/**
******************************************************************************
* @file stm32f1xx_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:
* + Extended features functions: Update FIFO configuration,
* PMA configuration for EPs
*
******************************************************************************
* @attention
*
* <h2><center>© 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 "stm32f1xx_hal.h"
/** @addtogroup STM32F1xx_HAL_Driver
* @{
*/
#ifdef HAL_PCD_MODULE_ENABLED
#if defined(STM32F102x6) || defined(STM32F102xB) || \
defined(STM32F103x6) || defined(STM32F103xB) || \
defined(STM32F103xE) || defined(STM32F103xG) || \
defined(STM32F105xC) || defined(STM32F107xC)
/** @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 Peripheral Control functions #####
===============================================================================
[..] This section provides functions allowing to:
(+) Update FIFO (USB_OTG_FS)
(+) Update PMA configuration (USB)
@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 = 0U;
/* 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 == 0U)
{
hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16U) | Tx_Offset;
}
else
{
Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16U;
for(index = 0; index < (fifo - 1); index++)
{
Tx_Offset += (hpcd->Instance->DIEPTXF[index] >> 16U);
}
/* Multiply Tx_Size by 2 to get higher performance */
hpcd->Instance->DIEPTXF[fifo - 1U] = (size << 16U) | 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;
}
#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 ((ep_addr & 0x80U) == 0x80U)
{
ep = &hpcd->IN_ep[ep_addr & 0x7FU];
}
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 = 0U;
/*Configure te PMA*/
ep->pmaadress = (uint16_t)pmaadress;
}
else /*USB_DBL_BUF*/
{
/*Double Buffer Endpoint*/
ep->doublebuffer = 1U;
/*Configure the PMA*/
ep->pmaaddr0 = pmaadress & 0x0000FFFFU;
ep->pmaaddr1 = (pmaadress & 0xFFFF0000U) >> 16U;
}
return HAL_OK;
}
#endif /* USB */
/**
* @}
*/
/** @defgroup PCDEx_Exported_Functions_Group2 Peripheral State functions
* @brief Manage device connection state
* @{
*/
/**
* @brief Software Device Connection,
* this function is not required by USB OTG FS peripheral, it is used
* only by USB Device FS peripheral.
* @param hpcd: PCD handle
* @param state: connection state (0 : disconnected / 1: connected)
* @retval None
*/
__weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hpcd);
UNUSED(state);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_PCDEx_SetConnectionState could be implemented in the user file
*/
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /* STM32F102x6 || STM32F102xB || */
/* STM32F103x6 || STM32F103xB || */
/* STM32F103xE || STM32F103xG || */
/* STM32F105xC || STM32F107xC */
#endif /* HAL_PCD_MODULE_ENABLED */
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/