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How would i send apdu to multiple detected devices? I believe I should use the rfalIsoDepPollAHandleActivation() function with different DID values. I couldn't find much documentation on DID other than it's used to determine which device to activate and that it's a logical address, could you explain?

Hi all,I am working on the ST25R100 which I would like to be able to read  a NFC tag but also to be read by a Smartphone.Is it possible to do it simultaneously or at least alternatively by switching one mode to the other?If yes what could we switch modes in less than a second?Is there some example code which is doing this?Thank you,Sylvain

Hi there, I'm working on a project to dynamically write new URL record to the ST25DV dynamic tag. Record will keep getting update every few minutes. I would like to make sure that the chip can last for 5-10 years hence the question of write cycles limitI have seen similar post and come across this documentation https://www.st.com/content/ccc/resource/technical/document/application_note/group0/c9/d8/96/0e/14/f5/4e/41/DM00436563/files/DM00436563.pdf/jcr:content/translations/en.DM00436563.pdfThis seem to indicate a 1mil write cycles at 25C and 600k at 85C. My question is: Is every URL NDEF record write count as a cycle ? I'm only writing to a single area of the memory. Does this mean that once the write cycles limit is reach. All area of the memory will not work ?  Thank you for any info. 

Could anyone help me to identify  attached smd  diode? 

  Hello, we're using the EVSPIN32G4 ST evaluation board. in this evaluation Board design with two microcontrollers (stm32f103cbt6 for debugging and STSPIN32G4 for motor control). Unfortunately, the STM32f103cbt6 microcontroller has failed!! We bought a new Micro controller IC and repaired it. the board is now working. However, it does not communicate /debugging with the MCSDK and the motor pilot software! I think any software files for the default bootloader are missing. Please give me some suggestions and solutions. thanks

There is no clear information in the reference manual about port pin configuration locking one by one. For example (desired code): void SomeFunction() { // locking pin configuration one by one LL_GPIO_LockPin(GPIOA, LL_GPIO_PIN_0); LL_GPIO_LockPin(GPIOA, LL_GPIO_PIN_1); LL_GPIO_LockPin(GPIOA, LL_GPIO_PIN_2); ... }  May I lock pin's configuration one by one, not all at once (see code below)? void OtherFunction() { // locking all pins configuration at once LL_GPIO_LockPin(GPIOA, LL_GPIO_PIN_2 | LL_GPIO_PIN_1 | LL_GPIO_PIN_0); ... } 

I have written the HSM DCF client , including "HSM Enable" and "BAF wait HSM handshake". So the host will not start until HSM releases the start flag.But, if I let HSM delaying for more than 1.5s before releasing the flag of starting the Host, the Host will not start, or it will only start after the chip is abnormal reset several times, and this process lasts for more than 10 seconds. About the watchdog of BAF, I checked that SWT2 was not enabled while HSM was delaying. This is the register content of SWT2:  About the RGM_DES, after the abnormal reset, it shows 'A software destructive reset event has occurred'. I don't know the specific reason for the reset and how to solve it, please help me answer.Thanks. 

Hello, On the ST wiki for NetX Duo [ Introduction to NETXDUO - stm32mcu ], there is the following info tag:"Information - NetX requires that Zero-copy feature that is currently supported only in the STM32H7 HAL Ethernet driver. "I have run the NetXDuo example application on the STM32H563ZI eval board and it's functioning as expected. I'm trying to understand what the limitation is for running NetX Duo on the H5 vs the H7, as this comment implies that I have to upgrade to the H7 to use the feature all together. If I choose to run NetX Duo on the H5, is there a subset of features that won't work? Is zero-copy just not available?  Thanks

Bug:CubeMX codegeneration for the RCC (clock module) may lead to hardfault during clock initialization.I have a minimal example IOC (attached).This faults during RCC initialization (in SystemClock_Config), after LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL1);This happens because the peripheral domain prescalers need to be increased BEFORE switching to the faster clock (AFAICT), this would mean moving LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL1) toward the end of the function (after LL_RCC_SetAPB4Prescaler).This is right now 100% reproducible for me, but I suspect that instruction prefetching can potentially hide/sidestep the problem: If I enable -Os optimization flags, then the problem vanishes depending on how many __NOP() instructions (0-3) are inserted directly before LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL1);.Best way to reproduce the hardfault is single-instruction-stepping over this section with the debugger (that catches it every time for me).Workaround:Use HAL l

Hello, Is there any example code for the STM32H563ZI eval board that has an application using FreeRTOS-Plus-TCP? I've checked ST's Github for the STM32CubeH5. Is there a similar chip's repo that could be a good reference?Thanks

Posted on February 19, 2018 at 17:42Hi all,I've tried several time to get in contact with the ST Online Support (http://www.st.com/content/st_com/en/support/online-support.html  and then the Submit Request button)  but every time I've experienced an error into an unknow 'Serena Business Manager Log In ' it give me all time Invalid User ID or Password (note I've did the login to the ST support page with success).I've no idea how to get in contact with the support team then I'm writting here, sorry if this may be not the right place to do that.just to know if others have same trouble or not.Thanks in advance.Best RegardsFabio

Hi,Currently using the STA8100_MF_DRAW_Binary_Image_v5_9_22 firmware, could you demonstrate commands to specify the received NMEA data streams, such as $GPGSV, or commands to disable all data streams & control the output frequency? It would be great if there is any GitHub initialization code available.Thank you.

Dear friends,If I buy a Nucleo board on the ST ecommerce site, it turns out that the warehouse is located in the US, in fact the currency is expressed in dollars.Last time I made a purchase, I had the unpleasant discovery that I had to pay very expensive customs fees, in addition to the cost of shipping precisely because the shipment was coming from the US, and this was not clearly explained during the purchasing process.Considering that- ST is a French-Italian company- Nucleo boards are made in ChinaHow it is possible ST doesn't have an European warehouse where I can purchase with Euro?Question: is there any possibility to buy from an European ST official warehouse?Note: I know there are the usual distributors (Mouser, Digikey, RS, ...) but only few of them sells to private individuals and some have very expensive shipping cost. I found the board I am looking for (Nucleo-G0B1RE) on Distrelec but sign-up is now disabled due to the merger with RS, and on RS website that board is out of

I am writing an LPTIM driver without HAL or LL drivers on the B-L072Z-LRWAN1 board. I have been getting a number of odd behaviours here that I am hoping someone here can shed some light on.1) cannot enable continuous start          -bit 2 of the CR register is never set. I added a bunch of __NOP();s in between enabling the timer and setting continuous start with no success. I have also tried setting both bits together with LPTIM->CR = 0b101U; with no success.2) ISR only clears every now and then.          -using the IRQ handler function, the ISR is cleared the first time, and subsequently only clears about once every 5 times afterwards. the IRQ is being called constantly, when CNT = ARR should be true once a minute (Sysclock = MSI = 131072 Hz, PSC DIV = 128, ARR = 60963).3) other ISR flags are set          -even though i only set bit 1 (ARRMIE) in the IER register, when the IRQ handler is called, th

Hello ST Community, for the STM32H5, STM32U5 and STM32U0 series, it is already possible to use USBX without ThreadX using CubeMX. After my research, I have a few questions:Why was this limited to these STM32 series only? Are there plans to support the other series in the future?Is it possible to generate a CubeMX project for the STM32H5 with standalone USBX and simply port the USB part for STM32F7 projects?Will there be support for MTP Device USBX projects in the future?Why is it not possible to configure an MTP device project with the ST own USB stack in CubeMX and why is there not a single example for a simple MTP USB device project?Are there plans for ST's USB stack to receive safety certificates such as IEC 61508 SIL4, IEC 62304 Class C etc. similar to USBX?Thank you very much

Hi. I am working in a project which involves the use of an STM32L443 microcontroller. I am using the IAR for ARM v 9.30.1 and the CMSIS and ST drivers package (STM32CubeL4 Firmware Package V1.17.1). I am using LL drivers (HAL is not suitable for our needs). I have configured several timers to interrupt when the counter reaches the compare registers (basically, to have different timeouts to do different tasks). The problem comes when I use a LPTIMx timer. It works as expected, triggering an interruption when the counter register value matches the compare register value programmed. But sometimes, it triggers an interrupt in moments in which the counter register are not close to the compare value.In order to simplify, I create a simple project to show the problem clearer. It consists in an infinite loop which just have two timers (TIM1 and LPTIM1) running in sleep mode with compare interruptions active. The idea is to initialize the LPTIM1 compare register CMP to make LPTIM1 to interrupt

Hello, In my application USB Device, on successful enumeration, BIT13 "USB_OTG_GINTSTS_ENUMDNE"of OTG core interrupt register (OTG_GINTSTS) turns High.As per USB2.0, if my USB Device in its Device Descriptor demands for higher power than what external USB HOST can support, the enumeration fails.I want to know what will be the state (high/Low) for for BIT13 "USB_OTG_GINTSTS_ENUMDNE"of OTG core interrupt register (OTG_GINTSTS) in that condition.

