| /** |
| ****************************************************************************** |
| * @file stm32f7xx_hal_pcd_ex.c |
| * @author MCD Application Team |
| * @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) 2017 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 "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; |
| } |
| |
| #if defined (USB_OTG_GCCFG_BCDEN) |
| /** |
| * @brief Handle BatteryCharging Process. |
| * @param hpcd PCD handle |
| * @retval HAL status |
| */ |
| void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd) |
| { |
| USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; |
| uint32_t tickstart = HAL_GetTick(); |
| |
| /* Start BCD When device is connected */ |
| if (USBx_DEVICE->DCTL & USB_OTG_DCTL_SDIS) |
| { |
| /* Enable DCD : Data Contact Detect */ |
| USBx->GCCFG |= USB_OTG_GCCFG_DCDEN; |
| |
| /* Wait Detect flag or a timeout is happen*/ |
| while ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == 0) |
| { |
| /* Check for the Timeout */ |
| if((HAL_GetTick() - tickstart ) > 1000) |
| { |
| HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR); |
| return; |
| } |
| } |
| |
| /* Right response got */ |
| HAL_Delay(100); |
| |
| /* Check Detect flag*/ |
| if (USBx->GCCFG & USB_OTG_GCCFG_DCDET) |
| { |
| HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION); |
| } |
| |
| /*Primary detection: checks if connected to Standard Downstream Port |
| (without charging capability) */ |
| USBx->GCCFG &=~ USB_OTG_GCCFG_DCDEN; |
| USBx->GCCFG |= USB_OTG_GCCFG_PDEN; |
| HAL_Delay(100); |
| |
| if (!(USBx->GCCFG & USB_OTG_GCCFG_PDET)) |
| { |
| /* Case of Standard Downstream Port */ |
| HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT); |
| } |
| else |
| { |
| /* start secondary detection to check connection to Charging Downstream |
| Port or Dedicated Charging Port */ |
| USBx->GCCFG &=~ USB_OTG_GCCFG_PDEN; |
| USBx->GCCFG |= USB_OTG_GCCFG_SDEN; |
| HAL_Delay(100); |
| |
| if ((USBx->GCCFG) & USB_OTG_GCCFG_SDET) |
| { |
| /* case Dedicated Charging Port */ |
| HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT); |
| } |
| else |
| { |
| /* case Charging Downstream Port */ |
| HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT); |
| } |
| } |
| /* Battery Charging capability discovery finished */ |
| HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); |
| } |
| } |
| |
| /** |
| * @brief Activate BatteryCharging feature. |
| * @param hpcd PCD handle |
| * @retval HAL status |
| */ |
| HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd) |
| { |
| USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; |
| |
| hpcd->battery_charging_active = ENABLE; |
| USBx->GCCFG |= (USB_OTG_GCCFG_BCDEN); |
| |
| return HAL_OK; |
| } |
| |
| /** |
| * @brief Deactivate BatteryCharging feature. |
| * @param hpcd PCD handle |
| * @retval HAL status |
| */ |
| HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd) |
| { |
| USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; |
| hpcd->battery_charging_active = DISABLE; |
| USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN); |
| return HAL_OK; |
| } |
| |
| |
| /** |
| * @brief Send BatteryCharging message to user layer callback. |
| * @param hpcd PCD handle |
| * @param msg LPM message |
| * @retval HAL status |
| */ |
| __weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_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_BCD_Callback could be implemented in the user file |
| */ |
| } |
| |
| #endif /* USB_OTG_GCCFG_BCDEN */ |
| /** |
| * @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****/ |