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Diffstat (limited to 'lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c')
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diff --git a/lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c b/lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c new file mode 100644 index 00000000..a802483a --- /dev/null +++ b/lib/hal-stm32f0/source/stm32f0xx_hal_pcd.c @@ -0,0 +1,1404 @@ +/** + ****************************************************************************** + * @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****/ |