diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c | 1989 |
1 files changed, 1989 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c new file mode 100644 index 0000000000..1e4ae32fd1 --- /dev/null +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c @@ -0,0 +1,1989 @@ +/**
+ ******************************************************************************
+ * @file stm32h7xx_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.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7xx_hal.h"
+
+/** @addtogroup STM32H7xx_LL_USB_DRIVER
+ * @{
+ */
+
+#if defined (HAL_PCD_MODULE_ENABLED) || defined (HAL_HCD_MODULE_ENABLED)
+#if defined (USB_OTG_FS) || defined (USB_OTG_HS)
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+#if defined (USB_OTG_FS) || defined (USB_OTG_HS)
+static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx);
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup USB_LL_Exported_Functions USB Low Layer Exported Functions
+ * @{
+ */
+
+/** @defgroup USB_LL_Exported_Functions_Group1 Initialization/de-initialization functions
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization/de-initialization functions #####
+ ===============================================================================
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @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)
+{
+ HAL_StatusTypeDef ret;
+
+ if (cfg.phy_itface == USB_OTG_ULPI_PHY)
+ {
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_PWRDWN);
+
+ /* Init The ULPI Interface */
+ USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_TSDPS | USB_OTG_GUSBCFG_ULPIFSLS | USB_OTG_GUSBCFG_PHYSEL);
+
+ /* Select vbus source */
+ USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_ULPIEVBUSD | USB_OTG_GUSBCFG_ULPIEVBUSI);
+ if (cfg.use_external_vbus == 1U)
+ {
+ USBx->GUSBCFG |= USB_OTG_GUSBCFG_ULPIEVBUSD;
+ }
+ /* Reset after a PHY select */
+ ret = USB_CoreReset(USBx);
+ }
+ else /* FS interface (embedded Phy) */
+ {
+ /* Select FS Embedded PHY */
+ USBx->GUSBCFG |= USB_OTG_GUSBCFG_PHYSEL;
+
+ /* Reset after a PHY select and set Host mode */
+ ret = USB_CoreReset(USBx);
+
+ if (cfg.battery_charging_enable == 0U)
+ {
+ /* Activate the USB Transceiver */
+ USBx->GCCFG |= USB_OTG_GCCFG_PWRDWN;
+ }
+ else
+ {
+ /* Deactivate the USB Transceiver */
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_PWRDWN);
+ }
+ }
+
+ if (cfg.dma_enable == 1U)
+ {
+ USBx->GAHBCFG |= USB_OTG_GAHBCFG_HBSTLEN_2;
+ USBx->GAHBCFG |= USB_OTG_GAHBCFG_DMAEN;
+ }
+
+ return ret;
+}
+
+
+/**
+ * @brief Set the USB turnaround time
+ * @param USBx USB Instance
+ * @param hclk: AHB clock frequency
+ * @retval USB turnaround time In PHY Clocks number
+ */
+HAL_StatusTypeDef USB_SetTurnaroundTime(USB_OTG_GlobalTypeDef *USBx,
+ uint32_t hclk, uint8_t speed)
+{
+ uint32_t UsbTrd;
+
+ /* The USBTRD is configured according to the tables below, depending on AHB frequency
+ used by application. In the low AHB frequency range it is used to stretch enough the USB response
+ time to IN tokens, the USB turnaround time, so to compensate for the longer AHB read access
+ latency to the Data FIFO */
+ if (speed == USBD_FS_SPEED)
+ {
+ if ((hclk >= 14200000U) && (hclk < 15000000U))
+ {
+ /* hclk Clock Range between 14.2-15 MHz */
+ UsbTrd = 0xFU;
+ }
+ else if ((hclk >= 15000000U) && (hclk < 16000000U))
+ {
+ /* hclk Clock Range between 15-16 MHz */
+ UsbTrd = 0xEU;
+ }
+ else if ((hclk >= 16000000U) && (hclk < 17200000U))
+ {
+ /* hclk Clock Range between 16-17.2 MHz */
+ UsbTrd = 0xDU;
+ }
+ else if ((hclk >= 17200000U) && (hclk < 18500000U))
+ {
+ /* hclk Clock Range between 17.2-18.5 MHz */
+ UsbTrd = 0xCU;
+ }
+ else if ((hclk >= 18500000U) && (hclk < 20000000U))
+ {
+ /* hclk Clock Range between 18.5-20 MHz */
+ UsbTrd = 0xBU;
+ }
+ else if ((hclk >= 20000000U) && (hclk < 21800000U))
+ {
+ /* hclk Clock Range between 20-21.8 MHz */
+ UsbTrd = 0xAU;
+ }
+ else if ((hclk >= 21800000U) && (hclk < 24000000U))
+ {
+ /* hclk Clock Range between 21.8-24 MHz */
+ UsbTrd = 0x9U;
+ }
+ else if ((hclk >= 24000000U) && (hclk < 27700000U))
+ {
+ /* hclk Clock Range between 24-27.7 MHz */
+ UsbTrd = 0x8U;
+ }
+ else if ((hclk >= 27700000U) && (hclk < 32000000U))
+ {
+ /* hclk Clock Range between 27.7-32 MHz */
+ UsbTrd = 0x7U;
+ }
+ else /* if(hclk >= 32000000) */
+ {
