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readme.txt
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readme.txt
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/**
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@page SubGHz_Phy_Per Readme file
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@verbatim
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******************************************************************************
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* @file Applications/SubGHz_Phy/SubGHz_Phy_Per/readme.txt
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* @author MCD Application Team
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* @brief This application is a simple demo application software between 2
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* LoRa Objects: a STM32WL Nucleo board and whatever other LoRa Radio
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* board embedding SubGHz_Phy_Per application too
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******************************************************************************
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*
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* Copyright (c) 2020-2021 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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@endverbatim
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@par Description
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This directory contains a set of source files that implements a PER (Packet Error Rate) tests application
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with IBM whitening between one Tx device and one Rx device.
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Tx device:
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- in /SubGHz_Phy/App/subghz_phy_app.c update #define TEST_MODE to RADIO_TX, compile and load
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- packet content is : preamble | sync | payload length | payload | crc
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+ crc calculated using payload length and payload
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+ whitening is calculated over payload length | payload | crc
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- the transmission starts forever in GFSK 50kbit/s with a payload of 64 bytes
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- user button 1 increments "packet length" by 16 bytes
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- user button 2 increments "packet length" by 1 bytes
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- user button 3 toggles packet "payload mode" from ramp (0x00, 0x01..) to prbs9
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- LED blue on while radio in Tx
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Rx device:
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- in /SubGHz_Phy/App/subghz_phy_app.c update #define TEST_MODE to RADIO_RX, compile and load
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- LED green on when Rx OK, LED red when Rx KO
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******************************************************************************
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@par Keywords
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Applications, SubGHz_Phy, PER, SingleCore
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@par Directory contents
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- SubGHz_Phy_Per/Core/Inc/dma.h This file contains all the function prototypes for
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the dma.c file
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- SubGHz_Phy_Per/Core/Inc/gpio.h This file contains all the function prototypes for
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the gpio.c file
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- SubGHz_Phy_Per/Core/Inc/main.h : Header for main.c file.
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This file contains the common defines of the application.
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- SubGHz_Phy_Per/Core/Inc/platform.h Header for General HW instances configuration
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- SubGHz_Phy_Per/Core/Inc/rtc.h This file contains all the function prototypes for
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the rtc.c file
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- SubGHz_Phy_Per/Core/Inc/stm32wlxx_hal_conf.h HAL configuration file.
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- SubGHz_Phy_Per/Core/Inc/stm32wlxx_it.h This file contains the headers of the interrupt handlers.
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- SubGHz_Phy_Per/Core/Inc/stm32wlxx_nucleo_conf.h STM32WLxx_Nucleo board configuration file.
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- SubGHz_Phy_Per/Core/Inc/stm32_lpm_if.h Header for Low Power Manager interface configuration
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- SubGHz_Phy_Per/Core/Inc/subghz.h This file contains all the function prototypes for
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the subghz.c file
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- SubGHz_Phy_Per/Core/Inc/sys_app.h Function prototypes for sys_app.c file
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- SubGHz_Phy_Per/Core/Inc/sys_conf.h Applicative configuration, e.g. : debug, trace, low power, sensors
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- SubGHz_Phy_Per/Core/Inc/sys_debug.h Configuration of the debug.c instances
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- SubGHz_Phy_Per/Core/Inc/timer_if.h configuration of the timer_if.c instances
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- SubGHz_Phy_Per/Core/Inc/usart.h This file contains all the function prototypes for
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the usart.c file
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- SubGHz_Phy_Per/Core/Inc/usart_if.h Header for USART interface configuration
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- SubGHz_Phy_Per/Core/Inc/utilities_conf.h Header for configuration file to utilities
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- SubGHz_Phy_Per/Core/Inc/utilities_def.h Definitions for modules requiring utilities
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- SubGHz_Phy_Per/SubGHz_Phy/App/app_subghz_phy.h Header of application of the SubGHz_Phy Middleware
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- SubGHz_Phy_Per/SubGHz_Phy/App/app_version.h Definition the version of the application
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- SubGHz_Phy_Per/SubGHz_Phy/App/subghz_phy_app.h Header of application of the SubGHz_Phy Middleware
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- SubGHz_Phy_Per/SubGHz_Phy/Target/mw_log_conf.h Configure (enable/disable) traces
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- SubGHz_Phy_Per/SubGHz_Phy/Target/radio_board_if.h Header for Radio interface configuration
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- SubGHz_Phy_Per/SubGHz_Phy/Target/radio_conf.h Header of Radio configuration
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- SubGHz_Phy_Per/SubGHz_Phy/Target/timer.h Wrapper to timer server
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- SubGHz_Phy_Per/Core/Src/dma.c This file provides code for the configuration
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of all the requested memory to memory DMA transfers.
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- SubGHz_Phy_Per/Core/Src/gpio.c This file provides code for the configuration
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of all used GPIO pins.
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- SubGHz_Phy_Per/Core/Src/main.c : Main program body
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- SubGHz_Phy_Per/Core/Src/rtc.c This file provides code for the configuration
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of the RTC instances.
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- SubGHz_Phy_Per/Core/Src/stm32wlxx_hal_msp.c This file provides code for the MSP Initialization
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and de-Initialization codes.
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- SubGHz_Phy_Per/Core/Src/stm32wlxx_it.c Interrupt Service Routines.
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- SubGHz_Phy_Per/Core/Src/stm32_lpm_if.c Low layer function to enter/exit low power modes (stop, sleep)
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- SubGHz_Phy_Per/Core/Src/subghz.c This file provides code for the configuration
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of the SUBGHZ instances.
