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Dear forum,I have a simple application using an STM32L4 and the analog COMP2 interrupt to blink a PWM LED. The device also uses USB virtual COM port capabilities for a simple terminal with a few commands. Everything works as expected.Now, I want the device to enter a low power consumption state after some idle time. The device must wake up through the same COMP2 interrupt I'm using to blink the LED. A full system reset is acceptable too.I'm successfully putting the device into stop mode, and it seems the wake-up interrupt is working as well. However, the problem is that after waking up, the device encounters a hard fault. I've tried everything, but the stack appears to be corrupted. Even NVIC_SystemReset() is not working.I'm pasting the important parts of my code here. Any help or ideas would be welcome. /* USER CODE BEGIN Header */ /** ***

Hi, I bought ST25RU3993-HPEV and In the tag authentication menu I want to use 29167-10 as CSI and there is a field with 'keyID' parameter. I want to know what is the key which this ID is assigned to. you know, the key in the tag and the the reader must be same for encryption and decryption. I want to know the 128-bit key used for this cryptographic suite indicator.And one more thing, according to the ISO/IEC 29167-10 standard, there are MAM and IAM functions, but in the GUI I can only select between TAM1 & 2. how can I use these features with this reader?Thanks.

  Hello, I am working with the SensorTile.box PRO and trying to connect it to a Raspberry Pi 4B over USB.On plugging the board into the Pi, it is detected in lsusb as:     Bus 001 Device 003: ID 0483:5744 STMicroelectronics Sensortile.box_PRO_Multi_Sensor_Streaming However, Linux does not create a serial device such as /dev/ttyACM0 or /dev/ttyUSB0.This means I cannot access the device over a standard serial interface (e.g., minicom, screen, or pyserial).   Additional observations: I attempted to communicate with the device using PyUSB on the Raspberry Pi. The device enumerates with an IN endpoint (0x81)

在使用 STM32CubeMX 进行项目配置时，我只启用和配置了与 SPI 外设相关的功能，而没有激活任何 I2S 功能。生成代码后，我选择使用低层 （LL） 库进行 SPI 驱动程序开发。但是，在项目编译过程中发生了链接器错误。 经过调查，确定了根本原因：意法半导体提供的LL库源文件 不是纯SPI驱动程序，而是复合SPI/I2S驱动程序模块。该文件包含SPI和I2S功能的函数实现。其中，某些I2S函数（例如某些初始化或时钟配置函数）调用依赖于中的实现的特定函数，其中之一是。stm32g4xx_ll_spi.cstm32g4xx_ll_rcc.cLL_RCC_GetI2SClockFreq 由于我的项目从未配置或使用 I2S，因此 STM32CubeMX 的构建系统在生成项目时不包含包含函数实现的代码模块 。但是，由于该 文件是完整编译的，因此其中的 I2S 代码需要链接到该函数，最终导致链接器报告错误——缺少符号。LL_RCC_GetI2SClockFreqstm32g4xx_ll_spi.cLL_RCC_GetI2SClockFreq 目前，我采用了一种临时解决方法：在 CubeMX 自动生成的设备头文件中，我注释掉了用于控制 I2S 功能编译的宏定义：stm32g474xx.h c // #define SPI_I2S_SUPPORT /*!< I2S support */

hi:I have two NUCLEO-H563ZI EVB boards  and tried to implement I3C controller and target feature.When ENTDAA was issued, I obtained the target 48-bit provisioned ID "0x020813810100" from waveform, I saw the description from I3C register  I3C_EPIDR ,it said" Bits[31:16] of the provisioned ID can be 0" but I got the actual value is "0x1381",so where is this value stored?In addition, it seems that the target can issue a 48 bit provided ID without software operation , is this sending process entirely completed by MCU hardware？

Dear Experts, I cannot access the battery models from About:Energy with ST. I clicked Download model from Autodevkit Studio but the link said 404 page not found with the link: https://www.aboutenergy.io/stmicroelectronics-model-download. I also access the link provided by @Max VIZZINI with the post "Update quick start guide for BMS boards and examples version 2.6.1" slide number 10 but the link and result is the same (page not found). Is there any update about the link? I also attached the error picture for your information. 

I'm trying to run a Debug launch configuration in STM32CubeIDE but I'm getting an error:Console: Open On-Chip Debugger 0.12.0+dev-00623-g0ba753ca7 (2025-04-30-14:20) [https://github.com/STMicroelectronics/OpenOCD]Licensed under GNU GPL v2For bug reports, readhttp://openocd.org/doc/doxygen/bugs.htmlInfo : Listening on port 6666 for tcl connectionsInfo : Listening on port 4444 for telnet connectionsInfo : STLINK V2J46S7 (API v2) VID:PID 0483:3748Info : Target voltage: 2.716832Error: init mode failed (unable to connect to the target)Error message of STM

I attempted to download CubeProg from the official ST website, but I encountered the following message and was unable to proceed:"We apologize for the inconvenience, but in accordance with the European Union's Export Regulation 2021/821, the US Export Administration Regulations (EAR), and other relevant rules and regulations, ST is not authorized to allow the download of this software from your country."It appears that the download is restricted in my country(S.Korea) due to export control regulations.This situation is quite surprising.Does it mean I should consider using a different chip instead?regards, 

Hi Everyone,I’m working with a custom 24-bit display on an STM32H757XIH6 MCU.I’ve configured the LTDC with pixel format ARGB8888.When I test with solid fill colors, everything displays perfectly.However, when I try to display an image using TouchGFX Designer, the output appears as repeated, tiled, and shifted blocks instead of the correct image.I’ve attached a photo of the display for reference.Has anyone faced this issue before, or could guide me on how to resolve it please  ?

Hi all,I’m debugging an SPP (RFCOMM) reconnection issue between an STM32F767ZI and a Microchip RN4678 module talking over UART (921600 bps, RTS/CTS).On first pairing/connection, data flows from STM32→Mac as expected. After disconnecting and reconnecting, the Mac can open /dev/cu.RN****, but no data arrives. Running sudo pkill bluetooth on macOS immediately makes data flow again on the next connection. I’d like to avoid any workaround that needs root privileges (e.g., blueutil, killing bluetoothd).EnvironmentmacOS: [version, e.g., 14.5 Sonoma / 13.x Ventura] on [Mac model / Apple Silicon or Intel]Python: [version]RN4678 firmware: [version if known]UART: 921600 bps, RTS/CTS enabledProfile: Bluetooth SPP (RFCOMM)What happensPair and connect

Hello, I use the ST67W611M1 module in station mode with activated DHCP client. For a generic configuration of my software I want to use the Wifi_GetHostAddr() function to acquire the IP for a given host name. The problem is, that the DHCP client only uses the third DNS Server provided by the Wifi APs DHCP server (see attached picture). The first and second one are always 208.67.222.222 and 8.8.8.8 no matter what I configure. And the DHCP must offer at least three DNS servers. Otherwise the last one would be 0.0.0.0. Sure, I could just setup three DNS servers, but this is a very ugly solution. W6X_WIFI_DHCP is 1. W6X_WIFI_DNS_MANUAL is 0. I tried two different DHCP servers. Is this a firmware bug of the ST67W611M1? Has anyone the same problem? Kind regards Jannis

Hello , I am trying to use a text detection model on STM32N6 . This is a CNN modelThe command used is : stedgeai generate --model custom_model.onnx --target stm32n6 --st-neural-art default@user_neuralart_STM32N6570-DK.json --input-data-type float32The error I get is : INTERNAL ERROR: Order of dimensions of input cannot be interpretedThe model is using the following operators :ConvReluBatchNormalizationMaxPoolConcatResizeIt was using Transpose operator  , but I removed it from the modelCould you provide the possible reasons behind the error.Regards,Sandeep

Hello there : )This may be resolved but I cannot find the answer in either Segger's or ST's forum.I have set up a fresh target (NUCLEO-G491RE) via ST-LINK with expected result.When I move SRAM1 -> address 0 it is changed in the memory view.Now, with a J-LINK it never changes, (not after refreshing the memory view either). I have changed the OB to initially put the main FLASH at address 0 (BOOT0 pin will not be valid later).As ST-LINK connects this is confirmed as SYSCFG.MEMRMP is 0x1, and changes to 0x3 correctly.The J-LINK does however starts with 0x0 and changes to 0x3 as expected.In both cases the SYSCFG.CFGR1 changes from 0x0 to 0x7C... before so the RCC does it's work. Any ideas?BTW, the J-LINK Console log does not mention about any of this, no script are involved. 

Hi I am using Marvell Ethernet Phy(mv88q2220) in our project,i have integrated my Marvell driver into SDK and it is probing as well, we are using sxgmac driver for mac, while i am trying to initialize the eth0 interface i am facing issues related to validation of phy and phy is not able to attach.I have checked the phy-mode also it is configured correctly. I am attaching the error  logs also, Can anyone suggest what could the potential cause of this issue ? Error Logs: root@sadk:~# ifconfig eth0 192.168.10.1 upSIOCSIFFLAGS: Invalid argumentSIOCSIFFLAGS: Invalid argument Dmesg Logs: [   55.096204] sxgmac 16cc8000.ethernet eth0: validation of  with support 00000000,00000000,00006000 and advertisement 00000000,00000000,00000000 failed: -EINVAL[   55.096449] sxgmac 16cc8000.ethernet eth0: __stmmac_open: Cannot attach to PHY (err

Hello,I am working with the STM32H7S78-DK board and I want to toggle the LEDs LD1 (PO1) and LD2 (PO5).I followed the instructions from this GitHub resource:https://github.com/ST-TOMAS-Workshop/stm32h7s_workshop/blob/main/1_external_memory/handson/1_extmem_intro.md and this YouTube video:https://www.youtube.com/watch?v=sPiFBzvCWfI&t=945s However, when I try to flash my program into the development board, I get this error:

Hello,I have a STM32U575 and a 2.3" TFT with ILI9341, i use TouchGFX, thats works fine, after my GPDMA1 is correctly configured. (I Hope my GPMDA1 is correctly configured, and it's not a problem with the Transmitting DMA)Now i have 3 Screens, (Red, Green, Blue) but i have the problem, the colors on my display was wrong."Red = Magenta","Green=Green","Blue=Black"The TFT is a RGB565, the Driver uses RGB565, the TFT is in the 16-Bit mode, and my SPI on 8-Bit mode.How must i change, to show the correct colors on my display?I found a thread in this forum, but there is no solution, only a hint "swap the bytes it's a problem between 16 bit display and 8 bit SPI...."..my code i use is attached. Thanks daniel

I try to connect by usb cable via stm32cubeprogrammer to new board but windows not see any st-link interface. older st-link v2 work fine but this on boad interfave not work. Com's led light on green and red colour. led 5VLD12 on green display work - whats wrong ?

Hello,               My name is G. Sai Deepak. In our railway project, we are using the STM32G4A1VET6 microcontroller. This is how we have designed and connected the microcontroller in the schematic. I kindly request you to review the schematic and let me know if any changes are required Thanking You,G.SAI DEEPAK

Dear TeamHow can I implement Zoo models on the STM32N657-DK board? 

I want to upgrade the WB05N chip on my custom board.I downloaded X-CUBE-WB05N v2.0.0 and programmed the chip with BLE_TransparentMode_SPI_with_Updater.hex (I am using SPI on my board).I selected the Verify and Run after programming options. The download verified successfully, but when I call hci_reset() I get a timeout.Additionally, when I compare the BLE_TransparentMode_SPI_with_Updater.hex file with the image read back from the module, there are differences.With version 1.0.0 everything works fine (image comparison is identical).Do you have any ideas what might be wrong?

Hello, I am using my custom-developed STM32H7 PCB with an 800*480 TFT display connected via 24bpp RGB. Currently, I am only using external SDRAM (IS42S32800J) for the frame buffer, while my QSPI flash is inactive. For the configuration settings, I based them on the STM32H743I-EVAL board, which I also used as a template.In the attachment, I shared the color difference issue. Does anyone have suggestions regarding this? Because when viewed with the naked eye, there is a noticeable difference between the tones I designed in TouchGFX and the colors displayed on the screen. Could this be related to the ARGB888 format? Where might I be making a mistake? I have checked all the RGB pins in hardware, and they are all active and working. The comparative example in the image shows a color tone comparison made with the output taken from the STM32H735 DK.

Hello everyone,Newbie to the whole stm environment here but am trying to learn. I'm developing on the NUCLEO-WL55JC1.I've been trying to create a dual core communication design using IPCC. I started with loading the "IPCC_HalfDuplexMode_DualCore" example available in the STM32CubeWL firmware package -- which worked just fine. Moving forward, I created a new project using CubeMX from the IOC file in the example so I could develop further using that as a base. However, I keep getting this error:'IPCC_C2_RX_C2_TX_IRQn' undeclared (first use in this function); did you mean 'IPCC_C1_TX_IRQn'? stm32wlxx_hal_msp.c /DualCoreComm_LVL1_CM0PLUS/Core/Src line 92 C/C++ ProblemThe problem originates in the "stm32wlxx_hal_msp.c" file in the "HAL_IPCC_MspInit" and "...DeInit" functions at the "HAL_NVIC_SetPriority()" and "...DisableIRQ" function calls. Of course, the first th

Hello,How do I determine the power rating for Vcc input to STIB1560DM2T-LZ.Regards,PiPPiP

I'm using MOSFET STW3N170 in an H-Bridge configuration along with TI’s gate driver UCC21330. During testing, observed an issue with the switching speed as the test is for high dv/dt Observed Behavior: Rise time ≈ 5 µs Fall time ≈ 5 µs Test Conditions: Gate resistance: 2.2 Ω Gate driver isolated pulse rise time: ~30 ns Expectation: As per the STW3N170 datasheet, the rise and fall times are specified in the nanosecond range, but the MOSFET switching is significantly slower. This slower rise/fall is limiting dv/dt performance, wh

Dear Sir,I reviewed UM1748 User Manual for EVALSTPM34, EVALSTPM33, EVALSTPM32 evaluation board.Below is described in the contents.===========================1.3 Recommended readingsThis document describes how to use and set up a basic test session with a GUI interface. Additional informationis available in the following documents:• STPM3x datasheet• AN4470• UM1719• EVALSTPM32 schematics• EVALSTPM33 schematics• EVALSTPM34 schematics ============================But I can not find 3 x schematics above.How can I find EVALSTPM32 schematics, EVALSTPM33 schematics, and EVALSTPM34 schematics.Many thanks KJ Choi