+ /* hclk Clock Range between 32-200 MHz */
+ UsbTrd = 0x6U;
+ }
+ }
+ else if (speed == USBD_HS_SPEED)
+ {
+ UsbTrd = USBD_HS_TRDT_VALUE;
+ }
+ else
+ {
+ UsbTrd = USBD_DEFAULT_TRDT_VALUE;
+ }
+
+ USBx->GUSBCFG &= ~USB_OTG_GUSBCFG_TRDT;
+ USBx->GUSBCFG |= (uint32_t)((UsbTrd << 10) & USB_OTG_GUSBCFG_TRDT);
+
+ 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_DEVICE_MODE: Peripheral mode
+ * @arg USB_HOST_MODE: Host mode
+ * @arg USB_DRD_MODE: Dual Role Device mode
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_SetCurrentMode(USB_OTG_GlobalTypeDef *USBx, USB_OTG_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;
+ }
+ else
+ {
+ return HAL_ERROR;
+ }
+ HAL_Delay(50U);
+
+ 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)
+{
+ HAL_StatusTypeDef ret = HAL_OK;
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t i;
+
+ for (i = 0U; i < 15U; i++)
+ {
+ USBx->DIEPTXF[i] = 0U;
+ }
+
+ /* VBUS Sensing setup */
+ if (cfg.vbus_sensing_enable == 0U)
+ {
+ USBx_DEVICE->DCTL |= USB_OTG_DCTL_SDIS;
+
+ /* 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;
+ }
+ else
+ {
+ /* Enable HW VBUS sensing */
+ USBx->GCCFG |= USB_OTG_GCCFG_VBDEN;
+ }
+
+ /* Restart the Phy Clock */
+ USBx_PCGCCTL = 0U;
+
+ /* Device mode configuration */
+ USBx_DEVICE->DCFG |= DCFG_FRAME_INTERVAL_80;
+
+ if (cfg.phy_itface == USB_OTG_ULPI_PHY)
+ {
+ if (cfg.speed == USBD_HS_SPEED)
+ {
+ /* Set Core speed to High speed mode */
+ (void)USB_SetDevSpeed(USBx, USB_OTG_SPEED_HIGH);
+ }
+ else
+ {
+ /* Set Core speed to Full speed mode */
+ (void)USB_SetDevSpeed(USBx, USB_OTG_SPEED_HIGH_IN_FULL);
+ }
+ }
+ else
+ {
+ /* Set Core speed to Full speed mode */
+ (void)USB_SetDevSpeed(USBx, USB_OTG_SPEED_FULL);
+ }
+
+ /* Flush the FIFOs */
+ if (USB_FlushTxFifo(USBx, 0x10U) != HAL_OK) /* all Tx FIFOs */
+ {
+ ret = HAL_ERROR;
+ }
+
+ if (USB_FlushRxFifo(USBx) != HAL_OK)
+ {
+ ret = HAL_ERROR;
+ }
+
+ /* Clear all pending Device Interrupts */
+ USBx_DEVICE->DIEPMSK = 0U;
+ USBx_DEVICE->DOEPMSK = 0U;
+ USBx_DEVICE->DAINTMSK = 0U;
+
+ for (i = 0U; i < cfg.dev_endpoints; i++)
+ {
+ if ((USBx_INEP(i)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA)
+ {
+ if (i == 0U)
+ {
+ USBx_INEP(i)->DIEPCTL = USB_OTG_DIEPCTL_SNAK;
+ }
+ else
+ {
+ USBx_INEP(i)->DIEPCTL = USB_OTG_DIEPCTL_EPDIS | USB_OTG_DIEPCTL_SNAK;
+ }
+ }
+ else
+ {
+ USBx_INEP(i)->DIEPCTL = 0U;
+ }
+
+ USBx_INEP(i)->DIEPTSIZ = 0U;
+ USBx_INEP(i)->DIEPINT = 0xFB7FU;
+ }
+
+ for (i = 0U; i < cfg.dev_endpoints; i++)
+ {
+ if ((USBx_OUTEP(i)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA)
+ {
+ if (i == 0U)
+ {
+ USBx_OUTEP(i)->DOEPCTL = USB_OTG_DOEPCTL_SNAK;
+ }
+ else
+ {
+ USBx_OUTEP(i)->DOEPCTL = USB_OTG_DOEPCTL_EPDIS | USB_OTG_DOEPCTL_SNAK;
+ }
+ }
+ else
+ {
+ USBx_OUTEP(i)->DOEPCTL = 0U;
+ }
+
+ USBx_OUTEP(i)->DOEPTSIZ = 0U;
+ USBx_OUTEP(i)->DOEPINT = 0xFB7FU;
+ }
+
+ USBx_DEVICE->DIEPMSK &= ~(USB_OTG_DIEPMSK_TXFURM);
+
+ /* Disable all interrupts. */
+ USBx->GINTMSK = 0U;
+
+ /* Clear any pending interrupts */
+ USBx->GINTSTS = 0xBFFFFFFFU;
+
+ /* Enable the common interrupts */
+ if (cfg.dma_enable == 0U)
+ {
+ 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 != 0U)
+ {
+ USBx->GINTMSK |= USB_OTG_GINTMSK_SOFM;
+ }
+
+ if (cfg.vbus_sensing_enable == 1U)
+ {
+ USBx->GINTMSK |= (USB_OTG_GINTMSK_SRQIM | USB_OTG_GINTMSK_OTGINT);
+ }
+
+ return ret;
+}
+
+/**
+ * @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 = 0U;
+
+ USBx->GRSTCTL = (USB_OTG_GRSTCTL_TXFFLSH | (num << 6));
+
+ do
+ {
+ if (++count > 200000U)
+ {
+ 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 > 200000U)
+ {
+ 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
+ * @retval Hal status
+ */
+HAL_StatusTypeDef USB_SetDevSpeed(USB_OTG_GlobalTypeDef *USBx, uint8_t speed)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ 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 PCD_SPEED_HIGH: High speed mode
+ * @arg PCD_SPEED_FULL: Full speed mode
+ */
+uint8_t USB_GetDevSpeed(USB_OTG_GlobalTypeDef *USBx)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint8_t speed;
+ uint32_t DevEnumSpeed = USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD;
+
+ if (DevEnumSpeed == DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ)
+ {
+ speed = USBD_HS_SPEED;
+ }
+ else if ((DevEnumSpeed == DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ) ||
+ (DevEnumSpeed == DSTS_ENUMSPD_FS_PHY_48MHZ))
+ {
+ speed = USBD_FS_SPEED;
+ }
+ else
+ {
+ speed = 0xFU;
+ }
+
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t epnum = (uint32_t)ep->num;
+
+ if (ep->is_in == 1U)
+ {
+ USBx_DEVICE->DAINTMSK |= USB_OTG_DAINTMSK_IEPM & (uint32_t)(1UL << (ep->num & EP_ADDR_MSK));
+
+ if ((USBx_INEP(epnum)->DIEPCTL & USB_OTG_DIEPCTL_USBAEP) == 0U)
+ {
+ USBx_INEP(epnum)->DIEPCTL |= (ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ) |
+ ((uint32_t)ep->type << 18) | (epnum << 22) |
+ USB_OTG_DIEPCTL_SD0PID_SEVNFRM |
+ USB_OTG_DIEPCTL_USBAEP;
+ }
+ }
+ else
+ {
+ USBx_DEVICE->DAINTMSK |= USB_OTG_DAINTMSK_OEPM & ((uint32_t)(1UL << (ep->num & EP_ADDR_MSK)) << 16);
+
+ if (((USBx_OUTEP(epnum)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0U)
+ {
+ USBx_OUTEP(epnum)->DOEPCTL |= (ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ) |
+ ((uint32_t)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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t epnum = (uint32_t)ep->num;
+
+ /* Read DEPCTLn register */
+ if (ep->is_in == 1U)
+ {
+ if (((USBx_INEP(epnum)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0U)
+ {
+ USBx_INEP(epnum)->DIEPCTL |= (ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ) |
+ ((uint32_t)ep->type << 18) | (epnum << 22) |
+ USB_OTG_DIEPCTL_SD0PID_SEVNFRM |
+ USB_OTG_DIEPCTL_USBAEP;
+ }
+
+ USBx_DEVICE->DEACHMSK |= USB_OTG_DAINTMSK_IEPM & (uint32_t)(1UL << (ep->num & EP_ADDR_MSK));
+ }
+ else
+ {
+ if (((USBx_OUTEP(epnum)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0U)
+ {
+ USBx_OUTEP(epnum)->DOEPCTL |= (ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ) |
+ ((uint32_t)ep->type << 18) | (epnum << 22) |
+ USB_OTG_DOEPCTL_USBAEP;
+ }
+
+ USBx_DEVICE->DEACHMSK |= USB_OTG_DAINTMSK_OEPM & ((uint32_t)(1UL << (ep->num & EP_ADDR_MSK)) << 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t epnum = (uint32_t)ep->num;
+
+ /* Read DEPCTLn register */
+ if (ep->is_in == 1U)
+ {
+ USBx_DEVICE->DEACHMSK &= ~(USB_OTG_DAINTMSK_IEPM & (uint32_t)(1UL << (ep->num & EP_ADDR_MSK)));
+ USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & (uint32_t)(1UL << (ep->num & EP_ADDR_MSK)));
+ USBx_INEP(epnum)->DIEPCTL &= ~(USB_OTG_DIEPCTL_USBAEP |
+ USB_OTG_DIEPCTL_MPSIZ |
+ USB_OTG_DIEPCTL_TXFNUM |
+ USB_OTG_DIEPCTL_SD0PID_SEVNFRM |
+ USB_OTG_DIEPCTL_EPTYP);
+ }
+ else
+ {
+ USBx_DEVICE->DEACHMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((uint32_t)(1UL << (ep->num & EP_ADDR_MSK)) << 16));
+ USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((uint32_t)(1UL << (ep->num & EP_ADDR_MSK)) << 16));
+ USBx_OUTEP(epnum)->DOEPCTL &= ~(USB_OTG_DOEPCTL_USBAEP |
+ USB_OTG_DOEPCTL_MPSIZ |
+ USB_OTG_DOEPCTL_SD0PID_SEVNFRM |
+ USB_OTG_DOEPCTL_EPTYP);
+ }
+
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t epnum = (uint32_t)ep->num;
+
+ /* Read DEPCTLn register */
+ if (ep->is_in == 1U)
+ {
+ USBx_INEP(epnum)->DIEPCTL &= ~ USB_OTG_DIEPCTL_USBAEP;
+ USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & (uint32_t)(1UL << (ep->num & EP_ADDR_MSK)));
+ }
+ else
+ {
+ USBx_OUTEP(epnum)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
+ USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((uint32_t)(1UL << (ep->num & EP_ADDR_MSK)) << 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t epnum = (uint32_t)ep->num;
+ uint16_t pktcnt;
+
+ /* IN endpoint */
+ if (ep->is_in == 1U)
+ {
+ /* Zero Length Packet? */
+ if (ep->xfer_len == 0U)
+ {
+ USBx_INEP(epnum)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
+ USBx_INEP(epnum)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (1U << 19));
+ USBx_INEP(epnum)->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(epnum)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
+ USBx_INEP(epnum)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
+ USBx_INEP(epnum)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (((ep->xfer_len + ep->maxpacket - 1U) / ep->maxpacket) << 19));
+ USBx_INEP(epnum)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
+
+ if (ep->type == EP_TYPE_ISOC)
+ {
+ USBx_INEP(epnum)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_MULCNT);
+ USBx_INEP(epnum)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_MULCNT & (1U << 29));
+ }
+ }
+
+ if (dma == 1U)
+ {
+ if ((uint32_t)ep->dma_addr != 0U)
+ {
+ USBx_INEP(epnum)->DIEPDMA = (uint32_t)(ep->dma_addr);
+ }
+
+ if (ep->type == EP_TYPE_ISOC)
+ {
+ if ((USBx_DEVICE->DSTS & (1U << 8)) == 0U)
+ {
+ USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_SODDFRM;
+ }
+ else
+ {
+ USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_SD0PID_SEVNFRM;
+ }
+ }
+
+ /* EP enable, IN data in FIFO */
+ USBx_INEP(epnum)->DIEPCTL |= (USB_OTG_DIEPCTL_CNAK | USB_OTG_DIEPCTL_EPENA);
+ }
+ else
+ {
+ /* EP enable, IN data in FIFO */
+ USBx_INEP(epnum)->DIEPCTL |= (USB_OTG_DIEPCTL_CNAK | USB_OTG_DIEPCTL_EPENA);
+
+ if (ep->type != EP_TYPE_ISOC)
+ {
+ /* Enable the Tx FIFO Empty Interrupt for this EP */
+ if (ep->xfer_len > 0U)
+ {
+ USBx_DEVICE->DIEPEMPMSK |= 1UL << (ep->num & EP_ADDR_MSK);
+ }
+ }
+ else
+ {
+ if ((USBx_DEVICE->DSTS & (1U << 8)) == 0U)
+ {
+ USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_SODDFRM;
+ }
+ else
+ {
+ USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_SD0PID_SEVNFRM;
+ }
+
+ (void)USB_WritePacket(USBx, ep->xfer_buff, ep->num, (uint16_t)ep->xfer_len, dma);
+ }
+ }
+ }
+ else /* OUT endpoint */
+ {
+ /* Program the transfer size and packet count as follows:
+ * pktcnt = N
+ * xfersize = N * maxpacket
+ */
+ USBx_OUTEP(epnum)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
+ USBx_OUTEP(epnum)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
+
+ if (ep->xfer_len == 0U)
+ {
+ USBx_OUTEP(epnum)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_XFRSIZ & ep->maxpacket);
+ USBx_OUTEP(epnum)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_PKTCNT & (1U << 19));
+ }
+ else
+ {
+ pktcnt = (uint16_t)((ep->xfer_len + ep->maxpacket - 1U) / ep->maxpacket);
+ USBx_OUTEP(epnum)->DOEPTSIZ |= USB_OTG_DOEPTSIZ_PKTCNT & ((uint32_t)pktcnt << 19);
+ USBx_OUTEP(epnum)->DOEPTSIZ |= USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket * pktcnt);
+ }
+
+ if (dma == 1U)
+ {
+ if ((uint32_t)ep->xfer_buff != 0U)
+ {
+ USBx_OUTEP(epnum)->DOEPDMA = (uint32_t)(ep->xfer_buff);
+ }
+ }
+
+ if (ep->type == EP_TYPE_ISOC)
+ {
+ if ((USBx_DEVICE->DSTS & (1U << 8)) == 0U)
+ {
+ USBx_OUTEP(epnum)->DOEPCTL |= USB_OTG_DOEPCTL_SODDFRM;
+ }
+ else
+ {
+ USBx_OUTEP(epnum)->DOEPCTL |= USB_OTG_DOEPCTL_SD0PID_SEVNFRM;
+ }
+ }
+ /* EP enable */
+ USBx_OUTEP(epnum)->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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t epnum = (uint32_t)ep->num;
+
+ /* IN endpoint */
+ if (ep->is_in == 1U)
+ {
+ /* Zero Length Packet? */
+ if (ep->xfer_len == 0U)
+ {
+ USBx_INEP(epnum)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
+ USBx_INEP(epnum)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (1U << 19));
+ USBx_INEP(epnum)->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(epnum)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
+ USBx_INEP(epnum)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
+
+ if (ep->xfer_len > ep->maxpacket)
+ {
+ ep->xfer_len = ep->maxpacket;
+ }
+ USBx_INEP(epnum)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (1U << 19));
+ USBx_INEP(epnum)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
+ }
+
+ if (dma == 1U)
+ {
+ if ((uint32_t)ep->dma_addr != 0U)
+ {
+ USBx_INEP(epnum)->DIEPDMA = (uint32_t)(ep->dma_addr);
+ }
+
+ /* EP enable, IN data in FIFO */
+ USBx_INEP(epnum)->DIEPCTL |= (USB_OTG_DIEPCTL_CNAK | USB_OTG_DIEPCTL_EPENA);
+ }
+ else
+ {
+ /* EP enable, IN data in FIFO */
+ USBx_INEP(epnum)->DIEPCTL |= (USB_OTG_DIEPCTL_CNAK | USB_OTG_DIEPCTL_EPENA);
+
+ /* Enable the Tx FIFO Empty Interrupt for this EP */
+ if (ep->xfer_len > 0U)
+ {
+ USBx_DEVICE->DIEPEMPMSK |= 1UL << (ep->num & EP_ADDR_MSK);
+ }
+ }
+ }
+ else /* OUT endpoint */
+ {
+ /* Program the transfer size and packet count as follows:
+ * pktcnt = N
+ * xfersize = N * maxpacket
+ */
+ USBx_OUTEP(epnum)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
+ USBx_OUTEP(epnum)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
+
+ if (ep->xfer_len > 0U)
+ {
+ ep->xfer_len = ep->maxpacket;
+ }
+
+ USBx_OUTEP(epnum)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_PKTCNT & (1U << 19));
+ USBx_OUTEP(epnum)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket));
+
+ if (dma == 1U)
+ {
+ if ((uint32_t)ep->xfer_buff != 0U)
+ {
+ USBx_OUTEP(epnum)->DOEPDMA = (uint32_t)(ep->xfer_buff);
+ }
+ }
+
+ /* EP enable */
