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207 lines
6.2 KiB
207 lines
6.2 KiB
/** |
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****************************************************************************** |
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* @file stm32f7xx_hal_pcd_ex.c |
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* @author MCD Application Team |
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* @brief PCD Extended HAL module driver. |
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* This file provides firmware functions to manage the following |
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* functionalities of the USB Peripheral Controller: |
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* + Extended features functions |
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* |
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****************************************************************************** |
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* @attention |
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* |
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* <h2><center>© Copyright (c) 2017 STMicroelectronics. |
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* All rights reserved.</center></h2> |
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* |
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* This software component is licensed by ST under BSD 3-Clause license, |
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* the "License"; You may not use this file except in compliance with the |
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* License. You may obtain a copy of the License at: |
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* opensource.org/licenses/BSD-3-Clause |
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* |
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****************************************************************************** |
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*/ |
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/* Includes ------------------------------------------------------------------*/ |
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#include "stm32f7xx_hal.h" |
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/** @addtogroup STM32F7xx_HAL_Driver |
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* @{ |
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*/ |
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/** @defgroup PCDEx PCDEx |
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* @brief PCD Extended HAL module driver |
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* @{ |
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*/ |
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#ifdef HAL_PCD_MODULE_ENABLED |
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#if defined (USB_OTG_FS) || defined (USB_OTG_HS) |
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/* Private types -------------------------------------------------------------*/ |
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/* Private variables ---------------------------------------------------------*/ |
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/* Private constants ---------------------------------------------------------*/ |
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/* Private macros ------------------------------------------------------------*/ |
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/* Private functions ---------------------------------------------------------*/ |
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/* Exported functions --------------------------------------------------------*/ |
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/** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions |
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* @{ |
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*/ |
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/** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions |
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* @brief PCDEx control functions |
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* |
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@verbatim |
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=============================================================================== |
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##### Extended features functions ##### |
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=============================================================================== |
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[..] This section provides functions allowing to: |
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(+) Update FIFO configuration |
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@endverbatim |
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* @{ |
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*/ |
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#if defined (USB_OTG_FS) || defined (USB_OTG_HS) |
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/** |
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* @brief Set Tx FIFO |
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* @param hpcd PCD handle |
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* @param fifo The number of Tx fifo |
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* @param size Fifo size |
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* @retval HAL status |
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*/ |
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HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size) |
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{ |
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uint8_t i; |
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uint32_t Tx_Offset; |
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/* TXn min size = 16 words. (n : Transmit FIFO index) |
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When a TxFIFO is not used, the Configuration should be as follows: |
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case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes) |
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--> Txm can use the space allocated for Txn. |
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case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes) |
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--> Txn should be configured with the minimum space of 16 words |
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The FIFO is used optimally when used TxFIFOs are allocated in the top |
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of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones. |
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When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */ |
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Tx_Offset = hpcd->Instance->GRXFSIZ; |
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if (fifo == 0U) |
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{ |
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hpcd->Instance->DIEPTXF0_HNPTXFSIZ = ((uint32_t)size << 16) | Tx_Offset; |
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} |
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else |
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{ |
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Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16; |
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for (i = 0U; i < (fifo - 1U); i++) |
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{ |
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Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16); |
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} |
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/* Multiply Tx_Size by 2 to get higher performance */ |
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hpcd->Instance->DIEPTXF[fifo - 1U] = ((uint32_t)size << 16) | Tx_Offset; |
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} |
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return HAL_OK; |
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} |
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/** |
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* @brief Set Rx FIFO |
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* @param hpcd PCD handle |
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* @param size Size of Rx fifo |
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* @retval HAL status |
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*/ |
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HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size) |
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{ |
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hpcd->Instance->GRXFSIZ = size; |
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return HAL_OK; |
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} |
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/** |
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* @brief Activate LPM feature. |
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* @param hpcd PCD handle |
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* @retval HAL status |
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*/ |
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HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd) |
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{ |
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USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; |
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hpcd->lpm_active = 1U; |
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hpcd->LPM_State = LPM_L0; |
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USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM; |
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USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL); |
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return HAL_OK; |
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} |
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/** |
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* @brief Deactivate LPM feature. |
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* @param hpcd PCD handle |
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* @retval HAL status |
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*/ |
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HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd) |
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{ |
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USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; |
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hpcd->lpm_active = 0U; |
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USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM; |
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USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL); |
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return HAL_OK; |
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} |
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#endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */ |
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/** |
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* @brief Send LPM message to user layer callback. |
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* @param hpcd PCD handle |
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* @param msg LPM message |
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* @retval HAL status |
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*/ |
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__weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg) |
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{ |
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/* Prevent unused argument(s) compilation warning */ |
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UNUSED(hpcd); |
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UNUSED(msg); |
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/* NOTE : This function should not be modified, when the callback is needed, |
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the HAL_PCDEx_LPM_Callback could be implemented in the user file |
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*/ |
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} |
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/** |
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* @brief Send BatteryCharging message to user layer callback. |
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* @param hpcd PCD handle |
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* @param msg LPM message |
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* @retval HAL status |
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*/ |
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__weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg) |
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{ |
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/* Prevent unused argument(s) compilation warning */ |
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UNUSED(hpcd); |
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UNUSED(msg); |
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/* NOTE : This function should not be modified, when the callback is needed, |
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the HAL_PCDEx_BCD_Callback could be implemented in the user file |
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*/ |
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} |
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/** |
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* @} |
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*/ |
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/** |
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* @} |
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*/ |
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#endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */ |
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#endif /* HAL_PCD_MODULE_ENABLED */ |
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/** |
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* @} |
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*/ |
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/** |
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* @} |
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*/ |
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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