Questions tagged [stm32cubemx]

Anything related to the STM32CubeMX. It is a program to ease developers' life by reducing development efforts, time and cost. STM32Cube covers the STM32 portfolio.

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1answer
910 views

stm32 which timer and DMA channel should I use?

I am trying to control two lines of digital LEDs (WS2812b) with my STM32F103 using Timers with DMA and PWM. LED strips data lines are connected to PB5 and ...
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0answers
388 views

Shutdown mode on stm32 consuming a lot of power

I am testing the demo code given in the directory STM32Cube\Repository\STM32Cube_FW_L4_V1.14.0\Projects\NUCLEO-L476RG\Examples\PWR for CubeMX. I am testing the code PWR_ModesSelection and am recording ...
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0answers
47 views

CubeMX doesn't create bluenrg_utils.c

In case someone already stumbled upon this issue I'd be glad about every advice. So I have an STM32 that is connected to a BlueNRG-MS and I set everything up using the CubeMX. There I select the ...
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1answer
568 views

How to debug a program using FTDI in STM32CubeIDE?

I want to debug a test project for my board the STM32F103C minimum systemboard, sometimes called the bluepill, I use linux so i downloaded the original STM32CubeIDE as .sh execute it and downloaded ...
0
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1answer
598 views

STM32F103 SPI Pinout Problem

I am currently working on a project with LoRaWAN technology using STM32F103C8T6 microcontroller. For LoRa I am using SPI in Full-Duplex Master mode (spi1 specifically) and in CubeIDE when you activate ...
1
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1answer
42 views

Changing clock speed of STM32F779II

I'm configuring the clock of the LCD which has a max clock of 30MHz as following. Plus I'm using the touch at I2C1, and USB at 48MHz. The clearing and painting an image to the LCD is slow, and it's ...
4
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2answers
6k views

FreeRTOS on STM32 - What API should be used: CMSIS-RTOS API (v1 or v2) or FreeRTOS API? [closed]

According to ST's user manual UM1722 "Developing wireless applications on STM32Cube with RTOS" there are two APIs available: Generic CMSIS-RTOS API (v1 or v2) FreeRTOS API The CMSIS-RTOS API ...
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1answer
482 views

Do I really need to learn how to use registers - Programming a microcontroller? [closed]

I have a curious question. Do I really need to learn how to use registers when I program a microcontroller? I have been using Arduino for a long time. I quit using Arduino and starting to use STM32 ...
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0answers
159 views

STM32 HSE clock is affected by LTDC_DE signal?

My STM32F429 project works fine before I added the LTDC module generated by CubeMx. After I added LTDC, the FMC interface began to lost data occasionally which was good before. I thought it may be ...
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1answer
84 views

Interfacing SD card with STM32F44

I'm using STM32F44VET6 controller(using cubemx code configurator), I need to interface a 64GB SD card,and this controller has SDIO pheripheral also But I'm confused how to choose interface type SPI ...
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1answer
331 views

Where does STM32CubeMX generate AF GPIO initialization?

i was wondering where does CubeMX (when you export it to an IDE such as Atollic) generate GPIO initialization for alternate functions such as Timer capture pins, UART pin ect. (we are talking about ...
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1answer
164 views

STM32CubeMX not showing the resolution in ADC

I am trying to use ADC in stm32f103 micro-controller. I use STM32CubeMX to configure the ADC. Based on the videos I gave seen on YouTube, I must be able to configure the resolution of the ADC (8, 12 ...
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2answers
356 views

How to upgrade StdPeriph drivers for STM32F103 project [closed]

I have an old project which is built on using "StdPeriph drivers" for STM32F103 MCU and Keil environment. It uses various drivers for gpio, adc, can, dac, dma, i2c, spi, tim, uart etc. As these ...
0
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3answers
137 views

STM32F7 NVIC INQUIRY

I'm trying to connect the NVIC interrupt to handle a keyboard, nonetheless I'm having troubles becuase two keys are connected to the line0, which use the EXTI0_IRQHandler, I saw in the stm official ...
0
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1answer
356 views

SMBus is always busy after HAL_SMBUS_Master_Transmit_IT()

I'm using PMM240 power management board to control battery RRC-2054, and I have problem to use SMBus, please see the code I listed below, looks device is ready, but when you send something, it is ...
0
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1answer
62 views

stm32cubeMX difference between Gpio_output and Gpio_input [closed]

I will use L476RG to connect with a battery power board, battery board will use two Gpio ports to ONLY send out info, such as battery is full, battery is in charge, and so on, now the question is, in ...
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0answers
45 views

How to solve STM32CubeMX keil error?

