diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c | 1709 |
1 files changed, 1709 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c new file mode 100644 index 0000000000..17849f3bb5 --- /dev/null +++ b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c @@ -0,0 +1,1709 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_usb.c + * @author MCD Application Team + * @version V1.4.0 + * @date 14-August-2015 + * @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) 2015 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_hal.h" + +/** @addtogroup STM32F4xx_LL_USB_DRIVER + * @{ + */ + +#if defined(HAL_PCD_MODULE_ENABLED) || defined(HAL_HCD_MODULE_ENABLED) +#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) || \ + defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || \ + defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE) || defined(STM32F446xx) || \ + defined(STM32F469xx) || defined(STM32F479xx) +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ +static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx); + +/* 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 + * @{ + */ + +/** + * @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) +{ + 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 == 1) + { + USBx->GUSBCFG |= USB_OTG_GUSBCFG_ULPIEVBUSD; + } + /* Reset after a PHY select */ + 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 */ + USB_CoreReset(USBx); + + /* Deactivate the power down*/ + USBx->GCCFG = USB_OTG_GCCFG_PWRDWN; + } + + if(cfg.dma_enable == ENABLE) + { + USBx->GAHBCFG |= (USB_OTG_GAHBCFG_HBSTLEN_1 | USB_OTG_GAHBCFG_HBSTLEN_2); + USBx->GAHBCFG |= USB_OTG_GAHBCFG_DMAEN; + } + + 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_OTG_ModeTypeDef mode) +{ + USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_FHMOD | USB_OTG_GUSBCFG_FDMOD); + + if ( mode == USB_OTG_HOST_MODE) + { + USBx->GUSBCFG |= USB_OTG_GUSBCFG_FHMOD; + } + else if ( mode == USB_OTG_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 i = 0; + + /*Activate VBUS Sensing B */ +#if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) + 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; + } +#else + USBx->GCCFG |= USB_OTG_GCCFG_VBUSBSEN; + + if (cfg.vbus_sensing_enable == 0) + { + USBx->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS; + } +#endif /* STM32F446xx || STM32F469xx || STM32F479xx */ + + /* Restart the Phy Clock */ + USBx_PCGCCTL = 0; + + /* Device mode configuration */ + USBx_DEVICE->DCFG |= DCFG_FRAME_INTERVAL_80; + + if(cfg.phy_itface == USB_OTG_ULPI_PHY) + { + if(cfg.speed == USB_OTG_SPEED_HIGH) + { + /* Set High speed phy */ + USB_SetDevSpeed (USBx , USB_OTG_SPEED_HIGH); + } + else + { + /* set High speed phy in Full speed mode */ + USB_SetDevSpeed (USBx , USB_OTG_SPEED_HIGH_IN_FULL); + } + } + else + { + /* 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 (i = 0; i < cfg.dev_endpoints; i++) + { + if ((USBx_INEP(i)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA) + { + USBx_INEP(i)->DIEPCTL = (USB_OTG_DIEPCTL_EPDIS | USB_OTG_DIEPCTL_SNAK); + } + else + { + USBx_INEP(i)->DIEPCTL = 0; + } + + USBx_INEP(i)->DIEPTSIZ = 0; + USBx_INEP(i)->DIEPINT = 0xFF; + } + + for (i = 0; i < cfg.dev_endpoints; i++) + { + if ((USBx_OUTEP(i)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA) + { + USBx_OUTEP(i)->DOEPCTL = (USB_OTG_DOEPCTL_EPDIS | USB_OTG_DOEPCTL_SNAK); + } + else + { + USBx_OUTEP(i)->DOEPCTL = 0; + } + + USBx_OUTEP(i)->DOEPTSIZ = 0; + USBx_OUTEP(i)->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); + + i= 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 (dma == 1) + { + USBx_INEP(ep->num)->DIEPDMA = (uint32_t)(ep->dma_addr); + } + else + { + if (ep->type != EP_TYPE_ISOC) + { + /* Enable the Tx FIFO Empty Interrupt for this EP */ + if (ep->xfer_len > 0) + { + 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 (dma == 1) + { + USBx_OUTEP(ep->num)->DOEPDMA = (uint32_t)ep->xfer_buff; + } + + 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) +{ + /* 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); + + } + + if (dma == 1) + { + USBx_INEP(ep->num)->DIEPDMA = (uint32_t)(ep->dma_addr); + } + else + { + /* Enable the Tx FIFO Empty Interrupt for this EP */ + if (ep->xfer_len > 0) + { + 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)); + + + if (dma == 1) + { + USBx_OUTEP(ep->num)->DOEPDMA = (uint32_t)(ep->xfer_buff); + } + + /* 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) +{ + uint32_t count32b= 0 , i= 0; + + if (dma == 0) + { + count32b = (len + 3) / 4; + for (i = 0; i < count32b; i++, 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 i=0; + uint32_t count32b = (len + 3) / 4; + + for ( i = 0; i < count32b; i++, 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 i; + + /* Clear Pending interrupt */ + for (i = 0; i < 15 ; i++) + { + USBx_INEP(i)->DIEPINT = 0xFF; + USBx_OUTEP(i)->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 v = 0; + + v = USBx->GINTSTS; + v &= USBx->GINTMSK; + return v; +} + +/** + * @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 v; + v = USBx_DEVICE->DAINT; + v &= USBx_DEVICE->DAINTMSK; + return ((v & 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 v; + v = USBx_DEVICE->DAINT; + v &= USBx_DEVICE->DAINTMSK; + return ((v & 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 v; + v = USBx_OUTEP(epnum)->DOEPINT; + v &= USBx_DEVICE->DOEPMSK; + return v; +} + +/** + * @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 v, msk, emp; + + msk = USBx_DEVICE->DIEPMSK; + emp = USBx_DEVICE->DIEPEMPMSK; + msk |= ((emp >> epnum) & 0x1) << 7; + v = USBx_INEP(epnum)->DIEPINT & msk; + return v; +} + +/** + * @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) +{ + 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; + + if (dma == 1) + { + USBx_OUTEP(0)->DOEPDMA = (uint32_t)psetup; + /* EP enable */ + USBx_OUTEP(0)->DOEPCTL = 0x80008000; + } + + 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 = 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; +} + + +/** + * @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 i; + + /* Restart the Phy Clock */ + USBx_PCGCCTL = 0; + + /* Activate VBUS Sensing B */ +#if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) + USBx->GCCFG |= USB_OTG_GCCFG_VBDEN; +#else + USBx->GCCFG &=~ (USB_OTG_GCCFG_VBUSASEN); + USBx->GCCFG &=~ (USB_OTG_GCCFG_VBUSBSEN); + USBx->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS; +#endif /* STM32F446xx || STM32F469xx || STM32F479xx */ + + /* 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 (i = 0; i < cfg.Host_channels; i++) + { + USBx_HC(i)->HCINT = 0xFFFFFFFF; + USBx_HC(i)->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; + + if(USBx == USB_OTG_FS) + { + /* 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); + } + else + { + /* set Rx FIFO size */ + USBx->GRXFSIZ = (uint32_t )0x200; + USBx->DIEPTXF0_HNPTXFSIZ = (uint32_t )(((0x100 << 16)& USB_OTG_NPTXFD) | 0x200); + USBx->HPTXFSIZ = (uint32_t )(((0xE0 << 16)& USB_OTG_HPTXFSIZ_PTXFD) | 0x300); + } + + /* 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; + + 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; + + 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; + + 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; + } + else + { + if(USBx != USB_OTG_FS) + { + USBx_HC(ch_num)->HCINTMSK |= (USB_OTG_HCINTMSK_NYET | USB_OTG_HCINTMSK_ACKM); + } + } + 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; + + if((USBx != USB_OTG_FS) && (hc->speed == USB_OTG_SPEED_HIGH)) + { + if((dma == 0) && (hc->do_ping == 1)) + { + USB_DoPing(USBx, hc->ch_num); + return HAL_OK; + } + else if(dma == 1) + { + USBx_HC(hc->ch_num)->HCINTMSK &= ~(USB_OTG_HCINTMSK_NYET | USB_OTG_HCINTMSK_ACKM); + hc->do_ping = 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); + } + } + + 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 i; + uint32_t count = 0; + uint32_t value; + + USB_DisableGlobalInt(USBx); + + /* Flush FIFO */ + USB_FlushTxFifo(USBx, 0x10); + USB_FlushRxFifo(USBx); + + /* Flush out any leftover queued requests. */ + for (i = 0; i <= 15; 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 = 0; i <= 15; 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 > 1000) + { + break; + } + } + while ((USBx_HC(i)->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; +} +/** + * @} + */ +#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || + STM32F401xC || STM32F401xE || STM32F411xE || STM32F446xx || STM32F469xx || STM32F479xx */ +#endif /* defined(HAL_PCD_MODULE_ENABLED) || defined(HAL_HCD_MODULE_ENABLED) */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |