diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c | 663 |
1 files changed, 409 insertions, 254 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c index 9ddb3ba450..dff3813380 100644 --- a/bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_usb.c @@ -11,29 +11,30 @@ * + Peripheral Control functions * + Peripheral State functions * + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** @verbatim ============================================================================== ##### How to use this driver ##### ============================================================================== [..] - (#) Fill parameters of Init structure in USB_OTG_CfgTypeDef structure. + (#) Fill parameters of Init structure in USB_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 - * + ****************************************************************************** */ @@ -63,8 +64,8 @@ static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx); /** @defgroup USB_LL_Exported_Functions_Group1 Initialization/de-initialization functions * @ingroup RTEMSBSPsARMSTM32H7 - * @brief Initialization and Configuration functions - * + * @brief Initialization and Configuration functions + * @verbatim =============================================================================== ##### Initialization/de-initialization functions ##### @@ -84,7 +85,6 @@ static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx); 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); @@ -98,7 +98,8 @@ HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef c { USBx->GUSBCFG |= USB_OTG_GUSBCFG_ULPIEVBUSD; } - /* Reset after a PHY select */ + + /* Reset after a PHY select */ ret = USB_CoreReset(USBx); } else /* FS interface (embedded Phy) */ @@ -106,7 +107,7 @@ HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef c /* Select FS Embedded PHY */ USBx->GUSBCFG |= USB_OTG_GUSBCFG_PHYSEL; - /* Reset after a PHY select and set Host mode */ + /* Reset after a PHY select */ ret = USB_CoreReset(USBx); if (cfg.battery_charging_enable == 0U) @@ -123,6 +124,10 @@ HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef c if (cfg.dma_enable == 1U) { + /* make sure to reserve 18 fifo Locations for DMA buffers */ + USBx->GDFIFOCFG &= ~(0xFFFFU << 16); + USBx->GDFIFOCFG |= 0x3EEU << 16; + USBx->GAHBCFG |= USB_OTG_GAHBCFG_HBSTLEN_2; USBx->GAHBCFG |= USB_OTG_GAHBCFG_DMAEN; } @@ -231,7 +236,7 @@ HAL_StatusTypeDef USB_EnableGlobalInt(USB_OTG_GlobalTypeDef *USBx) * 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; @@ -239,38 +244,55 @@ HAL_StatusTypeDef USB_DisableGlobalInt(USB_OTG_GlobalTypeDef *USBx) } /** - * @brief USB_SetCurrentMode : Set functional mode + * @brief USB_SetCurrentMode Set functional mode * @param USBx Selected device - * @param mode current core mode + * @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 + * @arg USB_DEVICE_MODE Peripheral mode + * @arg USB_HOST_MODE Host mode * @retval HAL status */ HAL_StatusTypeDef USB_SetCurrentMode(USB_OTG_GlobalTypeDef *USBx, USB_OTG_ModeTypeDef mode) { + uint32_t ms = 0U; + USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_FHMOD | USB_OTG_GUSBCFG_FDMOD); if (mode == USB_HOST_MODE) { USBx->GUSBCFG |= USB_OTG_GUSBCFG_FHMOD; + + do + { + HAL_Delay(1U); + ms++; + } while ((USB_GetMode(USBx) != (uint32_t)USB_HOST_MODE) && (ms < 50U)); } else if (mode == USB_DEVICE_MODE) { USBx->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD; + + do + { + HAL_Delay(1U); + ms++; + } while ((USB_GetMode(USBx) != (uint32_t)USB_DEVICE_MODE) && (ms < 50U)); } else { return HAL_ERROR; } - HAL_Delay(50U); + + if (ms == 50U) + { + return HAL_ERROR; + } return HAL_OK; } /** - * @brief USB_DevInit : Initializes the USB_OTG controller registers + * @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 @@ -309,9 +331,6 @@ HAL_StatusTypeDef USB_DevInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cf /* 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) @@ -425,7 +444,7 @@ HAL_StatusTypeDef USB_DevInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cf } /** - * @brief USB_OTG_FlushTxFifo : Flush a Tx FIFO + * @brief USB_FlushTxFifo Flush a Tx FIFO * @param USBx Selected device * @param num FIFO number * This parameter can be a value from 1 to 15 @@ -434,41 +453,69 @@ HAL_StatusTypeDef USB_DevInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cf */ HAL_StatusTypeDef USB_FlushTxFifo(USB_OTG_GlobalTypeDef *USBx, uint32_t num) { - uint32_t count = 0U; + __IO uint32_t count = 0U; + /* Wait for AHB master IDLE state. */ + do + { + count++; + + if (count > 200000U) + { + return HAL_TIMEOUT; + } + } while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0U); + + /* Flush TX Fifo */ + count = 0U; USBx->GRSTCTL = (USB_OTG_GRSTCTL_TXFFLSH | (num << 6)); do { - if (++count > 200000U) + count++; + + if (count > 200000U) { return HAL_TIMEOUT; } - } - while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) == USB_OTG_GRSTCTL_TXFFLSH); + } while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) == USB_OTG_GRSTCTL_TXFFLSH); return HAL_OK; } /** - * @brief USB_FlushRxFifo : Flush Rx FIFO + * @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; + __IO uint32_t count = 0U; + + /* Wait for AHB master IDLE state. */ + do + { + count++; + + if (count > 200000U) + { + return HAL_TIMEOUT; + } + } while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0U); + /* Flush RX Fifo */ + count = 0U; USBx->GRSTCTL = USB_OTG_GRSTCTL_RXFFLSH; do { - if (++count > 200000U) + count++; + + if (count > 200000U) { return HAL_TIMEOUT; } - } - while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_RXFFLSH) == USB_OTG_GRSTCTL_RXFFLSH); + } while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_RXFFLSH) == USB_OTG_GRSTCTL_RXFFLSH); return HAL_OK; } @@ -497,8 +544,8 @@ HAL_StatusTypeDef USB_SetDevSpeed(USB_OTG_GlobalTypeDef *USBx, uint8_t 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 + * @arg USBD_HS_SPEED: High speed mode + * @arg USBD_FS_SPEED: Full speed mode */ uint8_t USB_GetDevSpeed(USB_OTG_GlobalTypeDef *USBx) { @@ -614,6 +661,12 @@ HAL_StatusTypeDef USB_DeactivateEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EP /* Read DEPCTLn register */ if (ep->is_in == 1U) { + if ((USBx_INEP(epnum)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA) + { + USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_SNAK; + USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_EPDIS; + } + 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 | @@ -624,6 +677,12 @@ HAL_StatusTypeDef USB_DeactivateEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EP } else { + if ((USBx_OUTEP(epnum)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA) + { + USBx_OUTEP(epnum)->DOEPCTL |= USB_OTG_DOEPCTL_SNAK; + USBx_OUTEP(epnum)->DOEPCTL |= USB_OTG_DOEPCTL_EPDIS; + } + 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 | @@ -649,11 +708,23 @@ HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint(USB_OTG_GlobalTypeDef *USBx, U /* Read DEPCTLn register */ if (ep->is_in == 1U) { + if ((USBx_INEP(epnum)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA) + { + USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_SNAK; + USBx_INEP(epnum)->DIEPCTL |= USB_OTG_DIEPCTL_EPDIS; + } + USBx_INEP(epnum)->DIEPCTL &= ~ USB_OTG_DIEPCTL_USBAEP; USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & (uint32_t)(1UL << (ep->num & EP_ADDR_MSK))); } else { + if ((USBx_OUTEP(epnum)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA) + { + USBx_OUTEP(epnum)->DOEPCTL |= USB_OTG_DOEPCTL_SNAK; + USBx_OUTEP(epnum)->DOEPCTL |= USB_OTG_DOEPCTL_EPDIS; + } + USBx_OUTEP(epnum)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP; USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((uint32_t)(1UL << (ep->num & EP_ADDR_MSK)) << 16)); } @@ -696,7 +767,22 @@ HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef */ 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)); + + if (epnum == 0U) + { + if (ep->xfer_len > ep->maxpacket) + { + ep->xfer_len = ep->maxpacket; + } + + USBx_INEP(epnum)->DIEPTSIZ |= (USB_OTG_DIEPTSIZ_PKTCNT & (1U << 19)); + } + else + { + 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) @@ -765,16 +851,34 @@ HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef USBx_OUTEP(epnum)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ); USBx_OUTEP(epnum)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT); - if (ep->xfer_len == 0U) + if (epnum == 0U) { - USBx_OUTEP(epnum)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_XFRSIZ & ep->maxpacket); + if (ep->xfer_len > 0U) + { + ep->xfer_len = ep->maxpacket; + } + + /* Store transfer size, for EP0 this is equal to endpoint max packet size */ + ep->xfer_size = ep->maxpacket; + + USBx_OUTEP(epnum)->DOEPTSIZ |= (USB_OTG_DOEPTSIZ_XFRSIZ & ep->xfer_size); 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 (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); + ep->xfer_size = ep->maxpacket * pktcnt; + + USBx_OUTEP(epnum)->DOEPTSIZ |= USB_OTG_DOEPTSIZ_PKTCNT & ((uint32_t)pktcnt << 19); + USBx_OUTEP(epnum)->DOEPTSIZ |= USB_OTG_DOEPTSIZ_XFRSIZ & ep->xfer_size; + } } if (dma == 1U) @@ -803,103 +907,64 @@ HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef 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) + * @brief USB_EPStoptXfer Stop transfer on an EP + * @param USBx usb device instance + * @param ep pointer to endpoint structure + * @retval HAL status + */ +HAL_StatusTypeDef USB_EPStopXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep) { + __IO uint32_t count = 0U; + HAL_StatusTypeDef ret = HAL_OK; 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) + /* EP enable, IN data in FIFO */ + if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA) { - 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); - } + USBx_INEP(ep->num)->DIEPCTL |= (USB_OTG_DIEPCTL_SNAK); + USBx_INEP(ep->num)->DIEPCTL |= (USB_OTG_DIEPCTL_EPDIS); - if (dma == 1U) - { - if ((uint32_t)ep->dma_addr != 0U) + do { - USBx_INEP(epnum)->DIEPDMA = (uint32_t)(ep->dma_addr); - } + count++; - /* 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); - } + if (count > 10000U) + { + ret = HAL_ERROR; + break; + } + } while (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA); } } 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) + if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA) { - ep->xfer_len = ep->maxpacket; - } + USBx_OUTEP(ep->num)->DOEPCTL |= (USB_OTG_DOEPCTL_SNAK); + USBx_OUTEP(ep->num)->DOEPCTL |= (USB_OTG_DOEPCTL_EPDIS); - 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) + do { - USBx_OUTEP(epnum)->DOEPDMA = (uint32_t)(ep->xfer_buff); - } - } + count++; - /* EP enable */ - USBx_OUTEP(epnum)->DOEPCTL |= (USB_OTG_DOEPCTL_CNAK | USB_OTG_DOEPCTL_EPENA); + if (count > 10000U) + { + ret = HAL_ERROR; + break; + } + } while (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA); + } } - return HAL_OK; + return ret; } + /** * @brief USB_WritePacket : Writes a packet into the Tx FIFO associated * with the EP/channel @@ -913,11 +978,13 @@ HAL_StatusTypeDef USB_EP0StartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDe * 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) +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; + uint8_t *pSrc = src; + uint32_t count32b; + uint32_t i; if (dma == 0U) { @@ -926,6 +993,9 @@ HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *src, uin { USBx_DFIFO((uint32_t)ch_ep_num) = __UNALIGNED_UINT32_READ(pSrc); pSrc++; + pSrc++; + pSrc++; + pSrc++; } } @@ -942,14 +1012,34 @@ HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *src, uin 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; + uint8_t *pDest = dest; + uint32_t pData; uint32_t i; - uint32_t count32b = ((uint32_t)len + 3U) / 4U; + uint32_t count32b = (uint32_t)len >> 2U; + uint16_t remaining_bytes = len % 4U; for (i = 0U; i < count32b; i++) { __UNALIGNED_UINT32_WRITE(pDest, USBx_DFIFO(0U)); pDest++; + pDest++; + pDest++; + pDest++; + } + + /* When Number of data is not word aligned, read the remaining byte */ + if (remaining_bytes != 0U) + { + i = 0U; + __UNALIGNED_UINT32_WRITE(&pData, USBx_DFIFO(0U)); + + do + { + *(uint8_t *)pDest = (uint8_t)(pData >> (8U * (uint8_t)(i))); + i++; + pDest++; + remaining_bytes--; + } while (remaining_bytes != 0U); } return ((void *)pDest); @@ -1062,7 +1152,7 @@ HAL_StatusTypeDef USB_StopDevice(USB_OTG_GlobalTypeDef *USBx) * This parameter can be a value from 0 to 255 * @retval HAL status */ -HAL_StatusTypeDef USB_SetDevAddress(USB_OTG_GlobalTypeDef *USBx, uint8_t address) +HAL_StatusTypeDef USB_SetDevAddress(USB_OTG_GlobalTypeDef *USBx, uint8_t address) { uint32_t USBx_BASE = (uint32_t)USBx; @@ -1073,31 +1163,35 @@ HAL_StatusTypeDef USB_SetDevAddress(USB_OTG_GlobalTypeDef *USBx, uint8_t addres } /** - * @brief USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down + * @brief USB_DevConnect : Connect the USB device by enabling Rpu * @param USBx Selected device * @retval HAL status */ -HAL_StatusTypeDef USB_DevConnect(USB_OTG_GlobalTypeDef *USBx) +HAL_StatusTypeDef USB_DevConnect(USB_OTG_GlobalTypeDef *USBx) { uint32_t USBx_BASE = (uint32_t)USBx; + /* In case phy is stopped, ensure to ungate and restore the phy CLK */ + USBx_PCGCCTL &= ~(USB_OTG_PCGCCTL_STOPCLK | USB_OTG_PCGCCTL_GATECLK); + 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 + * @brief USB_DevDisconnect : Disconnect the USB device by disabling Rpu * @param USBx Selected device * @retval HAL status */ -HAL_StatusTypeDef