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Diffstat (limited to 'Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c')
| -rw-r--r-- | Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c | 1212 |
1 files changed, 1212 insertions, 0 deletions
diff --git a/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c new file mode 100644 index 0000000..7a72f2f --- /dev/null +++ b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c @@ -0,0 +1,1212 @@ +/** + ****************************************************************************** + * @file stm32f4xx_hal_pcd.c + * @author MCD Application Team + * @version V1.0.0 + * @date 18-February-2014 + * @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 + (+++) __OTGFS-OTG_CLK_ENABLE()/__OTGHS-OTG_CLK_ENABLE(); + (+++) __OTGHSULPI_CLK_ENABLE(); (For High Speed Mode) + + (##) 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) 2014 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 "stm32f4xx_hal.h" + +/** @addtogroup STM32F4xx_HAL_Driver + * @{ + */ + +/** @defgroup PCD + * @brief PCD HAL module driver + * @{ + */ + +#ifdef HAL_PCD_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +#define PCD_MIN(a, b) (((a) < (b)) ? (a) : (b)) +#define PCD_MAX(a, b) (((a) > (b)) ? (a) : (b)) +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +static HAL_StatusTypeDef PCD_WriteEmptyTxFifo(PCD_HandleTypeDef *hpcd, uint32_t epnum); +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup PCD_Private_Functions + * @{ + */ + +/** @defgroup PCD_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 = 0; + + /* Check the PCD handle allocation */ + if(hpcd == NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance)); + + hpcd->State = PCD_BUSY; + + /* Init the low level hardware : GPIO, CLOCK, NVIC... */ + HAL_PCD_MspInit(hpcd); + + /* Disable the Interrupts */ + __HAL_PCD_DISABLE(hpcd); + + /*Init the Core (common init.) */ + USB_CoreInit(hpcd->Instance, hpcd->Init); + + /* Force Device Mode*/ + USB_SetCurrentMode(hpcd->Instance , USB_OTG_DEVICE_MODE); + + /* Init endpoints structures */ + for (i = 0; i < 15 ; i++) + { + /* Init ep structure */ + hpcd->IN_ep[i].is_in = 1; + hpcd->IN_ep[i].num = i; + hpcd->IN_ep[i].tx_fifo_num = i; + /* Control until ep is actvated */ + hpcd->IN_ep[i].type = EP_TYPE_CTRL; + hpcd->IN_ep[i].maxpacket = 0; + hpcd->IN_ep[i].xfer_buff = 0; + hpcd->IN_ep[i].xfer_len = 0; + } + + for (i = 0; i < 15 ; i++) + { + hpcd->OUT_ep[i].is_in = 0; + hpcd->OUT_ep[i].num = i; + hpcd->IN_ep[i].tx_fifo_num = i; + /* Control until ep is activated */ + hpcd->OUT_ep[i].type = EP_TYPE_CTRL; + hpcd->OUT_ep[i].maxpacket = 0; + hpcd->OUT_ep[i].xfer_buff = 0; + hpcd->OUT_ep[i].xfer_len = 0; + + hpcd->Instance->DIEPTXF[i] = 0; + } + + /* Init Device */ + USB_DevInit(hpcd->Instance, hpcd->Init); + + hpcd->State= PCD_READY; + + USB_DevDisconnect (hpcd->Instance); + 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 = PCD_BUSY; + + /* Stop Device */ + HAL_PCD_Stop(hpcd); + + /* DeInit the low level hardware */ + HAL_PCD_MspDeInit(hpcd); + + hpcd->State = PCD_READY; + + return HAL_OK; +} + +/** + * @brief Initializes the PCD MSP. + * @param hpcd: PCD handle + * @retval None + */ +__weak void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_MspInit could be implenetd in the user file + */ +} + +/** + * @brief DeInitializes PCD MSP. + * @param hpcd: PCD handle + * @retval None + */ +__weak void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_MspDeInit could be implenetd in the user file + */ +} + +/** + * @} + */ + +/** @defgroup PCD_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 OTG Device. + * @param hpcd: PCD handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd) +{ + __HAL_LOCK(hpcd); + USB_DevConnect (hpcd->Instance); + __HAL_PCD_ENABLE(hpcd); + __HAL_UNLOCK(hpcd); + return HAL_OK; +} + +/** + * @brief Stop The USB OTG Device. + * @param hpcd: PCD handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd) +{ + __HAL_LOCK(hpcd); + __HAL_PCD_DISABLE(hpcd); + USB_StopDevice(hpcd->Instance); + USB_DevDisconnect (hpcd->Instance); + __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) +{ + USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; + uint32_t i = 0, ep_intr = 0, epint = 0, epnum = 0; + uint32_t fifoemptymsk = 0, temp = 0; + USB_OTG_EPTypeDef *ep; + + /* ensure that we are in device mode */ + if (USB_GetMode(hpcd->Instance) == USB_OTG_MODE_DEVICE) + { + /* avoid spurious interrupt */ + if(__HAL_IS_INVALID_INTERRUPT(hpcd)) + { + return; + } + + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_MMIS)) + { + /* incorrect mode, acknowledge the interrupt */ + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_MMIS); + } + + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_OEPINT)) + { + epnum = 0; + + /* Read in the device interrupt bits */ + ep_intr = USB_ReadDevAllOutEpInterrupt(hpcd->Instance); + + while ( ep_intr ) + { + if (ep_intr & 0x1) + { + epint = USB_ReadDevOutEPInterrupt(hpcd->Instance, epnum); + + if(( epint & USB_OTG_DOEPINT_XFRC) == USB_OTG_DOEPINT_XFRC) + { + CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_XFRC); + + if(hpcd->Init.dma_enable == 1) + { + hpcd->OUT_ep[epnum].xfer_count = hpcd->OUT_ep[epnum].maxpacket- (USBx_OUTEP(epnum)->DOEPTSIZ & USB_OTG_DOEPTSIZ_XFRSIZ); + hpcd->OUT_ep[epnum].xfer_buff += hpcd->OUT_ep[epnum].maxpacket; + } + + HAL_PCD_DataOutStageCallback(hpcd, epnum); + if(hpcd->Init.dma_enable == 1) + { + if((epnum == 0) && (hpcd->OUT_ep[epnum].xfer_len == 0)) + { + /* this is ZLP, so prepare EP0 for next setup */ + USB_EP0_OutStart(hpcd->Instance, 1, (uint8_t *)hpcd->Setup); + } + } + } + + if(( epint & USB_OTG_DOEPINT_STUP) == USB_OTG_DOEPINT_STUP) + { + /* Inform the upper layer that a setup packet is available */ + HAL_PCD_SetupStageCallback(hpcd); + CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_STUP); + } + + if(( epint & USB_OTG_DOEPINT_OTEPDIS) == USB_OTG_DOEPINT_OTEPDIS) + { + CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_OTEPDIS); + } + } + epnum++; + ep_intr >>= 1; + } + } + + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_IEPINT)) + { + /* Read in the device interrupt bits */ + ep_intr = USB_ReadDevAllInEpInterrupt(hpcd->Instance); + + epnum = 0; + + while ( ep_intr ) + { + if (ep_intr & 0x1) /* In ITR */ + { + epint = USB_ReadDevInEPInterrupt(hpcd->Instance, epnum); + + if(( epint & USB_OTG_DIEPINT_XFRC) == USB_OTG_DIEPINT_XFRC) + { + fifoemptymsk = 0x1 << epnum; + USBx_DEVICE->DIEPEMPMSK = ~fifoemptymsk; + + CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_XFRC); + + if (hpcd->Init.dma_enable == 1) + { + hpcd->IN_ep[epnum].xfer_buff += hpcd->IN_ep[epnum].maxpacket; + } + + HAL_PCD_DataInStageCallback(hpcd, epnum); + + if (hpcd->Init.dma_enable == 1) + { + /* this is ZLP, so prepare EP0 for next setup */ + if((epnum == 0) && (hpcd->IN_ep[epnum].xfer_len == 0)) + { + /* prepare to rx more setup packets */ + USB_EP0_OutStart(hpcd->Instance, 1, (uint8_t *)hpcd->Setup); + } + } + } + if(( epint & USB_OTG_DIEPINT_TOC) == USB_OTG_DIEPINT_TOC) + { + CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_TOC); + } + if(( epint & USB_OTG_DIEPINT_ITTXFE) == USB_OTG_DIEPINT_ITTXFE) + { + CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_ITTXFE); + } + if(( epint & USB_OTG_DIEPINT_INEPNE) == USB_OTG_DIEPINT_INEPNE) + { + CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_INEPNE); + } + if(( epint & USB_OTG_DIEPINT_EPDISD) == USB_OTG_DIEPINT_EPDISD) + { + CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_EPDISD); + } + if(( epint & USB_OTG_DIEPINT_TXFE) == USB_OTG_DIEPINT_TXFE) + { + PCD_WriteEmptyTxFifo(hpcd , epnum); + } + } + epnum++; + ep_intr >>= 1; + } + } + + /* Handle Resume Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_WKUINT)) + { + /* Clear the Remote Wake-up Signaling */ + USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_RWUSIG; + + HAL_PCD_ResumeCallback(hpcd); + + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_WKUINT); + } + + /* Handle Suspend Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_USBSUSP)) + { + + if((USBx_DEVICE->DSTS & USB_OTG_DSTS_SUSPSTS) == USB_OTG_DSTS_SUSPSTS) + { + + HAL_PCD_SuspendCallback(hpcd); + } + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_USBSUSP); + } + + + + /* Handle Reset Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_USBRST)) + { + USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_RWUSIG; + USB_FlushTxFifo(hpcd->Instance , 0 ); + + for (i = 0; i < hpcd->Init.dev_endpoints ; i++) + { + USBx_INEP(i)->DIEPINT = 0xFF; + USBx_OUTEP(i)->DOEPINT = 0xFF; + } + USBx_DEVICE->DAINT = 0xFFFFFFFF; + USBx_DEVICE->DAINTMSK |= 0x10001; + + if(hpcd->Init.use_dedicated_ep1) + { + USBx_DEVICE->DOUTEP1MSK |= (USB_OTG_DOEPMSK_STUPM | USB_OTG_DOEPMSK_XFRCM | USB_OTG_DOEPMSK_EPDM); + USBx_DEVICE->DINEP1MSK |= (USB_OTG_DIEPMSK_TOM | USB_OTG_DIEPMSK_XFRCM | USB_OTG_DIEPMSK_EPDM); + } + else + { + USBx_DEVICE->DOEPMSK |= (USB_OTG_DOEPMSK_STUPM | USB_OTG_DOEPMSK_XFRCM | USB_OTG_DOEPMSK_EPDM); + USBx_DEVICE->DIEPMSK |= (USB_OTG_DIEPMSK_TOM | USB_OTG_DIEPMSK_XFRCM | USB_OTG_DIEPMSK_EPDM); + } + + /* Set Default Address to 0 */ + USBx_DEVICE->DCFG &= ~USB_OTG_DCFG_DAD; + + /* setup EP0 to receive SETUP packets */ + USB_EP0_OutStart(hpcd->Instance, hpcd->Init.dma_enable, (uint8_t *)hpcd->Setup); + + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_USBRST); + } + + /* Handle Enumeration done Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_ENUMDNE)) + { + USB_ActivateSetup(hpcd->Instance); + hpcd->Instance->GUSBCFG &= ~USB_OTG_GUSBCFG_TRDT; + + if ( USB_GetDevSpeed(hpcd->Instance) == USB_OTG_SPEED_HIGH) + { + hpcd->Init.speed = USB_OTG_SPEED_HIGH; + hpcd->Init.ep0_mps = USB_OTG_HS_MAX_PACKET_SIZE ; + hpcd->Instance->GUSBCFG |= (USB_OTG_GUSBCFG_TRDT_0 | USB_OTG_GUSBCFG_TRDT_3); + } + else + { + hpcd->Init.speed = USB_OTG_SPEED_FULL; + hpcd->Init.ep0_mps = USB_OTG_FS_MAX_PACKET_SIZE ; + hpcd->Instance->GUSBCFG |= (USB_OTG_GUSBCFG_TRDT_0 | USB_OTG_GUSBCFG_TRDT_2); + } + + HAL_PCD_ResetCallback(hpcd); + + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_ENUMDNE); + } + + + /* Handle RxQLevel Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_RXFLVL)) + { + USB_MASK_INTERRUPT(hpcd->Instance, USB_OTG_GINTSTS_RXFLVL); + temp = USBx->GRXSTSP; + ep = &hpcd->OUT_ep[temp & USB_OTG_GRXSTSP_EPNUM]; + + if(((temp & USB_OTG_GRXSTSP_PKTSTS) >> 17) == STS_DATA_UPDT) + { + if((temp & USB_OTG_GRXSTSP_BCNT) != 0) + { + USB_ReadPacket(USBx, ep->xfer_buff, (temp & USB_OTG_GRXSTSP_BCNT) >> 4); + ep->xfer_buff += (temp & USB_OTG_GRXSTSP_BCNT) >> 4; + ep->xfer_count += (temp & USB_OTG_GRXSTSP_BCNT) >> 4; + } + } + else if (((temp & USB_OTG_GRXSTSP_PKTSTS) >> 17) == STS_SETUP_UPDT) + { + USB_ReadPacket(USBx, (uint8_t *)hpcd->Setup, 8); + ep->xfer_count += (temp & USB_OTG_GRXSTSP_BCNT) >> 4; + } + USB_UNMASK_INTERRUPT(hpcd->Instance, USB_OTG_GINTSTS_RXFLVL); + } + + /* Handle SOF Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_SOF)) + { + HAL_PCD_SOFCallback(hpcd); + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_SOF); + } + + /* Handle Incomplete ISO IN Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_IISOIXFR)) + { + HAL_PCD_ISOINIncompleteCallback(hpcd, epnum); + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_IISOIXFR); + } + + /* Handle Incomplete ISO OUT Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT)) + { + HAL_PCD_ISOOUTIncompleteCallback(hpcd, epnum); + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT); + } + + /* Handle Connection event Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_SRQINT)) + { + HAL_PCD_ConnectCallback(hpcd); + __HAL_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_SRQINT); + } + + /* Handle Disconnection event Interrupt */ + if(__HAL_GET_FLAG(hpcd, USB_OTG_GINTSTS_OTGINT)) + { + temp = hpcd->Instance->GOTGINT; + + if((temp & USB_OTG_GOTGINT_SEDET) == USB_OTG_GOTGINT_SEDET) + { + HAL_PCD_DisconnectCallback(hpcd); + } + hpcd->Instance->GOTGINT |= temp; + } + } +} + +/** + * @brief Data out stage callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @brief Data IN stage callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} +/** + * @brief Setup stage callback + * @param hpcd: ppp handle + * @retval None + */ + __weak void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @brief USB Start Of Frame callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @brief USB Reset callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + + +/** + * @brief Suspend event callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @brief Resume event callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @brief Incomplete ISO OUT callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @brief Incomplete ISO IN callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @brief Connection event callbacks + * @param hpcd: PCD handle + * @retval None + */ + __weak void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @brief Disconnection event callbacks + * @param hpcd: ppp handle + * @retval None + */ + __weak void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_PCD_DataOutStageCallback could be implenetd in the user file + */ +} + +/** + * @} + */ + +/** @defgroup PCD_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 Send an amount of data in blocking mode + * @param hpcd: PCD handle + * @param pData: pointer to data buffer + * @param Size: amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd) +{ + __HAL_LOCK(hpcd); + USB_DevConnect(hpcd->Instance); + __HAL_UNLOCK(hpcd); + return HAL_OK; +} + +/** + * @brief Send an amount of data in blocking mode + * @param hpcd: PCD handle + * @param pData: pointer to data buffer + * @param Size: amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd) +{ + __HAL_LOCK(hpcd); + USB_DevDisconnect(hpcd->Instance); + __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); + USB_SetDevAddress(hpcd->Instance, 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; + USB_OTG_EPTypeDef *ep; + + if ((ep_addr & 0x80) == 0x80) + { + ep = &hpcd->IN_ep[ep_addr & 0x7F]; + } + else + { + ep = &hpcd->OUT_ep[ep_addr & 0x7F]; + } + ep->num = ep_addr & 0x7F; + + ep->is_in = (0x80 & ep_addr) != 0; + ep->maxpacket = ep_mps; + ep->type = ep_type; + if (ep->is_in) + { + /* Assign a Tx FIFO */ + ep->tx_fifo_num = ep->num; + } + /* Set initial data PID. */ + if (ep_type == EP_TYPE_BULK ) + { + ep->data_pid_start = 0; + } + + __HAL_LOCK(hpcd); + USB_ActivateEndpoint(hpcd->Instance , ep); + __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) +{ + USB_OTG_EPTypeDef *ep; + + if ((ep_addr & 0x80) == 0x80) + { + ep = &hpcd->IN_ep[ep_addr & 0x7F]; + } + else + { + ep = &hpcd->OUT_ep[ep_addr & 0x7F]; + } + ep->num = ep_addr & 0x7F; + + ep->is_in = (0x80 & ep_addr) != 0; + + __HAL_LOCK(hpcd); + USB_DeactivateEndpoint(hpcd->Instance , ep); + __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) +{ + + USB_OTG_EPTypeDef *ep; + + ep = &hpcd->OUT_ep[ep_addr & 0x7F]; + + /*setup and start the Xfer */ + ep->xfer_buff = pBuf; + ep->xfer_len = len; + ep->xfer_count = 0; + ep->is_in = 0; + ep->num = ep_addr & 0x7F; + + if (hpcd->Init.dma_enable == 1) + { + ep->dma_addr = (uint32_t)pBuf; + } + + __HAL_LOCK(hpcd); + + if ((ep_addr & 0x7F) == 0 ) + { + USB_EP0StartXfer(hpcd->Instance , ep, hpcd->Init.dma_enable); + } + else + { + USB_EPStartXfer(hpcd->Instance , ep, hpcd->Init.dma_enable); + } + __HAL_UNLOCK(hpcd); + + 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 & 0x7F].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) +{ + USB_OTG_EPTypeDef *ep; + + ep = &hpcd->IN_ep[ep_addr & 0x7F]; + + /*setup and start the Xfer */ + ep->xfer_buff = pBuf; + ep->xfer_len = len; + ep->xfer_count = 0; + ep->is_in = 1; + ep->num = ep_addr & 0x7F; + + if (hpcd->Init.dma_enable == 1) + { + ep->dma_addr = (uint32_t)pBuf; + } + + __HAL_LOCK(hpcd); + + if ((ep_addr & 0x7F) == 0 ) + { + USB_EP0StartXfer(hpcd->Instance , ep, hpcd->Init.dma_enable); + } + else + { + USB_EPStartXfer(hpcd->Instance , ep, hpcd->Init.dma_enable); + } + + __HAL_UNLOCK(hpcd); + + 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) +{ + USB_OTG_EPTypeDef *ep; + + if ((0x80 & ep_addr) == 0x80) + { + ep = &hpcd->IN_ep[ep_addr & 0x7F]; + } + else + { + ep = &hpcd->OUT_ep[ep_addr]; + } + + ep->is_stall = 1; + ep->num = ep_addr & 0x7F; + ep->is_in = ((ep_addr & 0x80) == 0x80); + + + __HAL_LOCK(hpcd); + USB_EPSetStall(hpcd->Instance , ep); + if((ep_addr & 0x7F) == 0) + { + USB_EP0_OutStart(hpcd->Instance, hpcd->Init.dma_enable, (uint8_t *)hpcd->Setup); + } + __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) +{ + USB_OTG_EPTypeDef *ep; + + if ((0x80 & ep_addr) == 0x80) + { + ep = &hpcd->IN_ep[ep_addr & 0x7F]; + } + else + { + ep = &hpcd->OUT_ep[ep_addr]; + } + + ep->is_stall = 0; + ep->num = ep_addr & 0x7F; + ep->is_in = ((ep_addr & 0x80) == 0x80); + + __HAL_LOCK(hpcd); + USB_EPClearStall(hpcd->Instance , ep); + __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) +{ + __HAL_LOCK(hpcd); + + if ((ep_addr & 0x80) == 0x80) + { + USB_FlushTxFifo(hpcd->Instance, ep_addr & 0x7F); + } + else + { + USB_FlushRxFifo(hpcd->Instance); + } + + __HAL_UNLOCK(hpcd); + + return HAL_OK; +} + +/** + * @brief Update FIFO configuration + * @param hpcd: PCD handle + * @retval status + */ +HAL_StatusTypeDef HAL_PCD_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 = (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] = (size << 16) | Tx_Offset; + + } + + return HAL_OK; +} + + +/** + * @brief Update FIFO configuration + * @param hpcd: PCD handle + * @retval status + */ +HAL_StatusTypeDef HAL_PCD_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size) +{ + + hpcd->Instance->GRXFSIZ = size; + + return HAL_OK; +} + + +/** + * @brief HAL_PCD_ActiveRemoteWakeup : active remote wakeup signalling + * @param hpcd: PCD handle + * @retval status + */ +HAL_StatusTypeDef HAL_PCD_ActiveRemoteWakeup(PCD_HandleTypeDef *hpcd) +{ + USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; + + if((USBx_DEVICE->DSTS & USB_OTG_DSTS_SUSPSTS) == USB_OTG_DSTS_SUSPSTS) + { + /* active Remote wakeup signaling */ + USBx_DEVICE->DCTL |= USB_OTG_DCTL_RWUSIG; + } + return HAL_OK; +} + +/** + * @brief HAL_PCD_DeActiveRemoteWakeup : de-active remote wakeup signalling + * @param hpcd: PCD handle + * @retval status + */ +HAL_StatusTypeDef HAL_PCD_DeActiveRemoteWakeup(PCD_HandleTypeDef *hpcd) +{ + USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; + + /* active Remote wakeup signaling */ + USBx_DEVICE->DCTL &= ~(USB_OTG_DCTL_RWUSIG); + return HAL_OK; +} +/** + * @} + */ + +/** @defgroup PCD_Group4 Peripheral State functions + * @brief Peripheral State functions + * +@verbatim + =============================================================================== + ##### Peripheral State functions ##### + =============================================================================== + [..] + This subsection permit 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; +} +/** + * @} + */ + +/** + * @brief DCD_WriteEmptyTxFifo + * check FIFO for the next packet to be loaded + * @param hpcd: PCD handle + * @retval status + */ +static HAL_StatusTypeDef PCD_WriteEmptyTxFifo(PCD_HandleTypeDef *hpcd, uint32_t epnum) +{ + USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; + USB_OTG_EPTypeDef *ep; + int32_t len = 0; + uint32_t len32b; + uint32_t fifoemptymsk = 0; + + ep = &hpcd->IN_ep[epnum]; + len = ep->xfer_len - ep->xfer_count; + + if (len > ep->maxpacket) + { + len = ep->maxpacket; + } + + + len32b = (len + 3) / 4; + + while ( (USBx_INEP(epnum)->DTXFSTS & USB_OTG_DTXFSTS_INEPTFSAV) > len32b && + ep->xfer_count < ep->xfer_len && + ep->xfer_len != 0) + { + /* Write the FIFO */ + len = ep->xfer_len - ep->xfer_count; + + if (len > ep->maxpacket) + { + len = ep->maxpacket; + } + len32b = (len + 3) / 4; + + USB_WritePacket(USBx, ep->xfer_buff, epnum, len, hpcd->Init.dma_enable); + + ep->xfer_buff += len; + ep->xfer_count += len; + } + + if(len <= 0) + { + fifoemptymsk = 0x1 << epnum; + USBx_DEVICE->DIEPEMPMSK &= ~fifoemptymsk; + + } + + return HAL_OK; +} + +/** + * @} + */ + +#endif /* HAL_PCD_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |