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- /**
- ******************************************************************************
- * @file stm32l4xx_ll_usb.c
- * @author MCD Application Team
- * @brief USB Low Layer HAL module driver.
- *
- * This file provides firmware functions to manage the following
- * functionalities of the USB Peripheral Controller:
- * + Initialization/de-initialization functions
- * + I/O operation functions
- * + Peripheral Control functions
- * + Peripheral State functions
- *
- @verbatim
- ==============================================================================
- ##### How to use this driver #####
- ==============================================================================
- [..]
- (#) Fill parameters of Init structure in USB_OTG_CfgTypeDef structure.
-
- (#) Call USB_CoreInit() API to initialize the USB Core peripheral.
- (#) The upper HAL HCD/PCD driver will call the right routines for its internal processes.
- @endverbatim
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "stm32l4xx_hal.h"
- /** @defgroup USB_LL USB Low Layer
- * @brief Low layer module for USB_FS and USB_OTG_FS drivers
- * @{
- */
- #if defined (HAL_PCD_MODULE_ENABLED) || defined (HAL_HCD_MODULE_ENABLED)
- #if defined(STM32L432xx) || defined(STM32L433xx) || defined(STM32L442xx) || defined(STM32L443xx) || \
- defined(STM32L452xx) || defined(STM32L462xx) || \
- defined(STM32L475xx) || defined(STM32L476xx) || defined(STM32L485xx) || defined(STM32L486xx) || \
- defined(STM32L496xx) || defined(STM32L4A6xx) || \
- defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
-
- /** @addtogroup STM32L4xx_LL_USB_DRIVER
- * @{
- */
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- /* Private macro -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- /* Private function prototypes -----------------------------------------------*/
- /* Private functions ---------------------------------------------------------*/
- #if defined (USB_OTG_FS)
- /** @defgroup USB_LL_Private_Functions USB Low Layer Private Functions
- * @{
- */
- static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx);
- /**
- * @}
- */
- #endif /* USB_OTG_FS */
- /* Exported functions --------------------------------------------------------*/
- /** @defgroup LL_USB_Exported_Functions USB Low Layer Exported Functions
- * @{
- */
- /** @defgroup LL_USB_Group1 Initialization/de-initialization functions
- * @brief Initialization and Configuration functions
- *
- @verbatim
- ===============================================================================
- ##### Initialization/de-initialization functions #####
- ===============================================================================
- [..] This section provides functions allowing to:
-
- @endverbatim
- * @{
- */
- /*==============================================================================
- USB OTG FS peripheral available on STM32L475xx, STM32L476xx, STM32L485xx and
- STM32L486xx devices
- ==============================================================================*/
- #if defined (USB_OTG_FS)
- /**
- * @brief Initializes the USB Core
- * @param USBx: USB Instance
- * @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
- * the configuration information for the specified USBx peripheral.
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(cfg);
- /* Select FS Embedded PHY */
- USBx->GUSBCFG |= USB_OTG_GUSBCFG_PHYSEL;
-
- /* Reset after a PHY select and set Host mode */
- USB_CoreReset(USBx);
-
- /* Deactivate the power down*/
- USBx->GCCFG = USB_OTG_GCCFG_PWRDWN;
-
- return HAL_OK;
- }
- /**
- * @brief USB_EnableGlobalInt
- * Enables the controller's Global Int in the AHB Config reg
- * @param USBx: Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EnableGlobalInt(USB_OTG_GlobalTypeDef *USBx)
- {
- USBx->GAHBCFG |= USB_OTG_GAHBCFG_GINT;
- return HAL_OK;
- }
- /**
- * @brief USB_DisableGlobalInt
- * Disable the controller's Global Int in the AHB Config reg
- * @param USBx: Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DisableGlobalInt(USB_OTG_GlobalTypeDef *USBx)
- {
- USBx->GAHBCFG &= ~USB_OTG_GAHBCFG_GINT;
- return HAL_OK;
- }
-
- /**
- * @brief USB_SetCurrentMode : Set functional mode
- * @param USBx: Selected device
- * @param mode: current core mode
- * This parameter can be one of these values:
- * @arg USB_OTG_DEVICE_MODE: Peripheral mode
- * @arg USB_OTG_HOST_MODE: Host mode
- * @arg USB_OTG_DRD_MODE: Dual Role Device mode
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_SetCurrentMode(USB_OTG_GlobalTypeDef *USBx , USB_ModeTypeDef mode)
- {
- USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_FHMOD | USB_OTG_GUSBCFG_FDMOD);
-
- if ( mode == USB_HOST_MODE)
- {
- USBx->GUSBCFG |= USB_OTG_GUSBCFG_FHMOD;
- }
- else if ( mode == USB_DEVICE_MODE)
- {
- USBx->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD;
- }
- HAL_Delay(50);
-
- return HAL_OK;
- }
- /**
- * @brief USB_DevInit : Initializes the USB_OTG controller registers
- * for device mode
- * @param USBx: Selected device
- * @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
- * the configuration information for the specified USBx peripheral.
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DevInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
- {
- uint32_t index = 0;
- /*Activate VBUS Sensing B */
- USBx->GCCFG |= USB_OTG_GCCFG_VBDEN;
-
- if (cfg.vbus_sensing_enable == 0)
- {
- /* Deactivate VBUS Sensing B */
- USBx->GCCFG &= ~ USB_OTG_GCCFG_VBDEN;
-
- /* B-peripheral session valid override enable*/
- USBx->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
- USBx->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
- }
-
- /* Restart the Phy Clock */
- USBx_PCGCCTL = 0;
- /* Device mode configuration */
- USBx_DEVICE->DCFG |= DCFG_FRAME_INTERVAL_80;
-
- /* Set Full speed phy */
- USB_SetDevSpeed (USBx , USB_OTG_SPEED_FULL);
- /* Flush the FIFOs */
- USB_FlushTxFifo(USBx , 0x10); /* all Tx FIFOs */
- USB_FlushRxFifo(USBx);
-
- /* Clear all pending Device Interrupts */
- USBx_DEVICE->DIEPMSK = 0;
- USBx_DEVICE->DOEPMSK = 0;
- USBx_DEVICE->DAINT = 0xFFFFFFFF;
- USBx_DEVICE->DAINTMSK = 0;
-
- for (index = 0; index < cfg.dev_endpoints; index++)
- {
- if ((USBx_INEP(index)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA)
- {
- USBx_INEP(index)->DIEPCTL = (USB_OTG_DIEPCTL_EPDIS | USB_OTG_DIEPCTL_SNAK);
- }
- else
- {
- USBx_INEP(index)->DIEPCTL = 0;
- }
-
- USBx_INEP(index)->DIEPTSIZ = 0;
- USBx_INEP(index)->DIEPINT = 0xFF;
- }
-
- for (index = 0; index < cfg.dev_endpoints; index++)
- {
- if ((USBx_OUTEP(index)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA)
- {
- USBx_OUTEP(index)->DOEPCTL = (USB_OTG_DOEPCTL_EPDIS | USB_OTG_DOEPCTL_SNAK);
- }
- else
- {
- USBx_OUTEP(index)->DOEPCTL = 0;
- }
-
- USBx_OUTEP(index)->DOEPTSIZ = 0;
- USBx_OUTEP(index)->DOEPINT = 0xFF;
- }
-
- USBx_DEVICE->DIEPMSK &= ~(USB_OTG_DIEPMSK_TXFURM);
-
- if (cfg.dma_enable == 1)
- {
- /*Set threshold parameters */
- USBx_DEVICE->DTHRCTL = (USB_OTG_DTHRCTL_TXTHRLEN_6 | USB_OTG_DTHRCTL_RXTHRLEN_6);
- USBx_DEVICE->DTHRCTL |= (USB_OTG_DTHRCTL_RXTHREN | USB_OTG_DTHRCTL_ISOTHREN | USB_OTG_DTHRCTL_NONISOTHREN);
-
- index= USBx_DEVICE->DTHRCTL;
- }
-
- /* Disable all interrupts. */
- USBx->GINTMSK = 0;
-
- /* Clear any pending interrupts */
- USBx->GINTSTS = 0xBFFFFFFF;
- /* Enable the common interrupts */
- if (cfg.dma_enable == DISABLE)
- {
- USBx->GINTMSK |= USB_OTG_GINTMSK_RXFLVLM;
- }
- /* Enable interrupts matching to the Device mode ONLY */
- USBx->GINTMSK |= (USB_OTG_GINTMSK_USBSUSPM | USB_OTG_GINTMSK_USBRST |\
- USB_OTG_GINTMSK_ENUMDNEM | USB_OTG_GINTMSK_IEPINT |\
- USB_OTG_GINTMSK_OEPINT | USB_OTG_GINTMSK_IISOIXFRM|\
- USB_OTG_GINTMSK_PXFRM_IISOOXFRM | USB_OTG_GINTMSK_WUIM);
- if(cfg.Sof_enable)
- {
- USBx->GINTMSK |= USB_OTG_GINTMSK_SOFM;
- }
- if (cfg.vbus_sensing_enable == ENABLE)
- {
- USBx->GINTMSK |= (USB_OTG_GINTMSK_SRQIM | USB_OTG_GINTMSK_OTGINT);
- }
-
- return HAL_OK;
- }
- /**
- * @brief USB_OTG_FlushTxFifo : Flush a Tx FIFO
- * @param USBx: Selected device
- * @param num: FIFO number
- * This parameter can be a value from 1 to 15
- 15 means Flush all Tx FIFOs
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_FlushTxFifo (USB_OTG_GlobalTypeDef *USBx, uint32_t num)
- {
- uint32_t count = 0;
-
- USBx->GRSTCTL = ( USB_OTG_GRSTCTL_TXFFLSH |(uint32_t)( num << 6));
-
- do
- {
- if (++count > 200000)
- {
- return HAL_TIMEOUT;
- }
- }
- while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) == USB_OTG_GRSTCTL_TXFFLSH);
-
- return HAL_OK;
- }
- /**
- * @brief USB_FlushRxFifo : Flush Rx FIFO
- * @param USBx: Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_FlushRxFifo(USB_OTG_GlobalTypeDef *USBx)
- {
- uint32_t count = 0;
-
- USBx->GRSTCTL = USB_OTG_GRSTCTL_RXFFLSH;
-
- do
- {
- if (++count > 200000)
- {
- return HAL_TIMEOUT;
- }
- }
- while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_RXFFLSH) == USB_OTG_GRSTCTL_RXFFLSH);
-
- return HAL_OK;
- }
- /**
- * @brief USB_SetDevSpeed :Initializes the DevSpd field of DCFG register
- * depending the PHY type and the enumeration speed of the device.
- * @param USBx: Selected device
- * @param speed: device speed
- * This parameter can be one of these values:
- * @arg USB_OTG_SPEED_HIGH: High speed mode
- * @arg USB_OTG_SPEED_HIGH_IN_FULL: High speed core in Full Speed mode
- * @arg USB_OTG_SPEED_FULL: Full speed mode
- * @arg USB_OTG_SPEED_LOW: Low speed mode
- * @retval Hal status
- */
- HAL_StatusTypeDef USB_SetDevSpeed(USB_OTG_GlobalTypeDef *USBx , uint8_t speed)
- {
- USBx_DEVICE->DCFG |= speed;
- return HAL_OK;
- }
- /**
- * @brief USB_GetDevSpeed :Return the Dev Speed
- * @param USBx: Selected device
- * @retval speed : device speed
- * This parameter can be one of these values:
- * @arg USB_OTG_SPEED_HIGH: High speed mode
- * @arg USB_OTG_SPEED_FULL: Full speed mode
- * @arg USB_OTG_SPEED_LOW: Low speed mode
- */
- uint8_t USB_GetDevSpeed(USB_OTG_GlobalTypeDef *USBx)
- {
- uint8_t speed = 0;
-
- if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ)
- {
- speed = USB_OTG_SPEED_HIGH;
- }
- else if (((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ)||
- ((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_FS_PHY_48MHZ))
- {
- speed = USB_OTG_SPEED_FULL;
- }
- else if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_LS_PHY_6MHZ)
- {
- speed = USB_OTG_SPEED_LOW;
- }
-
- return speed;
- }
- /**
- * @brief Activate and configure an endpoint
- * @param USBx: Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_ActivateEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep)
- {
- if (ep->is_in == 1)
- {
- USBx_DEVICE->DAINTMSK |= USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num)));
-
- if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0)
- {
- USBx_INEP(ep->num)->DIEPCTL |= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) | (ep->type << 18 ) |\
- ((ep->num) << 22 ) | (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) | (USB_OTG_DIEPCTL_USBAEP));
- }
- }
- else
- {
- USBx_DEVICE->DAINTMSK |= USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16);
-
- if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0)
- {
- USBx_OUTEP(ep->num)->DOEPCTL |= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) | (ep->type << 18 ) |\
- (USB_OTG_DIEPCTL_SD0PID_SEVNFRM)| (USB_OTG_DOEPCTL_USBAEP));
- }
- }
- return HAL_OK;
- }
- /**
- * @brief Activate and configure a dedicated endpoint
- * @param USBx: Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_ActivateDedicatedEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep)
- {
- static __IO uint32_t debug = 0;
-
- /* Read DEPCTLn register */
- if (ep->is_in == 1)
- {
- if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0)
- {
- USBx_INEP(ep->num)->DIEPCTL |= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) | (ep->type << 18 ) |\
- ((ep->num) << 22 ) | (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) | (USB_OTG_DIEPCTL_USBAEP));
- }
-
-
- debug |= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) | (ep->type << 18 ) |\
- ((ep->num) << 22 ) | (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) | (USB_OTG_DIEPCTL_USBAEP));
-
- USBx_DEVICE->DEACHMSK |= USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num)));
- }
- else
- {
- if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0)
- {
- USBx_OUTEP(ep->num)->DOEPCTL |= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) | (ep->type << 18 ) |\
- ((ep->num) << 22 ) | (USB_OTG_DOEPCTL_USBAEP));
-
- debug = (uint32_t)(((uint32_t )USBx) + USB_OTG_OUT_ENDPOINT_BASE + (0)*USB_OTG_EP_REG_SIZE);
- debug = (uint32_t )&USBx_OUTEP(ep->num)->DOEPCTL;
- debug |= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) | (ep->type << 18 ) |\
- ((ep->num) << 22 ) | (USB_OTG_DOEPCTL_USBAEP));
- }
-
- USBx_DEVICE->DEACHMSK |= USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16);
- }
- return HAL_OK;
- }
- /**
- * @brief De-activate and de-initialize an endpoint
- * @param USBx: Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DeactivateEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep)
- {
- /* Read DEPCTLn register */
- if (ep->is_in == 1)
- {
- USBx_DEVICE->DEACHMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
- USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
- USBx_INEP(ep->num)->DIEPCTL &= ~ USB_OTG_DIEPCTL_USBAEP;
- }
- else
- {
- USBx_DEVICE->DEACHMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
- USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
- USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
- }
- return HAL_OK;
- }
- /**
- * @brief De-activate and de-initialize a dedicated endpoint
- * @param USBx: Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep)
- {
- /* Read DEPCTLn register */
- if (ep->is_in == 1)
- {
- USBx_INEP(ep->num)->DIEPCTL &= ~ USB_OTG_DIEPCTL_USBAEP;
- USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
- }
- else
- {
- USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
- USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
- }
- return HAL_OK;
- }
- /**
- * @brief USB_EPStartXfer : setup and starts a transfer over an EP
- * @param USBx: Selected device
- * @param ep: pointer to endpoint structure
- * @param dma: USB dma enabled or disabled
- * This parameter can be one of these values:
- * 0 : DMA feature not used
- * 1 : DMA feature used
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef *USBx , USB_OTG_EPTypeDef *ep, uint8_t dma)
- {
- uint16_t pktcnt = 0;
-
- /* IN endpoint */
- if (ep->is_in == 1)
- {
- /* Zero Length Packet? */
- if (ep->xfer_len == 0)
- {
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
- USBx_INEP(ep->num)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
- }
- else
- {
- /* Program the transfer size and packet count
- * as follows: xfersize = N * maxpacket +
- * short_packet pktcnt = N + (short_packet
- * exist ? 1 : 0)
- */
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
- USBx_INEP(ep->num)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (((ep->xfer_len + ep->maxpacket -1)/ ep->maxpacket) << 19)) ;
- USBx_INEP(ep->num)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
-
- if (ep->type == EP_TYPE_ISOC)
- {
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_MULCNT);
- USBx_INEP(ep->num)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_MULCNT & (1 << 29));
- }
- }
- if (ep->type != EP_TYPE_ISOC)
- {
- /* Enable the Tx FIFO Empty Interrupt for this EP */
- if (ep->xfer_len > 0)
- {
- // Added for MBED PR #3062
- atomic_set_u32(&USBx_DEVICE->DIEPEMPMSK, 1 << ep->num);
- }
- }
- if (ep->type == EP_TYPE_ISOC)
- {
- if ((USBx_DEVICE->DSTS & ( 1 << 8 )) == 0)
- {
- USBx_INEP(ep->num)->DIEPCTL |= USB_OTG_DIEPCTL_SODDFRM;
- }
- else
- {
- USBx_INEP(ep->num)->DIEPCTL |= USB_OTG_DIEPCTL_SD0PID_SEVNFRM;
- }
- }
-
- /* EP enable, IN data in FIFO */
- USBx_INEP(ep->num)->DIEPCTL |= (USB_OTG_DIEPCTL_CNAK | USB_OTG_DIEPCTL_EPENA);
-
- if (ep->type == EP_TYPE_ISOC)
- {
- USB_WritePacket(USBx, ep->xfer_buff, ep->num, ep->xfer_len, dma);
- }
- }
- else /* OUT endpoint */
- {
- /* Program the transfer size and packet count as follows:
- * pktcnt = N
- * xfersize = N * maxpacket
- */
- USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
- USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
-
- if (ep->xfer_len == 0)
- {
- USBx_OUTEP(ep->num)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_XFRSIZ & ep->maxpacket);
- USBx_OUTEP(ep->num)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19)) ;
- }
- else
- {
- pktcnt = (ep->xfer_len + ep->maxpacket -1)/ ep->maxpacket;
- USBx_OUTEP(ep->num)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_PKTCNT & (pktcnt << 19)); ;
- USBx_OUTEP(ep->num)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket * pktcnt));
- }
- if (ep->type == EP_TYPE_ISOC)
- {
- if ((USBx_DEVICE->DSTS & ( 1 << 8 )) == 0)
- {
- USBx_OUTEP(ep->num)->DOEPCTL |= USB_OTG_DOEPCTL_SODDFRM;
- }
- else
- {
- USBx_OUTEP(ep->num)->DOEPCTL |= USB_OTG_DOEPCTL_SD0PID_SEVNFRM;
- }
- }
- /* EP enable */
- USBx_OUTEP(ep->num)->DOEPCTL |= (USB_OTG_DOEPCTL_CNAK | USB_OTG_DOEPCTL_EPENA);
- }
- return HAL_OK;
- }
- /**
- * @brief USB_EP0StartXfer : setup and starts a transfer over the EP 0
- * @param USBx: Selected device
- * @param ep: pointer to endpoint structure
- * @param dma: USB dma enabled or disabled
- * This parameter can be one of these values:
- * 0 : DMA feature not used
- * 1 : DMA feature used
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EP0StartXfer(USB_OTG_GlobalTypeDef *USBx , USB_OTG_EPTypeDef *ep, uint8_t dma)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(dma);
-
- /* IN endpoint */
- if (ep->is_in == 1)
- {
- /* Zero Length Packet? */
- if (ep->xfer_len == 0)
- {
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
- USBx_INEP(ep->num)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
- }
- else
- {
- /* Program the transfer size and packet count
- * as follows: xfersize = N * maxpacket +
- * short_packet pktcnt = N + (short_packet
- * exist ? 1 : 0)
- */
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
- USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
-
- if(ep->xfer_len > ep->maxpacket)
- {
- ep->xfer_len = ep->maxpacket;
- }
- USBx_INEP(ep->num)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
- USBx_INEP(ep->num)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
-
- }
-
- /* Enable the Tx FIFO Empty Interrupt for this EP */
- if (ep->xfer_len > 0)
- {
- // Added for MBED PR #3062
- atomic_set_u32(&USBx_DEVICE->DIEPEMPMSK, 1 << (ep->num));
- }
-
- /* EP enable, IN data in FIFO */
- USBx_INEP(ep->num)->DIEPCTL |= (USB_OTG_DIEPCTL_CNAK | USB_OTG_DIEPCTL_EPENA);
- }
- else /* OUT endpoint */
- {
- /* Program the transfer size and packet count as follows:
- * pktcnt = N
- * xfersize = N * maxpacket
- */
- USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
- USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
-
- if (ep->xfer_len > 0)
- {
- ep->xfer_len = ep->maxpacket;
- }
-
- USBx_OUTEP(ep->num)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19));
- USBx_OUTEP(ep->num)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket));
-
- /* EP enable */
- USBx_OUTEP(ep->num)->DOEPCTL |= (USB_OTG_DOEPCTL_CNAK | USB_OTG_DOEPCTL_EPENA);
- }
- return HAL_OK;
- }
- /**
- * @brief USB_WritePacket : Writes a packet into the Tx FIFO associated
- * with the EP/channel
- * @param USBx: Selected device
- * @param src: pointer to source buffer
- * @param ch_ep_num: endpoint or host channel number
- * @param len: Number of bytes to write
- * @param dma: USB dma enabled or disabled
- * This parameter can be one of these values:
- * 0 : DMA feature not used
- * 1 : DMA feature used
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *src, uint8_t ch_ep_num, uint16_t len, uint8_t dma)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(dma);
-
- uint32_t count32b= 0 , index= 0;
- count32b = (len + 3) / 4;
- for (index = 0; index < count32b; index++, src += 4)
- {
- USBx_DFIFO(ch_ep_num) = *((__packed uint32_t *)src);
- }
- return HAL_OK;
- }
- /**
- * @brief USB_ReadPacket : read a packet from the Tx FIFO associated
- * with the EP/channel
- * @param USBx: Selected device
- * @param src: source pointer
- * @param ch_ep_num: endpoint or host channel number
- * @param len: Number of bytes to read
- * @param dma: USB dma enabled or disabled
- * This parameter can be one of these values:
- * 0 : DMA feature not used
- * 1 : DMA feature used
- * @retval pointer to destination buffer
- */
- void *USB_ReadPacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *dest, uint16_t len)
- {
- uint32_t index=0;
- uint32_t count32b = (len + 3) / 4;
-
- for ( index = 0; index < count32b; index++, dest += 4 )
- {
- *(__packed uint32_t *)dest = USBx_DFIFO(0);
-
- }
- return ((void *)dest);
- }
- /**
- * @brief USB_EPSetStall : set a stall condition over an EP
- * @param USBx: Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EPSetStall(USB_OTG_GlobalTypeDef *USBx , USB_OTG_EPTypeDef *ep)
- {
- if (ep->is_in == 1)
- {
- if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_EPENA) == 0)
- {
- USBx_INEP(ep->num)->DIEPCTL &= ~(USB_OTG_DIEPCTL_EPDIS);
- }
- USBx_INEP(ep->num)->DIEPCTL |= USB_OTG_DIEPCTL_STALL;
- }
- else
- {
- if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_EPENA) == 0)
- {
- USBx_OUTEP(ep->num)->DOEPCTL &= ~(USB_OTG_DOEPCTL_EPDIS);
- }
- USBx_OUTEP(ep->num)->DOEPCTL |= USB_OTG_DOEPCTL_STALL;
- }
- return HAL_OK;
- }
- /**
- * @brief USB_EPClearStall : Clear a stall condition over an EP
- * @param USBx: Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EPClearStall(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep)
- {
- if (ep->is_in == 1)
- {
- USBx_INEP(ep->num)->DIEPCTL &= ~USB_OTG_DIEPCTL_STALL;
- if (ep->type == EP_TYPE_INTR || ep->type == EP_TYPE_BULK)
- {
- USBx_INEP(ep->num)->DIEPCTL |= USB_OTG_DIEPCTL_SD0PID_SEVNFRM; /* DATA0 */
- }
- }
- else
- {
- USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_STALL;
- if (ep->type == EP_TYPE_INTR || ep->type == EP_TYPE_BULK)
- {
- USBx_OUTEP(ep->num)->DOEPCTL |= USB_OTG_DOEPCTL_SD0PID_SEVNFRM; /* DATA0 */
- }
- }
- return HAL_OK;
- }
- /**
- * @brief USB_StopDevice : Stop the USB device mode
- * @param USBx: Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_StopDevice(USB_OTG_GlobalTypeDef *USBx)
- {
- uint32_t index;
-
- /* Clear Pending interrupt */
- for (index = 0; index < 15 ; index++)
- {
- USBx_INEP(index)->DIEPINT = 0xFF;
- USBx_OUTEP(index)->DOEPINT = 0xFF;
- }
- USBx_DEVICE->DAINT = 0xFFFFFFFF;
-
- /* Clear interrupt masks */
- USBx_DEVICE->DIEPMSK = 0;
- USBx_DEVICE->DOEPMSK = 0;
- USBx_DEVICE->DAINTMSK = 0;
-
- /* Flush the FIFO */
- USB_FlushRxFifo(USBx);
- USB_FlushTxFifo(USBx , 0x10 );
-
- return HAL_OK;
- }
- /**
- * @brief USB_SetDevAddress : Stop the USB device mode
- * @param USBx: Selected device
- * @param address: new device address to be assigned
- * This parameter can be a value from 0 to 255
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_SetDevAddress (USB_OTG_GlobalTypeDef *USBx, uint8_t address)
- {
- USBx_DEVICE->DCFG &= ~ (USB_OTG_DCFG_DAD);
- USBx_DEVICE->DCFG |= (address << 4) & USB_OTG_DCFG_DAD ;
-
- return HAL_OK;
- }
- /**
- * @brief USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down
- * @param USBx: Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DevConnect (USB_OTG_GlobalTypeDef *USBx)
- {
- USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_SDIS ;
- HAL_Delay(3);
-
- return HAL_OK;
- }
- /**
- * @brief USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down
- * @param USBx: Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DevDisconnect (USB_OTG_GlobalTypeDef *USBx)
- {
- USBx_DEVICE->DCTL |= USB_OTG_DCTL_SDIS ;
- HAL_Delay(3);
-
- return HAL_OK;
- }
- /**
- * @brief USB_ReadInterrupts: return the global USB interrupt status
- * @param USBx: Selected device
- * @retval HAL status
- */
- uint32_t USB_ReadInterrupts (USB_OTG_GlobalTypeDef *USBx)
- {
- uint32_t tmpreg = 0;
-
- tmpreg = USBx->GINTSTS;
- tmpreg &= USBx->GINTMSK;
- return tmpreg;
- }
- /**
- * @brief USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status
- * @param USBx: Selected device
- * @retval HAL status
- */
- uint32_t USB_ReadDevAllOutEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
- {
- uint32_t tmpreg;
- tmpreg = USBx_DEVICE->DAINT;
- tmpreg &= USBx_DEVICE->DAINTMSK;
- return ((tmpreg & 0xffff0000) >> 16);
- }
- /**
- * @brief USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status
- * @param USBx: Selected device
- * @retval HAL status
- */
- uint32_t USB_ReadDevAllInEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
- {
- uint32_t tmpreg;
- tmpreg = USBx_DEVICE->DAINT;
- tmpreg &= USBx_DEVICE->DAINTMSK;
- return ((tmpreg & 0xFFFF));
- }
- /**
- * @brief Returns Device OUT EP Interrupt register
- * @param USBx: Selected device
- * @param epnum: endpoint number
- * This parameter can be a value from 0 to 15
- * @retval Device OUT EP Interrupt register
- */
- uint32_t USB_ReadDevOutEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum)
- {
- uint32_t tmpreg;
- tmpreg = USBx_OUTEP(epnum)->DOEPINT;
- tmpreg &= USBx_DEVICE->DOEPMSK;
- return tmpreg;
- }
- /**
- * @brief Returns Device IN EP Interrupt register
- * @param USBx: Selected device
- * @param epnum: endpoint number
- * This parameter can be a value from 0 to 15
- * @retval Device IN EP Interrupt register
- */
- uint32_t USB_ReadDevInEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum)
- {
- uint32_t tmpreg = 0, msk = 0, emp = 0;
-
- msk = USBx_DEVICE->DIEPMSK;
- emp = USBx_DEVICE->DIEPEMPMSK;
- msk |= ((emp >> epnum) & 0x1) << 7;
- tmpreg = USBx_INEP(epnum)->DIEPINT & msk;
- return tmpreg;
- }
- /**
- * @brief USB_ClearInterrupts: clear a USB interrupt
- * @param USBx: Selected device
- * @param interrupt: interrupt flag
- * @retval None
- */
- void USB_ClearInterrupts (USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt)
- {
- USBx->GINTSTS |= interrupt;
- }
- /**
- * @brief Returns USB core mode
- * @param USBx: Selected device
- * @retval return core mode : Host or Device
- * This parameter can be one of these values:
- * 0 : Host
- * 1 : Device
- */
- uint32_t USB_GetMode(USB_OTG_GlobalTypeDef *USBx)
- {
- return ((USBx->GINTSTS ) & 0x1);
- }
- /**
- * @brief Activate EP0 for Setup transactions
- * @param USBx: Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_ActivateSetup (USB_OTG_GlobalTypeDef *USBx)
- {
- /* Set the MPS of the IN EP based on the enumeration speed */
- USBx_INEP(0)->DIEPCTL &= ~USB_OTG_DIEPCTL_MPSIZ;
-
- if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_LS_PHY_6MHZ)
- {
- USBx_INEP(0)->DIEPCTL |= 3;
- }
- USBx_DEVICE->DCTL |= USB_OTG_DCTL_CGINAK;
- return HAL_OK;
- }
- /**
- * @brief Prepare the EP0 to start the first control setup
- * @param USBx: Selected device
- * @param dma: USB dma enabled or disabled
- * This parameter can be one of these values:
- * 0 : DMA feature not used
- * 1 : DMA feature used
- * @param psetup: pointer to setup packet
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EP0_OutStart(USB_OTG_GlobalTypeDef *USBx, uint8_t dma, uint8_t *psetup)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(psetup);
- USBx_OUTEP(0)->DOEPTSIZ = 0;
- USBx_OUTEP(0)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19)) ;
- USBx_OUTEP(0)->DOEPTSIZ |= (3 * 8);
- USBx_OUTEP(0)->DOEPTSIZ |= USB_OTG_DOEPTSIZ_STUPCNT;
-
- return HAL_OK;
- }
- /**
- * @brief USB_HostInit : Initializes the USB OTG controller registers
- * for Host mode
- * @param USBx: Selected device
- * @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
- * the configuration information for the specified USBx peripheral.
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_HostInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
- {
- uint32_t index = 0;
-
- /* Restart the Phy Clock */
- USBx_PCGCCTL = 0;
-
- /* Disable the FS/LS support mode only */
- if((cfg.speed == USB_OTG_SPEED_FULL)&&
- (USBx != USB_OTG_FS))
- {
- USBx_HOST->HCFG |= USB_OTG_HCFG_FSLSS;
- }
- else
- {
- USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSS);
- }
- /* Make sure the FIFOs are flushed. */
- USB_FlushTxFifo(USBx, 0x10 ); /* all Tx FIFOs */
- USB_FlushRxFifo(USBx);
- /* Clear all pending HC Interrupts */
- for (index = 0; index < cfg.Host_channels; index++)
- {
- USBx_HC(index)->HCINT = 0xFFFFFFFF;
- USBx_HC(index)->HCINTMSK = 0;
- }
-
- /* Enable VBUS driving */
- USB_DriveVbus(USBx, 1);
-
- HAL_Delay(200);
-
- /* Disable all interrupts. */
- USBx->GINTMSK = 0;
-
- /* Clear any pending interrupts */
- USBx->GINTSTS = 0xFFFFFFFF;
-
- /* set Rx FIFO size */
- USBx->GRXFSIZ = (uint32_t )0x80;
- USBx->DIEPTXF0_HNPTXFSIZ = (uint32_t )(((0x60 << 16)& USB_OTG_NPTXFD) | 0x80);
- USBx->HPTXFSIZ = (uint32_t )(((0x40 << 16)& USB_OTG_HPTXFSIZ_PTXFD) | 0xE0);
-
- /* Enable the common interrupts */
- if (cfg.dma_enable == DISABLE)
- {
- USBx->GINTMSK |= USB_OTG_GINTMSK_RXFLVLM;
- }
- /* Enable interrupts matching to the Host mode ONLY */
- USBx->GINTMSK |= (USB_OTG_GINTMSK_PRTIM | USB_OTG_GINTMSK_HCIM |\
- USB_OTG_GINTMSK_SOFM |USB_OTG_GINTSTS_DISCINT|\
- USB_OTG_GINTMSK_PXFRM_IISOOXFRM | USB_OTG_GINTMSK_WUIM);
-
- return HAL_OK;
- }
- /**
- * @brief USB_InitFSLSPClkSel : Initializes the FSLSPClkSel field of the
- * HCFG register on the PHY type and set the right frame interval
- * @param USBx: Selected device
- * @param freq: clock frequency
- * This parameter can be one of these values:
- * HCFG_48_MHZ : Full Speed 48 MHz Clock
- * HCFG_6_MHZ : Low Speed 6 MHz Clock
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_InitFSLSPClkSel(USB_OTG_GlobalTypeDef *USBx , uint8_t freq)
- {
- USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSPCS);
- USBx_HOST->HCFG |= (freq & USB_OTG_HCFG_FSLSPCS);
-
- if (freq == HCFG_48_MHZ)
- {
- USBx_HOST->HFIR = (uint32_t)48000;
- }
- else if (freq == HCFG_6_MHZ)
- {
- USBx_HOST->HFIR = (uint32_t)6000;
- }
- return HAL_OK;
- }
- /**
- * @brief USB_OTG_ResetPort : Reset Host Port
- * @param USBx: Selected device
- * @retval HAL status
- * @note (1)The application must wait at least 10 ms
- * before clearing the reset bit.
