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Diffstat (limited to 'lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c')
| -rw-r--r-- | lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c | 1404 |
1 files changed, 0 insertions, 1404 deletions
diff --git a/lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c b/lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c deleted file mode 100644 index a802483a..00000000 --- a/lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c +++ /dev/null @@ -1,1404 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f0xx_hal_pcd.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: - * + Initialization and de-initialization functions - * + IO operation functions - * + Peripheral Control functions - * + Peripheral State functions - * - @verbatim - ============================================================================== - ##### How to use this driver ##### - ============================================================================== - [..] - The PCD HAL driver can be used as follows: - - (#) Declare a PCD_HandleTypeDef handle structure, for example: - PCD_HandleTypeDef hpcd; - - (#) Fill parameters of Init structure in HCD handle - - (#) Call HAL_PCD_Init() API to initialize the HCD peripheral (Core, Device core, ...) - - (#) Initialize the PCD low level resources through the HAL_PCD_MspInit() API: - (##) Enable the PCD/USB Low Level interface clock using - (+++) __HAL_RCC_USB_CLK_ENABLE); - - (##) Initialize the related GPIO clocks - (##) Configure PCD pin-out - (##) Configure PCD NVIC interrupt - - (#)Associate the Upper USB device stack to the HAL PCD Driver: - (##) hpcd.pData = pdev; - - (#)Enable HCD transmission and reception: - (##) HAL_PCD_Start(); - - @endverbatim - ****************************************************************************** - * @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 "stm32f0xx_hal.h" - -/** @addtogroup STM32F0xx_HAL_Driver - * @{ - */ - -#ifdef HAL_PCD_MODULE_ENABLED - -#if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F070xB)|| defined(STM32F070x6) - -/** @defgroup PCD PCD - * @brief PCD HAL module driver - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ - -/** @defgroup PCD_Private_Define PCD Private Define - * @{ - */ -#define BTABLE_ADDRESS (0x000) -/** - * @} - */ - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/** @defgroup PCD_Private_Functions PCD Private Functions - * @{ - */ -static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd); -void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes); -void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes); -/** - * @} - */ - -/* Exported functions --------------------------------------------------------*/ -/** @defgroup PCD_Exported_Functions PCD Exported Functions - * @{ - */ - -/** @defgroup PCD_Exported_Functions_Group1 Initialization and de-initialization functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization and de-initialization functions ##### - =============================================================================== - [..] This section provides functions allowing to: - -@endverbatim - * @{ - */ - -/** - * @brief Initializes the PCD according to the specified - * parameters in the PCD_InitTypeDef and create the associated handle. - * @param hpcd PCD handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd) -{ - uint32_t i = 0U; - - uint32_t wInterrupt_Mask = 0U; - - /* Check the PCD handle allocation */ - if(hpcd == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance)); - - if(hpcd->State == HAL_PCD_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hpcd->Lock = HAL_UNLOCKED; - - /* Init the low level hardware : GPIO, CLOCK, NVIC... */ - HAL_PCD_MspInit(hpcd); - } - - hpcd->State = HAL_PCD_STATE_BUSY; - - /* Init endpoints structures */ - for (i = 0U; i < hpcd->Init.dev_endpoints ; i++) - { - /* Init ep structure */ - hpcd->IN_ep[i].is_in = 1U; - hpcd->IN_ep[i].num = i; - /* Control until