software Device Connection
 270   * @param  hpcd: PCD handle
 271   * @param  state: Device state
 272   * @retval None
 273   */
 274  __weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
 275 {
 276   /* NOTE : This function Should not be modified, when the callback is needed,
 277             the HAL_PCDEx_SetConnectionState could be implenetd in the user file
 278    */
 279 }
 280 /**
 281   * @}
 282   */
 283
 284 /**
 285   * @}
 286   */
 287 #endif /* STM32F302xE || STM32F303xE || */
 288        /* STM32F302xC || STM32F303xC || */
 289        /* STM32F302x8                || */
 290        /* STM32F373xC                   */
 291
 292 #endif /* HAL_PCD_MODULE_ENABLED */
 293 /**
 294   * @}
 295   */
 296
 297 /**
 298   * @}
 299   */
 300
 301 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/