635 lines
33 KiB
C
635 lines
33 KiB
C
/**************************************************************************/
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/* */
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/* Copyright (c) Microsoft Corporation. All rights reserved. */
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/* */
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/* This software is licensed under the Microsoft Software License */
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
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/* and in the root directory of this software. */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** USBX Component */
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/** */
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/** STM32 Controller Driver */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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#define UX_SOURCE_CODE
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#define UX_DCD_STM32_SOURCE_CODE
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/* Include necessary system files. */
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#include "ux_api.h"
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#include "ux_dcd_stm32.h"
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#include "ux_device_stack.h"
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#include "ux_utility.h"
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* HAL_PCD_SetupStageCallback PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* Chaoqiong Xiao, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function handles callback from HAL driver. */
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/* */
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/* INPUT */
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/* */
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/* hpcd Pointer to PCD handle */
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/* */
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/* OUTPUT */
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/* */
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/* None */
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/* */
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/* CALLS */
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/* */
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/* _ux_device_stack_control_request_process */
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/* Process control request */
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/* HAL_PCD_EP_Transmit Transmit data */
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/* HAL_PCD_EP_Receive Receive data */
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/* */
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/* CALLED BY */
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/* */
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/* STM32 HAL Driver */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 09-30-2020 Chaoqiong Xiao Initial Version 6.1 */
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/* */
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/**************************************************************************/
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void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
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{
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UX_SLAVE_DCD *dcd;
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UX_DCD_STM32 *dcd_stm32;
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UX_DCD_STM32_ED *ed;
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UX_SLAVE_TRANSFER *transfer_request;
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UX_SLAVE_ENDPOINT *endpoint;
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/* Get the pointer to the DCD. */
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dcd = &_ux_system_slave -> ux_system_slave_dcd;
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/* Get the pointer to the STM32 DCD. */
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dcd_stm32 = (UX_DCD_STM32 *) dcd -> ux_slave_dcd_controller_hardware;
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/* Fetch the address of the physical endpoint. */
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ed = &dcd_stm32 -> ux_dcd_stm32_ed[0];
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/* Get the pointer to the transfer request. */
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transfer_request = &ed -> ux_dcd_stm32_ed_endpoint -> ux_slave_endpoint_transfer_request;
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/* Copy setup data to transfer request. */
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_ux_utility_memory_copy(transfer_request->ux_slave_transfer_request_setup, hpcd -> Setup, UX_SETUP_SIZE);
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/* Clear the length of the data received. */
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transfer_request -> ux_slave_transfer_request_actual_length = 0;
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/* Mark the phase as SETUP. */
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transfer_request -> ux_slave_transfer_request_type = UX_TRANSFER_PHASE_SETUP;
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/* Mark the transfer as successful. */
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transfer_request -> ux_slave_transfer_request_completion_code = UX_SUCCESS;
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/* Set the status of the endpoint to not stalled. */
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ed -> ux_dcd_stm32_ed_status &= ~UX_DCD_STM32_ED_STATUS_STALLED;
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/* Check if the transaction is IN. */
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if (*transfer_request -> ux_slave_transfer_request_setup & UX_REQUEST_IN)
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{
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/* The endpoint is IN. This is important to memorize the direction for the control endpoint
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in case of a STALL. */
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ed -> ux_dcd_stm32_ed_direction = UX_ENDPOINT_IN;
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/* Call the Control Transfer dispatcher. */
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_ux_device_stack_control_request_process(transfer_request);
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/* Set the state to TX. */
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ed -> ux_dcd_stm32_ed_state = UX_DCD_STM32_ED_STATE_DATA_TX;
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}
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else
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{
