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Hi, I want to enable the global interrupt for TIM3 so that I can recognize when it becimes active (it raises the pin).I've added:if(htim_base->Instance==TIM3){/* Peripheral clock enable */ __HAL_RCC_TIM3_CLK_ENABLE();/* TIM2 interrupt Init */HAL_NVIC_SetPriority(TIM3_IRQn, 5, 0);HAL_NVIC_EnableIRQ(TIM3_IRQn);}this to my void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base) and can confirm that it gets executed and finally added void TIM3_IRQHandler(void){HAL_TIM_IRQHandler(&htim3);}into stm32f4xx_it.c but I still don't get a TIM3 callback in void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim). What am I missing?I can see the PWM waveform on my scope but TIM3_IRQHandler() never gets invoked

Hello, I want to evaluate a solution using a SMT32 MCU with a TFT display (MIPI-DSI) and a camera input via DCMI.With these requirements I've restricted the MCU list to these 6 families:F469/F479F769/F779L4R9/L4S9U599/U5A9U5F9/U5G9if I am correct.The issue I am facing is that I have not found a Nucleo or Discovery board that carries those MCU and the relevant MIPI-DSI + DCMI connectors/headers or just bare GPIO pins.The only ones I have found are discovery boards, much more expensive, like the STM32L4R9I-EIAC Discovery board which prices 300 $. I would also accept, at this stage, a board with an already installed LCD display, as there are many Discovery boards, but the all lack (unless I misread the specs) the DCMI pins exposed.Am I missing something obvious in the ST.COM dev kits specs or list?Or does anybody know of some breakout boards that just expose the GPIO pins, and maybe a power connector (just like this one for example, it exposes all the GPIO pins of a Raspberry compute

Zigbee is used for wireless communication with reference to Zigbee_OnOff_Router_NVM. The problem I'm currently facing is when connecting multiple routers and sending data every 2 seconds, the APP_ZIGBEE_persist_save freezes for about 30 seconds at regular intervals. What could be the cause of this?

I'm working on stm32f103 I2C peripheral. I've one stm32f103 master and another stm32f103 slave. The master should send some text to the slave, but start condition never generates. The BUSY flag is set as soon as the peripheral is enable and the program hangs on a loop that waits until start condition is generated.( i.e // Wait until start condition is generated while(!(I2C1->SR1 & I2C_SR1_S){} )   #include "stm32f10x.h" // Device header void clockConfig(void); void I2C1Init(void); void I2C1Send(uint8_t* MSG); int main(void) { clockConfig(); I2C1Init(); I2C1Send((uint8_t*)"Hello, I2C1!"); while(1) { } }   void I2C1Send(uint8_t* MSG) { // Generate start bit I2C1->CR1 |= I2C_CR1_START; // Wait until start condition is generated while(!(I2C1->SR1 & I2C_SR1_SB)){} /* the program stops here*/ // clear start condition flag uint32_t dummyRead = I2C1->SR1; // Write slave address, and master transmitter mode I2C1->DR = 0x72; // Wait until address

Hi,This may be a newbie question as I'm very new to RFID tags/readers.I used one of the example codes for ST25R3911B. I am able to read the User ID/NFC ID but it doesn't show the Card Data. I'm not sure what kind of data to expect from the card but one of the requirements that I have is to be able to read the "Card Data".May I know if ST25R3911B is capable of reading the RFID Card Data?Thank you very much for your help.

Does anyone know how to remove the tags that show in the margin to the left of the line numbers in the editor when you have a 'TODO' in a comment on the line? They inhibit my viewing of breakpoints on the line. I guess I could get rid of side comments, but it is existing code. Regards, JL   PS, are there any hints to find post labels for IDE questions?

Greetings,STM32CubeIDE newbie user here! I have the above eval board, and would like to jumper SPI-A (master) to another (different) eval board (slave),and run full duplex SPI transfers.I have played with the Example (SPI_FullDuplex_CommIT_Master), and having trouble making it work.I have so many questions but will start with a few of my most urgent. 1) In the manual for the NUCLEO eval board it says,SPI_A_SCK (PA5) is CN7 pin 10.The readme.md under the project saysCN6 pin 10I assume one of them is a typo? 2) All of the SPI example projects that I have perused, set the SPI_A interface as follows:hspi1.Init.NSS = SPI_NSS_SOFT;I assume this means that I have to use a GPIO for the SPI chip select?Why don't the examples ever use HARD_OUTPUT, is there an issue with using this mode? 3) Have tried many times to create my own projects, and failed, mostly due to me lack of experience with the CubeIDE.Can someone suggest the correct procedure (please list all the steps)

Hi ST experts.I used the pingpong sample code with the tutorial I have found in the TechForum: Link of the tutorial in order to establish the radio frequency communication between two Nucleo-WL55JC2 boards and it works.  And then I tried to communicate with the device that has this configuration It didn't work with my code, I searched for the problem and I found on the configuration of the subghz: What is the role of the baudrate prescaler value for the subghz configuration?and what changes should I make?

Dear Sir.I am trying to test for rts/cts , I use a program that transmit a 16 byte dataevery 1 ms .Tying rts or cts to gnd or 3.3v  makes no impact on the TX output.How do I insure that the code  works with RTS\CTS ? Pleas advise 

Hi community：      I'm using CANFD on stm32g431kbu6 board, but I find some issue that CANFD cant work normally with BRS ON，my config of CANFD show in the comments。Does anyone know about this？   Thanks

Hi all,I have a doubt regarding the while(1) loop in c based program for STM32MCU for both keil and STM32cubeIDE softwares.How can we get the cycle time of while(1) loop?I have program code for STM32g0 series of MCU and couldn't evaluate the cycle time of while(1) from it.Please help asap. Regards 

I am trying to modify the NRST_MODE option byte for a STM32G030 MCU.I have changed the reset pin to GPIO using the GUI, but that is not very usefull for a production environment.The option byte in not available from the CLI. -> Please make it available (very usefull for production programming)On the GUI the option is hidden away in the Registers - BETA page -> FLASHPlease make it available on the option bytes page for the STM32G030For the STM32G031 it is there in the Option Bytes -> please make it also available for the STM32G030. Also the CLI has the NRST_MODE as an option byteBeste regards, Hans.

Hello,my nucleo WL55JC1 board is not detected by cubeide when I want to run (No ST-LINK detected). The com led lights up green and with the st-info --probe command I find STM32WLEx for the dev-type. I can also update the st-link via cubeide but as soon as I close stlink upgrade and open it again the version is Unknown.I'm testing with the LoRaWan_End_node example code.Cubeide Version: 1.15.1st-info Version: v1.8.0-18-g765ebdaThanks in advance

Hello,I'm having trouble with ADC2 and ADC3 on my NUCLEO-L010RB board. I've utilized all 16 ADCs on the microcontroller, and the code is functioning correctly except for these two ADCs. I am using LPUART.In this image, I obtained a reading of 40 from all the sensors connected to ADCs, corresponding to the ASCII character "(". However, ADC2 and ADC3 consistently display the same value, even when I modify the input to any value other than 40. These two ADCs persist with this issue.This is the configuration.  

I have chosen the STM32H743 as the custom hardware chip to manage real-time applications, including displaying analog ECG data on a 1080x600 DWIN display with CTP and using a 24V thermal printer for printing. I need reference schematics for using SDRAM, Q-SPI, and the 208 LQFP package. Can I adapt the STM32H7-EVAL schematic files for our application by following the same connections? We will implement power sources as required, such as 12V, 24V, and 3.3V for the MCU..I noticed in the EVL-SCH that SDRAM, NOR flash, and SRAM are connected to D[0..31]. I'm unsure why they are connected this way, and I'm wondering if I need to use these memory components as they are not present on discovery boards (specifically NOR flash and SRAM)  

HiI see sleep/awake cmd is implemeneted in HAL fpr STM32H7only.Now I ported it myself to Stm32f446 myself successfully. However instead of while loop below, i inserted a HAL_Delay(1);H7 has a SDMMC but Stm32f446 has a SDIO.In the H/ HAL bit SDMMC_FLAG_BUSYD0END flag is checked to check when device is ready.SDMMC_FLAG_BUSYD0END is bit 20 in SDMMC status register (SDMMC_STAR)This bit how ever does not exist in SDIO status register (SDIO_STA).How can I implement this on Stm32f446 ?Its is about this while loop which i need to rewrite:Thx /* Wait that the device is ready by checking the D0 line */while ((!__HAL_MMC_GET_FLAG(hmmc, SDMMC_FLAG_BUSYD0END)) && (errorstate == HAL_MMC_ERROR_NONE)){if ((HAL_GetTick() - tickstart) >= timeout){errorstate = SDMMC_ERROR_TIMEOUT;}} /* Clear the flag corresponding to end D0 bus line */__HAL_MMC_CLEAR_FLAG(hmmc, SDMMC_FLAG_BUSYD0END);

Do you have a data sheet for this product? Has this product been discontinued? Is there a reference for alternative part numbers

Hello,I have programmed one of the advanced timers in up/down mode and I have used one of the compare units to generate a PWM signal.I would also like to generate an interrupt on compare events, but only on the falling edges.Is it possible to specify the edge directon when enabling the compare event interrupt?Or I have to distingush the edge direction only after the interrupt has been triggered on compare event, by checking the counter direction?Thank you,Carlo 

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hello.I was interested in stm32wb5MM, so I purchased the stm32wb5MM-dk board.The demo that ran when I powered on this board was very interesting as I was planning a similar project.I searched for STM32CubeWB to see the code, but the Demontrations folder was empty.How can I get the Demontrations code of stm32wb5MM-dk?

Hey,in the past we used a STM32F4 and in the new Gen I will use the a STM32U5 and there is my questen about the cryptographic firmware in the past we could use the libSTM32CryptographicV3.0.0_CM4_GCC.a but now is there also a Lib for the stm32u5? 

Hello, I'm using the nucleo-h743zi2 board.When obtaining the value of TIM2->CNT (or TIM5->CNT) through the combined channels of TIM2 or TIM5 on this board, without any special settings, I can perceive the encoder rotating in reverse as a negative value as it passes through 0. (For example, with a Counter Period set to 1000, rotating in the negative direction would result in 0, -1, -2, -3, etc.)However, when obtaining encoder values from other General Purpose Timers, it doesn't result in negative values but instead jumps to the maximum positive value. (For example, with a Counter Period set to 1000, rotating in the negative direction would result in 0, 1000, 999, 998, etc.)Is it possible to obtain negative values in this situation through settings?The difference I found between these two timers is that the counter resolution is 32-bit, whereas in other General Purpose Timers, it's 16-bit. Thank you in advance for any advice you can provide.

Hi,I use CubeMonitor V1.8.0 with my STM32G474QET device. Unfortunately the chart inside the dashboard is very small so I can`t work with it. Is there any possibility to set the size of the graph? The only thing I found is the duration in seconds, but that only changes the resolution but not the chart size itself. Thanks for any recomendations.Benedikt

Hi, All    my file system is working with the eval board of STM32U575I-EV.       However, run the same software with NUCLEO-U575ZI-Q, file system doesn't work.    I found that SDIO DETECT is changed to PD5 NUCLEO-U575ZI-Q which was  PF3 on STM32U575I-EV.    How can I change the SD card pin definiton in IOC? Thanks in advance. Best RegardsVictor

Hi,I'm working with a STM32F439ZI and want to use the PWM outputs of timer3 & timer4. I want to set a frequency of 50Hz (m_dat.fI) as an example. If I calculate it with the formula below, it results in a frequency of 100Hz instead and I'm not sure why, can someone help out?PSC is set to 27 for both timers. and PCLK1 is at 42MHzPCLK1Freq = HAL_RCC_GetPCLK1Freq(); TIM3->ARR = (uint32_t)(((double)PCLK1Freq / (double)m_dat.fI) / ((double)TIM3->PSC + 1)) - 1; TIM4->ARR = (uint32_t)(((double)PCLK1Freq / (double)m_dat.fI) / ((double)TIM4->PSC + 1)) - 1;