stm32 watchdog example. These channels are identified with a progressive number starting from 0, the first 16 channels are usually assigned to external sources (e. Both of these watchdogs are used for similar purpose, but the difference is in their implementation. STMicroelectronics reveals affordable and turnkey STGest…. Hanging brother FOC learning notes - step 1. There is a down counter in a watchdog …. Under Mode, change Interface to CMSIS_V2. The STM32F1 Getting Started - HAL course aims at exploring the HAL library in depth without the use of CubeMX for code generation to make student or engineers appreciate and understand the peripherals configuration process and structure within the HAL library. stm32 timer interrupt example arduino Publicerat april 25, 2022 av. Set the SLEEP bit in Cortex_PCR, and then set the PDDS bit in STM32_PCR, so that STM32 enters standby mode. Write an infinite loop to toggle the PB0 bits toggles with a certain delay. Note: LoRaWAN per sub-band duty-cycle limitation is enforced (1% in g1, 0. However, higher sampling rates can be achieved by sacrificing the high-resolution. stm32 documentation: Echo application - HAL library. 2/17/2010 Example Admittance Calculations with the Smith Chart 2/9 Jim Stiles The Univ. Right click on the watchdog init function and select go to definition. This is 9,000 counts per second, and …. Before you begin, install VisualGDB 5. source:STM8|STM32 watchdog use Both STM8 and STM32 are equipped with independent watchdogs, which are self-evident. I recently bought a STM32 Value line discovery kit to work with STM32 devices. // Define the Base address of the RTC registers (battery backed up CMOS Ram), so we can use them for config of touch screen or whatever. where K > 1, and SPS is the system's sampling rate. Example 2: Non-blocking LED Blink. AT09381: SAM D - Debugging Watchdog Timer Reset APPLICATION NOTE Introduction This application note shows how the early warning interrupt can be used to debug a WDT reset situation. Atmel-42393B-SAMD-Debugging-Watchdog-Timer-Reset_AT09381_Application Note-04/2016. I have 22 address lines and 16 data lines. The window watchdog is used to detect the occurrence of software faults. They could be: General Purpose Input Output (GPIO) Direct Memory Access (DMA) Analog to Digital Converter (ADC) Many more Timers (TIM1 to TIM14) Independent Watchdog Timer (IWDG). A command used for resetting this timer is intentionally left out in the main …. The watchdog timer watches over the operation of the system; This may …. The STM32 L0-series and newer µCs have an interesting feature: And here's an example project, periodically reading the voltage on PA0:. This course is divided into 3 parts. In this tutorial we will expand this further, we will see how to use STM32 …. You have to constantly reset it’s counter value or it will elapse and. Read and elaborate the buffer from (buffersize - NDTR) backward for the needed number of samples (modulo buffersize) Restart the ADC: according to the DS it just takes 2-3us, if you bypass the HAL. An example is that an AVR integer is 16-bits and the STM32 integer is 32-bits. While in the ADC setting, we have maximum sampling …. 2) 50MHz mode: ETH_CLK output of STM32 feeds 50MHz to XI of KSZ8081 and no REF_CLK wire used (internal connection provides ETH_REF_CLK). STM32 ADC is a pretty complex peripheral. HAL APIs are available for all peripherals. The effect is similar, though: when an ADC reading falls outside a given range, an interrupt can be generated. To prevent the system from crashing while the program was running, I added the watchdog. Watchdog یا سگ نگهبان، یک تایمر الکترونیکی یا نرم افزاری است که برای شناسایی و بازیابی نقص در میکروکنترلرها استفاده می شود. The ability to generate initialization code manually using HAL library directly is. Diese Architektur ist speziell für den Einsatz in Mikrocontrollern neu entwickelt und löst damit die bisherigen ARM7-basierten Controller weitestgehend ab. It also resets the prescaler of the WDT. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Feather STM32F405 Express ID: 4382 - ST takes flight in this Feather board. In this mode all works properly. Hitex is happy to support you with your. This course is a follow-on to my introductory YouTube course on bare metal development (URL below), and uses code developed in that course as a platform (e. All the tutorials I find are using the STM32F and some of the parameters are different or no longer present. console, command parser, timers). STM32 IWDG Testing Watch on 예제#2. When the next timer period ends, our modified value of TIMx_ARR is automatically written into the auto-reload register by the hardware, so our modified value will take effect in the next timer period. All example files can work with JX-STM32 board (1 example) JX-STM32 ARM Cortex-M3 microcontroller board l 7 1 : STM32F103BVT6 Introduction 1. the (early prototype version of) The Things Network. The STM32F01xxx has a watchdog clock, an analog watchdog, an independent watchdog, and a window watchdog. The example / adc can not be used. For many years there has been a raging debate in the embedded world about their importance. Such actions are especially important to leave the system in a safe state if, for some reason, the system's software is unable to run at all (perhaps due to chip death) after the failure. The important part, indeed, is the Project type section. I made a little library to work with it and to be compatible with HAL …. If this bit is high, set the PB1 pin of the controller. 113+1) bullseye-security; urgency=high * Sign kernel from linux 5. stm32 independent watchdog IWDG. I decided to choose the Prescalar as 8. This platform includes the STM32 Cube Library, ensuring easy portability across STM32 …. STM32 有两个看门狗,一个是独立看门狗另外一个是窗口看门狗,独立看门狗号称宠物狗,窗口看门狗号称警犬,本章我们主要分析独 …. تایمر نگهبان در میکروکنترلرها استفاده می شود تا. Low Power Sleep Mode : CPU is stopped and the active peripherals are limited and working at reduce frequency. Clementine, a NASA satellite to test sensors and spacecraft components under extended exposure to the space environment, was launched on 25 January 1994. The STM32WB microcontroller includes an independent watchdog (IWDG). This board allows users to develop and design applications. You need to confirm the clock …. The value line components have a maximum frequency of 24 MHz – other STM32 processors …. Now head to “C++ Project” under “C/C++” section and …. However, every now and then the watchdog kicks in and re-sets the board. Lập trình ESP32 FOTA nạp firmware qua mạng Internet với OTA Drive. Hardware-based watchdog timers require additional board space, . The book examples are based on the sixteen Nucleo-64 boards from ST. FIGURE 3: WINDOWED WATCHDOG TIMER WINDOW OVERFLOW AND …. Based on ultra low power design, we launched LoRa Node …. As the name watchdog suggests, it is watching the application running on the MCU. Recently I bought a number of these nice rotary encoders with a pushbutton. The WDT is similar to the Master Clear External Reset as it will hold a PIC ® MCU in reset when activated …. h" We use the WWDG as an early warning for the real watchdog, which just. Stop NetworkManager trying to talk to USB-CDC devices on Ubuntu. With more than 1200 microcontrollers, STM32 is probably the most complete ARM Cortex-M platform on the market. Two watchdog devices (independent watchdog and window watchdog) can be used to detect and resolve faults caused by software errors. An analog watchdog operates in a similar manner. That’s probably the easiest way. in WWDG it's clock source stops in stop mode. If you fail to refresh the watchdog periodically, it resets the system after. Nextion display send h0 slider value to stm32 board and will send it back to …. логику WakeUp, независимый WatchDog (IWDG), и проходя через встроенный У stm32 есть супервизор подачи питания обеспечивающий стабильный . It explains that internal watchdog timers are easy to implement, but subject to failure. Open STM32CubeIDE, start a new project, select your board (Nucleo-L476RG), and give your project a good name. When the counter decreases from a certain value to 0, the system will generate a reset. Tutorials cover everything you need to get started with STM32 development. Simple example of using independent watchdog timer (IWDG) …. All microcontrollers provide a feature called interrupts. The simple understanding of the independent watchdog is a 12-bit down counter. Most of the GPIOs on the STM32 SoC have been exposed in the external headers with silk screen labels that match the SoC’s pin names. LittleFS as implied by the name is intended to be …. The Basic Timers (BT) TIM6, TIM7, TIM14, etc (1°) are the most simple timers available in the STM32 …. Problem : I have seen no example whatsoever and an example schematic would be incredibly helpful. At the moment the watchdog timer resets the microcontroller, the reset pin remains configured as an input. You need to implement the Window. element14 is the first online community specifically for