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/* The endpoint is OUT. This is important to memorize the direction for the control endpoint
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in case of a STALL. */
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ed -> ux_dcd_stm32_ed_direction = UX_ENDPOINT_OUT;
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/* We are in a OUT transaction. Check if there is a data payload. If so, wait for the payload
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to be delivered. */
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if (*(transfer_request -> ux_slave_transfer_request_setup + 6) == 0 &&
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*(transfer_request -> ux_slave_transfer_request_setup + 7) == 0)
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{
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/* The endpoint is IN. This is important to memorize the direction for the control endpoint
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in case of a STALL. */
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ed -> ux_dcd_stm32_ed_direction = UX_ENDPOINT_IN;
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/* Call the Control Transfer dispatcher. */
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if (_ux_device_stack_control_request_process(transfer_request) == UX_SUCCESS)
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{
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/* Set the state to STATUS RX. */
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ed -> ux_dcd_stm32_ed_state = UX_DCD_STM32_ED_STATE_STATUS_RX;
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HAL_PCD_EP_Transmit(hpcd, 0x00U, UX_NULL, 0U);
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}
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}
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else
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{
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/* Get the pointer to the logical endpoint from the transfer request. */
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endpoint = transfer_request -> ux_slave_transfer_request_endpoint;
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/* Get the length we expect from the SETUP packet. */
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transfer_request -> ux_slave_transfer_request_requested_length = _ux_utility_short_get(transfer_request -> ux_slave_transfer_request_setup + 6);
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/* Check if we have enough space for the request. */
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if (transfer_request -> ux_slave_transfer_request_requested_length > UX_SLAVE_REQUEST_CONTROL_MAX_LENGTH)
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{
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/* No space available, stall the endpoint. */
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_ux_dcd_stm32_endpoint_stall(dcd_stm32, endpoint);
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/* Next phase is a SETUP. */
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ed -> ux_dcd_stm32_ed_state = UX_DCD_STM32_ED_STATE_IDLE;
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/* We are done. */
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return;
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}
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else
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{
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/* Reset what we have received so far. */
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transfer_request -> ux_slave_transfer_request_actual_length = 0;
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/* And reprogram the current buffer address to the beginning of the buffer. */
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transfer_request -> ux_slave_transfer_request_current_data_pointer = transfer_request -> ux_slave_transfer_request_data_pointer;
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/* Receive data. */
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HAL_PCD_EP_Receive(hpcd,
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endpoint -> ux_slave_endpoint_descriptor.bEndpointAddress,
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transfer_request -> ux_slave_transfer_request_current_data_pointer,
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transfer_request -> ux_slave_transfer_request_requested_length);
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/* Set the state to RX. */
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ed -> ux_dcd_stm32_ed_state = UX_DCD_STM32_ED_STATE_DATA_RX;
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}
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}
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}
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}
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* HAL_PCD_DataInStageCallback PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* Chaoqiong Xiao, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function handles callback from HAL driver. */
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/* */
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/* INPUT */
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/* */
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/* hpcd Pointer to PCD handle */
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/* epnum Endpoint number */
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/* */
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/* OUTPUT */
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/* */
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/* None */
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/* */
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/* CALLS */
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/* */
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/* _ux_utility_semaphore_put Put semaphore */
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/* HAL_PCD_EP_Transmit Transmit data */
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/* HAL_PCD_EP_Receive Receive data */
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/* */
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/* CALLED BY */
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/* */
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/* STM32 HAL Driver */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 09-30-2020 Chaoqiong Xiao Initial Version 6.1 */
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/* */
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/**************************************************************************/
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void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
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{
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UX_SLAVE_DCD *dcd;