ep is actvated */ - hpcd->IN_ep[i].type = PCD_EP_TYPE_CTRL; - hpcd->IN_ep[i].maxpacket = 0U; - hpcd->IN_ep[i].xfer_buff = 0U; - hpcd->IN_ep[i].xfer_len = 0U; - } - - for (i = 0U; i < hpcd->Init.dev_endpoints ; i++) - { - hpcd->OUT_ep[i].is_in = 0U; - hpcd->OUT_ep[i].num = i; - /* Control until ep is activated */ - hpcd->OUT_ep[i].type = PCD_EP_TYPE_CTRL; - hpcd->OUT_ep[i].maxpacket = 0U; - hpcd->OUT_ep[i].xfer_buff = 0U; - hpcd->OUT_ep[i].xfer_len = 0U; - } - - /* Init Device */ - /*CNTR_FRES = 1*/ - hpcd->Instance->CNTR = USB_CNTR_FRES; - - /*CNTR_FRES = 0*/ - hpcd->Instance->CNTR = 0; - - /*Clear pending interrupts*/ - hpcd->Instance->ISTR = 0; - - /*Set Btable Adress*/ - hpcd->Instance->BTABLE = BTABLE_ADDRESS; - - /*set wInterrupt_Mask global variable*/ - wInterrupt_Mask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \ - | USB_CNTR_SOFM | USB_CNTR_ESOFM | USB_CNTR_RESETM; - - /*Set interrupt mask*/ - hpcd->Instance->CNTR = wInterrupt_Mask; - - hpcd->USB_Address = 0U; - hpcd->State= HAL_PCD_STATE_READY; - - return HAL_OK; -} - -/** - * @brief DeInitializes the PCD peripheral - * @param hpcd PCD handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_DeInit(PCD_HandleTypeDef *hpcd) -{ - /* Check the PCD handle allocation */ - if(hpcd == NULL) - { - return HAL_ERROR; - } - - hpcd->State = HAL_PCD_STATE_BUSY; - - /* Stop Device */ - HAL_PCD_Stop(hpcd); - - /* DeInit the low level hardware */ - HAL_PCD_MspDeInit(hpcd); - - hpcd->State = HAL_PCD_STATE_RESET; - - return HAL_OK; -} - -/** - * @brief Initializes the PCD MSP. - * @param hpcd PCD handle - * @retval None - */ -__weak void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_MspInit could be implemented in the user file - */ -} - -/** - * @brief DeInitializes PCD MSP. - * @param hpcd PCD handle - * @retval None - */ -__weak void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_MspDeInit could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup PCD_Exported_Functions_Group2 IO operation functions - * @brief Data transfers functions - * -@verbatim - =============================================================================== - ##### IO operation functions ##### - =============================================================================== - [..] - This subsection provides a set of functions allowing to manage the PCD data - transfers. - -@endverbatim - * @{ - */ - -/** - * @brief Start the USB device. - * @param hpcd PCD handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd) -{ - /* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */ - hpcd->Instance->BCDR |= USB_BCDR_DPPU; - - return HAL_OK; -} - -/** - * @brief Stop the USB device. - * @param hpcd PCD handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd) -{ - __HAL_LOCK(hpcd); - - /* disable all interrupts and force USB reset */ - hpcd->Instance->CNTR = USB_CNTR_FRES; - - /* clear interrupt status register */ - hpcd->Instance->ISTR = 0; - - /* switch-off device */ - hpcd->Instance->CNTR = (USB_CNTR_FRES | USB_CNTR_PDWN); - - __HAL_UNLOCK(hpcd); - return HAL_OK; -} - -/** - * @brief This function handles PCD interrupt request. - * @param hpcd PCD handle - * @retval HAL status - */ -void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd) -{ - uint32_t wInterrupt_Mask = 0U; - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_CTR)) - { - /* servicing of the endpoint correct transfer interrupt */ - /* clear of the CTR flag into the sub */ - PCD_EP_ISR_Handler(hpcd); - } - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_RESET)) - { - __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_RESET); - HAL_PCD_ResetCallback(hpcd); - HAL_PCD_SetAddress(hpcd, 0U); - } - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_PMAOVR)) - { - __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_PMAOVR); - } - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_ERR)) - { - __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ERR); - } - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_WKUP)) - { - - hpcd->Instance->CNTR &= (uint16_t)(~(USB_CNTR_LPMODE)); - - /*set wInterrupt_Mask global variable*/ - wInterrupt_Mask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \ - | USB_CNTR_ESOFM | USB_CNTR_RESETM; - - /*Set interrupt mask*/ - hpcd->Instance->CNTR = wInterrupt_Mask; - - HAL_PCD_ResumeCallback(hpcd); - - __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_WKUP); - } - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_SUSP)) - { - /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */ - __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SUSP); - - /* Force low-power mode in the macrocell */ - hpcd->Instance->CNTR |= USB_CNTR_FSUSP; - hpcd->Instance->CNTR |= USB_CNTR_LPMODE; - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_WKUP) == 0) - { - HAL_PCD_SuspendCallback(hpcd); - } - } - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_SOF)) - { - __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SOF); - HAL_PCD_SOFCallback(hpcd); - } - - if (__HAL_PCD_GET_FLAG (hpcd, USB_ISTR_ESOF)) - { - /* clear ESOF flag in ISTR */ - __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ESOF); - } -} - -/** - * @brief Data out stage callbacks - * @param hpcd PCD handle - * @param epnum endpoint number - * @retval None - */ - __weak void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - UNUSED(epnum); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_DataOutStageCallback could be implemented in the user file - */ -} - -/** - * @brief Data IN stage callbacks - * @param hpcd PCD handle - * @param epnum endpoint number - * @retval None - */ - __weak void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - UNUSED(epnum); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_DataInStageCallback could be implemented in the user file - */ -} -/** - * @brief Setup stage callback - * @param hpcd PCD handle - * @retval None - */ - __weak void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_SetupStageCallback could be implemented in the user file - */ -} - -/** - * @brief USB Start Of Frame callbacks - * @param hpcd PCD handle - * @retval None - */ - __weak void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_SOFCallback could be implemented in the user file - */ -} - -/** - * @brief USB Reset callbacks - * @param hpcd PCD handle - * @retval None - */ - __weak void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_ResetCallback could be implemented in the user file - */ -} - -/** - * @brief Suspend event callbacks - * @param hpcd PCD handle - * @retval None - */ - __weak void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_SuspendCallback could be implemented in the user file - */ -} - -/** - * @brief Resume event callbacks - * @param hpcd PCD handle - * @retval None - */ - __weak void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_ResumeCallback could be implemented in the user file - */ -} - -/** - * @brief Incomplete ISO OUT callbacks - * @param hpcd PCD handle - * @param epnum endpoint number - * @retval None - */ - __weak void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - UNUSED(epnum); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_ISOOUTIncompleteCallback could be implemented in the user file - */ -} - -/** - * @brief Incomplete ISO IN callbacks - * @param hpcd PCD handle - * @param epnum endpoint number - * @retval None - */ - __weak void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - UNUSED(epnum); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_ISOINIncompleteCallback could be implemented in the user file - */ -} - -/** - * @brief Connection event callbacks - * @param hpcd PCD handle - * @retval None - */ - __weak void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_ConnectCallback could be implemented in the user file - */ -} - -/** - * @brief Disconnection event callbacks - * @param hpcd PCD handle - * @retval None - */ - __weak void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hpcd); - - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PCD_DisconnectCallback could be implemented in the user file - */ -} -/** - * @} - */ - -/** @defgroup PCD_Exported_Functions_Group3 Peripheral Control functions - * @brief management functions - * -@verbatim - =============================================================================== - ##### Peripheral Control functions ##### - =============================================================================== - [..] - This subsection provides a set of functions allowing to control the PCD data - transfers. - -@endverbatim - * @{ - */ - -/** - * @brief Connect the USB device - * @param hpcd PCD handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd) -{ - __HAL_LOCK(hpcd); - - /* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */ - hpcd->Instance->BCDR |= USB_BCDR_DPPU; - - __HAL_UNLOCK(hpcd); - return HAL_OK; -} - -/** - * @brief Disconnect the USB device - * @param hpcd PCD handle - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd) -{ - __HAL_LOCK(hpcd); - - /* Disable DP Pull-Down bit*/ - hpcd->Instance->BCDR &= (uint16_t)(~(USB_BCDR_DPPU)); - - __HAL_UNLOCK(hpcd); - return HAL_OK; -} - -/** - * @brief Set the USB Device address - * @param hpcd PCD handle - * @param address new device address - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_SetAddress(PCD_HandleTypeDef *hpcd, uint8_t address) -{ - __HAL_LOCK(hpcd); - - if(address == 0U) - { - /* set device address and enable function */ - hpcd->Instance->DADDR = USB_DADDR_EF; - } - else /* USB Address will be applied later */ - { - hpcd->USB_Address = address; - } - - __HAL_UNLOCK(hpcd); - return HAL_OK; -} -/** - * @brief Open and configure an endpoint - * @param hpcd PCD handle - * @param ep_addr endpoint address - * @param ep_mps endpoint max packert size - * @param ep_type endpoint type - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_EP_Open(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint16_t ep_mps, uint8_t ep_type) -{ - HAL_StatusTypeDef ret = HAL_OK; - PCD_EPTypeDef *ep; - - if ((ep_addr & 0x80U) == 0x80U) - { - ep = &hpcd->IN_ep[ep_addr & 0x7FU]; - } - else - { - ep = &hpcd->OUT_ep[ep_addr & 0x7FU]; - } - ep->num = ep_addr & 0x7FU; - - ep->is_in = (0x80U & ep_addr) != 0U; - ep->maxpacket = ep_mps; - ep->type = ep_type; - - __HAL_LOCK(hpcd); - - /* initialize Endpoint */ - switch (ep->type) - { - case PCD_EP_TYPE_CTRL: - PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_CONTROL); - break; - case PCD_EP_TYPE_BULK: - PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_BULK); - break; - case PCD_EP_TYPE_INTR: - PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_INTERRUPT); - break; - case PCD_EP_TYPE_ISOC: - PCD_SET_EPTYPE(hpcd->Instance, ep->num, USB_EP_ISOCHRONOUS); - break; - default: - break; - } - - PCD_SET_EP_ADDRESS(hpcd->Instance, ep->num, ep->num); - - if (ep->doublebuffer == 0U) - { - if (ep->is_in) - { - /*Set the endpoint Transmit buffer address */ - PCD_SET_EP_TX_ADDRESS(hpcd->Instance, ep->num, ep->pmaadress); - PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num) - /* Configure NAK status for the Endpoint*/ - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_NAK) - } - else - { - /*Set the endpoint Receive buffer address */ - PCD_SET_EP_RX_ADDRESS(hpcd->Instance, ep->num, ep->pmaadress); - /*Set the endpoint Receive buffer counter*/ - PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, ep->maxpacket) - PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num) - /* Configure VALID status for the Endpoint*/ - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID) - } - } - /*Double Buffer*/ - else - { - /*Set the endpoint as double buffered*/ - PCD_SET_EP_DBUF(hpcd->Instance, ep->num); - /*Set buffer address for double buffered mode*/ - PCD_SET_EP_DBUF_ADDR(hpcd->Instance, ep->num,ep->pmaaddr0, ep->pmaaddr1) - - if (ep->is_in==0U) - { - /* Clear the data toggle bits for the endpoint IN/OUT*/ - PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num) - PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num) - - /* Reset value of the data toggle bits for the endpoint out*/ - PCD_TX_DTOG(hpcd->Instance, ep->num); - - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID) - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS) - } - else - { - /* Clear the data toggle bits for the endpoint IN/OUT*/ - PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num) - PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num) - PCD_RX_DTOG(hpcd->Instance, ep->num); - /* Configure DISABLE status for the Endpoint*/ - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS) - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS) - } - } - - __HAL_UNLOCK(hpcd); - return ret; -} - - -/** - * @brief Deactivate an endpoint - * @param hpcd PCD handle - * @param ep_addr endpoint address - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_EP_Close(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) -{ - PCD_EPTypeDef *ep; - - if ((ep_addr & 0x80U) == 0x80U) - { - ep = &hpcd->IN_ep[ep_addr & 0x7FU]; - } - else - { - ep = &hpcd->OUT_ep[ep_addr & 0x7FU]; - } - ep->num = ep_addr & 0x7FU; - - ep->is_in = (0x80U & ep_addr) != 0U; - - __HAL_LOCK(hpcd); - - if (ep->doublebuffer == 0U) - { - if (ep->is_in) - { - PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num) - /* Configure DISABLE status for the Endpoint*/ - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS) - } - else - { - PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num) - /* Configure DISABLE status for the Endpoint*/ - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS) - } - } - /*Double Buffer*/ - else - { - if (ep->is_in==0U) - { - /* Clear the data toggle bits for the endpoint IN/OUT*/ - PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num) - PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num) - - /* Reset value of the data toggle bits for the endpoint out*/ - PCD_TX_DTOG(hpcd->Instance, ep->num); - - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS) - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS) - } - else - { - /* Clear the data toggle bits for the endpoint IN/OUT*/ - PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num) - PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num) - PCD_RX_DTOG(hpcd->Instance, ep->num); - /* Configure DISABLE status for the Endpoint*/ - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_DIS) - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_DIS) - } - } - - __HAL_UNLOCK(hpcd); - return HAL_OK; -} - - -/** - * @brief Receive an amount of data - * @param hpcd PCD handle - * @param ep_addr endpoint address - * @param pBuf pointer to the reception buffer - * @param len amount of data to be received - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len) -{ - - PCD_EPTypeDef *ep; - - ep = &hpcd->OUT_ep[ep_addr & 0x7FU]; - - /*setup and start the Xfer */ - ep->xfer_buff = pBuf; - ep->xfer_len = len; - ep->xfer_count = 0U; - ep->is_in = 0U; - ep->num = ep_addr & 0x7FU; - - /* Multi packet transfer*/ - if (ep->xfer_len > ep->maxpacket) - { - len=ep->maxpacket; - ep->xfer_len-=len; - } - else - { - len=ep->xfer_len; - ep->xfer_len =0U; - } - - /* configure and validate Rx endpoint */ - if (ep->doublebuffer == 0) - { - /*Set RX buffer count*/ - PCD_SET_EP_RX_CNT(hpcd->Instance, ep->num, len) - } - else - { - /*Set the Double buffer counter*/ - PCD_SET_EP_DBUF_CNT(hpcd->Instance, ep->num, ep->is_in, len) - } - - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID) - - return HAL_OK; -} - -/** - * @brief Get Received Data Size - * @param hpcd PCD handle - * @param ep_addr endpoint address - * @retval Data Size - */ -uint16_t HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) -{ - return hpcd->OUT_ep[ep_addr & 0x7FU].xfer_count; -} -/** - * @brief Send an amount of data - * @param hpcd PCD handle - * @param ep_addr endpoint address - * @param pBuf pointer to the transmission