engineers. For example, RT-STM32F207ZG-NUCLEO144 is a demo based on ChibiOS/RT for STM32 Nucleo F207ZG, a Nucleo-144 equipped with STM32F207ZG and it works on this specific development kit. MDK for STM32F0, STM32G0, and STM32L0 provides software developers working with STM32 devices with a free-to-use tool suite. First is to include the header file to your program/sketch. STM32 CubeMX TutorialSTM32F407 Independent Watchdog. It’s nowhere near as powerful as the SWD interface. Renode supports a wide array of hardware platforms, covering multiple architectures, CPU families and providing various I/O capabilities. The practical application of ADC module for single-channel real-time control is well-documented in this tutorial. Clementine had performed lunar mapping for. It then goes in an endless loop, where the watchdog …. The IWDG will use whichever is enabled. It should be possible to build and run the task watchdog sample on almost any board. stm32 external flash example, Mar 30, 2016 · If we connect STM32 to the PC, we’ll see a new USB Mass storage device in our system. To connect to the STM32 during System memory boot mode, an RS232 serial interface (example, ST3232 RS232 transceiver) has to be directly linked to …. Bộ STM32 WWDG sử dụng xung clock từ bộ dao động của chương trình vậy nên nếu clock bị treo thì nó cũng sẽ không hoạt động. The independent watchdog clock is its dedicated low-speed clock (LSI), so it can keep working in time for problems with the master clock. The target script will program the DBGMCU register so that the STM32 watchdog timers are stopped when in debug mode and the STM32 lower …. I've converted an example from STM32F1Cube to Arduino sketch using the STM32 Core. Configure the watchdog timer as per your requirement. STM32では2種類のウォッチドッグタイマーが存在します。 IWDG: 独立型ウォッチドッグタイマー 先頭の I は independence の略ですね。 …. This course teaches you the hands-on skills of STM32 programming using …. Can be used in Motor Control, Digital Power and some high-voltage applications. Posted by didi71 on October 17, 2018. Now in the case of STM32F103C8 we have 10 channels, 12-Bit ADC …. 我使用STM32 (L0 5)HAL,在进入STOP模式之前需要禁用IWDG或WWDG。. This tutorial shows how to use the STM32 hardware timers via the STM32 HAL API. The STM32 pinout is a Nucleo board from STMicroelectronics. The main features for this series are : ARM Cortex-M4F core at a maximum clock rate of 168 MHz. I made a little library to work with it and to be compatible with HAL based drivers. STM32F4 Discovery Board Pinout, Features and Examples. You need to follow the below steps to reset the device using the watchdog timer. At the moment only ST's defined distros and. It has few beneficial features, including a separate 128kHz clock source, reset the microcontroller, and generates an interrupt. Multiple Reset Sources Amr Ali [email protected] Introduction to STM32 48. The WINDOW bits select the percent of time of the total interval or. 在IWDG将MCU从STOP模式复位之前,以下代码可以正常工作。. STMicroelectronics STM32 boards (netduino2, netduinoplus2, stm32vldiscovery) The STM32 chips are a family of 32-bit ARM-based …. WATCHDOGS in STM32 || IWDG and WWDG || CubeIDE ; 00:28 IWDG (Independent WatchDog) ; 08:06 WWDG (Window WatchDog) To download the code goto ; https . When your STM32 processor starts up from a reset, there are a number of possible sources for that reset. Since its clock is an independent 32-kHz low-speed internal RC oscillator (LSI), it remains active even if the main clock fails. This release adds basic support for the STMicro STM32, Cortex-M3 MCU. The input and output terminals of each power module are installed along with filter capacitors. Uart Stm32 Example Github. *PATCH] crypto: api - Fix built-in testing dependency failures @ 2021-09-13 7:12 Herbert Xu 2021-09-13 18:16 ` Eric Biggers 2021-09-17 0:26 ` " Herbert …. Dec 26, 2017 · A Simple STM32 Example Project 321 va_end (args); 322 323 …. STM32 Nucleo-64 development board with STM32WB55RG MCU, supports Arduino, ST Zio and morpho connectivity Product Description The NUCLEO …. CLRWDT instruction resets the Watchdog Timer. If you want to use them with the legacy StdPeriph library, follow this tutorial instead. The independent watchdog is used to detect and resolve malfunctions due to software failure. The response to the watchdog biting is to. To an extent, it is pretty low in cost and easy-to-use relatively. From the Project Manager view, configure the project settings: rename the application, choose STM32CubeIDE as toolchain and click on Generate code. Automated model train track controller. ADCs implemented in STM32 MCUs provide several conversion modes useful to deal with different application scenarios. Ở đây ta chỉ sử dụng ADC1 chennel 0 (PA0). Things to remember when developing a program for STM32 using STM32-Library. ADC must be enabled in: Device Drivers -> Analog Device Support -> ADC. It builds upon #5299 (generalise flash mounting code in stm32); see #3847, …. g DMA) and read the notes from other sections for example RCC and DCACHE. As mentioned earlier, we will learn to use GPIO pins of STM32 Blue Pill as digital output pins. An Analog to Digital Converter (ADC) converts a continuous signal (usually a voltage) into a series of discrete values (sequences of …. is the STM32 Independent Watchdog (IWDG) which does not reset the MCU. PDI (Process Data Interface) is the internal interface between the ESC and local processors in the EtherCAT slave, for example. The STM32 Primer is an innovative, low-cost evaluation and development package that is designed to provide a fun and easy introduction to the features of the STM32 …. X-Cube-STL is specifically designed for STM32 microcontrollers based on Arm® cores. 1 clock and 1 bidirectional data wire. WatchdogPosted by mbedded on November 9, 2017Is there recommended way to have all or most tasks inhibit the watchdog kick ? So if anyone task hangs, the watchdog will reset the system Watchdog…. com/playlist?list=PLnMKNibPkDnEEvQWrDqVuu1w_iQ214GXi Please see belo. This lecture is part of the MOOC - MOOC - STM32L4 hands-on training https://www. ADT7420: High accuracy digital I2C temperature sensor. STM32-Discovery-Test-for-Atollic that is here) this example …. Also we will see what will happen if you don't pet your watchdog within the window i. I using an STM32 (L0 5) HAL I need to disable IWDG or WWDG before entering in STOP mode. It is designed to be flexible enough to accomplish complex tasks. Both STM8 and STM32 are equipped with independent watchdogs, which are self-evident. Nguyên lý làm việc của WWDG Timer. Two watchdog devices (independent. Example code of how to use Arduino interrupts. Topics such as clock settings, interruptions and DMA behavior are also addressed. March 31, 2016 arm, stm32, timers. To "feed" this watchdog, we will just restart the timer. We divided 72MHz into 9999+1 is equal to 7200Hz. org help / color / mirror / Atom feed * [PATCH v5 0/5] STM32 Independent watchdog @ 2017-04-06 12:19 Yannick Fertre 2017-04-06 12:19 ` [PATCH v5 1/5] dt-bindings: watchdog: Document STM32 …. The code in Example 1 is an illustration for configuring the WWDT. The ChibiOS ADC driver exploits all the feature of the STM32 ADC to cover a large number of scenarios offering both blocking and non …. c Build the project and see that there are no errors. This interface is defined by the SDA and SCK pins. STM32 external voltage monitor / watchdog. MDK for STM32F0, STM32G0, and STM32L0 provides software developers working with STM32 devices with a free-to …. Also we will see what will happen if you don't pet your watchdog …. The STM32 chips are grouped into related series that are …. Of course, this code is also generated automatically. The counter of IWDG is start from 0xFFF and reset the MCU when the counter reach 0x000. Why use a watchdog variable timer. Reset function uses inside loop(). nEXT TUTORIAL: PUSH BUTTON WITH STM32 …. WDG(Watch Dog) · IWDG(Independent Watch Dog) · Window Watch Dog) · 1) Clock 확인 · - LSI가 40KHz 라는 것을 확인 할 수 있음 · 2) IWDG 설정. In this article and video I'll be reviewing the datasheet for one of their entry-level models: the STM32F030. txt contains a short description of the example. 1 The watchdog timeout is set at 18ms, which is shorter than one major control cycle. With a team of extremely dedicated and quality lecturers, stm32 freertos tutorial will not only be a place to share knowledge but also to help students get inspired to explore and discover many creative ideas from themselves. (PWM) and more complex tasks, leaving one with a few basic timers, the exact number of which depends on the MCU. The WDTCS bit selects the clock source for the WWDT. STM32 has two built-in watchdogs, providing greater security, time accuracy and flexibility. STM32 peripherals (Hardware): Hardware block for watchdog …. There are 3 Low Poer Modes available in STM32, and they are as follows. As shown in the image below, open the main. Comparison of Internal and External Watchdog Timers. A good idea is to search the entire document for the topic (e. HWDT The HWDT bit selects hardware or software mode for the watchdog timer: 0 - Watchdog is in software mode and can be enabled or disabled by the WDTEN. I have determined why the watchdog doesn't trigger reset. Phù hợp trong ứng dụng cần reset lại STM32 MCU khi MCU bị treo. Abstract: an2945 STM32 IWDG stm8s family stm32 SPI1 interrupt stm8s EEPROM EXAMPLE STM8s STM8 spi programming manual stm32 10 …. Availability Boards: ODYSSEY-STM32MP157C at Digi-Key Vendor Documentation ST Documentation: https://www. Watchdog timers (WDTs), or watchdogs, are circuits external to the processor that can detect and trigger a processor reset (and/or another event) if necessary. Here is an example of a basic - default code, which turns out to be USB HID mouse, and a guide how to transform this code to keyboard. Clear and detailed training methods. For the purposes of this example we will use the NRF52 Timer0 Peripheral to implement our software watchdog. Hello and welcome to this presentation of the STM32 independent watchdog (IWDG). This family of microcontrollers from STMicroelectronics is based on the ARM Cortex-M 32-bit processor core. by tilz0R · Published July 9, 2014 · Updated March 7, 2015. Generally speaking, a watchdog timer is kind of timer/counter that counts down from some preset value to zero. Watchdog This example shows how to make an analog watchdog using the COMP peripherals in window mode. What is a watchdog timer (WDT)?. The independent watchdog is driven by a dedicated low-speed clock LSI, and its frequency is generally between 30-60KHz, and 40KHz is usually. In this mode, the ADC performs the single conversion (single sample) of a single channel, then stops when conversion is finished. Power Voltage Detect Amr Ali [email protected] Introduction to STM32 49. The STM32 benefits from a dual advanced peripheral bus (APB) architecture, one of which is a high-speed APB (up to CPU frequency). Linux STM32MP1 Yocto Project layer. IWDG timer in STM32Fxxx device has its own clock which is independent from main system clock. Modes of Operation Amr Ali [email protected] Introduction to STM32. In previous tutorial we have seen how to use STM32 GPIO as output. The analog watchdog feature allows the application to detect whether the input voltage exceeds a user-defined high/low threshold. Simple example of using independent watchdog timer (IWDG) with Nucleo F401RE board. After reset, LED will light for a half-second. Press Ctrl+N to create a new file. Overview The Nucleo-F446RE is a board from ST's Nucleo family supporting a ARM Cortex-M4 STM32F446RE microcontroller with 128Kb of RAM and 512Kb of ROM Flash. Last, the STM32CubeMX tool offers a firmware library. A few simple example projects demonstrating how to use some core features of STM32 UART peripherals. STM32 is a microcontroller based on ARM cortex architechture. Getting back to normal operation. The clock of the independent watchdog is provided by the independent RC …. More than a few engineers feel WDTs are unnecessary; a better solution, they claim, is to write firmware that does. STM32-H107 header board provides easy way for developing and prototyping with the new STM32F107VCT6 connectivity line microcontroller STM32-H107 has JTAG port for programming and debugging, USB_OTG, user button, two status leds, and most of the GPIOs are on extension headers. In this tutorial, we will see how to use IWDG (Independent Watchdog) and WWDG (Window Watchdog) in STM32. On the good old Arduinos, there is this great tutorial over at Megunolink on how to store the value of the program counter. This code, rather conveniently, uses an 8MHz external crystal so we can almost direct-port it to the blue-pill Rust code and see how we go. From Node to Cloud 22 IoT ion Short range communication watchdog) • Available for STM32F0, STM32F1, STM32F2,. Tools that are necessary Introduction Explanations In practice Download the example ready to use for KEIL Download the example ready to use for ATOLLIC (LSI RC) which drives the independent watchdog and optionally the RTC. For example, let's set arr=7199 and PSC =9999 WatchDog. Tutorials of how to use ADC and DMA for the STM32H7. 1 Simple definition of a Microcontroller ↑. Last time we looked at using the SWD interface of an STM32 ARM chip. Cortex M0/M3/M4 System Interrupts. Support for the STM32 F0 family was contributed by Alan Carvalho de Assis in NuttX-7. If you do so, you'll see that this is a low-power Cortex M3 MCU with 64 KByte of flash memory that comes in a 64-pin LQFP package that'll operate in a temperature range between -40°C and 85°C. ADC Multiple channel STM32. If prescaler is set to IWDG_PRESCALER_64 and reload value is set to 4096 then timeout period is about 8192ms approx. The reset script will program the DBGMCU register so that the STM32 watchdog timers are stopped when in debug mode and the STM32 lower …. (The STM32 blue pill diagram is fully labeled). STM32 input capture experiment example detailed [STM32] Detailed I2C. Example (Note: There are many IDE, toolchain and library which are ready-to-use with STM32. Once launching the project, follow these steps to create the application: Create a new folder in the project's directory in the Drivers folder and name it BSP. STM32 motor control kits Vector control library Single‑shunt current sensing The STM32 motor control library supports single‑shunt current sensing,. The STM32 Nucleo-144 board does not require any separate probe, as it integrates the ST-LINK/V2-1 debugger/programmer and it comes …. This example illustrates how the watch-dog timer should not be used. To do this, we simply run the program without resetting the watchdog timer. 0-31-gcbca977ea121 - dtx_diff help text …. Configuration 탭에서 WWDG 를 아래와 같이 설정합니다. For example, we set prer The value is 4(4 It stands for 64 . Hi I’m trying to learn to use interrupts in my projects, specifically I want to be able to use sleep mode in order to make battery powered projects. It is an ARM Cortex-M4 with a 32-bit floating-point unit and with a clock frequency that, by properly configuring the internal registers, can scale up to 84 MHz, the whole with a really low current consumption (even around 9 uA). STM32 Nucleo F401RE Development Board. Total CPU load at 10 kHz sampling time is below 25 %; code size is less than 14 Kbytes. To address the above concerns, this application note provides a toolbox describing the most. STM32 peripherals (Hardware): Hardware block for watchdog. STMicroelectronics’ single. The STM32 HAL makes it a little easier to use, as there's some built-in functions that control the DMA with the ADC, specifically. This chapter contains an (incomplete) list of selected supported hardware targets - all of these include sample software binaries that run both on real hardware and in Renode. The embedded software selects the counter’s initial value and periodically restarts the timer. So my question is what am I doing wrong when I setup STM32 …. Bước 2: cấu hình IWDG trong system dựa vào công thức sau. CubeMx 에서 아래와 같이 WWDG 를 Activate 시켜줍니다. NETDEV WATCHDOG: eth0 (cpsw): transmit queue 0 timed …. Tutorial on Arduino Watchdog Timer. *PATCH 0/8] stm32 m4 remoteproc on STM32MP157c @ 2019-03-05 14:24 ` Fabien Dessenne 0 siblings, 0 replies; 50+ messages in thread From: Fabien …. But apps/examples/Kconfig is an empty file and needs to have logic added. These are split into four groups : the performance line which …. STM32 software won't toggle the HSE ready flag when HSE is configured in bypass mode (to be used with external oscillators). The STM32CubeWL MCU Package contains many software examples developed with the STM32WL Nucleo-64 board (NUCLEO-WL55JC). The watchdog timer is nothing more than a simple counter that gives a pulse when it counts up from the hardware perspective. We got our SMT32 up and running today using an emontx shield. PSoC™ 6 MCU Code Examples for ModusToolbox™ Software. STM32 Examples STM32 Nokia STM32 Watchdog STM32 PWM @ gevv | 2012/06/09 STM32 Kit (stm32 32 bit arm cortex mcu) ones will be useful for a variety of projects in the sample code with the source codes. 2020-03-18 STM32 has peripherals such as USART and UART. A Watchdog Timer is a hardware circuit that can reset the computer system in case of a software fault (for example, when the software is blocked in an infinity loop and cannot reload the timer before an elapsed time). WWDG has more bells and whistles, featuring fancy stuff like early warning interrupt. It covers the main features of this peripheral which can be used either as a watchdog to reset the device when a problem occurs, or as a free-running timer for application timeout management. Start a new project in STM32CubeIDE with C. WWDG에서 Watchdog 발생시 클리어 처리. STM32 Timer Mode LAB Preface In this LAB, we'll set up a general-purpose timer module to operate in timer mode. When the counter reaches 0, then the watchdog …. stm32/adc: Deselect VBAT after reading to prevent battery drain. Back in the CubeMX perspective, change the Timer 16 prescaler to 7999 (“8000 - 1”). running timer for application timeout management.