[HAL][USB] Set DCD timeout to a minimum of 300ms before starting BCD primary detection process
diff --git a/Src/stm32f0xx_hal_pcd_ex.c b/Src/stm32f0xx_hal_pcd_ex.c index 7330414..b3b7caf 100644 --- a/Src/stm32f0xx_hal_pcd_ex.c +++ b/Src/stm32f0xx_hal_pcd_ex.c
@@ -159,23 +159,8 @@ USB_TypeDef *USBx = hpcd->Instance; uint32_t tickstart = HAL_GetTick(); - /* Wait Detect flag or a timeout is happen */ - while ((USBx->BCDR & USB_BCDR_DCDET) == 0U) - { - /* Check for the Timeout */ - if ((HAL_GetTick() - tickstart) > 1000U) - { -#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) - hpcd->BCDCallback(hpcd, PCD_BCD_ERROR); -#else - HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR); -#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ - - return; - } - } - - HAL_Delay(200U); + /* Wait for Min DCD Timeout */ + HAL_Delay(300U); /* Data Pin Contact ? Check Detect flag */ if ((USBx->BCDR & USB_BCDR_DCDET) == USB_BCDR_DCDET) @@ -235,11 +220,24 @@ /* Battery Charging capability discovery finished Start Enumeration */ (void)HAL_PCDEx_DeActivateBCD(hpcd); + + /* Check for the Timeout, else start USB Device */ + if ((HAL_GetTick() - tickstart) > 1000U) + { #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) - hpcd->BCDCallback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); + hpcd->BCDCallback(hpcd, PCD_BCD_ERROR); #else - HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); + HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR); #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ + } + else + { +#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U) + hpcd->BCDCallback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); +#else + HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED); +#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */ + } }