/* * This file is part of the Micro Python project, http://micropython.org/ */ /** ****************************************************************************** * @file USB_Device/CDC_Standalone/Src/usbd_conf.c * @author MCD Application Team * @version V1.4.0 * @date 17-February-2017 * @brief This file implements the USB Device library callbacks and MSP ****************************************************************************** * @attention * * <h2><center>© Copyright (c) 2017 STMicroelectronics International N.V. * All rights reserved.</center></h2> * * Redistribution and use in source and binary forms, with or without * modification, are permitted, provided that the following conditions are met: * * 1. Redistribution 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 other * contributors to this software may be used to endorse or promote products * derived from this software without specific written permission. * 4. This software, including modifications and/or derivative works of this * software, must execute solely and exclusively on microcontroller or * microprocessor devices manufactured by or for STMicroelectronics. * 5. Redistribution and use of this software other than as permitted under * this license is void and will automatically terminate your rights under * this license. * * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT * SHALL STMICROELECTRONICS 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 STM32_HAL_H #include "usbd_core.h" #include "usb.h" #define IRQ_PRI_OTG_FS 6 #define IRQ_SUBPRI_OTG_FS 0 #define IRQ_PRI_OTG_HS 6 #define IRQ_SUBPRI_OTG_HS 0 /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ #ifdef USE_USB_FS static PCD_HandleTypeDef pcd_fs_handle; #endif #ifdef USE_USB_HS static PCD_HandleTypeDef pcd_hs_handle; #endif /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /******************************************************************************* PCD BSP Routines *******************************************************************************/ /** * @brief Initializes the PCD MSP. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd) { GPIO_InitTypeDef GPIO_InitStruct; if(hpcd->Instance == USB_OTG_FS) { /* Configure USB FS GPIOs */ __HAL_RCC_GPIOA_CLK_ENABLE(); /* Configure DM DP Pins */ GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12); GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* Configure VBUS Pin */ #if defined(MICROPY_HW_USB_VBUS_DETECT_PIN) // USB VBUS detect pin is always A9 GPIO_InitStruct.Pin = GPIO_PIN_9; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); #endif /* Configure ID pin */ #if defined(MICROPY_HW_USB_OTG_ID_PIN) // USB ID pin is always A10 GPIO_InitStruct.Pin = GPIO_PIN_10; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); #endif /* Enable USB FS Clocks */ __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); /* Set USBFS Interrupt priority */ HAL_NVIC_SetPriority(OTG_FS_IRQn, IRQ_PRI_OTG_FS, IRQ_SUBPRI_OTG_FS); /* Enable USBFS Interrupt */ HAL_NVIC_EnableIRQ(OTG_FS_IRQn); } #if defined(USE_USB_HS) else if(hpcd->Instance == USB_OTG_HS) { #if defined(USE_USB_HS_IN_FS) /* Configure USB FS GPIOs */ __HAL_RCC_GPIOB_CLK_ENABLE(); /* Configure DM DP Pins */ GPIO_InitStruct.Pin = (GPIO_PIN_14 | GPIO_PIN_15); GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); #if defined(MICROPY_HW_USB_VBUS_DETECT_PIN) /* Configure VBUS Pin */ GPIO_InitStruct.Pin = GPIO_PIN_13; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); #endif #if defined(MICROPY_HW_USB_OTG_ID_PIN) /* Configure ID pin */ GPIO_InitStruct.Pin = GPIO_PIN_12; GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); #endif /* * Enable calling WFI and correct * function of the embedded USB_FS_IN_HS phy */ __OTGHSULPI_CLK_SLEEP_DISABLE(); __OTGHS_CLK_SLEEP_ENABLE(); /* Enable USB HS Clocks */ __USB_OTG_HS_CLK_ENABLE(); #else // !USE_USB_HS_IN_FS /* Configure USB HS GPIOs */ __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE(); __HAL_RCC_GPIOI_CLK_ENABLE(); /* CLK */ GPIO_InitStruct.Pin = GPIO_PIN_5; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* D0 */ GPIO_InitStruct.Pin = GPIO_PIN_3; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* D1 D2 D3 D4 D5 D6 D7 */ GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_5 |\ GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* STP */ GPIO_InitStruct.Pin = GPIO_PIN_0; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* NXT */ GPIO_InitStruct.Pin = GPIO_PIN_4; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; HAL_GPIO_Init(GPIOH, &GPIO_InitStruct); /* DIR */ GPIO_InitStruct.Pin = GPIO_PIN_11; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; HAL_GPIO_Init(GPIOI, &GPIO_InitStruct); /* Enable USB HS Clocks */ __HAL_RCC_USB_OTG_HS_CLK_ENABLE(); __HAL_RCC_USB_OTG_HS_ULPI_CLK_ENABLE(); #endif // !USE_USB_HS_IN_FS /* Set USBHS Interrupt to the lowest priority */ HAL_NVIC_SetPriority(OTG_HS_IRQn, IRQ_PRI_OTG_HS, IRQ_SUBPRI_OTG_HS); /* Enable USBHS Interrupt */ HAL_NVIC_EnableIRQ(OTG_HS_IRQn); } #endif // USE_USB_HS } /** * @brief DeInitializes the PCD MSP. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd) { if(hpcd->Instance == USB_OTG_FS) { /* Disable USB FS Clocks */ __HAL_RCC_USB_OTG_FS_CLK_DISABLE(); __HAL_RCC_SYSCFG_CLK_DISABLE(); } #if defined(USE_USB_HS) else if(hpcd->Instance == USB_OTG_HS) { /* Disable USB FS Clocks */ __HAL_RCC_USB_OTG_HS_CLK_DISABLE(); __HAL_RCC_SYSCFG_CLK_DISABLE(); } #endif } /******************************************************************************* LL Driver Callbacks (PCD -> USB Device Library) *******************************************************************************/ /** * @brief Setup stage callback. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd) { USBD_LL_SetupStage(hpcd->pData, (uint8_t *)hpcd->Setup); } /** * @brief Data Out stage callback. * @param hpcd: PCD handle * @param epnum: Endpoint Number * @retval None */ void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) { USBD_LL_DataOutStage(hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff); } /** * @brief Data In stage callback. * @param hpcd: PCD handle * @param epnum: Endpoint Number * @retval None */ void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) { USBD_LL_DataInStage(hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff); } /** * @brief SOF callback. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) { USBD_LL_SOF(hpcd->pData); } /** * @brief Reset callback. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd) { USBD_SpeedTypeDef speed = USBD_SPEED_FULL; /* Set USB Current Speed */ switch(hpcd->Init.speed) { case PCD_SPEED_HIGH: speed = USBD_SPEED_HIGH; break; case PCD_SPEED_FULL: speed = USBD_SPEED_FULL; break; default: speed = USBD_SPEED_FULL; break; } USBD_LL_SetSpeed(hpcd->pData, speed); /* Reset Device */ USBD_LL_Reset(hpcd->pData); } /** * @brief Suspend callback. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd) { USBD_LL_Suspend(hpcd->pData); } /** * @brief Resume callback. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd) { USBD_LL_Resume(hpcd->pData); } /** * @brief ISOC Out Incomplete callback. * @param hpcd: PCD handle * @param epnum: Endpoint Number * @retval None */ void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) { USBD_LL_IsoOUTIncomplete(hpcd->pData, epnum); } /** * @brief ISOC In Incomplete callback. * @param hpcd: PCD handle * @param epnum: Endpoint Number * @retval None */ void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) { USBD_LL_IsoINIncomplete(hpcd->pData, epnum); } /** * @brief Connect callback. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd) { USBD_LL_DevConnected(hpcd->pData); } /** * @brief Disconnect callback. * @param hpcd: PCD handle * @retval None */ void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd) { USBD_LL_DevDisconnected(hpcd->pData); } /******************************************************************************* LL Driver Interface (USB Device Library --> PCD) *******************************************************************************/ /** * @brief Initializes the Low Level portion of the Device driver. * @param pdev: Device handle * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_Init (USBD_HandleTypeDef *pdev) { #if defined(USE_USB_FS) if (pdev->id == USB_PHY_FS_ID) { /*Set LL Driver parameters */ pcd_fs_handle.Instance = USB_OTG_FS; pcd_fs_handle.Init.dev_endpoints = 4; pcd_fs_handle.Init.use_dedicated_ep1 = 0; pcd_fs_handle.Init.ep0_mps = 0x40; pcd_fs_handle.Init.dma_enable = 0; pcd_fs_handle.Init.low_power_enable = 0; pcd_fs_handle.Init.phy_itface = PCD_PHY_EMBEDDED; pcd_fs_handle.Init.Sof_enable = 1; pcd_fs_handle.Init.speed = PCD_SPEED_FULL; #if defined(MCU_SERIES_L4) pcd_fs_handle.Init.lpm_enable = DISABLE; pcd_fs_handle.Init.battery_charging_enable = DISABLE; #endif #if !defined(MICROPY_HW_USB_VBUS_DETECT_PIN) pcd_fs_handle.Init.vbus_sensing_enable = 0; // No VBUS Sensing on USB0 #else pcd_fs_handle.Init.vbus_sensing_enable = 1; #endif /* Link The driver to the stack */ pcd_fs_handle.pData = pdev; pdev->pData = &pcd_fs_handle; /*Initialize LL Driver */ HAL_PCD_Init(&pcd_fs_handle); HAL_PCDEx_SetRxFiFo(&pcd_fs_handle, 0x80); HAL_PCDEx_SetTxFiFo(&pcd_fs_handle, 0, 0x20); HAL_PCDEx_SetTxFiFo(&pcd_fs_handle, 1, 0x40); HAL_PCDEx_SetTxFiFo(&pcd_fs_handle, 2, 0x20); HAL_PCDEx_SetTxFiFo(&pcd_fs_handle, 3, 0x40); } #endif #if defined(USE_USB_HS) if (pdev->id == USB_PHY_HS_ID) { #if defined(USE_USB_HS_IN_FS) /*Set LL Driver parameters */ pcd_hs_handle.Instance = USB_OTG_HS; pcd_hs_handle.Init.dev_endpoints = 4; pcd_hs_handle.Init.use_dedicated_ep1 = 0; pcd_hs_handle.Init.ep0_mps = 0x40; pcd_hs_handle.Init.dma_enable = 0; pcd_hs_handle.Init.low_power_enable = 0; pcd_hs_handle.Init.phy_itface = PCD_PHY_EMBEDDED; pcd_hs_handle.Init.Sof_enable = 1; pcd_hs_handle.Init.speed = PCD_SPEED_HIGH_IN_FULL; #if !defined(MICROPY_HW_USB_VBUS_DETECT_PIN) pcd_hs_handle.Init.vbus_sensing_enable = 0; // No VBUS Sensing on USB0 #else pcd_hs_handle.Init.vbus_sensing_enable = 1; #endif /* Link The driver to the stack */ pcd_hs_handle.pData = pdev; pdev->pData = &pcd_hs_handle; /*Initialize LL Driver */ HAL_PCD_Init(&pcd_hs_handle); HAL_PCDEx_SetRxFiFo(&pcd_hs_handle, 0x80); HAL_PCDEx_SetTxFiFo(&pcd_hs_handle, 0, 0x20); HAL_PCDEx_SetTxFiFo(&pcd_hs_handle, 1, 0x40); HAL_PCDEx_SetTxFiFo(&pcd_hs_handle, 2, 0x20); HAL_PCDEx_SetTxFiFo(&pcd_hs_handle, 3, 0x40); #else // !defined(USE_USB_HS_IN_FS) /*Set LL Driver parameters */ pcd_hs_handle.Instance = USB_OTG_HS; pcd_hs_handle.Init.dev_endpoints = 6; pcd_hs_handle.Init.use_dedicated_ep1 = 0; pcd_hs_handle.Init.ep0_mps = 0x40; /* Be aware that enabling USB-DMA mode will result in data being sent only by multiple of 4 packet sizes. This is due to the fact that USB-DMA does not allow sending data from non word-aligned addresses. For this specific application, it is advised to not enable this option unless required. */ pcd_hs_handle.Init.dma_enable = 0; pcd_hs_handle.Init.low_power_enable = 0; pcd_hs_handle.Init.phy_itface = PCD_PHY_ULPI; pcd_hs_handle.Init.Sof_enable = 1; pcd_hs_handle.Init.speed = PCD_SPEED_HIGH; pcd_hs_handle.Init.vbus_sensing_enable = 1; /* Link The driver to the stack */ pcd_hs_handle.pData = pdev; pdev->pData = &pcd_hs_handle; /*Initialize LL Driver */ HAL_PCD_Init(&pcd_hs_handle); HAL_PCDEx_SetRxFiFo(&pcd_hs_handle, 0x200); HAL_PCDEx_SetTxFiFo(&pcd_hs_handle, 0, 0x80); HAL_PCDEx_SetTxFiFo(&pcd_hs_handle, 1, 0x174); #endif // !USE_USB_HS_IN_FS } #endif // USE_USB_HS return USBD_OK; } /** * @brief De-Initializes the Low Level portion of the Device driver. * @param pdev: Device handle * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev) { HAL_PCD_DeInit(pdev->pData); return USBD_OK; } /** * @brief Starts the Low Level portion of the Device driver. * @param pdev: Device handle * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev) { HAL_PCD_Start(pdev->pData); return USBD_OK; } /** * @brief Stops the Low Level portion of the Device driver. * @param pdev: Device handle * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev) { HAL_PCD_Stop(pdev->pData); return USBD_OK; } /** * @brief Opens an endpoint of the Low Level Driver. * @param pdev: Device handle * @param ep_addr: Endpoint Number * @param ep_type: Endpoint Type * @param ep_mps: Endpoint Max Packet Size * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_OpenEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t ep_type, uint16_t ep_mps) { HAL_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type); return USBD_OK; } /** * @brief Closes an endpoint of the Low Level Driver. * @param pdev: Device handle * @param ep_addr: Endpoint Number * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) { HAL_PCD_EP_Close(pdev->pData, ep_addr); return USBD_OK; } /** * @brief Flushes an endpoint of the Low Level Driver. * @param pdev: Device handle * @param ep_addr: Endpoint Number * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) { HAL_PCD_EP_Flush(pdev->pData, ep_addr); return USBD_OK; } /** * @brief Sets a Stall condition on an endpoint of the Low Level Driver. * @param pdev: Device handle * @param ep_addr: Endpoint Number * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) { HAL_PCD_EP_SetStall(pdev->pData, ep_addr); return USBD_OK; } /** * @brief Clears a Stall condition on an endpoint of the Low Level Driver. * @param pdev: Device handle * @param ep_addr: Endpoint Number * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) { HAL_PCD_EP_ClrStall(pdev->pData, ep_addr); return USBD_OK; } /** * @brief Returns Stall condition. * @param pdev: Device handle * @param ep_addr: Endpoint Number * @retval Stall (1: yes, 0: No) */ uint8_t USBD_LL_IsStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr) { PCD_HandleTypeDef *hpcd = pdev->pData; if((ep_addr & 0x80) == 0x80) { return hpcd->IN_ep[ep_addr & 0x7F].is_stall; } else { return hpcd->OUT_ep[ep_addr & 0x7F].is_stall; } } /** * @brief Assigns an USB address to the device * @param pdev: Device handle * @param dev_addr: USB address * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr) { HAL_PCD_SetAddress(pdev->pData, dev_addr); return USBD_OK; } /** * @brief Transmits data over an endpoint * @param pdev: Device handle * @param ep_addr: Endpoint Number * @param pbuf: Pointer to data to be sent * @param size: Data size * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size) { HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size); return USBD_OK; } /** * @brief Prepares an endpoint for reception * @param pdev: Device handle * @param ep_addr: Endpoint Number * @param pbuf:pointer to data to be received * @param size: data size * @retval USBD Status */ USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size) { HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size); return USBD_OK; } /** * @brief Returns the last transfered packet size. * @param pdev: Device handle * @param ep_addr: Endpoint Number * @retval Recived Data Size */ uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr) { return HAL_PCD_EP_GetRxCount(pdev->pData, ep_addr); } /** * @brief Delay routine for the USB Device Library * @param Delay: Delay in ms * @retval None */ void USBD_LL_Delay(uint32_t Delay) { HAL_Delay(Delay); } /******************************************************************************* IRQ Handlers *******************************************************************************/ /** * @brief This function handles USB-On-The-Go FS/HS global interrupt request. * @param None * @retval None */ #if defined(USE_USB_FS) void OTG_FS_IRQHandler(void) { HAL_PCD_IRQHandler(&pcd_fs_handle); } #endif #if defined(USE_USB_HS) void OTG_HS_IRQHandler(void) { HAL_PCD_IRQHandler(&pcd_hs_handle); } #endif /** * @brief This function handles USB OTG Common FS/HS Wakeup functions. * @param *pcd_handle for FS or HS * @retval None */ #if defined(USE_USB_FS) || defined(USE_USB_HS) static void OTG_CMD_WKUP_Handler(PCD_HandleTypeDef *pcd_handle) { if (!(pcd_handle->Init.low_power_enable)) { return; } /* Reset SLEEPDEEP bit of Cortex System Control Register */ SCB->SCR &= (uint32_t) ~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk)); /* Configures system clock after wake-up from STOP: enable HSE, PLL and select PLL as system clock source (HSE and PLL are disabled in STOP mode) */ __HAL_RCC_HSE_CONFIG(RCC_HSE_ON); /* Wait till HSE is ready */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET) {} /* Enable the main PLL. */ __HAL_RCC_PLL_ENABLE(); /* Wait till PLL is ready */ while (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET) {} /* Select PLL as SYSCLK */ MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_SYSCLKSOURCE_PLLCLK); while (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL) {} /* ungate PHY clock */ __HAL_PCD_UNGATE_PHYCLOCK(pcd_handle); } #endif /** * @brief This function handles USB OTG FS/HS Wakeup IRQ Handler. * @param None * @retval None */ #if defined(USE_USB_FS) void OTG_FS_WKUP_IRQHandler(void) { OTG_CMD_WKUP_Handler(&pcd_fs_handle); /* Clear EXTI pending Bit*/ __HAL_USB_OTG_FS_WAKEUP_EXTI_CLEAR_FLAG(); } #endif #if defined(USE_USB_HS) void OTG_HS_WKUP_IRQHandler(void) { OTG_CMD_WKUP_Handler(&pcd_hs_handle); /* Clear EXTI pending Bit*/ __HAL_USB_HS_EXTI_CLEAR_FLAG(); } #endif /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/