usbx
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Outline
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#define UX_SOURCE_CODE
#define UX_DCD_STM32_SOURCE_CODE
#include "ux_api.h"
#include "ux_dcd_stm32.h"
#include "ux_device_stack.h"
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_ux_dcd_stm32_endpoint_reset(UX_DCD_STM32 *, UX_SLAVE_ENDPOINT *)
Files
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SourceVuSTM32 Libraries and Samplesusbxcommon/usbx_stm32_device_controllers/ux_dcd_stm32_endpoint_reset.c
 
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/**************************************************************************/ /* */ /* Copyright (c) Microsoft Corporation. All rights reserved. */ /* */ /* This software is licensed under the Microsoft Software License */ /* Terms for Microsoft Azure RTOS. Full text of the license can be */ /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ /* and in the root directory of this software. */ /* */... /**************************************************************************/ ... /**************************************************************************/ /**************************************************************************/ /** */ /** USBX Component */ /** */ /** STM32 Controller Driver */ /** */... /**************************************************************************/ /**************************************************************************/ #define UX_SOURCE_CODE #define UX_DCD_STM32_SOURCE_CODE /* Include necessary system files. */ #include "ux_api.h" #include "ux_dcd_stm32.h" #include "ux_device_stack.h" ... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_dcd_stm32_endpoint_reset PORTABLE C */ /* 6.1.10 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function will reset a physical endpoint. */ /* */ /* INPUT */ /* */ /* dcd_stm32 Pointer to device controller */ /* endpoint Pointer to endpoint container */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* HAL_PCD_EP_ClrStall Clear STALL */ /* */ /* CALLED BY */ /* */ /* STM32 Controller Driver */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ /* 09-30-2020 Chaoqiong Xiao Modified comment(s), used ST */ /* HAL library to drive the */ /* controller, */ /* resulting in version 6.1 */ /* 01-31-2022 Chaoqiong Xiao Modified comment(s), */ /* added standalone support, */ /* resulting in version 6.1.10 */ /* */... /**************************************************************************/ UINT _ux_dcd_stm32_endpoint_reset(UX_DCD_STM32 *dcd_stm32, UX_SLAVE_ENDPOINT *endpoint) { UX_INTERRUPT_SAVE_AREA UX_DCD_STM32_ED *ed; /* Get the physical endpoint address in the endpoint container. */ ed = (UX_DCD_STM32_ED *) endpoint -> ux_slave_endpoint_ed; UX_DISABLE /* Set the status of the endpoint to not stalled. */ ed -> ux_dcd_stm32_ed_status &= ~(UX_DCD_STM32_ED_STATUS_STALLED | UX_DCD_STM32_ED_STATUS_DONE | UX_DCD_STM32_ED_STATUS_SETUP); /* Set the state of the endpoint to IDLE. */ ed -> ux_dcd_stm32_ed_state = UX_DCD_STM32_ED_STATE_IDLE; /* Clear STALL condition. */ HAL_PCD_EP_ClrStall(dcd_stm32 -> pcd_handle, endpoint -> ux_slave_endpoint_descriptor.bEndpointAddress); /* Flush buffer. */ HAL_PCD_EP_Flush(dcd_stm32 -> pcd_handle, endpoint->ux_slave_endpoint_descriptor.bEndpointAddress); #ifndef UX_DEVICE_STANDALONE /* Wakeup pending thread. */ if (endpoint -> ux_slave_endpoint_transfer_request.ux_slave_transfer_request_semaphore.tx_semaphore_suspended_count) _ux_utility_semaphore_put(&endpoint -> ux_slave_endpoint_transfer_request.ux_slave_transfer_request_semaphore);/* ... */ #endif UX_RESTORE /* This function never fails. */ return(UX_SUCCESS); }{ ... }
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