Hi.  I am working with the above H750B discovery board developing a touch gui for my project.  I am still at the very early stages of design.   I have imported the project into CubeIDE  and I have started to implement the required user code for the existing screen widgets and so far all is good (everything is working as it should).  I now want to enable the boards SPI and USART peripherals as the H750B will eventually have to communicate with the projects additional MCU's (STM32411RE) via the H750B's gui. The unmodified TouchGFX STM32H750B-DK.ioc clock configuration screen is presumably set optimally via TouchGFX Generator however, adding SPI1 as a peripheral in CubeIDE generates clock issue errors.  Using the auto resolve option the result knocks the SPI1,2,3 Clock Mux and SYSCLK down to 75MHz. I assume that 75MHz is the maximum speed at which the SPI peripheral can operate?I'm wondering how to reset the SYSCLK back to it's unmodified 480MH

Hi Guys,I was planning to start a project using the STM32WB55 chipset to implement a device capable of connecting to both Zigbee and BLE devices via a dynamic concurrent mode approach. I was able to confirm that this device supports it from the thread  https://wiki.st.com/stm32mcu/wiki/Connectivity:STM32WB_Dynamic_concurrent_mode_BLE-Zigbee I'd also like to confirm if the WBA series supports this feature. Given that the WB55 is a dual-core (M4/M0+), and the WBA series is based on the M33 core, I need to verify if the WBA series can support Bluetooth Low Energy® and Zigbee dynamic concurrent mode for this project. I couldn't find anywhere specific that says it doesn't support dynamic mode and I guess WBA is a very different series compared to WB. Please share your knowledge on this.Looking forward for your response.

Hi, I went through some other discussions discussing a similar problem, but they did not seem to help. I have screen one which displays (dynamically) a container. The container has a button on it, which when clicked, changes screens to screen 2. At the same time the container needs to send data to screen 2 (an int). The button is a flex button which I set up from the GUI call a virtual function. I would prefer a way where the container is not permanently tied to screen 2, as this container appears on multiple screens and does something similar.

Good evening everyone; I was going to ask about something the size of it. If anyone has any information, I'd be happy. STMCube ide is also the LWip library tool. For MQTT connection via Ethernet. After publishing and subscribing for a certain period of time (30-40 minutes), "Out of memory error." (-1) error occurs and publishing and subscribing operations stop. How can I do that.

Hello, I am Erdem.I am an R&D engineer at Devimsel Elektronik. I will use the SPC560P processor on my own PCB board. For this I need instructions for using SPC5 studio. How do I make configurations such as pin and clock tree? Can I get an instruction sheet for this?

Hi,I have a project with STM32L010 that runs OK if started from the STM32CubeIDE with the "debug" or "run" buttons, but after power restarts, the code is not running.I have tried to short BOOT0 pin with no success, and I couldn't find a way to program the BOOT0/BOOT1 bits in STM32CubeIDE.Any help will be appreciated.Thanks,Roy

Hello,After changing from STM32F401RBT6 to STM32F401RET6, I can no longer put the chip in boot mode. All I did was to replace the chip; my understanding is that both chips are identical except memory. Does it need additional changes?Thanks for the help!

Hi happy people,Until we receive the prototype from our electronic designer, I work on the NUCLEO 144 U575IZ dev board, from IAR workbench, and via ST-LINK facilities. In this condition I can execute a minimalist shell (I send command from PC, the board execute and answer,)  on USART1 via the VCP mounted by ST-LINK. Everything works fine this way. Now I need to prepare myself to work on the real hardware. First step: I move the Nucleo from ST-LINK to Segger J-Link, by following this from the Nucleo user manual UM2861move JP6 on pins 7-8, so I power the Nucleo from USB-Cset JP1unset JP2All of this works fine, I can upload binary to the board and debug step by step from IAR Workbench, no problem. Second step: I want to get rid of the VCP mounted by ST-LINK and directly use USART1 on CN12 connector, that is I need PA9 (TX) & PA10 (RX) + a gnd on this connector and on this connector I wire a FTDI USB-RS232 cable.remove solder bridge SB32 and SB34 : no more connectio