/** | |
****************************************************************************** | |
* @file stm32f7xx_hal_pcd_ex.c | |
* @author MCD Application Team | |
* @version V1.1.1 | |
* @date 01-July-2016 | |
* @brief PCD HAL module driver. | |
* This file provides firmware functions to manage the following | |
* functionalities of the USB Peripheral Controller: | |
* + Extended features functions | |
* | |
****************************************************************************** | |
* @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 | |
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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 "stm32f7xx_hal.h" | |
/** @addtogroup STM32F7xx_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 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 | |
* @{ | |
*/ | |
/** | |
* @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 = (uint32_t)(((uint32_t)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] = (uint32_t)(((uint32_t)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 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 | |
*/ | |
} | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
#endif /* HAL_PCD_MODULE_ENABLED */ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |