diff --git a/lib/main/STM32H7/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c b/lib/main/STM32H7/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c index 986ba4fc6..726f4f181 100644 --- a/lib/main/STM32H7/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c +++ b/lib/main/STM32H7/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_ll_usb.c @@ -49,6 +49,27 @@ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ + +/** @defgroup USB_OTG_GRSTCTL_AHBIDL_TIMEOUT_MS AHB master idle timeout + * @{ + */ +#define USB_OTG_GRSTCTL_AHBIDL_TIMEOUT_MS ((uint32_t)50U) + +/** @defgroup USB_OTG_GRSTCTL_CSRST_TIMEOUT_MS Core soft reset timeout + * @{ + */ +#define USB_OTG_GRSTCTL_CSRST_TIMEOUT_MS ((uint32_t)10U) + +/** @defgroup USB_OTG_GRSTCTL_TXFFLSH_TIMEOUT_MS Tx FIFO flush timeout + * @{ + */ +#define USB_OTG_GRSTCTL_TXFFLSH_TIMEOUT_MS ((uint32_t)5U) + +/** @defgroup USB_OTG_GRSTCTL_RXFFLSH_TIMEOUT_MS Rx FIFO flush timeout + * @{ + */ +#define USB_OTG_GRSTCTL_RXFFLSH_TIMEOUT_MS ((uint32_t)5U) + /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ @@ -432,19 +453,22 @@ 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; + uint32_t tickstart; USBx->GRSTCTL = (USB_OTG_GRSTCTL_TXFFLSH | (num << 6)); - do + /* Get tick */ + tickstart = HAL_GetTick(); + + /* Wait for AHB master IDLE state. */ + while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) == USB_OTG_GRSTCTL_TXFFLSH) { - if (++count > 200000U) + if ((HAL_GetTick() - tickstart) > USB_OTG_GRSTCTL_TXFFLSH_TIMEOUT_MS) { return HAL_TIMEOUT; } } - while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) == USB_OTG_GRSTCTL_TXFFLSH); - + return HAL_OK; } @@ -455,18 +479,21 @@ HAL_StatusTypeDef USB_FlushTxFifo(USB_OTG_GlobalTypeDef *USBx, uint32_t num) */ HAL_StatusTypeDef USB_FlushRxFifo(USB_OTG_GlobalTypeDef *USBx) { - uint32_t count = 0; + uint32_t tickstart; USBx->GRSTCTL = USB_OTG_GRSTCTL_RXFFLSH; - do + /* Get tick */ + tickstart = HAL_GetTick(); + + /* Wait for AHB master IDLE state. */ + while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_RXFFLSH) == USB_OTG_GRSTCTL_RXFFLSH) { - if (++count > 200000U) + if ((HAL_GetTick() - tickstart) > USB_OTG_GRSTCTL_RXFFLSH_TIMEOUT_MS) { return HAL_TIMEOUT; } } - while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_RXFFLSH) == USB_OTG_GRSTCTL_RXFFLSH); return HAL_OK; } @@ -1295,30 +1322,33 @@ 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; + uint32_t tickstart; + + /* Get tick */ + tickstart = HAL_GetTick(); /* Wait for AHB master IDLE state. */ - do + while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0U) { - if (++count > 200000U) + if ((HAL_GetTick() - tickstart) > USB_OTG_GRSTCTL_AHBIDL_TIMEOUT_MS) { return HAL_TIMEOUT; } } - while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0U); /* Core Soft Reset */ - count = 0U; USBx->GRSTCTL |= USB_OTG_GRSTCTL_CSRST; - do + /* Get tick */ + tickstart = HAL_GetTick(); + + while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST) { - if (++count > 200000U) + if ((HAL_GetTick() - tickstart) > USB_OTG_GRSTCTL_CSRST_TIMEOUT_MS) { return HAL_TIMEOUT; } } - while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST); return HAL_OK; }