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SourceVuSTM32 Libraries and SamplesUx_Device_CDC_ACM

Ux_Device_CDC_ACM sample

Ux_Device_CDC_ACM is a sample project defining the following symbols:

Most used functions

Name
Location
Summary
This function handles Non maskable interrupt.
This function handles Hard fault interrupt.
This function handles Debug monitor.
This function handles Memory management fault.
This function handles Pre-fetch fault, memory access fault.
This function handles Undefined instruction or illegal state.
This function is executed in case of error occurrence.
The application entry point.
System Clock Configuration
This function handles TIM6 global interrupt, DAC1 and DAC2 underrun error interrupts.
This function handles USB On The Go FS global interrupt.
Application ThreadX Initialization.
MX_ThreadX_Init
This function handles DMA1 stream3 global interrupt.
Function implementing usbx_app_thread_entry.
Application USBX Device Initialization.
USB_OTG_FS Initialization Function
MX_USB_Device_Init Initialization of USB device. Init USB device Library, add supported class and start the library
USBD_Get_Device_Framework_Speed Return the device speed descriptor
USBD_Get_String_Framework Return the language_id_framework
USBD_Get_Language_Id_Framework Return the language_id_framework
USBD_FrameWork_AddClass Register a class in the class builder
USBD_FrameWork_AddToConfDesc Add a new class to the configuration descriptor
This function handles USART3 global interrupt.
USART3 Initialization Function
USBD_FrameWork_AssignEp Assign and endpoint
Manage the CDC class requests
DeInitializes the CDC media low layer
Initializes the CDC media low layer over the FS USB IP
Function implementing usbx_cdc_acm_thread_entry.
Function implementing usbx_cdc_acm_write_thread_entry.
USBD_Desc_GetString Convert ASCII string into Unicode one
USBD_CDC_VCP_Config Configure the COM Port with the parameters received from host.
USBD_Device_Framework_Builder Device Framework builder
Enable DMA controller clock
GPIO Initialization Function
USBD_Desc_GetLen return the string length
USBD_FrameWork_FindFreeIFNbr Find the first interface available slot
USBD_FrameWork_AddToConfDesc Add a new class to the configuration descriptor
USBD_FrameWork_CDCDesc Configure and Append the CDC Descriptor

Other commonly used symbols

Name
Location
Summary
Internal High Speed oscillator (HSI) value. This value is used by the RCC HAL module to compute the system frequency (when HSI is used as system clock source, directly or through the PLL). Value of the Internal oscillator in Hz
Adjust the value of External High Speed oscillator (HSE) used in your application. This value is used by the RCC HAL module to compute the system frequency (when HSE is used as system clock source, directly or through the PLL). Value of the External oscillator in Hz
@file : main.h : Header for main.c file. This file contains the common defines of the application. @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file stm32f4xx_it.h This file contains the headers of the interrupt handlers. @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
External clock source for I2S peripheral This value is used by the I2S HAL module to compute the I2S clock source frequency, this source is inserted directly through I2S_CKIN pad. Value of the External audio frequency in Hz
tick interrupt priority
Internal Low Speed oscillator (LSI) value. LSI Typical Value in Hz
External Low Speed oscillator (LSE) value. Value of the External Low Speed oscillator in Hz
Time out for HSE start up, in ms
Time out for LSE start up, in ms
@file stm32f4xx_hal_conf_template.h @author MCD Application Team HAL configuration template file. This file should be copied to the application folder and renamed to stm32f4xx_hal_conf.h. @attention Copyright (c) 2017 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
This is the list of modules to be used in the HAL driver
This is the HAL system configuration section Value of VDD in mv
Transceiver Basic Control Register
Auto-Negotiation process completed
PHY status register Offset
Transceiver Basic Status Register
PHY Speed mask
Enable auto-negotiation function
PHY Duplex mask
Select the power down mode
Valid link established
PHY Reset
Select loop-back mode
Set the full-duplex mode at 100 Mb/s
Set the half-duplex mode at 100 Mb/s
Set the full-duplex mode at 10 Mb/s
Set the half-duplex mode at 10 Mb/s
Restart auto-negotiation function
Isolate PHY from MII
Jabber condition detected
Uncomment the line below to expanse the "assert_param" macro in the HAL drivers code
ThreadX Component User Specific
@file app_threadx.h @author MCD Application Team ThreadX applicative header file @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file app_azure_rtos.h @author MCD Application Team azure_rtos application header file @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file app_azure_rtos_config.h @author MCD Application Team azure_rtos config header file @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
USBX Component User Specific
@file ux_stm32_config.h @author MCD Application Team USBX STM32 config header file @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file app_usbx_device.h @author MCD Application Team USBX Device applicative header file @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file ux_device_descriptors.h @author MCD Application Team USBX Device descriptor header file @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.
@file ux_device_cdc_acm.h @author MCD Application Team USBX Device CDC ACM interface header file @attention Copyright (c) 2021 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Dependencies