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UX_DCD_STM32 *dcd_stm32;
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UX_DCD_STM32_ED *ed;
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UX_SLAVE_TRANSFER *transfer_request;
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ULONG transfer_length;
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UX_SLAVE_ENDPOINT *endpoint;
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/* Get the pointer to the DCD. */
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dcd = &_ux_system_slave -> ux_system_slave_dcd;
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/* Get the pointer to the STM32 DCD. */
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dcd_stm32 = (UX_DCD_STM32 *) dcd -> ux_slave_dcd_controller_hardware;
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/* Fetch the address of the physical endpoint. */
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ed = &dcd_stm32 -> ux_dcd_stm32_ed[epnum & 0xF];
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/* Get the pointer to the transfer request. */
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transfer_request = &(ed -> ux_dcd_stm32_ed_endpoint -> ux_slave_endpoint_transfer_request);
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/* Endpoint 0 is different. */
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if (epnum == 0U)
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{
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/* Get the pointer to the logical endpoint from the transfer request. */
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endpoint = transfer_request -> ux_slave_transfer_request_endpoint;
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/* Check if we need to send data again on control endpoint. */
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if (ed -> ux_dcd_stm32_ed_state == UX_DCD_STM32_ED_STATE_DATA_TX)
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{
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/* Arm Status transfer. */
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HAL_PCD_EP_Receive(hpcd, 0, 0, 0);
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/* Are we done with this transfer ? */
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if (transfer_request -> ux_slave_transfer_request_in_transfer_length <= endpoint -> ux_slave_endpoint_descriptor.wMaxPacketSize)
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{
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/* There is no data to send but we may need to send a Zero Length Packet. */
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if (transfer_request -> ux_slave_transfer_request_force_zlp == UX_TRUE)
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{
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/* Arm a ZLP packet on IN. */
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HAL_PCD_EP_Transmit(hpcd,
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endpoint->ux_slave_endpoint_descriptor.bEndpointAddress, 0, 0);
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/* Reset the ZLP condition. */
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transfer_request -> ux_slave_transfer_request_force_zlp = UX_FALSE;
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}
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else
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{
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/* Set the completion code to no error. */
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transfer_request -> ux_slave_transfer_request_completion_code = UX_SUCCESS;
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/* The transfer is completed. */
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transfer_request -> ux_slave_transfer_request_status = UX_TRANSFER_STATUS_COMPLETED;
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/* We are using a Control endpoint, if there is a callback, invoke it. We are still under ISR. */
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if (transfer_request -> ux_slave_transfer_request_completion_function)
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transfer_request -> ux_slave_transfer_request_completion_function (transfer_request) ;
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/* State is now STATUS RX. */
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ed -> ux_dcd_stm32_ed_state = UX_DCD_STM32_ED_STATE_STATUS_RX;
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}
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}
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else
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{
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/* Get the size of the transfer. */
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transfer_length = transfer_request -> ux_slave_transfer_request_in_transfer_length - endpoint -> ux_slave_endpoint_descriptor.wMaxPacketSize;
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/* Check if the endpoint size is bigger that data requested. */
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if (transfer_length > endpoint -> ux_slave_endpoint_descriptor.wMaxPacketSize)
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{
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/* Adjust the transfer size. */
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transfer_length = endpoint -> ux_slave_endpoint_descriptor.wMaxPacketSize;
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}
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/* Adjust the data pointer. */
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transfer_request -> ux_slave_transfer_request_current_data_pointer += endpoint -> ux_slave_endpoint_descriptor.wMaxPacketSize;
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/* Adjust the transfer length remaining. */
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transfer_request -> ux_slave_transfer_request_in_transfer_length -= transfer_length;
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/* Transmit data. */
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HAL_PCD_EP_Transmit(hpcd,
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endpoint->ux_slave_endpoint_descriptor.bEndpointAddress,
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transfer_request->ux_slave_transfer_request_current_data_pointer,
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transfer_length);
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}
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}
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}
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else
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{
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/* Set the completion code to no error. */
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transfer_request -> ux_slave_transfer_request_completion_code = UX_SUCCESS;