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- SubGHz_Phy_Per/Core/Src/system_stm32wlxx.c CMSIS Cortex Device Peripheral Access Layer System Source File
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- SubGHz_Phy_Per/Core/Src/sys_app.c Initializes HW and SW system entities (not related to the radio)
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- SubGHz_Phy_Per/Core/Src/sys_debug.c Configure probes pins RealTime debugging and JTAG/SerialWires for LowPower
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- SubGHz_Phy_Per/Core/Src/timer_if.c Configure RTC Alarm, Tick and Calendar manager
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- SubGHz_Phy_Per/Core/Src/usart.c This file provides code for the configuration
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of the USART instances.
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- SubGHz_Phy_Per/Core/Src/usart_if.c Configuration of UART driver interface for hyperterminal communication
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- SubGHz_Phy_Per/STM32CubeIDE/Application/User/Core/syscalls.c STM32CubeIDE Minimal System calls file
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- SubGHz_Phy_Per/STM32CubeIDE/Application/User/Core/sysmem.c STM32CubeIDE System Memory calls file
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- SubGHz_Phy_Per/SubGHz_Phy/App/app_subghz_phy.c Application of the SubGHz_Phy Middleware
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- SubGHz_Phy_Per/SubGHz_Phy/App/subghz_phy_app.c Application of the SubGHz_Phy Middleware
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- SubGHz_Phy_Per/SubGHz_Phy/Target/radio_board_if.c This file provides an interface layer between MW and Radio Board
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@par Hardware and Software environment
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- This example runs on the STM32WLxx Nucleo boards. Both NUCLEO-WL55JC1 (HIGH-BAND) and NUCLEO-WL55JC2 (LOW-BAND) are suitable.
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- STM32WLxx Nucleo board Set-up
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- Connect the Nucleo board to your PC with a USB cable type A to micro-B
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to ST-LINK connector.
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- Please ensure that the ST-LINK connector jumpers are fitted.
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- Configure the software via the configuration files:
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- sys_conf.h, radio_conf.h, mw_log_conf.h, main.h, etc
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-Set Up:
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-------------------------- V V --------------------------
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| Tx Device | | | | Rx Device |
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| | | | | |
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ComPort<--| |--| |--| |-->ComPort
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| | | |
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-------------------------- --------------------------
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@par How to use it ?
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In order to make the program work, you must do the following :
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- Open your preferred toolchain
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- Rebuild all files and load your image into target memory
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- Do the same for second board
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- Reset the two boards
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- Run the example on two boards
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- Open two Terminals, each connected to their respective Tx or Rx Device
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- UART Config = 115200, 8b, 1 stopbit, no parity, no flow control
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@par How to debug ?
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- make sure the flag DEBUGGER_ENABLED to 1 in sys_conf.h
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- simpler to define the flag LOW_POWER_DISABLE to 1 as well
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- compile, download and attach
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@par How to use MX to modify some RF middleware and application settings
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This example is compatible (with some problems/limitations) with STM32CubeMX
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and the RF application and middleware configuration can be modified via GUI. Few warnings and guidelines:
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- ioc file is provided in the project directory and can be opened with STM32CubeMX v6.7.0 or higher.
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- warning: when regenerating with the provided ioc file,
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the IDE projects are regenerated and paths to HAL and MWs files from STM32Cube/Repository location are erroneously added; to avoid that,
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user shall uncheck the "Use Default Firmware Location" in the GUI "Project-Manager" panel
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and shall replace "Firmware Relative Path" with the root directory of the STM32CubeWL firmware package (e.g. C:\myDir\STM32Cube_FW_WL_V1.3.0\);
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problem will be fixed in next STM32CubeMX version.
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- .extSettings file allows to add to the generated IDE projects additional files not generated natively by MX (e.g. BSP files).
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- when regenerating on existing code and existing linker files:
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- STM32CubeMX updates the existing project content and preserves linker files.
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- STM32CubeMX does not update the USER CODE sections (lines between /* USER CODE BEGIN Xxx */ and /* USER CODE END Xxx */).
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- when regenerating after copying only the ioc file in an empty directory:
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- STM32CubeMX generates default project files and default linker files. (Please check original linker file from project directory)
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- it is up to the user to to fill the USER CODE sections with his application code.
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This SubGHz_Phy project is based on "Advanced template" (MX GUI Application).
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USER CODE SECTION are filled to end up with "Switch_Fhss_Fsk_Lora" project.
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@par How to use it with Azure ThreadX RTOS?
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This example can be combined with Azure ThreadX RTOS via STM32CubeMX. The video tutorial:
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"STM32WL - How to port an existing RF application on Azure ThreadX RTOS"
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is available on https://www.youtube.com/playlist?list=PLnMKNibPkDnE2eaR-ZGM3ZJXadyQLtTpX
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but not sufficient for the complete porting of this example.
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After following the video instructions the user shall open "subghz_phy_app.c" and manually:
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- delete "stm32_seq.h" inclusion
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- delete the line "UTIL_SEQ_RegTask((1 << CFG_SEQ_Task_SubGHz_Phy_App_Process), UTIL_SEQ_RFU, Per_Process);
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- call Per_Process(); function within /* USER CODE App_Main_Thread_Entry_Loop */
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- replace "UTIL_SEQ_SetTask(..) calls" with tx_thread_resume(&App_MainThread);
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* <h3><center>© COPYRIGHT STMicroelectronics</center></h3>
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*/
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