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I use a ST25DV on my board, which communicates through I2C to a uC and through NFC with a smartphone, app developped with Flutter for Android and iOS. Everything works correctly, but sometimes, when I'm writing from Smartphone to ST25DV EEPROM and the tag is lost, the RF communications is disabled; my app (but also native ST25 app) is not able to detect tag, I must restart my device to see it back to work. During this condition, the I2C bus works correctly and also if I re-initialize the ST25DV, the RF remains blocked. Is there a way to understand why and/or a turnaround to solve the problem?

How to put ST25R3916 in high power transfer mode without communication with NFC tag. for wireless charging?Is amplitude measurement method good for checking the FOD?Does Having tunable capacitor in hardware design and not using those function can create antenna detuning issues?How to make sure that the antenna is best matched with enclosure and targeted NFC tag?

Hi ST experts,Would like to check if STM's MPU able to support Window CE 6 or Linux platform?Thank you

I'm new to the stm32MCU. I am using a Nucleo-U575zi-Q board. I am trying to read ADC values by setting the built-in DAC. I have check my DAC out and it is working fine. My ADC reading is giving me garbage values. I have set HAL_PWREx_EnableVddA() also.My ADC config hadc1.Instance = ADC1; hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1; hadc1.Init.Resolution = ADC_RESOLUTION_14B; hadc1.Init.GainCompensation = 0; hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE; hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV; hadc1.Init.LowPowerAutoWait = DISABLE; hadc1.Init.ContinuousConvMode = ENABLE; hadc1.Init.NbrOfConversion = 3; hadc1.Init.DiscontinuousConvMode = DISABLE; hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START; hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; hadc1.Init.DMAContinuousRequests = DISABLE; hadc1.Init.TriggerFrequencyMode = ADC_TRIGGER_FREQ_HIGH; hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;&nbs

Hi!Problem: The board boots correctly into the Linux kernel, but the kernel is unable to mount the rootfs.We designed a custom board using stm32mp157f. It is based on the DK2 with some differences:PLL Base clock 48Mhz (instead of 24MHz)Other power supply than the pmic (with a fixed power regulators)eMMC on board (not used)Therefore changes to the tf-a and u-boot (dts) had to be made.The changes were applied on copies of the dts files for stm32mp157f-dk2.u-boot sees mmc0:STM32MP> mmc info Device: STM32 SD/MMC Manufacturer ID: 9f OEM: 5449 Name: SDCIT Bus Speed: 50000000 Mode: SD High Speed (50MHz) Rd Block Len: 512 SD version 3.0 High Capacity: Yes Capacity: 15 GiB Bus Width: 4-bit Erase Group Size: 512 Bytesand is able to load the kernel and initrd:bootcmd_nexio boot_syslinux_conf extlinux/nexio_extlinux_6.conf switch to partitions #0, OK mmc0 is current device Scanning mmc 0:4... Found /extlinux/nexio_extlinux_6.conf Retrieving file: /extlinux/nexio_extlinux_6.conf 334 bytes read

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I am working with a NUCLEO_l452RE, temperature 25°C, 1.8V, and I am measuring current on JP6, so I tried to reproduce: I set up MSI@1Mhz, I got 280uA, much more than 100uA which I was expecting.Later with MSI@24Mhz, I got 3.24 mA, 135uA/MHz, closer to 100uA.I disable UART, RCC, LED, disconnect the USB port, and used an external power supply.There is a bias in current consumption about 180uA? there is something I can do to mitigate it?On en.fistm324l.pdf I found another number of current consumption, I am very confused about what to expect. 

SWAP_BANK for the STM32L552 is a bit in the eeprom, but we want to swap the flash banks in an own bootloader dynamically and do not want to expire the eeprom's lifetime,Any option to swap the memory without eeprom settings?

Hello,I have a question regarding several timers which are confiugred in PWM input mode (CCR1 is used to measure the PWM period and CCR2 is used to measure the PWM Width). So far when I plug a user signal on the evalution board, I can see the correct values captured in both registers. When I switch off the user signal, I see that the CCR1/2 registers are holding the last captured value, even if nothing is connected to this pin. I was expecting to read a 0 once I disconnect the user signal in order to perform a reset of the registers.Is there a way to take advantage of the internal status registers (SR) or Event generation registers ( e.g. CC1IF) in order to poll flags to check if new updates have occured? I would like to avoid to use additional compare registers e.g. CCR3 or CCR4 and create unnecessary interrupt overhead. Moreover, this pattern is only applicable on advanced timer, not on basic timers which only have two compare registers CCR1 and CCR2.I was thinking in case internal r

Hi,In a matter of days, I'll have to port a user bootloader from STM32F303 to a STM32G473 mcu.The question is about the Dual Bank feature of G473: since Dual Bank is active by default (DBANK=1), I'd prefer to NOT switch to Single Bank (as it is necessary to use specific Segger Flash Loaders).So, keeping dual bank active, in my scenario:the bootloader takes the first 16 kBytes of Bank1the user application takes the last 112 kBytes of Bank1 and the whole Bank2I studied a bit the Flash_WriteProtection demo and the EraseInitStruct can be initialized to perform erase on bank1 or bank2.EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES; EraseInitStruct.Banks = FLASH_BANK_1; // or FLASH_BANK_2 EraseInitStruct.Page = StartPage; EraseInitStruct.NbPages = EndPage - StartPage + 1;   if (HAL_FLASHEx_Erase(&EraseInitStruct, &PageError) != HAL_OK)The write API implementation seems to not care about which bank to write as it takes in only the destination address.My doubt is about the

This is probably the stupidest question asked here but, i want to be absolutely sure.It's TouchGFX only for smt32 microcontroller? or can i use TouchGFX with a Esp32 for instance?. And, there is a way to develop a desktop aplication with tochGFX, can i develop an app for running on a Raspberry Pi?. tanks so much.

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Is it possible to configure 1 or more timers to divide incomming pulses on a pin by a factor (for example 8) and send out the result on another pin?Like this:That way I would not need to implement the counter in software.

Hi,I am using LoRa-E5 mini board from seeed studio (https://www.seeedstudio.com/LoRa-E5-mini-STM32WLE5JC-p-4869.html)To program it using STM32CubeIDE, do we need to connect it to pc using ST-Link or we can simply program it via Type C cable?

HiI have an STM32F769 Discovery board (STM32F769I-DISCO) with STLink onboard.STLink works fine but if I try to run my STM32 application STLink reports the MCU is not detected:========Target no device foundError in initializing ST-LINK device.Reason: No device found on target.====I was able to run only the first time... after that the STM32F7 never responded.I have an other discovery board (same type) which reports the same issue (STLink doesn't detect the MCU)Could you help?Thanks

I'm new in embeded programming. and now I'm trying to test UART with NUCLEO-F103RB. I installed STM32CubeMX 6.6.1 and TrueSTUDIO 9.3.0. I created using CubeMx and compiled with TrueStudio, but failed.. there are many undeclared(first use in this function) and unkown type.Is there any bug in TrueSTUDIO 9.3.0 or CubeMX 6.6.1? How can I remove these errors?

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HIMy STM32WB55 is configured as central and peripheral role.For debugging, Is it possible to establish an internal connection between them?Running two tasks to handle each app.Cheers!

Which template should I choose for my board with STM32H745BIT6 with 800x480 resolution?I checked the templates and there was no template available for STM32H745I think TouchGFX is generic and is not dependent on the controller but can you please point me to correct template to choose as per my controller? ThanksAnuj

Hello,using: STM32CubeIDE 1.10.1 on Windows 10I have not used the debugger for a week or so, I didn't do any updates (okay, Win 10 probably has, managed by company...), but all of a sudden when I want to start a debug session, this message pops up:st link server is required to launch the debug sessionWhy's that?Edit: I am an absolute beginner when it comes to STM debugging tools.Because I always worked on many different platforms, I mostly rely on LEDs and UARTs for debugging...

Hi,I have a problem with a motherboard from a Dell Venue 11 Pro 5130 (T06g001), I think the bios was corrupted during an update. In order to reflash the chip, I first need to identify it. I found a chip that seems to be an EEPROM labeled on the first line with 393 and on the second ST GZ421 (it's the chip from the image bellow). Thank you very much for your help.----------------

Hello,I am a newbie in struct.I have a struct declaration below.typedef struct __serial_data { uint8_t frameStart; uint32_t data; } serial_data;   serial_data mydata[25];but frameStart is allocated 32bit in memory and this causes trouble when sending through UART.Initialize the struct.for(uint16_t cntr = 0; cntr < 25; cntr++) { mydata[cntr].frameStart = 0xAA; mydata[cntr].data = cntr + 1; }Memory watch Send to UART Memory location Is there any way to send data like:AA, 01, 00, 00, 00, AA, 02, 00, 00, 00, AA, 03, 00, 00, 00, AA, 04, 00, 00, 00, ......Where:AA = frame start (8bits)01 = data (32bits)Or the only way to do it is to make a separate array and arrange it accordingly and manually?

It seems so easy, but I get no signal to the pin PA4. I use STM32f103VCT, any Idea ?int main(void){ /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration--------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init(); /* USER CODE BEGIN Init */ /* USER CODE END Init */ /* Configure the system clock */ SystemClock_Config(); /* USER CODE BEGIN SysInit */ /* USER CODE END SysInit */ /* Initialize all configured peripherals */ MX_GPIO_Init(); MX_DAC_Init(); /* USER CODE BEGIN 2 */    HAL_DAC_Start(&hdac, DAC_CHANNEL_1);    HAL_DAC_SetValue(&hdac, DAC_CHANNEL_1,DAC_ALIGN_12B_R, 3000); /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) {   /* USER CODE END WHILE */   /* USER CODE BEGIN 3 */

I noticed that CubeMx (version 6.6.1 and earlier) when generating the code, may place the MX_DMA_Init() function after other ***_init functions that configure DMA registers. The problem is that those registers cannot be accessed 'before' enabling the DMA clock. For example here is a snippet of erroneous code: MX_ADC1_Init(); MX_ADC3_Init(); MX_I2C2_Init(); MX_I2C3_Init(); MX_SPI1_Init(); MX_SPI2_Init(); MX_DMA_Init();In the example above the ADC1 and ADC3 peripheral use the DMA mode, but the DMA is not initialized yet. In attachment there is the whole main.c file containing the above snippet.A possible workaround could be to impose the clock initialization before any other initialization: /* USER CODE BEGIN SysInit */ /* Workaround for a CubeMx bug */ __HAL_RCC_DMA2_CLK_ENABLE(); /* USER CODE END SysInit */

I am reading data from a magnetic field sensor and storing it in a variable of type float. But what concerns is that I can't see the negative measurements on the debug window. When I store it in a int16_t variable the negative measurements show up. How could I watch the negative float values as well ?