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common/usbx_stm32_device_controllers/ux_dcd_stm32_transfer_abort.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_utility.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_dcd_stm32_transfer_request PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function will initiate a transfer to a specific endpoint. */
/* If the endpoint is IN, the endpoint register will be set to accept */
/* the request. */
/* */
/* If the endpoint is IN, the endpoint FIFO will be filled with the */
/* buffer and the endpoint register set. */
/* */
/* INPUT */
/* */
/* dcd_stm32 Pointer to device controller */
/* transfer_request Pointer to transfer request */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* */
/* CALLS */
/* */
/* HAL_PCD_EP_Transmit Transmit data */
/* HAL_PCD_EP_Receive Receive data */
/* _ux_utility_semaphore_get Get semaphore */
/* */
/* CALLED BY */
/* */
/* STM32 Controller Driver */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 01-31-2022 Chaoqiong Xiao Initial Version 6.1.10 */
/* */
/**************************************************************************/
UINT _ux_dcd_stm32_transfer_abort(UX_DCD_STM32 *dcd_stm32, UX_SLAVE_TRANSFER *transfer_request)
{
UX_SLAVE_ENDPOINT *endpoint;
/* Get the pointer to the logical endpoint from the transfer request. */
endpoint = transfer_request -> ux_slave_transfer_request_endpoint;
HAL_PCD_EP_Abort(dcd_stm32 -> pcd_handle, endpoint->ux_slave_endpoint_descriptor.bEndpointAddress);
HAL_PCD_EP_Flush(dcd_stm32 -> pcd_handle, endpoint->ux_slave_endpoint_descriptor.bEndpointAddress);
/* No semaphore put here since it's already done in stack. */
/* Return to caller with success. */
return(UX_SUCCESS);
}