I have installed keil v5 and installed STM32 package. When I start the STM32 project and add the Software components Here is the directory
3
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1answer
1k views

STM32CubeIDE HAL_Delay not working

I am trying to toggle the GPIO port 8 with: ...
3
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1answer
3k views

Cube IDE : Error: unknown type name 'HAL_StatusTypeDef'

I am taking code from a stm32f0 series and trying to convert it to a stm32l4 series dev kit. I have already changed the necessary addresses and include files that I needed to migrate, but I keep on ...
0
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1answer
192 views

Basic timer that doesn't work STM32L4

I'm trying to use timer2 in STM32L475 but it doesn't start firing the interrupt at all. I would like to configure the timer for a minute. ...
1
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1answer
841 views

Configuring STM32 timer as frequency counter

I am trying to configuring one of the timer inputs on a STM32 to behave as a frequency counter for an external signal. The STM32 datasheet describes a "input capture mode" in section 17.3.6 (page 342) ...
1
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1answer
154 views

RCC clock freq in STM32F103

If I select internal clock source to run my TIM3 in TM32F103 (TIMxCLK from RCC) as shown in the attached picture: CK_INT Then how to find out what is the freq of this clock? I am using External ...
2
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1answer
2k views

single or multiple interrupt handlers in stm32

I am coming from 8-bit world to 32-bit world specifically stm32f103. At present I am only doing study and discussion with my fellows to know the major differences in the two worlds and also to select ...
-1
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1answer
462 views

STLink USB communication error when no board is connected

I'm new to using the ST-LINK, and I'm trying to isolate a connection problem, by checking if the ST-Link itself is working well with my computer. I connected the ST-LINK V2 by itself to a Windows 10 ...
0
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2answers
756 views

How to choose UART maximum output speed?

When I open up a project in STM32CubeMX and configure a UART, there's a Maximum output speed configuration (under GPIO Settings) that defaults to Very High. The options are: Low Medium High Very High ...
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3answers
345 views

Questions on STM32 multiple GPIO names

I started designing the development board for STM32F427VIT6 of LQFP100 package. Its has multiple USART and UART pins. The USART names in the datasheets are USART1, USART2, USART3, UART4, UART5, ...
0
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1answer
63 views

stm32f407 isn't flashing

I'm having problems when I try to update programs in my STM32F407 discovery. It was working well until I tried to use the PA13 pin as an input in my program. I tried to update the program, it didn't ...
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1answer
88 views

Finding ADC pins from Init code

I am trying to figure out the GPIO Pins that are used for ADC input looking at the following ADC Initialization code for STM32L476RG. ...
1
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1answer
1k views

how to enable FPU in cubemx

For STM32F407 Discovery board how do I enable its FPU from CubeMX? The following instruction is used in handwritten code. How can I get it generated from CubeMX? // Enable FPU SCB->CPACR |= ...
1
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1answer
613 views
4
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3answers
1k views

How to debug current consumption with STM32 Nucleo board?

I'm trying to configure an STM32L011-Nucleo developement board to consume about 600 uA of current or so. It uses an STM32L011K4. The datasheet states that this should be possible if I drive the MCU ...
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1answer
138 views

Can I use the same serial1 port to communicate with two modules?

My MCU is STM32L432KC, it has two serial ports 1 and 2. But I’m wondering if I can use the same serial port1 only to communicate with two modules (not on the same Tx & Rx pins but 4 different pins ...
-1
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1answer
463 views

How to handle configuration changes to the project with STM32CubeMX

Just starting to use STM32CubeMX and Atollic TrueSTUDIO to code for STM32L011. One thing I noticed is that if I made any changes to the project configuration in STM32CubeMX - they will automatically ...
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2answers
620 views

STM32F4 Fewer Pin Mapping possibilities for ADC inputs

For STM32F405 100pin package, its datasheet page 39 and ref. manual page 388 as well as CubeMX shows that there are 3 ADCs each share 16-channels as shown in following images. Although it is not ...
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0answers
189 views

STM32F4: loss of SPI communication when enabling interrupts

I'm trying to communicate with a device via SPI (a radio transceiver, to be more specific) and I want to use external interrupts in order to wake the processor up from sleep mode when a message ...
0
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2answers
164 views

STM32F405 Setting Clock Freq Less than Max 168 MHz

For STM32F405 the max system clock frequency is 168 MHz. I want to run it at marginally lower frequency only for the sake of safety and reliability because my application will run non-stop through out ...
-1
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1answer
593 views

STM32F405 code compatibility with STM32F407

I have to do a project which will be based on STM32F405VG (100 Pin) but I don't have that MCU at the moment. Instead I have STM32F4-Discovery board which has STM32F407VG (100 Pin) on board. All the ...
0
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2answers
687 views

Using Character Match functionality in a STM32F7 chip

I'm trying to implement a UART receiver that works by finding a '\0' in the datastream, OR when it receives 256 characters at which point the data should be processed by an interrupt. The point is to ...
0
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1answer
258 views

Stm32L4 microcontroller doesn't wakeup from shutdown

I'm using Mbed coding on STM32L432KC nucleo board. I'm copying the code from the STM32 cube code examples to put my MCU in shutdown. See here. The code compiles fine. I just added an LED blink inside ...
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0answers
1k views

STM32CubeMX for UART example

I am trying to run the example given in CubeMX document UM1718, Tutorial 4 - Example of UART communications with an STM32L053xx Nucleo board.. page 230. I wonder what is the purpose of using TIM2 in ...
0
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1answer
795 views

STM32CubeMX HAL vs CMSIS

If I generate code using STM32CubeMX then which files are related to CMSIS and which files are related to HAL? My toolchain is Atollic TrueSTUDIO.
0
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1answer
576 views

Problem with STM32CubeMX

I downloaded the new STM32CubeMX (with the 'fancy' but quite annoying GUI). When I make a project (using some GPIO's, timers), I create the code (for System Workbench for STM/AC6/SW4STM Eclipse). And ...
0
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1answer
172 views

CubeMX HAL Libraries state or stateless [closed]

I wonder if the STM32F4 CubeMX peripheral HAL libraries saves the internal state of the peripherals OR if they are stateless? I am concerned about this because I want to know the possibility and ...
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1answer
101 views

STM32 GUI for Timers [closed]

The CubeMX for STM32 MCUs gives an easy graphical interface to configure the Clock tree. I wonder if there is similar GUI tool for configuring the peripherals specially the advance timers TIMER 1 and ...
0
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0answers
1k views

STM32F4 CubeMX SysTick timer rate

I am using CubeMX to generate initialization code for STM32F407 MCU. I wonder where can i see the SysTick timer rate in CubeMX or its generated code? I am using 8 MHz external crystal and set SYSCLK ...
3
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2answers
430 views

Multiple(five) alarm time setting in stm32f0 mcu

I am working on my hobbyist project and need to develop the alarm timings. And RTC and Timer are new for me and I am confused in RTC Alarm time setting. I need to make alarm with RTC for five ...
0
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1answer
236 views

strange RFM95 SPI behaviour with STM32L4 [closed]

I am using CubeMX and HAL to program an STM32L4. I am trying to communicate with RFM96 module using SPI, but I am getting nonsensical results. According to the RFM96 datasheet, in order to read a ...
0
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1answer
80 views

stm32 uart issue serial monitor vs logic analyzer

I am writing data serial monitor via hal_uart_transmit and it works fine, but when I monitor same serial bit pattern in logic analyzer I see extra two bits have the logic high state, why is that? for ...
0
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1answer
436 views

Why do people say STM32Cubemx is full of bugs? [closed]

I have worked with stm32cubemx for 2 years now, and I have found on forums people have mentioned that stm32cubemx is full of bugs? Why is that?
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1answer
2k views

How to write data to end of line of existing file (STM32CubeMX FATFS SDIO issue)?

I have successfully coded write data into a CSV file is an SD card using STM32 CubeMS FATFS SDIO interface 1-bit mode. But I can't find the file append function in HAL FATFS driver to write data to ...