Solved

Hello all, This is my first post on here, if I am in error at any point please direct me to any relevant posting guidelines. I am developing a sender-receiver solution involving two STM32H753 microcontrollers, both on ST's NUCLEO-STM32H753 boards. I am using USART3 to transmit and receive one byte using DMA. The sender receives one byte (for example 'S') and the receiver receives one byte, checks whether it matches 'S', and if it does, it toggles the yellow on-board LED. If it does not match, it toggles the green on-board LED. This check is being done in the HAL_UART_RxCpltCallback() function. I am facing an issue where the first time the HAL_UART_RxCpltCallback triggers after the receiver is reset, it toggles the green LED once (meaning that the received byte did not match with the expected data), and then continuously toggles the yellow LED (meaning that the received byte does match the expected data, this is the desired behaviour). When I went to debug the receiver, I

I want to use TouchGFX Designer in a Project for which no .ioc file exists, but generating code in the Designer fails because of the missing .ioc file.Is it possible to work around this? If I need to use a dummy .ioc file, which settings are relevant for the Designer?

I'm using a coloured box as a background for some dynamic text. I would like the background to match the width of the text when it changes.I can change the width of the box to match the text width, but the box's fill colour will not fill to match the new box width.This is the code I'm using.memset(&textValueBuffer, 0, sizeof(textValueBuffer)); Unicode::fromUTF8((const uint8_t*)it->second.data(), textValueBuffer, it->second.length()); textValue.resizeToCurrentText(); textValue.invalidate(); box1.setWidth(textValue.getWidth()); box1.invalidate(); Is this possible in TouchGFX?

Hi, I'm already aware of the application note from https://www.st.com/resource/en/application_note/an5354-getting-started-with-the-stm32h7-series-mcu-16bit-adc-stmicroelectronics.pdf but as it does not cover STM32H72*-MCUs, I have to afraid I need to ask it here. I have configured some ADC-stuff for 16 bit data sampling in CubeMX but now get incredible large offsets, even when the ADC-pins are connected to GND directly. That offset is in range 2000..4000 and very instable, means floating about the full range (I except it not to be a noise-problem as for testign the pin is pulled to GND directly). What I have configured in CubeMX: VREFBUF-mode to internal voltage reference Trimming Mode: factory trimming Internal voltage reference scale: SCALE2 (around 1.8V as I expect input voltages in range 0..1,8V) The ADC's are used without oversampling, asynchronous clock-mode, divided by 4. The clock to the ADC's is at 64 MHz (may be too high?) ADC is running in independent mode, no cont

Hi all,I am looking for an advice to how-to sync the back-end signal and the toggle button.For example toggle button by default is OFF, Signal output Low.Clicked button, the button state = ON, Signal output High.View still display the button is ON.Due to some error condition, the signal output is turned off to Low.  The View still show button is ON.  How can I turn the toggle button to OFF in View in this case?Thank you 

how to properly connect multiple L9963E in daisy chain? already tried many mode and tweak. follow the design in datasheet, for transformer isolated and capacitive, but still unable to init. for the first chip, I use SPI. init the first chip is correct, but for the upper L9963E always failed. the mcu I use SPC582B signal seems good, but the ISO transceiver of the chip unable to read.   maybe there any member here thats already succesfully connect the daisy chain ISO

recently i want to control the SWD function manually by external pin level, in F1 HAL library,there are some defintions to configure this,like above, after call __HAL_AFIO_REMAP_SWJ_DISABLE(),when i connect MCU by jlink debugger，it fails， so it means this definition effect，but after call __HAL_AFIO_REMAP_SWJ_NOJTAG(),debugger still cannot connect the mcu,I try some time,then i find, when enable SWD,I must call __HAL_AFIO_REMAP_SWJ_ENABLE(),why this. i have test on stm32f103c8t6 and stm32f103vet6,both show the same result, thanks.brief:why i must call __HAL_AFIO_REMAP_SWJ_ENABLE() not only __HAL_AFIO_REMAP_SWJ_NOJTAG() after i disable SWD

Greetings I have weird situation with AEK-COM-ISOSPI1 and cannot figure out what is wrong. Maybe someone here is experienced with this device and can help me out. I have absolute encoder with SPI. When i connect directly to uC all is working fine. Then i tried to use AEK-COM-ISOSPI1 and have next problem: I can readout the encoder data just with command read, so i generate just clock to start readout from encoder. This works fine, because on encoder side i get correct data 0x9F45. These data are transferred back to uC but here i get messy data from AEK-COM-ISOSPI1. I get data 0x5F61. When i look the SPI signals with logic analyzer i can see that MISO is not sync with CLK cycle. And encoder is always on the same position.  Can anyone help me and tell what im doing wrong here.   My configuration is. Encoder side:NSLAVE=1TxAMP=1TXEN=1ISOfreq=1BNE=1DIS=0SPICLKFREQ=22kohm (8MHz) Microcontroller side:NSLAVE=0TxAMP=1TXEN=1ISOfreq=1BNE=/DIS=0SPICLKFREQ=/ Best regards Frank

hello... I am using custom board with STM32F103C8T6 with Semtech LoRa module SX1262 for LoRaWAN architecture. Facing lot of issues like files missing. We are using the files from Github link 

CubeMX and STM32CubeIDE will generate a .ioc file associated with the configuration of the MCU to be programmed. For a modest project with few connections, adding the GPIO and their labels is normal, but when there are 130+ signals this become a tedious and error prone task.We need a way to import data into CubeMX. @st_it team: please add a function to CubeMX/STM32CubeIDE to import a list of GPIO, pin, port, config, etc into the configuration of the MCU which is being used.Alternately/in the meantime: you could also publish the full specification of the file and its fields, so we can modify it with some scripts.Thank you in advance.

Split from this thread. Hi, I am glad that you have been successful with dumping the extMem_boot to the STM32H750B-DK. I am trying to do the same thing, would you please be so kind and let me know, how did you do that within the CubeIDE ? Any info is much appreciated. Best,  Miha PS sorry for my ignorance, if this is written withing the FW files.

 Hello,I’m working with an ST NFC tag (e.g., ST25DV) and noticed that when I add an NDEF record using the ST25 mobile apps, the system automatically adds a 4-byte Capability Container (CC) to the NDEF message record.My question is:Is there a way to append or extend the CC to 8 bytes instead of the default 4 bytes when adding an NDEF record?  

I'm trying to find a working spice model for the ST LM358. The one on the site gives an output of -12KV for a small sine wave when powered from ± 12VAnd the "contact us" email doesn't work.

Hi ST Community.I am using an STM32H725IGK MCU on a custom board. My board has a uSD card slot connected to the SDIO pins, and I am using SDMMC1 peripheral. I am also using FatFS to use a filesystem on the uSD card.I can operate the SD card properly most of the time. I can mount, format, create files and folders, and read and write to files. However, sometimes, some operations fail. Normally, it's either f_write or f_lseek. They fail at the low-level disk_read() operation. I do not understand why.I will share my system configuration:- Clock MUX:- SDMMC Parameters:The clock divide factor of 2 gives 32 MHz. I also tried setting the clock to 16 MHz and 8 MHz, but the problem persists.- SDMMC GPIO settings:I also adjusted the output speed of the pins to guarantee the signal integrity is good, but the issue remains.- FatFS defines:- FatFS Advanced Settings:My system also utilizes FreeRTOS, and I use semaphores to ensure that only one task accesses the SD card at a time. I have the FS_REENTR

Hello, I am developing a custom board with the STSPIN32G4 microcontroller.I would like to have more information about the integrated buck converter, as the documentation lacks details.What is the maximum allowed peak current? Output curent 12V :  Best regards.

Hello, I'm in the process of designing an edge computer using a MP2 processor. Due to the shortage of LPDDR4 memories, I'd like to use LPDDR4X memories. Can I use this type of DRAM for MP2 series processors? Or do you have any alternative part that I could consider for my design? Thanks in advance,Daniel

Hi everyone,I have a question regarding SFI Option Bytes for the STM32H753ZI (Nucleo-H753ZI).Question:Which option bytes should I pick, since there are a lot of different combinations available: 1. Generated by TrustedPackageCreator: FLASH_OPTSR_PRG,0x17DEBBF0 FLASH_PRAR_PRG1,0x0000000F FLASH_PRAR_PRG2,0x0000000F FLASH_SCAR_PRG1,0x81000200 FLASH_SCAR_PRG2,0x81000200 FLASH_WPSN_PRG1,0xFFFFFFFF FLASH_WPSN_PRG2,0xFFFFFFFF FLASH_BOOT7_PRG,0x08002400 RESERVED,0x24000810 2. STM32CubeExpansion_RSSe_V1.1.0\Option_Bytes_Template\STM32H7\OB_H742_H743_H753_H750_v3.1.0.csv: FLASH_OPTSR_PRG,0x17DEBBF0 FLASH_PRAR_PRG1,0x0000000F FLASH_PRAR_PRG2,0x0000000F FLASH_SCAR_PRG1,0x81000200 FLASH_SCAR_PRG2,0x81000200 FLASH_WPSN_PRG1,0xFFFFFFFF FLASH_WPSN_PRG2,0xFFFFFFFF FLASH_BOOT7_PRG,0x1FF00800 RESERVED,0x1FF00800 3. x-cube-sfi-v1-5-0\STM32CubeExpansion_SFI_v1.5.0\Projects\NUCLEO-H753ZI\Applications\SFI\OEM_SecureRoom\OptionBytes\ob.csv: FOPTSR_PRG,0x13DEAAF8 FPRAR_P

Hi Dear friends, I am trying to configure H750 to transfer data between internal SRAM and external SDRAM, I got everything setup OK but with some problems (also monitor data bus with logic analyzer). So I checked with ChatGPT, surprisingly, ChatGPT said H750 (actually it said the same thing about H74x)  does not officially support memory-to-memory transfer, ChatGPR said use MDMA instead. Before I jump into MDMA, just want to make sure what ChatGPT said is true? Thanks.  

Hi ST Team,1. I have followed the steps mentioned in  link to build the yocto for stm32mp25-eval machine and can successfully flash the eMMC tsv file .2. Started to explore on creating a custom machine configuration file and custom layer in the yocto( openstlinux-6.6-yocto-scarthgap-mpu-v24.11.06 distribution package.),and build the package using the steps mentioned below.CUSTOM LAYER AND MACHINE CREATION STEPS==========================================1) I have created a layer outside meta-st , because I wanted to create a custom layer without disturbing the actual openst yocto layersi) bitbake-layers create-layer layers/<custom_layer_name>ii) bitbake-layers add-layer layers/<custom_layer_name>iii) mkdir conf/machineiv) cp layers/meta-st/meta-st-stm32mp/conf/machine/stm32mp25-eval.conf nameof_custom_machine.confv) DISTRO=openstlinux-weston MACHINE=nameof_custom_machine source layers/meta-st/scripts/envsetup.shvi) Due to layer dependency issue , added the dependent laye

Dear STMicroelectronics Community members,I am currently evaluating STM32 microcontrollers for a project that requires strong cryptographic capabilities. Our goal is to implement hybrid encryption, meaning we need hardware support for both symmetric encryption (e.g., AES, DES/3DES) and asymmetric encryption (e.g., RSA, ECC, public key cryptography), along with hashing functions (SHA-1, SHA-2, SHA-3 if available).Specifically, I would like to request:A list of STM32 families and part numbers that include dedicated hardware accelerators for:Symmetric ciphers (AES, DES/TDES)Asymmetric ciphers (RSA, ECC, or other public key accelerators)Hash functions (SHA-1, SHA-224, SHA-256, SHA-3, etc.)Hardware Random Number Generator (TRNG)Clarification on which STM32 series provide a comprehensive cryptographic hardware suite suitable for hybrid encryption schemes (combining symmetric + asymmetric algorithms).Recommendations on the most suitable STM32

Split from this thread. Hello @mƎALLEm ,   Thanks for the updates. What is Bypass mode? Can you please provide guidance for this?   Thanks & Regards, Jignesh Karena  

Hello members, Until recently, I was using a G473. There, I ran code from the ccmram. That worked without any problems. Now I have switched to the H533. For performance reasons, I want to run the code in SRAM1 0x20000000 - 0x2001FFF. I want to keep the data in SRAM2. MEMORY { RAM (xrw) : ORIGIN = 0x20020000, LENGTH = 80K /*Ram placed SRAM2 with ECC-Check*/ FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 256K CCMRAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K /*SRAM1 for code */ } For example, the function: __attribute__((section(“.ccmram”))) void EXTI0_IRQHandler(); is located in the map file at the correct address: .text.EXTI0_IRQHandler0x0000000020000300 0x28 ./Hal/Interface/Interrupts.o0x0000000020000300 EXTI0_IRQHandler The code is copied to SRAM1 in the startup file. However, when I call the function, a hard fault is generated.The PC points to the address: 0x20000302The CFSR register contains: 0x01000000, whichcorresponds to UFSR[8] and means unaligned access. This would match the pc ad

Hello,I’m working with the ST25R3911 NFC reader IC in a battery-powered application where ultra-low power consumption is critical.Is it allowed to completely switch off VDD_IO while VDD is still supplied (e.g., when the device is in Wake-Up mode)?Will the interrupt pin still work in Wake-Up mode if VDD is present but VDD_IO is off?I noticed that even when VDD is off, if VDD_IO is connected, there seems to be additional leakage current. Could you clarify the expected current paths in such cases?Is there any recommended sequence for powering up/down VDD and VDD_IO to avoid unwanted currents or undefined states?Can VDD_IO be powered directly from a microcontroller GPIO pin (to save power by enabling it only when needed)? What is the typical consumption of VDD_IO in idle conditions?

Hello Team, For STM32H7S7L8H6 part we are planning to use below oscillator in our design. Request you to confirm which parts are more compatible with STM32H7S7L8H6.1) DSC6101ML3B-025.00002) DSC1101CI5-025.0000 Thanks & Regards,Jignesh Karena

Hello Together,I would like to try out the STM32CubeMonitor-RF (V2.15.0) with the NUCLEO-WBA55CG board. I downloaded the stm32cubewba mcu package (V1.7.0) and flashed the .bin file from the BLE_TransparentMode example to the board with the STMCubeProgrammer (V2.20.0)(start address: 0x08000000).When starting the STM32CubeMonitor-RF, however, the message "Device under Test not responding" appears. I then loaded the project with the STM IDE (V1.19.0) and selected the BLE_TransparentMode project for my board via the Example Selector when creating a new STM32 project.The same error message appears on the RF Monitor. Do I have to integrate the BLE stack separately?Where can I find the BLE stack?I have noticed that the loaded project structure in the IDE differs from the one from the ST Wiki for the transparent mode. The file "ll_sys_hclk_client.c" and the two libraries "LinkLayer_BLE_Full_lib.a" and "stm32wba_ble_stack_full.a" are missing in the middleware. Thanks for the