buffer - * @param len amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len) -{ - PCD_EPTypeDef *ep; - uint16_t pmabuffer = 0U; - - ep = &hpcd->IN_ep[ep_addr & 0x7FU]; - - /*setup and start the Xfer */ - ep->xfer_buff = pBuf; - ep->xfer_len = len; - ep->xfer_count = 0U; - ep->is_in = 1U; - ep->num = ep_addr & 0x7FU; - - /*Multi packet transfer*/ - if (ep->xfer_len > ep->maxpacket) - { - len=ep->maxpacket; - ep->xfer_len-=len; - } - else - { - len=ep->xfer_len; - ep->xfer_len =0U; - } - - /* configure and validate Tx endpoint */ - if (ep->doublebuffer == 0U) - { - PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, len); - PCD_SET_EP_TX_CNT(hpcd->Instance, ep->num, len); - } - else - { - /*Write the data to the USB endpoint*/ - if ((PCD_GET_ENDPOINT(hpcd->Instance, ep->num)& USB_EP_DTOG_TX) == USB_EP_DTOG_TX) - { - /*Set the Double buffer counter for pmabuffer1*/ - PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, len) - pmabuffer = ep->pmaaddr1; - } - else - { - /*Set the Double buffer counter for pmabuffer0*/ - PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, len) - pmabuffer = ep->pmaaddr0; - } - - PCD_WritePMA(hpcd->Instance, ep->xfer_buff, pmabuffer, len); - PCD_FreeUserBuffer(hpcd->Instance, ep->num, ep->is_in) - } - - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID) - - return HAL_OK; -} - -/** - * @brief Set a STALL condition over an endpoint - * @param hpcd PCD handle - * @param ep_addr endpoint address - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_EP_SetStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) -{ - PCD_EPTypeDef *ep; - - __HAL_LOCK(hpcd); - - if ((0x80U & ep_addr) == 0x80U) - { - ep = &hpcd->IN_ep[ep_addr & 0x7FU]; - } - else - { - ep = &hpcd->OUT_ep[ep_addr]; - } - - ep->is_stall = 1; - ep->num = ep_addr & 0x7FU; - ep->is_in = ((ep_addr & 0x80U) == 0x80U); - - if (ep->num == 0U) - { - /* This macro sets STALL status for RX & TX*/ - PCD_SET_EP_TXRX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_STALL, USB_EP_TX_STALL) - } - else - { - if (ep->is_in) - { - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num , USB_EP_TX_STALL) - } - else - { - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num , USB_EP_RX_STALL) - } - } - __HAL_UNLOCK(hpcd); - - return HAL_OK; -} - -/** - * @brief Clear a STALL condition over in an endpoint - * @param hpcd PCD handle - * @param ep_addr endpoint address - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_EP_ClrStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) -{ - PCD_EPTypeDef *ep; - - if ((0x80U & ep_addr) == 0x80U) - { - ep = &hpcd->IN_ep[ep_addr & 0x7FU]; - } - else - { - ep = &hpcd->OUT_ep[ep_addr]; - } - - ep->is_stall = 0U; - ep->num = ep_addr & 0x7FU; - ep->is_in = ((ep_addr & 0x80U) == 0x80U); - - __HAL_LOCK(hpcd); - - if (ep->is_in) - { - PCD_CLEAR_TX_DTOG(hpcd->Instance, ep->num) - PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID) - } - else - { - PCD_CLEAR_RX_DTOG(hpcd->Instance, ep->num) - PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_VALID) - } - __HAL_UNLOCK(hpcd); - - return HAL_OK; -} - -/** - * @brief Flush an endpoint - * @param hpcd PCD handle - * @param ep_addr endpoint address - * @retval HAL status - */ -HAL_StatusTypeDef HAL_PCD_EP_Flush(PCD_HandleTypeDef *hpcd, uint8_t ep_addr) -{ - return HAL_OK; -} - -/** - * @brief HAL_PCD_ActivateRemoteWakeup : active remote wakeup signalling -* @param hpcd PCD handle -* @retval HAL status -*/ -HAL_StatusTypeDef HAL_PCD_ActivateRemoteWakeup(PCD_HandleTypeDef *hpcd) -{ - if (hpcd->Init.lpm_enable ==1) - { - /* Apply L1 Resume */ - hpcd->Instance->CNTR |= USB_CNTR_L1RESUME; - } - else - { - /* Apply L2 Resume */ - hpcd->Instance->CNTR |= USB_CNTR_RESUME; - } - - return (HAL_OK); -} - -/** -* @brief HAL_PCD_DeActivateRemoteWakeup : de-active remote wakeup signalling -* @param hpcd PCD handle -* @retval HAL status -*/ -HAL_StatusTypeDef HAL_PCD_DeActivateRemoteWakeup(PCD_HandleTypeDef *hpcd) -{ - if (hpcd->Init.lpm_enable ==1) - { - /* Release L1 Resume */ - hpcd->Instance->CNTR &= ((uint16_t)(~ USB_CNTR_L1RESUME)); - } - else - { - /* Release L2 Resume */ - hpcd->Instance->CNTR &= ((uint16_t)(~ USB_CNTR_RESUME)) ; - } - - return (HAL_OK); -} -/** - * @} - */ - -/** @defgroup PCD_Exported_Functions_Group4 Peripheral State functions - * @brief Peripheral State functions - * -@verbatim - =============================================================================== - ##### Peripheral State functions ##### - =============================================================================== - [..] - This subsection permits to get in run-time the status of the peripheral - and the data flow. - -@endverbatim - * @{ - */ - -/** - * @brief Return the PCD state - * @param hpcd PCD handle - * @retval HAL state - */ -PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef *hpcd) -{ - return hpcd->State; -} -/** - * @} - */ - -/** - * @} - */ - -/** @addtogroup PCD_Private_Functions - * @{ - */ -/** - * @brief Copy a buffer from user memory area to packet memory area (PMA) - * @param USBx USB peripheral instance register address. - * @param pbUsrBuf pointer to user memory area. - * @param wPMABufAddr address into PMA. - * @param wNBytes no. of bytes to be copied. - * @retval None - */ -void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes) -{ - uint32_t n = ((uint32_t)((uint32_t)wNBytes + 1U)) >> 1U; - uint32_t i; - uint16_t temp1, temp2; - uint16_t *pdwVal; - pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr + (uint32_t)USBx + 0x400U)); - - for (i = n; i != 0; i--) - { - temp1 = (uint16_t) * pbUsrBuf; - pbUsrBuf++; - temp2 = temp1 | ((uint16_t)((uint16_t) * pbUsrBuf << 8U)) ; - *pdwVal++ = temp2; - pbUsrBuf++; - } -} - -/** - * @brief Copy a buffer from user memory area to packet memory area (PMA) - * @param USBx USB peripheral instance register address. - * @param pbUsrBuf = pointer to user memory area. - * @param wPMABufAddr address into PMA. - * @param wNBytes no. of bytes to be copied. - * @retval None - */ -void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes) -{ - uint32_t n = (uint32_t)wNBytes >> 1U; - uint32_t i; - uint16_t *pdwVal; - uint32_t temp; - pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr + (uint32_t)USBx + 0x400U)); - - for (i = n; i != 0U; i--) - { - temp = *pdwVal++; - *pbUsrBuf++ = ((temp >> 0) & 0xFF); - *pbUsrBuf++ = ((temp >> 8) & 0xFF); - } - - if (wNBytes % 2) - { - temp = *pdwVal++; - *pbUsrBuf++ = ((temp >> 0) & 0xFF); - } -} - -/** - * @brief This function handles PCD Endpoint interrupt request. - * @param hpcd PCD handle - * @retval HAL status - */ -static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd) -{ - PCD_EPTypeDef *ep; - uint16_t count=0U; - uint8_t EPindex; - __IO uint16_t wIstr; - __IO uint16_t wEPVal = 0U; - - /* stay in loop while pending interrupts */ - while (((wIstr = hpcd->Instance->ISTR) & USB_ISTR_CTR) != 0U) - { - /* extract highest priority endpoint number */ - EPindex = (uint8_t)(wIstr & USB_ISTR_EP_ID); - - if (EPindex == 0U) - { - /* Decode and service control endpoint interrupt */ - - /* DIR bit = origin of the interrupt */ - if ((wIstr & USB_ISTR_DIR) == 0U) - { - /* DIR = 0 */ - - /* DIR = 0 => IN int */ - /* DIR = 0 implies that (EP_CTR_TX = 1) always */ - PCD_CLEAR_TX_EP_CTR(hpcd->Instance, PCD_ENDP0); - ep = &hpcd->IN_ep[0]; - - ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num); - ep->xfer_buff += ep->xfer_count; - - /* TX COMPLETE */ - HAL_PCD_DataInStageCallback(hpcd, 0U); - - - if((hpcd->USB_Address > 0U)&& ( ep->xfer_len == 0U)) - { - hpcd->Instance->DADDR = (hpcd->USB_Address | USB_DADDR_EF); - hpcd->USB_Address = 0U; - } - - } - else - { - /* DIR = 1 */ - - /* DIR = 1 & CTR_RX => SETUP or OUT int */ - /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */ - ep = &hpcd->OUT_ep[0]; - wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0); - - if ((wEPVal & USB_EP_SETUP) != 0U) - { - /* Get SETUP Packet*/ - ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num); - PCD_ReadPMA(hpcd->Instance, (uint8_t*)(void*)hpcd->Setup ,ep->pmaadress , ep->xfer_count); - /* SETUP bit kept frozen while CTR_RX = 1*/ - PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0); - - /* Process SETUP Packet*/ - HAL_PCD_SetupStageCallback(hpcd); - } - - else if ((wEPVal & USB_EP_CTR_RX) != 0U) - { - PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0); - /* Get Control Data OUT Packet*/ - ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num); - - if (ep->xfer_count != 0U) - { - PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count); - ep->xfer_buff+=ep->xfer_count; - } - - /* Process Control Data OUT Packet*/ - HAL_PCD_DataOutStageCallback(hpcd, 0U); - - PCD_SET_EP_RX_CNT(hpcd->Instance, PCD_ENDP0, ep->maxpacket) - PCD_SET_EP_RX_STATUS(hpcd->Instance, PCD_ENDP0, USB_EP_RX_VALID) - } - } - } - else - { - - /* Decode and service non control endpoints interrupt */ - - /* process related endpoint register */ - wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, EPindex); - if ((wEPVal & USB_EP_CTR_RX) != 0U) - { - /* clear int flag */ - PCD_CLEAR_RX_EP_CTR(hpcd->Instance, EPindex); - ep = &hpcd->OUT_ep[EPindex]; - - /* OUT double Buffering*/ - if (ep->doublebuffer == 0U) - { - count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num); - if (count != 0U) - { - PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, count); - } - } - else - { - - if ((PCD_GET_ENDPOINT(hpcd->Instance, ep->num)& USB_EP_DTOG_RX) == USB_EP_DTOG_RX) - { - /*read from endpoint BUF0Addr buffer*/ - count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num); - if (count != 0U) - { - PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count); - } - } - else - { - /*read from endpoint BUF1Addr buffer*/ - count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num); - if (count != 0U) - { - PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count); - } - } - PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_OUT) - } - /*multi-packet on the NON control OUT endpoint*/ - ep->xfer_count+=count; - ep->xfer_buff+=count; - - if ((ep->xfer_len == 0U) || (count < ep->maxpacket)) - { - /* RX COMPLETE */ - HAL_PCD_DataOutStageCallback(hpcd, ep->num); - } - else - { - HAL_PCD_EP_Receive(hpcd, ep->num, ep->xfer_buff, ep->xfer_len); - } - - } /* if((wEPVal & EP_CTR_RX) */ - - if ((wEPVal & USB_EP_CTR_TX) != 0U) - { - ep = &hpcd->IN_ep[EPindex]; - - /* clear int flag */ - PCD_CLEAR_TX_EP_CTR(hpcd->Instance, EPindex); - - /* IN double Buffering*/ - if (ep->doublebuffer == 0U) - { - ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num); - if (ep->xfer_count != 0) - { - PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count); - } - } - else - { - if ((PCD_GET_ENDPOINT(hpcd->Instance, ep->num)& USB_EP_DTOG_TX) == USB_EP_DTOG_TX) - { - /*read from endpoint BUF0Addr buffer*/ - ep->xfer_count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num); - if (ep->xfer_count != 0U) - { - PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, ep->xfer_count); - } - } - else - { - /*read from endpoint BUF1Addr buffer*/ - ep->xfer_count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num); - if (ep->xfer_count != 0U) - { - PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, ep->xfer_count); - } - } - PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_IN) - } - /*multi-packet on the NON control IN endpoint*/ - ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num); - ep->xfer_buff+=ep->xfer_count; - - /* Zero Length Packet? */ - if (ep->xfer_len == 0U) - { - /* TX COMPLETE */ - HAL_PCD_DataInStageCallback(hpcd, ep->num); - } - else - { - HAL_PCD_EP_Transmit(hpcd, ep->num, ep->xfer_buff, ep->xfer_len); - } - } - } - } - return HAL_OK; -} -/** - * @} - */ - -/** - * @} - */ -#endif /* STM32F042x6 || STM32F072xB || STM32F078xx || STM32F070xB || STM32F070x6 */ - -#endif /* HAL_PCD_MODULE_ENABLED */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |