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561 lines
15 KiB
561 lines
15 KiB
/** |
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****************************************************************************** |
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* @file stm32l4xx_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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* Copyright (c) 2017 STMicroelectronics. |
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* All rights reserved. |
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* |
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* This software is licensed under terms that can be found in the LICENSE file |
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* in the root directory of this software component. |
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* If no LICENSE file comes with this software, it is provided AS-IS. |
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* |
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****************************************************************************** |
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*/ |
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/* Includes ------------------------------------------------------------------*/ |
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#include "stm32l4xx_hal.h" |
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/** @addtogroup STM32L4xx_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) || defined (USB_OTG_FS) |
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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) |
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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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/** |
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* @brief Handle BatteryCharging Process. |
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* @param hpcd PCD handle |
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* @retval HAL status |
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*/ |
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void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd) |
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{ |
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USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; |
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uint32_t tickstart = HAL_GetTick(); |
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/* Enable DCD : Data Contact Detect */ |
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USBx->GCCFG |= USB_OTG_GCCFG_DCDEN; |
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/* Wait for Min DCD Timeout */ |
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HAL_Delay(300U); |
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/* Check Detect flag */ |
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if ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == USB_OTG_GCCFG_DCDET) |
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{ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_CONTACT_DETECTION); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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/* Primary detection: checks if connected to Standard Downstream Port |
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(without charging capability) */ |
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USBx->GCCFG &= ~ USB_OTG_GCCFG_DCDEN; |
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HAL_Delay(50U); |
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USBx->GCCFG |= USB_OTG_GCCFG_PDEN; |
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HAL_Delay(50U); |
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if ((USBx->GCCFG & USB_OTG_GCCFG_PDET) == 0U) |
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{ |
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/* Case of Standard Downstream Port */ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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else |
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{ |
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/* start secondary detection to check connection to Charging Downstream |
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Port or Dedicated Charging Port */ |
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USBx->GCCFG &= ~ USB_OTG_GCCFG_PDEN; |
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HAL_Delay(50U); |
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USBx->GCCFG |= USB_OTG_GCCFG_SDEN; |
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HAL_Delay(50U); |
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if ((USBx->GCCFG & USB_OTG_GCCFG_SDET) == USB_OTG_GCCFG_SDET) |
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{ |
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/* case Dedicated Charging Port */ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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else |
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{ |
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/* case Charging Downstream Port */ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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} |
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/* Battery Charging capability discovery finished */ |
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(void)HAL_PCDEx_DeActivateBCD(hpcd); |
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/* Check for the Timeout, else start USB Device */ |
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if ((HAL_GetTick() - tickstart) > 1000U) |
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{ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_ERROR); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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else |
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{ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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} |
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/** |
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* @brief Activate BatteryCharging 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_ActivateBCD(PCD_HandleTypeDef *hpcd) |
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{ |
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USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; |
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USBx->GCCFG &= ~(USB_OTG_GCCFG_PDEN); |
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USBx->GCCFG &= ~(USB_OTG_GCCFG_SDEN); |
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/* Power Down USB transceiver */ |
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USBx->GCCFG &= ~(USB_OTG_GCCFG_PWRDWN); |
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/* Enable Battery charging */ |
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USBx->GCCFG |= USB_OTG_GCCFG_BCDEN; |
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hpcd->battery_charging_active = 1U; |
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return HAL_OK; |
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} |
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/** |
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* @brief Deactivate BatteryCharging 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_DeActivateBCD(PCD_HandleTypeDef *hpcd) |
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{ |
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USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; |
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USBx->GCCFG &= ~(USB_OTG_GCCFG_SDEN); |
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USBx->GCCFG &= ~(USB_OTG_GCCFG_PDEN); |
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/* Disable Battery charging */ |
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USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN); |
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hpcd->battery_charging_active = 0U; |
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return HAL_OK; |
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} |
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#endif /* defined (USB_OTG_FS) */ |
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#if defined (USB) |
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/** |
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* @brief Configure PMA for EP |
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* @param hpcd Device instance |
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* @param ep_addr endpoint address |
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* @param ep_kind endpoint Kind |
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* USB_SNG_BUF: Single Buffer used |
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* USB_DBL_BUF: Double Buffer used |
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* @param pmaadress: EP address in The PMA: In case of single buffer endpoint |
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* this parameter is 16-bit value providing the address |
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* in PMA allocated to endpoint. |
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* In case of double buffer endpoint this parameter |
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* is a 32-bit value providing the endpoint buffer 0 address |
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* in the LSB part of 32-bit value and endpoint buffer 1 address |
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* in the MSB part of 32-bit value. |
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* @retval HAL status |
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*/ |
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HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, uint16_t ep_addr, |
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uint16_t ep_kind, uint32_t pmaadress) |
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{ |
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PCD_EPTypeDef *ep; |
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/* initialize ep structure*/ |
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if ((0x80U & ep_addr) == 0x80U) |
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{ |
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ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK]; |
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} |
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else |
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{ |
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ep = &hpcd->OUT_ep[ep_addr]; |
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} |
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/* Here we check if the endpoint is single or double Buffer*/ |
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if (ep_kind == PCD_SNG_BUF) |
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{ |
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/* Single Buffer */ |
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ep->doublebuffer = 0U; |
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/* Configure the PMA */ |
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ep->pmaadress = (uint16_t)pmaadress; |
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} |
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#if (USE_USB_DOUBLE_BUFFER == 1U) |
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else /* USB_DBL_BUF */ |
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{ |
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/* Double Buffer Endpoint */ |
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ep->doublebuffer = 1U; |
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/* Configure the PMA */ |
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ep->pmaaddr0 = (uint16_t)(pmaadress & 0xFFFFU); |
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ep->pmaaddr1 = (uint16_t)((pmaadress & 0xFFFF0000U) >> 16); |
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} |
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#endif /* (USE_USB_DOUBLE_BUFFER == 1U) */ |
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return HAL_OK; |
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} |
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/** |
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* @brief Activate BatteryCharging 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_ActivateBCD(PCD_HandleTypeDef *hpcd) |
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{ |
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USB_TypeDef *USBx = hpcd->Instance; |
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hpcd->battery_charging_active = 1U; |
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/* Enable BCD feature */ |
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USBx->BCDR |= USB_BCDR_BCDEN; |
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/* Enable DCD : Data Contact Detect */ |
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USBx->BCDR &= ~(USB_BCDR_PDEN); |
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USBx->BCDR &= ~(USB_BCDR_SDEN); |
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USBx->BCDR |= USB_BCDR_DCDEN; |
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return HAL_OK; |
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} |
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/** |
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* @brief Deactivate BatteryCharging 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_DeActivateBCD(PCD_HandleTypeDef *hpcd) |
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{ |
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USB_TypeDef *USBx = hpcd->Instance; |
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hpcd->battery_charging_active = 0U; |
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/* Disable BCD feature */ |
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USBx->BCDR &= ~(USB_BCDR_BCDEN); |
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return HAL_OK; |
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} |
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/** |
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* @brief Handle BatteryCharging Process. |
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* @param hpcd PCD handle |
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* @retval HAL status |
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*/ |
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void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd) |
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{ |
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USB_TypeDef *USBx = hpcd->Instance; |
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uint32_t tickstart = HAL_GetTick(); |
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/* Wait for Min DCD Timeout */ |
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HAL_Delay(300U); |
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/* Data Pin Contact ? Check Detect flag */ |
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if ((USBx->BCDR & USB_BCDR_DCDET) == USB_BCDR_DCDET) |
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{ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_CONTACT_DETECTION); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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/* Primary detection: checks if connected to Standard Downstream Port |
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(without charging capability) */ |
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USBx->BCDR &= ~(USB_BCDR_DCDEN); |
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HAL_Delay(50U); |
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USBx->BCDR |= (USB_BCDR_PDEN); |
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HAL_Delay(50U); |
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/* If Charger detect ? */ |
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if ((USBx->BCDR & USB_BCDR_PDET) == USB_BCDR_PDET) |
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{ |
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/* Start secondary detection to check connection to Charging Downstream |
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Port or Dedicated Charging Port */ |
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USBx->BCDR &= ~(USB_BCDR_PDEN); |
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HAL_Delay(50U); |
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USBx->BCDR |= (USB_BCDR_SDEN); |
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HAL_Delay(50U); |
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/* If CDP ? */ |
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if ((USBx->BCDR & USB_BCDR_SDET) == USB_BCDR_SDET) |
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{ |
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/* Dedicated Downstream Port DCP */ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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else |
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{ |
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/* Charging Downstream Port CDP */ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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} |
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else /* NO */ |
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{ |
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/* Standard Downstream Port */ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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/* Battery Charging capability discovery finished Start Enumeration */ |
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(void)HAL_PCDEx_DeActivateBCD(hpcd); |
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/* Check for the Timeout, else start USB Device */ |
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if ((HAL_GetTick() - tickstart) > 1000U) |
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{ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_ERROR); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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else |
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{ |
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#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) |
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hpcd->BCDCallback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); |
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#else |
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HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); |
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#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ |
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} |
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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_TypeDef *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->LPMCSR |= USB_LPMCSR_LMPEN; |
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USBx->LPMCSR |= USB_LPMCSR_LPMACK; |
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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_TypeDef *USBx = hpcd->Instance; |
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hpcd->lpm_active = 0U; |
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USBx->LPMCSR &= ~(USB_LPMCSR_LMPEN); |
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USBx->LPMCSR &= ~(USB_LPMCSR_LPMACK); |
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return HAL_OK; |
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} |
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#endif /* defined (USB) */ |
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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) || defined (USB_OTG_FS) */ |
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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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