+ USBx_OUTEP(epnum)->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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t *pSrc = (uint32_t *)src;
+ uint32_t count32b, i;
+
+ if (dma == 0U)
+ {
+ count32b = ((uint32_t)len + 3U) / 4U;
+ for (i = 0U; i < count32b; i++)
+ {
+ USBx_DFIFO((uint32_t)ch_ep_num) = __UNALIGNED_UINT32_READ(pSrc);
+ pSrc++;
+ }
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @brief USB_ReadPacket : read a packet from the RX FIFO
+ * @param USBx Selected device
+ * @param dest source pointer
+ * @param len Number of bytes to read
+ * @retval pointer to destination buffer
+ */
+void *USB_ReadPacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *dest, uint16_t len)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t *pDest = (uint32_t *)dest;
+ uint32_t i;
+ uint32_t count32b = ((uint32_t)len + 3U) / 4U;
+
+ for (i = 0U; i < count32b; i++)
+ {
+ __UNALIGNED_UINT32_WRITE(pDest, USBx_DFIFO(0U));
+ pDest++;
+ }
+
+ return ((void *)pDest);
+}
+
+/**
+ * @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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t epnum = (uint32_t)ep->num;
+
+ if (ep->is_in == 1U)
+ {
+ if (((USBx_INEP(epnum)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == 0U) && (epnum != 0U))
+ {
+ USBx_INEP(epnum)->DIEPCTL &= ~(USB_OTG_DIEPCTL_EPDIS);
+ }
+ USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_STALL;
+ }
+ else
+ {
+ if (((USBx_OUTEP(epnum)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == 0U) && (epnum != 0U))
+ {
+ USBx_OUTEP(epnum)->DOEPCTL &= ~(USB_OTG_DOEPCTL_EPDIS);
+ }
+ USBx_OUTEP(epnum)->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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t epnum = (uint32_t)ep->num;
+
+ if (ep->is_in == 1U)
+ {
+ USBx_INEP(epnum)->DIEPCTL &= ~USB_OTG_DIEPCTL_STALL;
+ if ((ep->type == EP_TYPE_INTR) || (ep->type == EP_TYPE_BULK))
+ {
+ USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_SD0PID_SEVNFRM; /* DATA0 */
+ }
+ }
+ else
+ {
+ USBx_OUTEP(epnum)->DOEPCTL &= ~USB_OTG_DOEPCTL_STALL;
+ if ((ep->type == EP_TYPE_INTR) || (ep->type == EP_TYPE_BULK))
+ {
+ USBx_OUTEP(epnum)->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)
+{
+ HAL_StatusTypeDef ret;
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t i;
+
+ /* Clear Pending interrupt */
+ for (i = 0U; i < 15U; i++)
+ {
+ USBx_INEP(i)->DIEPINT = 0xFB7FU;
+ USBx_OUTEP(i)->DOEPINT = 0xFB7FU;
+ }
+
+ /* Clear interrupt masks */
+ USBx_DEVICE->DIEPMSK = 0U;
+ USBx_DEVICE->DOEPMSK = 0U;
+ USBx_DEVICE->DAINTMSK = 0U;
+
+ /* Flush the FIFO */
+ ret = USB_FlushRxFifo(USBx);
+ if (ret != HAL_OK)
+ {
+ return ret;
+ }
+
+ ret = USB_FlushTxFifo(USBx, 0x10U);
+ if (ret != HAL_OK)
+ {
+ return ret;
+ }
+
+ return ret;
+}
+
+/**
+ * @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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ USBx_DEVICE->DCFG &= ~(USB_OTG_DCFG_DAD);
+ USBx_DEVICE->DCFG |= ((uint32_t)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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_SDIS;
+ HAL_Delay(3U);
+
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ USBx_DEVICE->DCTL |= USB_OTG_DCTL_SDIS;
+ HAL_Delay(3U);
+
+ 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;
+
+ 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 USBx_BASE = (uint32_t)USBx;
+ uint32_t tmpreg;
+
+ tmpreg = USBx_DEVICE->DAINT;
+ tmpreg &= USBx_DEVICE->DAINTMSK;
+
+ return ((tmpreg & 0xffff0000U) >> 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 USBx_BASE = (uint32_t)USBx;
+ uint32_t tmpreg;
+
+ tmpreg = USBx_DEVICE->DAINT;
+ tmpreg &= USBx_DEVICE->DAINTMSK;
+
+ return ((tmpreg & 0xFFFFU));
+}
+
+/**
+ * @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 USBx_BASE = (uint32_t)USBx;
+ uint32_t tmpreg;
+
+ tmpreg = USBx_OUTEP((uint32_t)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 USBx_BASE = (uint32_t)USBx;
+ uint32_t tmpreg, msk, emp;
+
+ msk = USBx_DEVICE->DIEPMSK;
+ emp = USBx_DEVICE->DIEPEMPMSK;
+ msk |= ((emp >> (epnum & EP_ADDR_MSK)) & 0x1U) << 7;
+ tmpreg = USBx_INEP((uint32_t)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) & 0x1U);
+}
+
+/**
+ * @brief Activate EP0 for Setup transactions
+ * @param USBx Selected device
+ * @retval HAL status
+ */
+HAL_StatusTypeDef USB_ActivateSetup(USB_OTG_GlobalTypeDef *USBx)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ /* Set the MPS of the IN EP0 to 64 bytes */
+ USBx_INEP(0U)->DIEPCTL &= ~USB_OTG_DIEPCTL_MPSIZ;
+
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t gSNPSiD = *(__IO uint32_t *)(&USBx->CID + 0x1U);
+
+ if (gSNPSiD > USB_OTG_CORE_ID_300A)
+ {
+ if ((USBx_OUTEP(0U)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA)
+ {
+ return HAL_OK;
+ }
+ }
+
+ USBx_OUTEP(0U)->DOEPTSIZ = 0U;
+ USBx_OUTEP(0U)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_PKTCNT & (1U << 19));
+ USBx_OUTEP(0U)->DOEPTSIZ |= (3U * 8U);
+ USBx_OUTEP(0U)->DOEPTSIZ |= USB_OTG_DOEPTSIZ_STUPCNT;
+
+ if (dma == 1U)
+ {
+ USBx_OUTEP(0U)->DOEPDMA = (uint32_t)psetup;
+ /* EP enable */
+ USBx_OUTEP(0U)->DOEPCTL |= USB_OTG_DOEPCTL_EPENA | USB_OTG_DOEPCTL_USBAEP;
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @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 = 0U;
+
+ /* Wait for AHB master IDLE state. */
+ do
+ {
+ if (++count > 200000U)
+ {
+ return HAL_TIMEOUT;
+ }
+ }
+ while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0U);
+
+ /* Core Soft Reset */
+ count = 0U;
+ USBx->GRSTCTL |= USB_OTG_GRSTCTL_CSRST;
+
+ do
+ {
+ if (++count > 200000U)
+ {
+ return HAL_TIMEOUT;
+ }
+ }
+ while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST);
+
+ 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 USBx_BASE = (uint32_t)USBx;
+ uint32_t i;
+
+ /* Restart the Phy Clock */
+ USBx_PCGCCTL = 0U;
+
+ /* Disable VBUS sensing */
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_VBDEN);
+
+ /* Disable Battery chargin detector */
+ USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN);
+
+
+ if ((USBx->CID & (0x1U << 8)) != 0U)
+ {
+ if (cfg.speed == USB_OTG_SPEED_FULL)
+ {
+ /* Force Device Enumeration to FS/LS mode only */
+ USBx_HOST->HCFG |= USB_OTG_HCFG_FSLSS;
+ }
+ else
+ {
+ /* Set default Max speed support */
+ USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSS);
+ }
+ }
+ else
+ {
+ /* Set default Max speed support */
+ USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSS);
+ }
+
+ /* Make sure the FIFOs are flushed. */
+ (void)USB_FlushTxFifo(USBx, 0x10U); /* all Tx FIFOs */
+ (void)USB_FlushRxFifo(USBx);
+
+ /* Clear all pending HC Interrupts */
+ for (i = 0U; i < cfg.Host_channels; i++)
+ {
+ USBx_HC(i)->HCINT = 0xFFFFFFFFU;
+ USBx_HC(i)->HCINTMSK = 0U;
+ }
+
+ /* Enable VBUS driving */
+ (void)USB_DriveVbus(USBx, 1U);
+
+ HAL_Delay(200U);
+
+ /* Disable all interrupts. */
+ USBx->GINTMSK = 0U;
+
+ /* Clear any pending interrupts */
+ USBx->GINTSTS = 0xFFFFFFFFU;
+
+ if ((USBx->CID & (0x1U << 8)) != 0U)
+ {
+ /* set Rx FIFO size */
+ USBx->GRXFSIZ = 0x200U;
+ USBx->DIEPTXF0_HNPTXFSIZ = (uint32_t)(((0x100U << 16) & USB_OTG_NPTXFD) | 0x200U);
+ USBx->HPTXFSIZ = (uint32_t)(((0xE0U << 16) & USB_OTG_HPTXFSIZ_PTXFD) | 0x300U);
+ }
+ else
+ {
+ /* set Rx FIFO size */
+ USBx->GRXFSIZ = 0x80U;
+ USBx->DIEPTXF0_HNPTXFSIZ = (uint32_t)(((0x60U << 16) & USB_OTG_NPTXFD) | 0x80U);
+ USBx->HPTXFSIZ = (uint32_t)(((0x40U << 16)& USB_OTG_HPTXFSIZ_PTXFD) | 0xE0U);
+ }
+
+ /* Enable the common interrupts */
+ if (cfg.dma_enable == 0U)
+ {
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSPCS);
+ USBx_HOST->HCFG |= (uint32_t)freq & USB_OTG_HCFG_FSLSPCS;
+
+ if (freq == HCFG_48_MHZ)
+ {
+ USBx_HOST->HFIR = 48000U;
+ }
+ else if (freq == HCFG_6_MHZ)
+ {
+ USBx_HOST->HFIR = 6000U;
+ }
+ else
+ {
+ /* ... */
+ }
+
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ __IO uint32_t hprt0 = 0U;
+
+ 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(100U); /* See Note #1 */
+ USBx_HPRT0 = ((~USB_OTG_HPRT_PRST) & hprt0);
+ HAL_Delay(10U);
+
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ __IO uint32_t hprt0 = 0U;
+
+ 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) == 0U) && (state == 1U))
+ {
+ USBx_HPRT0 = (USB_OTG_HPRT_PPWR | hprt0);
+ }
+ if (((hprt0 & USB_OTG_HPRT_PPWR) == USB_OTG_HPRT_PPWR) && (state == 0U))
+ {
+ 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 HCD_SPEED_HIGH: High speed mode
+ * @arg HCD_SPEED_FULL: Full speed mode
+ * @arg HCD_SPEED_LOW: Low speed mode
+ */
+uint32_t USB_GetHostSpeed(USB_OTG_GlobalTypeDef *USBx)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ __IO uint32_t hprt0 = 0U;
+
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)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)
+{
+ HAL_StatusTypeDef ret = HAL_OK;
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t HCcharEpDir, HCcharLowSpeed;
+
+ /* Clear old interrupt conditions for this host channel. */
+ USBx_HC((uint32_t)ch_num)->HCINT = 0xFFFFFFFFU;
+
+ /* Enable channel interrupts required for this transfer. */
+ switch (ep_type)
+ {
+ case EP_TYPE_CTRL:
+ case EP_TYPE_BULK:
+ USBx_HC((uint32_t)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 & 0x80U) == 0x80U)
+ {
+ USBx_HC((uint32_t)ch_num)->HCINTMSK |= USB_OTG_HCINTMSK_BBERRM;
+ }
+ else
+ {
+ if ((USBx->CID & (0x1U << 8)) != 0U)
+ {
+ USBx_HC((uint32_t)ch_num)->HCINTMSK |= (USB_OTG_HCINTMSK_NYET | USB_OTG_HCINTMSK_ACKM);
+ }
+ }
+ break;
+
+ case EP_TYPE_INTR:
+ USBx_HC((uint32_t)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 & 0x80U) == 0x80U)
+ {
+ USBx_HC((uint32_t)ch_num)->HCINTMSK |= USB_OTG_HCINTMSK_BBERRM;
+ }
+
+ break;
+
+ case EP_TYPE_ISOC:
+ USBx_HC((uint32_t)ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM |
+ USB_OTG_HCINTMSK_ACKM |
+ USB_OTG_HCINTMSK_AHBERR |
+ USB_OTG_HCINTMSK_FRMORM;
+
+ if ((epnum & 0x80U) == 0x80U)
+ {
+ USBx_HC((uint32_t)ch_num)->HCINTMSK |= (USB_OTG_HCINTMSK_TXERRM | USB_OTG_HCINTMSK_BBERRM);
+ }
+ break;
+
+ default:
+ ret = HAL_ERROR;
+ break;
+ }
+
+ /* Enable the top level host channel interrupt. */
+ USBx_HOST->HAINTMSK |= 1UL << (ch_num & 0xFU);
+
+ /* Make sure host channel interrupts are enabled. */
+ USBx->GINTMSK |= USB_OTG_GINTMSK_HCIM;
+
+ /* Program the HCCHAR register */
+ if ((epnum & 0x80U) == 0x80U)
+ {
+ HCcharEpDir = (0x1U << 15) & USB_OTG_HCCHAR_EPDIR;
+ }
+ else
+ {
+ HCcharEpDir = 0U;
+ }
+
+ if (speed == HPRT0_PRTSPD_LOW_SPEED)
+ {
+ HCcharLowSpeed = (0x1U << 17) & USB_OTG_HCCHAR_LSDEV;
+ }
+ else
+ {
+ HCcharLowSpeed = 0U;
+ }
+
+ USBx_HC((uint32_t)ch_num)->HCCHAR = (((uint32_t)dev_address << 22) & USB_OTG_HCCHAR_DAD) |
+ ((((uint32_t)epnum & 0x7FU) << 11) & USB_OTG_HCCHAR_EPNUM) |
+ (((uint32_t)ep_type << 18) & USB_OTG_HCCHAR_EPTYP) |
+ ((uint32_t)mps & USB_OTG_HCCHAR_MPSIZ) | HCcharEpDir | HCcharLowSpeed;
+
+ if (ep_type == EP_TYPE_INTR)
+ {
+ USBx_HC((uint32_t)ch_num)->HCCHAR |= USB_OTG_HCCHAR_ODDFRM ;
+ }
+
+ return ret;
+}
+
+/**
+ * @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
+ */
+HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_HCTypeDef *hc, uint8_t dma)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t ch_num = (uint32_t)hc->ch_num;
+ static __IO uint32_t tmpreg = 0U;
+ uint8_t is_oddframe;
+ uint16_t len_words;
+ uint16_t num_packets;
+ uint16_t max_hc_pkt_count = 256U;
+
+ if (((USBx->CID & (0x1U << 8)) != 0U) && (hc->speed == USBH_HS_SPEED))
+ {
+ if ((dma == 0U) && (hc->do_ping == 1U))
+ {
+ (void)USB_DoPing(USBx, hc->ch_num);
+ return HAL_OK;
+ }
+ else if (dma == 1U)
+ {
+ USBx_HC(ch_num)->HCINTMSK &= ~(USB_OTG_HCINTMSK_NYET | USB_OTG_HCINTMSK_ACKM);
+ hc->do_ping = 0U;
+ }
+ else
+ {
+ /* ... */
+ }
+ }
+
+ /* Compute the expected number of packets associated to the transfer */
+ if (hc->xfer_len > 0U)
+ {
+ num_packets = (uint16_t)((hc->xfer_len + hc->max_packet - 1U) / hc->max_packet);
+
+ if (num_packets > max_hc_pkt_count)
+ {
+ num_packets = max_hc_pkt_count;
+ hc->xfer_len = (uint32_t)num_packets * hc->max_packet;
+ }
+ }
+ else
+ {
+ num_packets = 1U;
+ }
+ if (hc->ep_is_in != 0U)
+ {
+ hc->xfer_len = (uint32_t)num_packets * hc->max_packet;
+ }
+
+ /* Initialize the HCTSIZn register */
+ USBx_HC(ch_num)->HCTSIZ = (hc->xfer_len & USB_OTG_HCTSIZ_XFRSIZ) |
+ (((uint32_t)num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) |
+ (((uint32_t)hc->data_pid << 29) & USB_OTG_HCTSIZ_DPID);
+
+ if (dma != 0U)
+ {
+ /* xfer_buff MUST be 32-bits aligned */
+ USBx_HC(ch_num)->HCDMA = (uint32_t)hc->xfer_buff;
+ }
+
+ is_oddframe = (((uint32_t)USBx_HOST->HFNUM & 0x01U) != 0U) ? 0U : 1U;
+ USBx_HC(ch_num)->HCCHAR &= ~USB_OTG_HCCHAR_ODDFRM;
+ USBx_HC(ch_num)->HCCHAR |= (uint32_t)is_oddframe << 29;
+
+ /* Set host channel enable */
+ tmpreg = USBx_HC(ch_num)->HCCHAR;
+ tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
+
+ /* make sure to set the correct ep direction */
+ if (hc->ep_is_in != 0U)
+ {
+ tmpreg |= USB_OTG_HCCHAR_EPDIR;
+ }
+ else
+ {
+ tmpreg &= ~USB_OTG_HCCHAR_EPDIR;
+ }
+ tmpreg |= USB_OTG_HCCHAR_CHENA;
+ USBx_HC(ch_num)->HCCHAR = tmpreg;
+
+ if (dma == 0U) /* Slave mode */
+ {
+ if ((hc->ep_is_in == 0U) && (hc->xfer_len > 0U))
+ {
+ switch (hc->ep_type)
+ {
+ /* Non periodic transfer */
+ case EP_TYPE_CTRL:
+ case EP_TYPE_BULK:
+
+ len_words = (uint16_t)((hc->xfer_len + 3U) / 4U);
+
+ /* check if there is enough space in FIFO space */
+ if (len_words > (USBx->HNPTXSTS & 0xFFFFU))
+ {
+ /* 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 = (uint16_t)((hc->xfer_len + 3U) / 4U);
+ /* check if there is enough space in FIFO space */
+ if (len_words > (USBx_HOST->HPTXSTS & 0xFFFFU)) /* 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. */
+ (void)USB_WritePacket(USBx, hc->xfer_buff, hc->ch_num, (uint16_t)hc->xfer_len, 0);
+ }
+ }
+
+ 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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ return ((USBx_HOST->HAINT) & 0xFFFFU);
+}
+
+/**
+ * @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 USBx_BASE = (uint32_t)USBx;
+ uint32_t hcnum = (uint32_t)hc_num;
+ uint32_t count = 0U;
+ uint32_t HcEpType = (USBx_HC(hcnum)->HCCHAR & USB_OTG_HCCHAR_EPTYP) >> 18;
+
+ /* Check for space in the request queue to issue the halt. */
+ if ((HcEpType == HCCHAR_CTRL) || (HcEpType == HCCHAR_BULK))
+ {
+ USBx_HC(hcnum)->HCCHAR |= USB_OTG_HCCHAR_CHDIS;
+
+ if ((USBx->HNPTXSTS & (0xFFU << 16)) == 0U)
+ {
+ USBx_HC(hcnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
+ USBx_HC(hcnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
+ USBx_HC(hcnum)->HCCHAR &= ~USB_OTG_HCCHAR_EPDIR;
+ do
+ {
+ if (++count > 1000U)
+ {
+ break;
+ }
+ }
+ while ((USBx_HC(hcnum)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
+ }
+ else
+ {
+ USBx_HC(hcnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
+ }
+ }
+ else
+ {
+ USBx_HC(hcnum)->HCCHAR |= USB_OTG_HCCHAR_CHDIS;
+
+ if ((USBx_HOST->HPTXSTS & (0xFFU << 16)) == 0U)
+ {
+ USBx_HC(hcnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
+ USBx_HC(hcnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
+ USBx_HC(hcnum)->HCCHAR &= ~USB_OTG_HCCHAR_EPDIR;
+ do
+ {
+ if (++count > 1000U)
+ {
+ break;
+ }
+ }
+ while ((USBx_HC(hcnum)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
+ }
+ else
+ {
+ USBx_HC(hcnum)->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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t chnum = (uint32_t)ch_num;
+ uint32_t num_packets = 1U;
+ uint32_t tmpreg;
+
+ USBx_HC(chnum)->HCTSIZ = ((num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) |
+ USB_OTG_HCTSIZ_DOPING;
+
+ /* Set host channel enable */
+ tmpreg = USBx_HC(chnum)->HCCHAR;
+ tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
+ tmpreg |= USB_OTG_HCCHAR_CHENA;
+ USBx_HC(chnum)->HCCHAR = tmpreg;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Stop Host Core
+ * @param USBx Selected device
+ * @retval HAL state
+ */
+HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+ uint32_t count = 0U;
+ uint32_t value;
+ uint32_t i;
+
+ (void)USB_DisableGlobalInt(USBx);
+
+ /* Flush FIFO */
+ (void)USB_FlushTxFifo(USBx, 0x10U);
+ (void)USB_FlushRxFifo(USBx);
+
+ /* Flush out any leftover queued requests. */
+ for (i = 0U; i <= 15U; i++)
+ {
+ value = USBx_HC(i)->HCCHAR;
+ value |= USB_OTG_HCCHAR_CHDIS;
+ value &= ~USB_OTG_HCCHAR_CHENA;
+ value &= ~USB_OTG_HCCHAR_EPDIR;
+ USBx_HC(i)->HCCHAR = value;
+ }
+
+ /* Halt all channels to put them into a known state. */
+ for (i = 0U; i <= 15U; i++)
+ {
+ value = USBx_HC(i)->HCCHAR;
+ value |= USB_OTG_HCCHAR_CHDIS;
+ value |= USB_OTG_HCCHAR_CHENA;
+ value &= ~USB_OTG_HCCHAR_EPDIR;
+ USBx_HC(i)->HCCHAR = value;
+
+ do
+ {
+ if (++count > 1000U)
+ {
+ break;
+ }
+ }
+ while ((USBx_HC(i)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
+ }
+
+ /* Clear any pending Host interrupts */
+ USBx_HOST->HAINT = 0xFFFFFFFFU;
+ USBx->GINTSTS = 0xFFFFFFFFU;
+
+ (void)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)
+{
+ uint32_t USBx_BASE = (uint32_t)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)
+{
+ uint32_t USBx_BASE = (uint32_t)USBx;
+
+ /* active Remote wakeup signalling */
+ USBx_DEVICE->DCTL &= ~(USB_OTG_DCTL_RWUSIG);
+
+ return HAL_OK;
+}
+#endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+#endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */
+#endif /* defined (HAL_PCD_MODULE_ENABLED) || defined (HAL_HCD_MODULE_ENABLED) */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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