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/* The transfer is completed. */
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transfer_request -> ux_slave_transfer_request_status = UX_TRANSFER_STATUS_COMPLETED;
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/* Non control endpoint operation, use semaphore. */
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_ux_utility_semaphore_put(&transfer_request -> ux_slave_transfer_request_semaphore);
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}
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}
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* HAL_PCD_DataOutStageCallback PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* Chaoqiong Xiao, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function handles callback from HAL driver. */
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/* */
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/* INPUT */
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/* */
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/* hpcd Pointer to PCD handle */
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/* epnum Endpoint number */
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/* */
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/* OUTPUT */
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/* */
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/* None */
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/* */
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/* CALLS */
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/* */
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/* _ux_device_stack_control_request_process */
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/* Process control request */
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/* _ux_utility_semaphore_put Put semaphore */
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/* HAL_PCD_EP_Transmit Transmit data */
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/* HAL_PCD_EP_Receive Receive data */
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/* */
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/* CALLED BY */
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/* */
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/* STM32 HAL Driver */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 09-30-2020 Chaoqiong Xiao Initial Version 6.1 */
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/* */
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/**************************************************************************/
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void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
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{
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UX_SLAVE_DCD *dcd;
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UX_DCD_STM32 *dcd_stm32;
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UX_DCD_STM32_ED *ed;
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UX_SLAVE_TRANSFER *transfer_request;
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ULONG transfer_length;
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UX_SLAVE_ENDPOINT *endpoint;
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/* Get the pointer to the DCD. */
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dcd = &_ux_system_slave -> ux_system_slave_dcd;
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/* Get the pointer to the STM32 DCD. */
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dcd_stm32 = (UX_DCD_STM32 *) dcd -> ux_slave_dcd_controller_hardware;
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/* Fetch the address of the physical endpoint. */
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ed = &dcd_stm32 -> ux_dcd_stm32_ed[epnum & 0xF];
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/* Get the pointer to the transfer request. */
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transfer_request = &(ed -> ux_dcd_stm32_ed_endpoint -> ux_slave_endpoint_transfer_request);
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/* Endpoint 0 is different. */
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if (epnum == 0U)
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{
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/* Check if we have received something on endpoint 0 during data phase . */
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if (ed -> ux_dcd_stm32_ed_state == UX_DCD_STM32_ED_STATE_DATA_RX)
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{
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/* Get the pointer to the logical endpoint from the transfer request. */
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endpoint = transfer_request -> ux_slave_transfer_request_endpoint;
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/* Read the received data length for the Control endpoint. */
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transfer_length = HAL_PCD_EP_GetRxCount(hpcd, epnum);
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/* Update the length of the data received. */
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transfer_request -> ux_slave_transfer_request_actual_length += transfer_length;
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/* Can we accept this much? */
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if (transfer_request -> ux_slave_transfer_request_actual_length <=
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transfer_request -> ux_slave_transfer_request_requested_length)
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{
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/* Are we done with this transfer ? */
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if ((transfer_request -> ux_slave_transfer_request_actual_length ==
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transfer_request -> ux_slave_transfer_request_requested_length) ||
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(transfer_length != endpoint -> ux_slave_endpoint_descriptor.wMaxPacketSize))
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{
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/* Set the completion code to no error. */
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transfer_request -> ux_slave_transfer_request_completion_code = UX_SUCCESS;
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/* The endpoint is IN. This is important to memorize the direction for the control endpoint
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in case of a STALL. */
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ed -> ux_dcd_stm32_ed_direction = UX_ENDPOINT_IN;
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/* We are using a Control endpoint on a OUT transaction and there was a payload. */
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if (_ux_device_stack_control_request_process(transfer_request) == UX_SUCCESS)
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{
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/* Set the state to STATUS phase TX. */
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ed -> ux_dcd_stm32_ed_state = UX_DCD_STM32_ED_STATE_STATUS_TX;
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/* Arm the status transfer. */
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HAL_PCD_EP_Transmit(hpcd, 0x00U, UX_NULL, 0U);
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}
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}
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else
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{
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/* Rearm the OUT control endpoint for one packet. */
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transfer_request -> ux_slave_transfer_request_current_data_pointer += endpoint -> ux_slave_endpoint_descriptor.wMaxPacketSize;
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HAL_PCD_EP_Receive(hpcd,
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endpoint -> ux_slave_endpoint_descriptor.bEndpointAddress,
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transfer_request -> ux_slave_transfer_request_current_data_pointer,
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endpoint -> ux_slave_endpoint_descriptor.wMaxPacketSize);
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}
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}
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else
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{
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/* We have an overflow situation. Set the completion code to overflow. */
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transfer_request -> ux_slave_transfer_request_completion_code = UX_TRANSFER_BUFFER_OVERFLOW;
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/* If trace is enabled, insert this event into the trace buffer. */
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UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_TRANSFER_BUFFER_OVERFLOW, transfer_request, 0, 0, UX_TRACE_ERRORS, 0, 0)
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/* We are using a Control endpoint, if there is a callback, invoke it. We are still under ISR. */
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if (transfer_request -> ux_slave_transfer_request_completion_function)
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transfer_request -> ux_slave_transfer_request_completion_function (transfer_request) ;
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}
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}
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}
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else
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{
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/* Update the length of the data sent in previous transaction. */
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transfer_request -> ux_slave_transfer_request_actual_length = HAL_PCD_EP_GetRxCount(hpcd, epnum);
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/* Set the completion code to no error. */
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transfer_request -> ux_slave_transfer_request_completion_code = UX_SUCCESS;
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/* The transfer is completed. */
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transfer_request -> ux_slave_transfer_request_status = UX_TRANSFER_STATUS_COMPLETED;
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/* Non control endpoint operation, use semaphore. */
|
|
_ux_utility_semaphore_put(&transfer_request -> ux_slave_transfer_request_semaphore);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/**************************************************************************/
|
|
/* */
|
|
/* FUNCTION RELEASE */
|
|
/* */
|
|
/* HAL_PCD_ResetCallback PORTABLE C */
|
|
/* 6.1 */
|
|
/* AUTHOR */
|
|
/* */
|
|
/* Chaoqiong Xiao, Microsoft Corporation */
|
|
/* */
|
|
/* DESCRIPTION */
|
|
/* */
|
|
/* This function handles callback from HAL driver. */
|
|
/* */
|
|
/* INPUT */
|
|
/* */
|
|
/* hpcd Pointer to PCD handle */
|
|
/* */
|
|
/* OUTPUT */
|
|
/* */
|
|
/* None */
|
|
/* */
|
|
/* CALLS */
|
|
/* */
|
|
/* _ux_device_stack_disconnect Disconnect device */
|
|
/* _ux_dcd_stm32_initialize_complete Complete initialization */
|
|
/* */
|
|
/* CALLED BY */
|
|
/* */
|
|
/* STM32 HAL Driver */
|
|
/* */
|
|
/* RELEASE HISTORY */
|
|
/* */
|
|
/* DATE NAME DESCRIPTION */
|
|
/* */
|
|
/* 09-30-2020 Chaoqiong Xiao Initial Version 6.1 */
|
|
/* */
|
|
/**************************************************************************/
|
|
void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
|
|
{
|
|
|
|
/* If the device is attached or configured, we need to disconnect it. */
|
|
if (_ux_system_slave -> ux_system_slave_device.ux_slave_device_state != UX_DEVICE_RESET)
|
|
{
|
|
|
|
/* Disconnect the device. */
|
|
_ux_device_stack_disconnect();
|
|
}
|
|
|
|
/* Set USB Current Speed */
|
|
switch(hpcd -> Init.speed)
|
|
{
|
|
#ifdef PCD_SPEED_HIGH
|
|
case PCD_SPEED_HIGH:
|
|
|
|
/* We are connected at high speed. */
|
|
_ux_system_slave -> ux_system_slave_speed = UX_HIGH_SPEED_DEVICE;
|
|
break;
|
|
#endif
|
|
case PCD_SPEED_FULL:
|
|
|
|
/* We are connected at full speed. */
|
|
_ux_system_slave -> ux_system_slave_speed = UX_FULL_SPEED_DEVICE;
|
|
break;
|
|
|
|
default:
|
|
|
|
/* We are connected at full speed. */
|
|
_ux_system_slave -> ux_system_slave_speed = UX_FULL_SPEED_DEVICE;
|
|
break;
|
|
}
|
|
|
|
/* Complete the device initialization. */
|
|
_ux_dcd_stm32_initialize_complete();
|
|
|
|
/* Mark the device as attached now. */
|
|
_ux_system_slave -> ux_system_slave_device.ux_slave_device_state = UX_DEVICE_ATTACHED;
|
|
}
|
|
|
|
|
|
/**************************************************************************/
|
|
/* */
|
|
/* FUNCTION RELEASE */
|
|
/* */
|
|
/* HAL_PCD_ResetCallback PORTABLE C */
|
|
/* 6.1 */
|
|
/* AUTHOR */
|
|
/* */
|
|
/* Chaoqiong Xiao, Microsoft Corporation */
|
|
/* */
|
|
/* DESCRIPTION */
|
|
/* */
|
|
/* This function handles callback from HAL driver. */
|
|
/* */
|
|
/* INPUT */
|
|
/* */
|
|
/* hpcd Pointer to PCD handle */
|
|
/* */
|
|
/* OUTPUT */
|
|
/* */
|
|
/* None */
|
|
/* */
|
|
/* CALLS */
|
|
/* */
|
|
/* _ux_device_stack_disconnect Disconnect device */
|
|
/* */
|
|
/* CALLED BY */
|
|
/* */
|
|
/* STM32 HAL Driver */
|
|
/* */
|
|
/* RELEASE HISTORY */
|
|
/* */
|
|
/* DATE NAME DESCRIPTION */
|
|
/* */
|
|
/* 09-30-2020 Chaoqiong Xiao Initial Version 6.1 */
|
|
/* */
|
|
/**************************************************************************/
|
|
void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
|
|
{
|
|
|
|
/* Check if the device is attached or configured. */
|
|
if (_ux_system_slave -> ux_system_slave_device.ux_slave_device_state != UX_DEVICE_RESET)
|
|
{
|
|
|
|
/* Disconnect the device. */
|
|
_ux_device_stack_disconnect();
|
|
}
|
|
}
|