USB_DevDisconnect(USB_OTG_GlobalTypeDef *USBx) +HAL_StatusTypeDef USB_DevDisconnect(USB_OTG_GlobalTypeDef *USBx) { uint32_t USBx_BASE = (uint32_t)USBx; + /* In case phy is stopped, ensure to ungate and restore the phy CLK */ + USBx_PCGCCTL &= ~(USB_OTG_PCGCCTL_STOPCLK | USB_OTG_PCGCCTL_GATECLK); + USBx_DEVICE->DCTL |= USB_OTG_DCTL_SDIS; - HAL_Delay(3U); return HAL_OK; } @@ -1105,9 +1199,9 @@ HAL_StatusTypeDef USB_DevDisconnect(USB_OTG_GlobalTypeDef *USBx) /** * @brief USB_ReadInterrupts: return the global USB interrupt status * @param USBx Selected device - * @retval HAL status + * @retval USB Global Interrupt status */ -uint32_t USB_ReadInterrupts(USB_OTG_GlobalTypeDef *USBx) +uint32_t USB_ReadInterrupts(USB_OTG_GlobalTypeDef *USBx) { uint32_t tmpreg; @@ -1118,9 +1212,26 @@ uint32_t USB_ReadInterrupts(USB_OTG_GlobalTypeDef *USBx) } /** + * @brief USB_ReadChInterrupts: return USB channel interrupt status + * @param USBx Selected device + * @param chnum Channel number + * @retval USB Channel Interrupt status + */ +uint32_t USB_ReadChInterrupts(USB_OTG_GlobalTypeDef *USBx, uint8_t chnum) +{ + uint32_t USBx_BASE = (uint32_t)USBx; + uint32_t tmpreg; + + tmpreg = USBx_HC(chnum)->HCINT; + tmpreg &= USBx_HC(chnum)->HCINTMSK; + + return tmpreg; +} + +/** * @brief USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status * @param USBx Selected device - * @retval HAL status + * @retval USB Device OUT EP interrupt status */ uint32_t USB_ReadDevAllOutEpInterrupt(USB_OTG_GlobalTypeDef *USBx) { @@ -1136,7 +1247,7 @@ uint32_t USB_ReadDevAllOutEpInterrupt(USB_OTG_GlobalTypeDef *USBx) /** * @brief USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status * @param USBx Selected device - * @retval HAL status + * @retval USB Device IN EP interrupt status */ uint32_t USB_ReadDevAllInEpInterrupt(USB_OTG_GlobalTypeDef *USBx) { @@ -1177,7 +1288,9 @@ uint32_t USB_ReadDevOutEPInterrupt(USB_OTG_GlobalTypeDef *USBx, uint8_t epnum) uint32_t USB_ReadDevInEPInterrupt(USB_OTG_GlobalTypeDef *USBx, uint8_t epnum) { uint32_t USBx_BASE = (uint32_t)USBx; - uint32_t tmpreg, msk, emp; + uint32_t tmpreg; + uint32_t msk; + uint32_t emp; msk = USBx_DEVICE->DIEPMSK; emp = USBx_DEVICE->DIEPEMPMSK; @@ -1190,12 +1303,12 @@ uint32_t USB_ReadDevInEPInterrupt(USB_OTG_GlobalTypeDef *USBx, uint8_t epnum) /** * @brief USB_ClearInterrupts: clear a USB interrupt * @param USBx Selected device - * @param interrupt interrupt flag + * @param interrupt flag * @retval None */ void USB_ClearInterrupts(USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt) { - USBx->GINTSTS |= interrupt; + USBx->GINTSTS &= interrupt; } /** @@ -1216,7 +1329,7 @@ uint32_t USB_GetMode(USB_OTG_GlobalTypeDef *USBx) * @param USBx Selected device * @retval HAL status */ -HAL_StatusTypeDef USB_ActivateSetup(USB_OTG_GlobalTypeDef *USBx) +HAL_StatusTypeDef USB_ActivateSetup(USB_OTG_GlobalTypeDef *USBx) { uint32_t USBx_BASE = (uint32_t)USBx; @@ -1273,17 +1386,18 @@ HAL_StatusTypeDef USB_EP0_OutStart(USB_OTG_GlobalTypeDef *USBx, uint8_t dma, uin */ static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx) { - uint32_t count = 0U; + __IO uint32_t count = 0U; /* Wait for AHB master IDLE state. */ do { - if (++count > 200000U) + count++; + + if (count > 200000U) { return HAL_TIMEOUT; } - } - while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0U); + } while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0U); /* Core Soft Reset */ count = 0U; @@ -1291,12 +1405,13 @@ static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx) do { - if (++count > 200000U) + count++; + + if (count > 200000U) { return HAL_TIMEOUT; } - } - while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST); + } while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST); return HAL_OK; } @@ -1311,6 +1426,7 @@ static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx) */ HAL_StatusTypeDef USB_HostInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg) { + HAL_StatusTypeDef ret = HAL_OK; uint32_t USBx_BASE = (uint32_t)USBx; uint32_t i; @@ -1326,7 +1442,7 @@ HAL_StatusTypeDef USB_HostInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef c if ((USBx->CID & (0x1U << 8)) != 0U) { - if (cfg.speed == USB_OTG_SPEED_FULL) + if (cfg.speed == USBH_FSLS_SPEED) { /* Force Device Enumeration to FS/LS mode only */ USBx_HOST->HCFG |= USB_OTG_HCFG_FSLSS; @@ -1344,26 +1460,28 @@ HAL_StatusTypeDef USB_HostInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef c } /* Make sure the FIFOs are flushed. */ - (void)USB_FlushTxFifo(USBx, 0x10U); /* all Tx FIFOs */ - (void)USB_FlushRxFifo(USBx); + 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 HC Interrupts */ for (i = 0U; i < cfg.Host_channels; i++) { - USBx_HC(i)->HCINT = 0xFFFFFFFFU; + USBx_HC(i)->HCINT = CLEAR_INTERRUPT_MASK; 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; + USBx->GINTSTS = CLEAR_INTERRUPT_MASK; if ((USBx->CID & (0x1U << 8)) != 0U) { @@ -1391,7 +1509,7 @@ HAL_StatusTypeDef USB_HostInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef c USB_OTG_GINTMSK_SOFM | USB_OTG_GINTSTS_DISCINT | \ USB_OTG_GINTMSK_PXFRM_IISOOXFRM | USB_OTG_GINTMSK_WUIM); - return HAL_OK; + return ret; } /** @@ -1413,22 +1531,22 @@ HAL_StatusTypeDef USB_InitFSLSPClkSel(USB_OTG_GlobalTypeDef *USBx, uint8_t freq) if (freq == HCFG_48_MHZ) { - USBx_HOST->HFIR = 48000U; + USBx_HOST->HFIR = HFIR_48_MHZ; } else if (freq == HCFG_6_MHZ) { - USBx_HOST->HFIR = 6000U; + USBx_HOST->HFIR = HFIR_6_MHZ; } else { - /* ... */ + return HAL_ERROR; } return HAL_OK; } /** -* @brief USB_OTG_ResetPort : Reset Host Port + * @brief USB_OTG_ResetPort : Reset Host Port * @param USBx Selected device * @retval HAL status * @note (1)The application must wait at least 10 ms @@ -1457,10 +1575,10 @@ HAL_StatusTypeDef USB_ResetPort(USB_OTG_GlobalTypeDef *USBx) * @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 + * 0 : Deactivate VBUS + * 1 : Activate VBUS * @retval HAL status -*/ + */ HAL_StatusTypeDef USB_DriveVbus(USB_OTG_GlobalTypeDef *USBx, uint8_t state) { uint32_t USBx_BASE = (uint32_t)USBx; @@ -1504,7 +1622,7 @@ uint32_t USB_GetHostSpeed(USB_OTG_GlobalTypeDef *USBx) * @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; @@ -1533,23 +1651,21 @@ uint32_t USB_GetCurrentFrame(USB_OTG_GlobalTypeDef *USBx) * @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 + * This parameter can be a value from 0 to 32K * @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 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; + uint32_t HCcharEpDir; + uint32_t HCcharLowSpeed; + uint32_t HostCoreSpeed; /* Clear old interrupt conditions for this host channel. */ - USBx_HC((uint32_t)ch_num)->HCINT = 0xFFFFFFFFU; + USBx_HC((uint32_t)ch_num)->HCINT = CLEAR_INTERRUPT_MASK; /* Enable channel interrupts required for this transfer. */ switch (ep_type) @@ -1571,7 +1687,8 @@ HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx, { if ((USBx->CID & (0x1U << 8)) != 0U) { - USBx_HC((uint32_t)ch_num)->HCINTMSK |= (USB_OTG_HCINTMSK_NYET | USB_OTG_HCINTMSK_ACKM); + USBx_HC((uint32_t)ch_num)->HCINTMSK |= USB_OTG_HCINTMSK_NYET | + USB_OTG_HCINTMSK_ACKM; } } break; @@ -1609,6 +1726,9 @@ HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx, break; } + /* Enable host channel Halt interrupt */ + USBx_HC((uint32_t)ch_num)->HCINTMSK |= USB_OTG_HCINTMSK_CHHM; + /* Enable the top level host channel interrupt. */ USBx_HOST->HAINTMSK |= 1UL << (ch_num & 0xFU); @@ -1625,7 +1745,10 @@ HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx, HCcharEpDir = 0U; } - if (speed == HPRT0_PRTSPD_LOW_SPEED) + HostCoreSpeed = USB_GetHostSpeed(USBx); + + /* LS device plugged to HUB */ + if ((speed == HPRT0_PRTSPD_LOW_SPEED) && (HostCoreSpeed != HPRT0_PRTSPD_LOW_SPEED)) { HCcharLowSpeed = (0x1U << 17) & USB_OTG_HCCHAR_LSDEV; } @@ -1637,11 +1760,12 @@ HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx, 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; + ((uint32_t)mps & USB_OTG_HCCHAR_MPSIZ) | + USB_OTG_HCCHAR_MC_0 | HCcharEpDir | HCcharLowSpeed; - if (ep_type == EP_TYPE_INTR) + if ((ep_type == EP_TYPE_INTR) || (ep_type == EP_TYPE_ISOC)) { - USBx_HC((uint32_t)ch_num)->HCCHAR |= USB_OTG_HCCHAR_ODDFRM ; + USBx_HC((uint32_t)ch_num)->HCCHAR |= USB_OTG_HCCHAR_ODDFRM; } return ret; @@ -1661,28 +1785,28 @@ HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_HCTypeDe { uint32_t USBx_BASE = (uint32_t)USBx; uint32_t ch_num = (uint32_t)hc->ch_num; - static __IO uint32_t tmpreg = 0U; + __IO uint32_t tmpreg; uint8_t is_oddframe; uint16_t len_words; uint16_t num_packets; - uint16_t max_hc_pkt_count = 256U; + uint16_t max_hc_pkt_count = HC_MAX_PKT_CNT; if (((USBx->CID & (0x1U << 8)) != 0U) && (hc->speed == USBH_HS_SPEED)) { + /* in DMA mode host Core automatically issues ping in case of NYET/NAK */ + if ((dma == 1U) && ((hc->ep_type == EP_TYPE_CTRL) || (hc->ep_type == EP_TYPE_BULK))) + { + USBx_HC((uint32_t)ch_num)->HCINTMSK &= ~(USB_OTG_HCINTMSK_NYET | + USB_OTG_HCINTMSK_ACKM | + USB_OTG_HCINTMSK_NAKM); + } + 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 */ @@ -1693,20 +1817,29 @@ HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_HCTypeDe if (num_packets > max_hc_pkt_count) { num_packets = max_hc_pkt_count; - hc->xfer_len = (uint32_t)num_packets * hc->max_packet; + hc->XferSize = (uint32_t)num_packets * hc->max_packet; } } else { num_packets = 1U; } + + /* + * For IN channel HCTSIZ.XferSize is expected to be an integer multiple of + * max_packet size. + */ if (hc->ep_is_in != 0U) { - hc->xfer_len = (uint32_t)num_packets * hc->max_packet; + hc->XferSize = (uint32_t)num_packets * hc->max_packet; + } + else + { + hc->XferSize = hc->xfer_len; } /* Initialize the HCTSIZn register */ - USBx_HC(ch_num)->HCTSIZ = (hc->xfer_len & USB_OTG_HCTSIZ_XFRSIZ) | + USBx_HC(ch_num)->HCTSIZ = (hc->XferSize & USB_OTG_HCTSIZ_XFRSIZ) | (((uint32_t)num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) | (((uint32_t)hc->data_pid << 29) & USB_OTG_HCTSIZ_DPID); @@ -1736,45 +1869,47 @@ HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_HCTypeDe tmpreg |= USB_OTG_HCCHAR_CHENA; USBx_HC(ch_num)->HCCHAR = tmpreg; - if (dma == 0U) /* Slave mode */ + if (dma != 0U) /* dma 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: + return HAL_OK; + } - len_words = (uint16_t)((hc->xfer_len + 3U) / 4U); + 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: - /* 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; + len_words = (uint16_t)((hc->xfer_len + 3U) / 4U); - /* 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; + /* 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; - default: - 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; - /* Write packet into the Tx FIFO. */ - (void)USB_WritePacket(USBx, hc->xfer_buff, hc->ch_num, (uint16_t)hc->xfer_len, 0); + 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; @@ -1803,27 +1938,41 @@ 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; + __IO uint32_t count = 0U; uint32_t HcEpType = (USBx_HC(hcnum)->HCCHAR & USB_OTG_HCCHAR_EPTYP) >> 18; + uint32_t ChannelEna = (USBx_HC(hcnum)->HCCHAR & USB_OTG_HCCHAR_CHENA) >> 31; + + if (((USBx->GAHBCFG & USB_OTG_GAHBCFG_DMAEN) == USB_OTG_GAHBCFG_DMAEN) && + (ChannelEna == 0U)) + { + return HAL_OK; + } /* 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) + if ((USBx->GAHBCFG & USB_OTG_GAHBCFG_DMAEN) == 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 ((USBx->HNPTXSTS & (0xFFU << 16)) == 0U) { - if (++count > 1000U) + USBx_HC(hcnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA; + USBx_HC(hcnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA; + do { - break; - } + count++; + + 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; } - while ((USBx_HC(hcnum)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA); } else { @@ -1838,15 +1987,15 @@ HAL_StatusTypeDef USB_HC_Halt(USB_OTG_GlobalTypeDef *USBx, uint8_t hc_num) { 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) + count++; + + if (count > 1000U) { break; } - } - while ((USBx_HC(hcnum)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA); + } while ((USBx_HC(hcnum)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA); } else { @@ -1890,16 +2039,24 @@ HAL_StatusTypeDef USB_DoPing(USB_OTG_GlobalTypeDef *USBx, uint8_t ch_num) */ HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx) { + HAL_StatusTypeDef ret = HAL_OK; uint32_t USBx_BASE = (uint32_t)USBx; - uint32_t count = 0U; + __IO 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 USB FIFO */ + if (USB_FlushTxFifo(USBx, 0x10U) != HAL_OK) /* all Tx FIFOs */ + { + ret = HAL_ERROR; + } + + if (USB_FlushRxFifo(USBx) != HAL_OK) + { + ret = HAL_ERROR; + } /* Flush out any leftover queued requests. */ for (i = 0U; i <= 15U; i++) @@ -1922,21 +2079,22 @@ HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx) do { - if (++count > 1000U) + count++; + + if (count > 1000U) { break; } - } - while ((USBx_HC(i)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA); + } 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; + USBx_HOST->HAINT = CLEAR_INTERRUPT_MASK; + USBx->GINTSTS = CLEAR_INTERRUPT_MASK; (void)USB_EnableGlobalInt(USBx); - return HAL_OK; + return ret; } /** @@ -1973,7 +2131,6 @@ HAL_StatusTypeDef USB_DeActivateRemoteWakeup(USB_OTG_GlobalTypeDef *USBx) } #endif /* defined (USB_OTG_FS) || defined (USB_OTG_HS) */ - /** * @} */ @@ -1987,5 +2144,3 @@ HAL_StatusTypeDef USB_DeActivateRemoteWakeup(USB_OTG_GlobalTypeDef *USBx) /** * @} */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |