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I am using a LIS3DH and I have configured a threshold interruption and it is consuming around 3mA while the interrupt is active. I have very strict power constraints and this consumption make it unreliable.I am using the driver implemented in Zephyr and it have all configuration from the interrupt exactly as advised in the datasheet, the INTx_SRC is read after a interrupt to clear it and the interrupt is cleared, although the interrupt only is pulled down after a new sample. It is possible to be noticed in the attached file that it takes around 20 ms to put the interrupt to 0. It matches with the sampling period that is 20ms (freq 50Hz).Why does LIS3DH consumes so much power for keeping the interrupt ON? And is it right to be waiting a new sample to be able to turn down the interrupt?Is it a problem from LIS3DH or am I missing some config?Best regards

Hello all,I have a NUCLEO board (NUCLEO-F756ZG), so with STM32F756ZG.I used the DCMI interface to grab an image (external synchro , PXCL / HSYNC / VSYNC + D0....D13) from an imager component, working fine.With STM32CubeIDE, i see that data's are grabbed through DCMI register.In addition, with "HAL_DCMI_Start_DMA(&hdcmi, DCMI_MODE_SNAPSHOT (uint32_t)FRAME_BUFFER, Im_size);" and "#define FRAME_BUFFER 0x200004ac", i saw in RAM memory that there is some value written.Consistent value because when imager signal video is low satured ; value are close to '0', when imager video signal is high satured ; value are close to '1', and when imager signal in dynamic value are 'o' and '1' :)After this configuration, i want to SEE THE RAW IMAGE to be sure that grabbed image is correct !In "AN5020 -Introduction to digital camera interface (DCMI) for STM32 MCUs" from ST, some example with LCD Display ...In website or ST Forum community, some example with LCD ...But i have no more hardware and no LCD

I did pulled up pin PH3-BOOT high (3.3V). I tried simple code but it looks like it is sitting there and doing nothing. I get this error message. Most chips would have just BOOT pin one function not PH3-BOOT.Multiple errors reported.1) Failed to execute MI command:-var-create - * bError message from debugger back end:-var-create: unable to create variable object2) Unable to create variable object3) Failed to execute MI command:-data-evaluate-expression bError message from debugger back end:No symbol "b" in current context.4) Failed to execute MI command:-var-create - * bError message from debugger back end:-var-create: unable to create variable objectI do not see if I need to change anything. I wonder if it has to do anything how the chip boot up

On IAR & CubeIDEFor Sensorless configuration on a custom board.

Looking for a motor control board for test and evaluation of low voltage hub motors 48-80Vdc and 50-100A or at least something in tens of Amperes range; I have found that Matlab/Simulink suggests a combination of Nucleo-G474re Board X-NUCLEO-IHM07M1: Driver expansion board for their example model https://it.mathworks.com/help/ecoder/stmicroelectronicsstm32f4discovery/ug/stm32-parameter-estimation.html that could be a good starting point for a much smaller motor, to get parameters and to get familiar with the use of the software model together with the hardware; could someone point me toward a bigger motor control board, adequate for my motors but with the same interface toward the Nucleo board (with or without adapters like the IMH09 ) so that we can easily upscale the test bench without restarting from scratch both software and hardware? Thanks.  

There is this Android SDK (Java) for ST25 Development Kit (https://www.st.com/en/embedded-software/stsw-st25sdk001.html), but I am looking for an ST25 SDK For iOS (Swift/Objective-C) So that I can use the SDK in my Flutter Application Plugin. Back then when I asked, the answer only tells me the iOS Application Source Code, not the iOS SDK (https://community.st.com/t5/st25-nfc-rfid-tags-and-readers/st25dv-sdk-for-flutter-s-ios-swift-objective-c/m-p/587701#M9247). So then, is there any iOS ST25 SDK? Thanks before!

I'm using ADC1 in stm32f429-DISC1 board but the PA2 pin that I'm using for one of my channels is not giving the correct values compared with other pins of different channels.PA0 gives 900 as peak value whereas PA2 giving 150 for the same signal.

Is it possible to run the Matter stack on STM32WB55VGY7TR with an external 1Mbit QSPI flash and no other companion chip?

I need to use NFC07A1 to power STM32l476RG, but the PIN 4 connecting CN6 according to the instructions failed to make the MCU run. I tried to write the LD2 flicker program, but the NFC power did not make the LD2 flicker after the USB power failure. But the LD3 power indicator of my L4 was already on, so why didn't I succeed in getting the MCU wirelessly powered? According to the instructions I find that the LD3 works as long as it is successfully lit. What do I need to do to make the EH output pin power the L4 operation?

Hi @ST Community ,I struggle to configure the clock speed to the frequency I desire.The chip I am using is STM32C011F6U and the code I use as first function in main() is the following:uint16_t cr = RCC->CR;uint16_t cal = RCC->ICSCR;uint16_t cfgr = RCC->CFGR;//Reset Clock divider to 1 (full 48MHz)cr &= ~(RCC_CR_HSIDIV_0 | RCC_CR_HSIDIV_1 | RCC_CR_HSIDIV_2);cr |= (1U << 11);cr |= (1U << 12);cr |= (1U << 13);RCC->CR = cr;//Enable HSI48 ClockRCC->CR |= RCC_CR_HSION;//Wait for HSI to be readywhile((RCC->CR &= RCC_CR_HSIRDY) == 0u);//Default HSI calibration trimming valuecal &= ~RCC_ICSCR_HSITRIM;cal |= RCC_ICSCR_HSITRIM_6;RCC->ICSCR = cal;//Set APB divider to 8cfgr &= ~RCC_CFGR_PPRE;cfgr |= (RCC_CFGR_PPRE_2 | RCC_CFGR_PPRE_1);RCC->CFGR = cfgr;//Set AHB divider to 1cfgr &= ~RCC_CFGR_HPRE;RCC->CFGR = cfgr; However the above doesn't seem to have any effect and the clock frequency never change. I have also tried to

Hello everyone! Recently, I started to use the CMSIS HAL to program my Nucleo-stm32l476 board, and currently, I am working on a project using the ADC1, for the data acquisition from an LM35 temperature sensor, and I have found some problems in the configuration, I have already configured the RCC module to enable the clock for the ADC1 module and select the SYSCLK as input clock for it.Next, I wrote an initial function to configure the ADC1 module and another function to start the conversion and read the value obtained after it, but the read function return always the same value.  /* @Brief: Función de configuración del reloj del sistema MSI a una fracuencia de 40MHz usando el PLL con un multiplicador de 10 * y un divisor de 2. * * @Note: No utilizar un multiplicador por encima de 10, esto evita que la función SystemCoreClockUpdate() pueda ser ejecutada, * aún no estoy seguro de la causa, espero resolverlo en pruebas posteriores. * * @PAram: None * @Return: N

<Question>Could not find SMBus parameter setting MENU when I2C as a SMBus 2-wire mode.

Hi Folks,I'm trying to build a LVGL project and I'm running into a problem that I can't resolve. I get 25 errors all saying the same thing - "stm32f7xx.h" - no such file or directory.Here are my include settings::Here's the first of the 25 errors:C:/Users/Richard/iCloudDrive/ABC_Consulting/Controls/Kcompany_7000/Disco/HAL_Driver/Inc/stm32f7xx_hal_def.h:46:10: fatal error: stm32f7xx.h: No such file or directory46 | #include "stm32f7xx.h"In my file stm32f7xx_hal_def.h:/* Includes ------------------------------------------------------------------*/#include "stm32f7xx.h"#include "Legacy/stm32_hal_legacy.h"#include <stdio.h>What can I change to get the code to compile?Thanks,Richard 

Hello to everyone  I have to check a bulk ID Exist a specials page or link to do that? 

I am finding that I cannot run the debugger on this example application and that after programming I must reset the device for it to start working. I get "Target is not responding..." and am using the P-NUCLEO-WB55. This problem is unique to only the BLE_FreeRTOSHeartRate project from the firmware package.Furthermore, I was wondering if anyone knows if you can use CubeMX with this example or if you should not. Thanks

Ask this at arm.com, but maybe it is STM32U5 specific:I try run an unprivileged application in secure mode and get a strange behavior:STM32U5 has TZ enabled, all application runs in secure mode.1) LR = 0xffff_fff9, CONTROL = 1 => BX LR increments the SP, but all registers become 0 (including PC and XPSR!)2) When setting CONTROL = 1 and executing SVC, SP is decremented correctly, but nothing is stored on the stack?I check all errata I could find, but no hint.If TZ is disabled, the system behaves normal.

I’m working  STM32H735G-DK, I tried to synchronize the ADC with timmer1, I want to synchronize it at 500 kHz but the maximum that I get is 250 kHz.  This are the images for clock configuration, ADC1 and Tim1, a GPIO is set in 1 when get into on the HAL_ADC_conCpltCallback function is the yellow waveform.

Hi, I'm using stm32l432kb and I want to use the internal reference voltage Vrefint as reference voltage for the AD converter. Is this possible?Regards

Hello,I tried to enable in the CubeMX section PB2 as calibration output, but it was not working.The fix is to add a couple of lines after the RTC init:... /** Enable Calibration */ LL_RTC_CAL_SetOutputFreq(RTC, LL_RTC_CALIB_OUTPUT_512HZ); //<-- will not work, registers are write protected! /* USER CODE BEGIN RTC_Init 2 */ /* Disable the write protection for RTC registers */ LL_RTC_DisableWriteProtection(RTC); LL_RTC_CAL_SetOutputFreq(RTC, LL_RTC_CALIB_OUTPUT_512HZ); LL_RTC_EnableOutRemap(RTC); //<- to enable output on PB2 /* Enable the write protection for RTC registers */ LL_RTC_EnableWriteProtection(RTC); /* USER CODE END RTC_Init 2 */

How to enable ADC Oversampling and Averaging in STM32L152RC

I read Getting started with the X-CUBE-NFC3 near field communication transceiverand I have some questions about the program that runs in the article, how can I successfully get the interface in the demo, is there a more detailed tutorial? 

Hello,I read the AN5122 which explains in chapter 4.2, that the RAM lane byte 0 must be connected to byte 0 of the MP1 and that the bits swapping is not possible. However on the EV1 board, the bits inside byte 0 lane are swapped. Furthermore, i do not know how to identify byte 0 at the ram chip, since i want to use two of them.For the design I am working on, I need 1GB DDR3L RAM, split in two 512MB RAM chips. In the AN I found this picture:I'd like to place the two chips next to each other, using STM32MP1's Byte 2 / Byte 0 for chip 1 and Byte 1 / Byte 3 for chip 2. Is this possible to do?Thanks

Hello,I am trying to figure out how I can change the grey highlighting color to make the dark theme usable. I could not find it in the settings yet.Have attached a picture as reference. Would be thankful for any hints.

Dear experts. ​we plan to use a STM32MP157, where the A7 core should have 512MB DDR RAM, and theM4 core 16 MB. What options exists, to give the M4 core that 16 MB of RAM?From the DS, i understand that the DDR RAM of the A7 is not accessible for the M4. Is that right?external QSPI PSRAM, would be low cost and low pin count. From the DS, the QSPI interface is only for Flash, not for PSRAM?external SRAM/SDRAM via the FMC? Could the M4 core occupy the FMC, while the A7 core using DDR?external SPI RAM, would be the slowest variant, but should be always possible.Is there an application note, showing how more then a MB RAM is added to the M4 core in an STM32MP15x?Best regards,Michael

I recently purchased an L4R9 Discovery board with an MB1314 round LCD.Under STM32Cube_FW_I.4_V1.17.2 / Projects / 32L4R9Discovery / Examples / DSI / DSI_CmdMode_SingleBuffer, there is a reference to a 24bpp frame buffer. The comment cryptically states:/* Physical frame buffer for background and foreground layers *//* 390*390 pixels with 24bpp - 20% (with GFXMMU) */20% is not explained. Furthermore, the sample code goes on to draw a bitmap from a header file into the buffer:/*Draw image in GFXMMU (Chome-GRC) Virtual buffer*/CopyInVirtualBuffer((uint32_t *)image_390x390_rgb888, (uint32_t *)LAYER_ADDRESS, 0, 0, 390, 390);But the data in "image_390x390_rgb888" isn't actually just RGB data. If you look at the header file containing the data, it's formatted into blocks (horizontal lines?) and each line cryptically begins with an undocumented byte - at a glance, it appears to be always 0 or 1.So my questions are:1. What is 20% referring to?2. What is the extra byte in the RGB data of the head