- */
- HAL_StatusTypeDef USB_ResetPort(USB_OTG_GlobalTypeDef *USBx)
- {
- __IO uint32_t hprt0 = 0;
-
- hprt0 = USBx_HPRT0;
-
- hprt0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
- USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
-
- USBx_HPRT0 = (USB_OTG_HPRT_PRST | hprt0);
- HAL_Delay (10); /* See Note #1 */
- USBx_HPRT0 = ((~USB_OTG_HPRT_PRST) & hprt0);
- return HAL_OK;
- }
- /**
- * @brief USB_DriveVbus : activate or de-activate vbus
- * @param state: VBUS state
- * This parameter can be one of these values:
- * 0 : VBUS Active
- * 1 : VBUS Inactive
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DriveVbus (USB_OTG_GlobalTypeDef *USBx, uint8_t state)
- {
- __IO uint32_t hprt0 = 0;
-
- hprt0 = USBx_HPRT0;
- hprt0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
- USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
-
- if (((hprt0 & USB_OTG_HPRT_PPWR) == 0 ) && (state == 1 ))
- {
- USBx_HPRT0 = (USB_OTG_HPRT_PPWR | hprt0);
- }
- if (((hprt0 & USB_OTG_HPRT_PPWR) == USB_OTG_HPRT_PPWR) && (state == 0 ))
- {
- USBx_HPRT0 = ((~USB_OTG_HPRT_PPWR) & hprt0);
- }
- return HAL_OK;
- }
- /**
- * @brief Return Host Core speed
- * @param USBx: Selected device
- * @retval speed : Host speed
- * This parameter can be one of these values:
- * @arg USB_OTG_SPEED_HIGH: High speed mode
- * @arg USB_OTG_SPEED_FULL: Full speed mode
- * @arg USB_OTG_SPEED_LOW: Low speed mode
- */
- uint32_t USB_GetHostSpeed (USB_OTG_GlobalTypeDef *USBx)
- {
- __IO uint32_t hprt0 = 0;
-
- hprt0 = USBx_HPRT0;
- return ((hprt0 & USB_OTG_HPRT_PSPD) >> 17);
- }
- /**
- * @brief Return Host Current Frame number
- * @param USBx: Selected device
- * @retval current frame number
- */
- uint32_t USB_GetCurrentFrame (USB_OTG_GlobalTypeDef *USBx)
- {
- return (USBx_HOST->HFNUM & USB_OTG_HFNUM_FRNUM);
- }
- /**
- * @brief Initialize a host channel
- * @param USBx: Selected device
- * @param ch_num : Channel number
- * This parameter can be a value from 1 to 15
- * @param epnum: Endpoint number
- * This parameter can be a value from 1 to 15
- * @param dev_address: Current device address
- * This parameter can be a value from 0 to 255
- * @param speed: Current device speed
- * This parameter can be one of these values:
- * @arg USB_OTG_SPEED_HIGH: High speed mode
- * @arg USB_OTG_SPEED_FULL: Full speed mode
- * @arg USB_OTG_SPEED_LOW: Low speed mode
- * @param ep_type: Endpoint Type
- * This parameter can be one of these values:
- * @arg EP_TYPE_CTRL: Control type
- * @arg EP_TYPE_ISOC: Isochronous type
- * @arg EP_TYPE_BULK: Bulk type
- * @arg EP_TYPE_INTR: Interrupt type
- * @param mps: Max Packet Size
- * This parameter can be a value from 0 to32K
- * @retval HAL state
- */
- HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx,
- uint8_t ch_num,
- uint8_t epnum,
- uint8_t dev_address,
- uint8_t speed,
- uint8_t ep_type,
- uint16_t mps)
- {
-
- /* Clear old interrupt conditions for this host channel. */
- USBx_HC(ch_num)->HCINT = 0xFFFFFFFF;
-
- /* Enable channel interrupts required for this transfer. */
- switch (ep_type)
- {
- case EP_TYPE_CTRL:
- case EP_TYPE_BULK:
-
- USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM |\
- USB_OTG_HCINTMSK_STALLM |\
- USB_OTG_HCINTMSK_TXERRM |\
- USB_OTG_HCINTMSK_DTERRM |\
- USB_OTG_HCINTMSK_AHBERR |\
- USB_OTG_HCINTMSK_NAKM ;
-
- if (epnum & 0x80)
- {
- USBx_HC(ch_num)->HCINTMSK |= USB_OTG_HCINTMSK_BBERRM;
- }
- break;
-
- case EP_TYPE_INTR:
-
- USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM |\
- USB_OTG_HCINTMSK_STALLM |\
- USB_OTG_HCINTMSK_TXERRM |\
- USB_OTG_HCINTMSK_DTERRM |\
- USB_OTG_HCINTMSK_NAKM |\
- USB_OTG_HCINTMSK_AHBERR |\
- USB_OTG_HCINTMSK_FRMORM ;
-
- if (epnum & 0x80)
- {
- USBx_HC(ch_num)->HCINTMSK |= USB_OTG_HCINTMSK_BBERRM;
- }
-
- break;
- case EP_TYPE_ISOC:
-
- USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM |\
- USB_OTG_HCINTMSK_ACKM |\
- USB_OTG_HCINTMSK_AHBERR |\
- USB_OTG_HCINTMSK_FRMORM ;
-
- if (epnum & 0x80)
- {
- USBx_HC(ch_num)->HCINTMSK |= (USB_OTG_HCINTMSK_TXERRM | USB_OTG_HCINTMSK_BBERRM);
- }
- break;
- }
-
- /* Enable the top level host channel interrupt. */
- USBx_HOST->HAINTMSK |= (1 << ch_num);
-
- /* Make sure host channel interrupts are enabled. */
- USBx->GINTMSK |= USB_OTG_GINTMSK_HCIM;
-
- /* Program the HCCHAR register */
- USBx_HC(ch_num)->HCCHAR = (((dev_address << 22) & USB_OTG_HCCHAR_DAD) |\
- (((epnum & 0x7F)<< 11) & USB_OTG_HCCHAR_EPNUM)|\
- ((((epnum & 0x80) == 0x80)<< 15) & USB_OTG_HCCHAR_EPDIR)|\
- (((speed == HPRT0_PRTSPD_LOW_SPEED)<< 17) & USB_OTG_HCCHAR_LSDEV)|\
- ((ep_type << 18) & USB_OTG_HCCHAR_EPTYP)|\
- (mps & USB_OTG_HCCHAR_MPSIZ));
-
- if (ep_type == EP_TYPE_INTR)
- {
- USBx_HC(ch_num)->HCCHAR |= USB_OTG_HCCHAR_ODDFRM ;
- }
- return HAL_OK;
- }
- /**
- * @brief Start a transfer over a host channel
- * @param USBx: Selected device
- * @param hc: pointer to host channel structure
- * @param dma: USB dma enabled or disabled
- * This parameter can be one of these values:
- * 0 : DMA feature not used
- * 1 : DMA feature used
- * @retval HAL state
- */
- #if defined (__CC_ARM) /*!< ARM Compiler */
- #pragma O0
- #elif defined (__GNUC__) /*!< GNU Compiler */
- #pragma GCC optimize ("O0")
- #endif /* __CC_ARM */
- HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_HCTypeDef *hc, uint8_t dma)
- {
- uint8_t is_oddframe = 0;
- uint16_t len_words = 0;
- uint16_t num_packets = 0;
- uint16_t max_hc_pkt_count = 256;
- uint32_t tmpreg = 0;
-
- /* Compute the expected number of packets associated to the transfer */
- if (hc->xfer_len > 0)
- {
- num_packets = (hc->xfer_len + hc->max_packet - 1) / hc->max_packet;
-
- if (num_packets > max_hc_pkt_count)
- {
- num_packets = max_hc_pkt_count;
- hc->xfer_len = num_packets * hc->max_packet;
- }
- }
- else
- {
- num_packets = 1;
- }
- if (hc->ep_is_in)
- {
- hc->xfer_len = num_packets * hc->max_packet;
- }
-
- /* Initialize the HCTSIZn register */
- USBx_HC(hc->ch_num)->HCTSIZ = (((hc->xfer_len) & USB_OTG_HCTSIZ_XFRSIZ)) |\
- ((num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) |\
- (((hc->data_pid) << 29) & USB_OTG_HCTSIZ_DPID);
-
- if (dma)
- {
- /* xfer_buff MUST be 32-bits aligned */
- USBx_HC(hc->ch_num)->HCDMA = (uint32_t)hc->xfer_buff;
- }
-
- is_oddframe = (USBx_HOST->HFNUM & 0x01) ? 0 : 1;
- USBx_HC(hc->ch_num)->HCCHAR &= ~USB_OTG_HCCHAR_ODDFRM;
- USBx_HC(hc->ch_num)->HCCHAR |= (is_oddframe << 29);
-
- /* Set host channel enable */
- tmpreg = USBx_HC(hc->ch_num)->HCCHAR;
- tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
- tmpreg |= USB_OTG_HCCHAR_CHENA;
- USBx_HC(hc->ch_num)->HCCHAR = tmpreg;
-
- if (dma == 0) /* Slave mode */
- {
- if((hc->ep_is_in == 0) && (hc->xfer_len > 0))
- {
- switch(hc->ep_type)
- {
- /* Non periodic transfer */
- case EP_TYPE_CTRL:
- case EP_TYPE_BULK:
-
- len_words = (hc->xfer_len + 3) / 4;
-
- /* check if there is enough space in FIFO space */
- if(len_words > (USBx->HNPTXSTS & 0xFFFF))
- {
- /* need to process data in nptxfempty interrupt */
- USBx->GINTMSK |= USB_OTG_GINTMSK_NPTXFEM;
- }
- break;
- /* Periodic transfer */
- case EP_TYPE_INTR:
- case EP_TYPE_ISOC:
- len_words = (hc->xfer_len + 3) / 4;
- /* check if there is enough space in FIFO space */
- if(len_words > (USBx_HOST->HPTXSTS & 0xFFFF)) /* split the transfer */
- {
- /* need to process data in ptxfempty interrupt */
- USBx->GINTMSK |= USB_OTG_GINTMSK_PTXFEM;
- }
- break;
-
- default:
- break;
- }
-
- /* Write packet into the Tx FIFO. */
- USB_WritePacket(USBx, hc->xfer_buff, hc->ch_num, hc->xfer_len, 0);
- // Added for MBED PR #3432
- hc->xfer_count = hc->xfer_len;
- }
- }
-
- return HAL_OK;
- }
- /**
- * @brief Read all host channel interrupts status
- * @param USBx: Selected device
- * @retval HAL state
- */
- uint32_t USB_HC_ReadInterrupt (USB_OTG_GlobalTypeDef *USBx)
- {
- return ((USBx_HOST->HAINT) & 0xFFFF);
- }
- /**
- * @brief Halt a host channel
- * @param USBx: Selected device
- * @param hc_num: Host Channel number
- * This parameter can be a value from 1 to 15
- * @retval HAL state
- */
- HAL_StatusTypeDef USB_HC_Halt(USB_OTG_GlobalTypeDef *USBx , uint8_t hc_num)
- {
- uint32_t count = 0;
-
- /* Check for space in the request queue to issue the halt. */
- if (((USBx_HC(hc_num)->HCCHAR) & (HCCHAR_CTRL << 18)) || ((USBx_HC(hc_num)->HCCHAR) & (HCCHAR_BULK << 18)))
- {
- USBx_HC(hc_num)->HCCHAR |= USB_OTG_HCCHAR_CHDIS;
-
- if ((USBx->HNPTXSTS & 0xFFFF) == 0)
- {
- USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
- USBx_HC(hc_num)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
- USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_EPDIR;
- do
- {
- if (++count > 1000)
- {
- break;
- }
- }
- while ((USBx_HC(hc_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
- }
- else
- {
- USBx_HC(hc_num)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
- }
- }
- else
- {
- USBx_HC(hc_num)->HCCHAR |= USB_OTG_HCCHAR_CHDIS;
-
- if ((USBx_HOST->HPTXSTS & 0xFFFF) == 0)
- {
- USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
- USBx_HC(hc_num)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
- USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_EPDIR;
- do
- {
- if (++count > 1000)
- {
- break;
- }
- }
- while ((USBx_HC(hc_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
- }
- else
- {
- USBx_HC(hc_num)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
- }
- }
-
- return HAL_OK;
- }
- /**
- * @brief Initiate Do Ping protocol
- * @param USBx: Selected device
- * @param hc_num: Host Channel number
- * This parameter can be a value from 1 to 15
- * @retval HAL state
- */
- HAL_StatusTypeDef USB_DoPing(USB_OTG_GlobalTypeDef *USBx , uint8_t ch_num)
- {
- uint8_t num_packets = 1;
- uint32_t tmpreg = 0;
-
- USBx_HC(ch_num)->HCTSIZ = ((num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) |\
- USB_OTG_HCTSIZ_DOPING;
-
- /* Set host channel enable */
- tmpreg = USBx_HC(ch_num)->HCCHAR;
- tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
- tmpreg |= USB_OTG_HCCHAR_CHENA;
- USBx_HC(ch_num)->HCCHAR = tmpreg;
-
- return HAL_OK;
- }
- /**
- * @brief Stop Host Core
- * @param USBx: Selected device
- * @retval HAL state
- */
- HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx)
- {
- uint8_t index;
- uint32_t count = 0;
- uint32_t value = 0;
-
- USB_DisableGlobalInt(USBx);
-
- /* Flush FIFO */
- USB_FlushTxFifo(USBx, 0x10);
- USB_FlushRxFifo(USBx);
-
- /* Flush out any leftover queued requests. */
- for (index = 0; index <= 15; index++)
- {
- value = USBx_HC(index)->HCCHAR;
- value |= USB_OTG_HCCHAR_CHDIS;
- value &= ~USB_OTG_HCCHAR_CHENA;
- value &= ~USB_OTG_HCCHAR_EPDIR;
- USBx_HC(index)->HCCHAR = value;
- }
-
- /* Halt all channels to put them into a known state. */
- for (index = 0; index <= 15; index++)
- {
- value = USBx_HC(index)->HCCHAR ;
- value |= USB_OTG_HCCHAR_CHDIS;
- value |= USB_OTG_HCCHAR_CHENA;
- value &= ~USB_OTG_HCCHAR_EPDIR;
- USBx_HC(index)->HCCHAR = value;
-
- USBx_HC(index)->HCCHAR = value;
- do
- {
- if (++count > 1000)
- {
- break;
- }
- }
- while ((USBx_HC(index)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
- }
- /* Clear any pending Host interrupts */
- USBx_HOST->HAINT = 0xFFFFFFFF;
- USBx->GINTSTS = 0xFFFFFFFF;
- USB_EnableGlobalInt(USBx);
- return HAL_OK;
- }
- /**
- * @brief USB_ActivateRemoteWakeup : active remote wakeup signalling
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_ActivateRemoteWakeup(USB_OTG_GlobalTypeDef *USBx)
- {
- if((USBx_DEVICE->DSTS & USB_OTG_DSTS_SUSPSTS) == USB_OTG_DSTS_SUSPSTS)
- {
- /* active Remote wakeup signalling */
- USBx_DEVICE->DCTL |= USB_OTG_DCTL_RWUSIG;
- }
- return HAL_OK;
- }
- /**
- * @brief USB_DeActivateRemoteWakeup : de-active remote wakeup signalling
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DeActivateRemoteWakeup(USB_OTG_GlobalTypeDef *USBx)
- {
- /* active Remote wakeup signalling */
- USBx_DEVICE->DCTL &= ~(USB_OTG_DCTL_RWUSIG);
- return HAL_OK;
- }
- #endif /* USB_OTG_FS */
- /*==============================================================================
- USB Device FS peripheral available on STM32L432xx, STM32L433xx, STM32L442xx)
- and STM32L443xx devices
- ==============================================================================*/
- #if defined (USB)
- /**
- * @brief Initializes the USB Core
- * @param USBx: USB Instance
- * @param cfg : pointer to a USB_CfgTypeDef structure that contains
- * the configuration information for the specified USBx peripheral.
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_CoreInit(USB_TypeDef *USBx, USB_CfgTypeDef cfg)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(cfg);
- return HAL_OK;
- }
- /**
- * @brief USB_EnableGlobalInt
- * Enables the controller's Global Int in the AHB Config reg
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EnableGlobalInt(USB_TypeDef *USBx)
- {
- uint32_t winterruptmask = 0;
-
- /* Set winterruptmask variable */
- winterruptmask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \
- | USB_CNTR_ESOFM | USB_CNTR_RESETM;
-
- /* Set interrupt mask */
- USBx->CNTR |= winterruptmask;
-
- return HAL_OK;
- }
- /**
- * @brief USB_DisableGlobalInt
- * Disable the controller's Global Int in the AHB Config reg
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DisableGlobalInt(USB_TypeDef *USBx)
- {
- uint32_t winterruptmask = 0;
-
- /* Set winterruptmask variable */
- winterruptmask = USB_CNTR_CTRM | USB_CNTR_WKUPM | USB_CNTR_SUSPM | USB_CNTR_ERRM \
- | USB_CNTR_ESOFM | USB_CNTR_RESETM;
-
- /* Clear interrupt mask */
- USBx->CNTR &= ~winterruptmask;
-
- return HAL_OK;
- }
- /**
- * @brief USB_SetCurrentMode : Set functional mode
- * @param USBx : Selected device
- * @param mode : current core mode
- * This parameter can be one of the these values:
- * @arg USB_DEVICE_MODE: Peripheral mode mode
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_SetCurrentMode(USB_TypeDef *USBx , USB_ModeTypeDef mode)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(mode);
- return HAL_OK;
- }
- /**
- * @brief USB_DevInit : Initializes the USB controller registers
- * for device mode
- * @param USBx : Selected device
- * @param cfg : pointer to a USB_CfgTypeDef structure that contains
- * the configuration information for the specified USBx peripheral.
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DevInit (USB_TypeDef *USBx, USB_CfgTypeDef cfg)
- {
- /* Prevent unused argument(s) compilation warning */
- UNUSED(cfg);
- /* Init Device */
- /*CNTR_FRES = 1*/
- USBx->CNTR = USB_CNTR_FRES;
-
- /*CNTR_FRES = 0*/
- USBx->CNTR = 0;
-
- /*Clear pending interrupts*/
- USBx->ISTR = 0;
-
- /*Set Btable Address*/
- USBx->BTABLE = BTABLE_ADDRESS;
-
- return HAL_OK;
- }
- /**
- * @brief USB_FlushTxFifo : Flush a Tx FIFO
- * @param USBx : Selected device
- * @param num : FIFO number
- * This parameter can be a value from 1 to 15
- 15 means Flush all Tx FIFOs
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_FlushTxFifo (USB_TypeDef *USBx, uint32_t num )
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(num);
- return HAL_OK;
- }
- /**
- * @brief USB_FlushRxFifo : Flush Rx FIFO
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_FlushRxFifo(USB_TypeDef *USBx)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- return HAL_OK;
- }
- /**
- * @brief Activate and configure an endpoint
- * @param USBx : Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_ActivateEndpoint(USB_TypeDef *USBx, USB_EPTypeDef *ep)
- {
- /* initialize Endpoint */
- switch (ep->type)
- {
- case EP_TYPE_CTRL:
- PCD_SET_EPTYPE(USBx, ep->num, USB_EP_CONTROL);
- break;
- case EP_TYPE_BULK:
- PCD_SET_EPTYPE(USBx, ep->num, USB_EP_BULK);
- break;
- case EP_TYPE_INTR:
- PCD_SET_EPTYPE(USBx, ep->num, USB_EP_INTERRUPT);
- break;
- case EP_TYPE_ISOC:
- PCD_SET_EPTYPE(USBx, ep->num, USB_EP_ISOCHRONOUS);
- break;
- default:
- break;
- }
-
- PCD_SET_EP_ADDRESS(USBx, ep->num, ep->num);
-
- if (ep->doublebuffer == 0)
- {
- if (ep->is_in)
- {
- /*Set the endpoint Transmit buffer address */
- PCD_SET_EP_TX_ADDRESS(USBx, ep->num, ep->pmaadress);
- PCD_CLEAR_TX_DTOG(USBx, ep->num);
- /* Configure NAK status for the Endpoint*/
- PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_NAK);
- }
- else
- {
- /*Set the endpoint Receive buffer address */
- PCD_SET_EP_RX_ADDRESS(USBx, ep->num, ep->pmaadress);
- /*Set the endpoint Receive buffer counter*/
- PCD_SET_EP_RX_CNT(USBx, ep->num, ep->maxpacket);
- PCD_CLEAR_RX_DTOG(USBx, ep->num);
- /* Configure VALID status for the Endpoint*/
- PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
- }
- }
- /*Double Buffer*/
- else
- {
- /*Set the endpoint as double buffered*/
- PCD_SET_EP_DBUF(USBx, ep->num);
- /*Set buffer address for double buffered mode*/
- PCD_SET_EP_DBUF_ADDR(USBx, ep->num,ep->pmaaddr0, ep->pmaaddr1);
-
- if (ep->is_in==0)
- {
- /* Clear the data toggle bits for the endpoint IN/OUT*/
- PCD_CLEAR_RX_DTOG(USBx, ep->num);
- PCD_CLEAR_TX_DTOG(USBx, ep->num);
-
- /* Reset value of the data toggle bits for the endpoint out*/
- PCD_TX_DTOG(USBx, ep->num);
-
- PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
- PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
- }
- else
- {
- /* Clear the data toggle bits for the endpoint IN/OUT*/
- PCD_CLEAR_RX_DTOG(USBx, ep->num);
- PCD_CLEAR_TX_DTOG(USBx, ep->num);
- PCD_RX_DTOG(USBx, ep->num);
- /* Configure DISABLE status for the Endpoint*/
- PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
- PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
- }
- }
-
- return HAL_OK;
- }
- /**
- * @brief De-activate and de-initialize an endpoint
- * @param USBx : Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DeactivateEndpoint(USB_TypeDef *USBx, USB_EPTypeDef *ep)
- {
- if (ep->doublebuffer == 0)
- {
- if (ep->is_in)
- {
- PCD_CLEAR_TX_DTOG(USBx, ep->num);
- /* Configure DISABLE status for the Endpoint*/
- PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
- }
- else
- {
- PCD_CLEAR_RX_DTOG(USBx, ep->num);
- /* Configure DISABLE status for the Endpoint*/
- PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
- }
- }
- /*Double Buffer*/
- else
- {
- if (ep->is_in==0)
- {
- /* Clear the data toggle bits for the endpoint IN/OUT*/
- PCD_CLEAR_RX_DTOG(USBx, ep->num);
- PCD_CLEAR_TX_DTOG(USBx, ep->num);
-
- /* Reset value of the data toggle bits for the endpoint out*/
- PCD_TX_DTOG(USBx, ep->num);
-
- PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
- PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
- }
- else
- {
- /* Clear the data toggle bits for the endpoint IN/OUT*/
- PCD_CLEAR_RX_DTOG(USBx, ep->num);
- PCD_CLEAR_TX_DTOG(USBx, ep->num);
- PCD_RX_DTOG(USBx, ep->num);
- /* Configure DISABLE status for the Endpoint*/
- PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
- PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
- }
- }
-
- return HAL_OK;
- }
- /**
- * @brief USB_EPStartXfer : setup and starts a transfer over an EP
- * @param USBx : Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EPStartXfer(USB_TypeDef *USBx , USB_EPTypeDef *ep, uint8_t dma)
- {
- uint16_t pmabuffer = 0;
- uint32_t len = ep->xfer_len;
-
- /* IN endpoint */
- if (ep->is_in == 1)
- {
- /*Multi packet transfer*/
- if (ep->xfer_len > ep->maxpacket)
- {
- len=ep->maxpacket;
- ep->xfer_len-=len;
- }
- else
- {
- len=ep->xfer_len;
- ep->xfer_len =0;
- }
-
- /* configure and validate Tx endpoint */
- if (ep->doublebuffer == 0)
- {
- USB_WritePMA(USBx, ep->xfer_buff, ep->pmaadress, len);
- PCD_SET_EP_TX_CNT(USBx, ep->num, len);
- }
- else
- {
- /* Write the data to the USB endpoint */
- if (PCD_GET_ENDPOINT(USBx, ep->num)& USB_EP_DTOG_TX)
- {
- /* Set the Double buffer counter for pmabuffer1 */
- PCD_SET_EP_DBUF1_CNT(USBx, ep->num, ep->is_in, len);
- pmabuffer = ep->pmaaddr1;
- }
- else
- {
- /* Set the Double buffer counter for pmabuffer0 */
- PCD_SET_EP_DBUF0_CNT(USBx, ep->num, ep->is_in, len);
- pmabuffer = ep->pmaaddr0;
- }
- USB_WritePMA(USBx, ep->xfer_buff, pmabuffer, len);
- PCD_FreeUserBuffer(USBx, ep->num, ep->is_in);
- }
-
- PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_VALID);
- }
- else /* OUT endpoint */
- {
- /* Multi packet transfer*/
- if (ep->xfer_len > ep->maxpacket)
- {
- len=ep->maxpacket;
- ep->xfer_len-=len;
- }
- else
- {
- len=ep->xfer_len;
- ep->xfer_len =0;
- }
-
- /* configure and validate Rx endpoint */
- if (ep->doublebuffer == 0)
- {
- /*Set RX buffer count*/
- PCD_SET_EP_RX_CNT(USBx, ep->num, len);
- }
- else
- {
- /*Set the Double buffer counter*/
- PCD_SET_EP_DBUF1_CNT(USBx, ep->num, ep->is_in, len);
- }
-
- PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
- }
-
- return HAL_OK;
- }
- /**
- * @brief USB_WritePacket : Writes a packet into the Tx FIFO associated
- * with the EP/channel
- * @param USBx : Selected device
- * @param src : pointer to source buffer
- * @param ch_ep_num : endpoint or host channel number
- * @param len : Number of bytes to write
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_WritePacket(USB_TypeDef *USBx, uint8_t *src, uint8_t ch_ep_num, uint16_t len)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(src);
- UNUSED(ch_ep_num);
- UNUSED(len);
- return HAL_OK;
- }
- /**
- * @brief USB_ReadPacket : read a packet from the Tx FIFO associated
- * with the EP/channel
- * @param USBx : Selected device
- * @param dest : destination pointer
- * @param len : Number of bytes to read
- * @retval pointer to destination buffer
- */
- void *USB_ReadPacket(USB_TypeDef *USBx, uint8_t *dest, uint16_t len)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(dest);
- UNUSED(len);
- return ((void *)NULL);
- }
- /**
- * @brief USB_EPSetStall : set a stall condition over an EP
- * @param USBx : Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EPSetStall(USB_TypeDef *USBx , USB_EPTypeDef *ep)
- {
- if (ep->num == 0)
- {
- /* This macro sets STALL status for RX & TX*/
- PCD_SET_EP_TXRX_STATUS(USBx, ep->num, USB_EP_RX_STALL, USB_EP_TX_STALL);
- }
- else
- {
- if (ep->is_in)
- {
- PCD_SET_EP_TX_STATUS(USBx, ep->num , USB_EP_TX_STALL);
- }
- else
- {
- PCD_SET_EP_RX_STATUS(USBx, ep->num , USB_EP_RX_STALL);
- }
- }
- return HAL_OK;
- }
- /**
- * @brief USB_EPClearStall : Clear a stall condition over an EP
- * @param USBx : Selected device
- * @param ep: pointer to endpoint structure
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EPClearStall(USB_TypeDef *USBx, USB_EPTypeDef *ep)
- {
- if (ep->is_in)
- {
- PCD_CLEAR_TX_DTOG(USBx, ep->num);
- PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_VALID);
- }
- else
- {
- PCD_CLEAR_RX_DTOG(USBx, ep->num);
- PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
- }
- return HAL_OK;
- }
- /**
- * @brief USB_StopDevice : Stop the usb device mode
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_StopDevice(USB_TypeDef *USBx)
- {
- /* disable all interrupts and force USB reset */
- USBx->CNTR = USB_CNTR_FRES;
-
- /* clear interrupt status register */
- USBx->ISTR = 0;
-
- /* switch-off device */
- USBx->CNTR = (USB_CNTR_FRES | USB_CNTR_PDWN);
-
- return HAL_OK;
- }
- /**
- * @brief USB_SetDevAddress : Stop the usb device mode
- * @param USBx : Selected device
- * @param address : new device address to be assigned
- * This parameter can be a value from 0 to 255
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_SetDevAddress (USB_TypeDef *USBx, uint8_t address)
- {
- if(address == 0)
- {
- /* set device address and enable function */
- USBx->DADDR = USB_DADDR_EF;
- }
-
- return HAL_OK;
- }
- /**
- * @brief USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DevConnect (USB_TypeDef *USBx)
- {
- /* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */
- USB->BCDR |= USB_BCDR_DPPU;
-
- return HAL_OK;
- }
- /**
- * @brief USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DevDisconnect (USB_TypeDef *USBx)
- {
- /* Disable DP Pull-Down bit*/
- USB->BCDR &= ~(USB_BCDR_DPPU);
-
- return HAL_OK;
- }
- /**
- * @brief USB_ReadInterrupts: return the global USB interrupt status
- * @param USBx : Selected device
- * @retval HAL status
- */
- uint32_t USB_ReadInterrupts (USB_TypeDef *USBx)
- {
- uint32_t tmpreg = 0;
-
- tmpreg = USBx->ISTR;
- return tmpreg;
- }
- /**
- * @brief USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status
- * @param USBx : Selected device
- * @retval HAL status
- */
- uint32_t USB_ReadDevAllOutEpInterrupt (USB_TypeDef *USBx)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- return (0);
- }
- /**
- * @brief USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status
- * @param USBx : Selected device
- * @retval HAL status
- */
- uint32_t USB_ReadDevAllInEpInterrupt (USB_TypeDef *USBx)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- return (0);
- }
- /**
- * @brief Returns Device OUT EP Interrupt register
- * @param USBx : Selected device
- * @param epnum : endpoint number
- * This parameter can be a value from 0 to 15
- * @retval Device OUT EP Interrupt register
- */
- uint32_t USB_ReadDevOutEPInterrupt (USB_TypeDef *USBx , uint8_t epnum)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(epnum);
- return (0);
- }
- /**
- * @brief Returns Device IN EP Interrupt register
- * @param USBx : Selected device
- * @param epnum : endpoint number
- * This parameter can be a value from 0 to 15
- * @retval Device IN EP Interrupt register
- */
- uint32_t USB_ReadDevInEPInterrupt (USB_TypeDef *USBx , uint8_t epnum)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(epnum);
- return (0);
- }
- /**
- * @brief USB_ClearInterrupts: clear a USB interrupt
- * @param USBx : Selected device
- * @param interrupt : interrupt flag
- * @retval None
- */
- void USB_ClearInterrupts (USB_TypeDef *USBx, uint32_t interrupt)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(interrupt);
- }
- /**
- * @brief Prepare the EP0 to start the first control setup
- * @param USBx : Selected device
- * @param psetup : pointer to setup packet
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_EP0_OutStart(USB_TypeDef *USBx, uint8_t dma ,uint8_t *psetup)
- {
- /* NOTE : - This function is not required by USB Device FS peripheral, it is used
- only by USB OTG FS peripheral.
- - This function is added to ensure compatibility across platforms.
- */
- /* Prevent unused argument(s) compilation warning */
- UNUSED(USBx);
- UNUSED(psetup);
- UNUSED(dma);
-
- return HAL_OK;
- }
- /**
- * @brief USB_ActivateRemoteWakeup : active remote wakeup signalling
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_ActivateRemoteWakeup(USB_TypeDef *USBx)
- {
- USBx->CNTR |= USB_CNTR_RESUME;
-
- return HAL_OK;
- }
- /**
- * @brief USB_DeActivateRemoteWakeup : de-active remote wakeup signalling
- * @param USBx : Selected device
- * @retval HAL status
- */
- HAL_StatusTypeDef USB_DeActivateRemoteWakeup(USB_TypeDef *USBx)
- {
- USBx->CNTR &= ~(USB_CNTR_RESUME);
- return HAL_OK;
- }
- /**
- * @brief Copy a buffer from user memory area to packet memory area (PMA)
- * @param USBx : pointer to USB register.
- * @param pbUsrBuf : pointer to user memory area.
- * @param wPMABufAddr : address into PMA.
- * @param wNBytes : number of bytes to be copied.
- * @retval None
- */
- void USB_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
- {
- uint32_t n = (wNBytes + 1) >> 1;
- uint32_t i;
- uint16_t temp1, temp2;
- uint16_t *pdwVal;
- pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
- for (i = n; i != 0; i--)
- {
- temp1 = (uint16_t) * pbUsrBuf;
- pbUsrBuf++;
- temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
- *pdwVal++ = temp2;
- pbUsrBuf++;
- }
- }
- /**
- * @brief Copy a buffer from user memory area to packet memory area (PMA)
- * @param USBx : pointer to USB register.
- * @param pbUsrBuf : pointer to user memory area.
- * @param wPMABufAddr : address into PMA.
- * @param wNBytes : number of bytes to be copied.
- * @retval None
- */
- void USB_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
- {
- uint32_t n = (wNBytes + 1) >> 1;
- uint32_t i;
- uint16_t *pdwVal;
- pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
- for (i = n; i != 0; i--)
- {
- *(uint16_t*)pbUsrBuf++ = *pdwVal++;
- pbUsrBuf++;
- }
- }
- #endif /* USB */
- /**
- * @}
- */
- /**
- * @}
- */
- #if defined (USB_OTG_FS)
- /** @addtogroup USB_LL_Private_Functions
- * @{
- */
- /**
- * @brief Reset the USB Core (needed after USB clock settings change)
- * @param USBx : Selected device
- * @retval HAL status
- */
- static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx)
- {
- uint32_t count = 0;
-
- /* Wait for AHB master IDLE state. */
- do
- {
- if (++count > 200000)
- {
- return HAL_TIMEOUT;
- }
- }
- while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0);
-
- /* Core Soft Reset */
- count = 0;
- USBx->GRSTCTL |= USB_OTG_GRSTCTL_CSRST;
-
- do
- {
- if (++count > 200000)
- {
- return HAL_TIMEOUT;
- }
- }
- while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST);
-
- return HAL_OK;
- }
- /**
- * @}
- */
- #endif /* USB_OTG_FS */
- #endif /* STM32L432xx || STM32L433xx || STM32L442xx || STM32L443xx || */
- /* STM32L452xx || STM32L462xx || */
- /* STM32L475xx || STM32L476xx || STM32L485xx || STM32L486xx || */
- /* STM32L496xx || STM32L4A6xx || */
- /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
- #endif /* defined (HAL_PCD_MODULE_ENABLED) || defined (HAL_HCD_MODULE_ENABLED) */
- /**
- * @}
- */
- /**
- * @}
- */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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