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Hi there, I'm planning to integrate the VL53L4CD sensor into my custom board, which features the STM32G484CEU6 MCU. After reviewing the datasheet, I found that the sensor operates within a voltage range of 2.6-3.5V (nom 2.8V). I just wanted to double-check if it's safe to connect this sensor directly to the MCU, considering that the I2C interface of the MCU is 3.3V. Thank

Think like users, think about how to present diagnostic data that can convey useful information. Use the tools as if you were a User, test basic functionality and interaction so you KNOW it works properly.Here trying to understand interactions with an External Loader in STM32 Cube Programmer.I'm fine with one line of information, but put some actual information in that line, ie for a Read the Address and Size would be a MINIMUM.I'd use Level 3, but the method used for the Logging Window CHOKES when doing a million SMALL reads on a 32MB SPI device when verifying. What controls the size, the H7 has loads of RAM it uses on Writes?Sorry if I sound frustrated, but I've tried to use these tools for years, they aren't getting markedly better and seem to lack any Quality Assurance or any desire to address basic issues over the span of multiple years.@brk​ 

Hi，I'm using the VL53L4CX and I  find  that using the xtalk calibration still doesn't completely remove the data from the cover glass. Is there any other way to remove the near distance data?The VL53L0CX can adjust the threshold of a signal by a function, can the LV53L4CX do the same? Thanks 

I made a little proof-of-concept board for the L431, as I wanted to see what it would take to do a BGA design. I've been able to program is using the STM32CubeIDE, but the board won't boot reliably.STM32CubeIDE v1.13.1Jlink Plus Compact0.1uF Bypass caps on all power pinsNo external circuit on NRSTCode is a simple GPIO toggle, which works about 75% of the time when I power cycle.  What I've tried:Adding a 10uF cap to the VDD rail.  This reduces the percentage above, making me think there's a POR or Brownout circuit that's not working.Added the 0.1uF to the NRST pin, as recommended by the getting started doc.  No change, if anything looks worse.I've verified that the 3.3V rail is stable, and that the NRST line goes low and then goes high (as expected. When it doesn't boot, it gets stuck drawing 16mA of current from the 3.3V rail.  What else can I try to get this booting reliably?

Processor stm32mp157f, our board design similar to dk2.In my STM32CubeMX generated device tree (dunfell) I have added the following:/* USER CODE BEGIN root */soc {vrefbuf@50025000 {status = "disabled";};};/* USER CODE END root */I have my vref pin connected to vdda (for 3.3 reference voltage).  However, trying to use the libiio interface to read my ADC's libiio is disabled.  If I disconnect my vref pin from vdda and remove the disable of vrefbuf, I have libiio back.I think there must be something else in my device tree I need to set up to tell the kernel that I am using an external vref to get iio back but I don't quite know what.ADC used in the kernel, not in m4

Hi all,Installed the latest CubeIDE and re-built an existing project. Got several warnings. One of them was RWX. This could be solved by making changes to the ,ld file. Example - .ARM (READONLY)The next issues was -- > "_close is not implemented and will always fail". Don't know how to solve this warning.I believe these problems are due to latest version GCC.Another issue I noticed is - memory regions have disappeared. I have a correctly name list file but to no avail.Can someone please help me solve these issues. Please help. Thanks. NPS  

Hello everyone, I'm asking for your advice. I use STM32F429I-DISCO1 board, I want to use I2S_3(PCM3) in SLAVE mode .The <WS> signal is located in PORTA 15 pin, at the same time the same pin is connected to U4 (STMPE811QTR) as <TP_INT1> signal (output), by the way, this microcircuit has some functional significance during the firmware,because without this microcircuit the program could not be do firmware. Without anything, the voltage on this pinis approximately 1.7 v.When I give a <WS> signal from outside, THE SIGNAL DETERIORATES. By the way,I give the <WS> signal from the TXB0108 chip (Bidirectional Voltage-Level Translator with Auto-Direction Sensing).I had the same problem with I2S_2(PCM2) and the problem was solved when I physically removed the chip U8 from board.how can this problem be solved? .

Hi ,I'm trying to Perform OTA update using ST BLE ToolBox ,I have programmed my STM32WB5MMG with the OTA binary.The problem comes when starting the update process. With ST BLE Sensor there is no problem: the device is updated to the new version of the user app. However, when the operation is performed with the STM32 BLE ToolBox app (iOS), the image is sent (100%), but the OTA does not restart to install the new user app and the 100% message does not disappear from the mobile app.Andriod version of ST BLE ToolBox  is working properely and the device is updated to the new version of the user app.So ,  ST BLE ToolBox (Android version)  and  ST BLE Sensor (IOS version) are working properely .ST BLE ToolBox (IOS version) has a problem  that  the image is sent (100%), but the OTA does not restart to install the new user app and the 100% message does not disappear from the mobile app.IOS Version 17.4.1ST BLE ToolBox IOS version 1.2.6Best regards and thanks for yo

Posted on March 03, 2017 at 08:14 Hi all, I am a newbie developer for STM I am developing an application using the STM32F746 Discovery board and KEIL uVision. I need to output two pulses on GPIO that I will feed to another board. The first pulse is a simple PWM with 250kHz frequency and 60% duty cycle. This part was easy as I simply modified the examples of PWM given in DFP 2.8 using HAL library and I outputted it on TIM3 Channel 1. The tricky part is the second pulse. It should start on the falling edge of pulse 1 and out put a fixed number of pulses and then stop and start on next falling edge. The processor should never be involved in this. So I searched for solutions and found that it could be done using One Pulse mode and Repetition Counter register. Also I figured out that only TIM1 and TIM8 have repetition counter. So my question is how can I start the One Pulse Mode with N-Pulse generation using TIM3 Channel 1 falling edge as trigger? The reason I am asking is because in t

Hello everybody!Can anybody advise me on a simple way to emulate EEPROM for STM32f… MCU?Right now I need it for STM32f373C8T6 MCU.Yes I have X-CUBE-EEPROM, but there is no “STM32F” series at allYes, I have read the "AN4056 EEPROM emulation in STM32F30x/STM32F31x, STM32F37x/STM32F38x microcontrollers" and have the corresponding code. And of course, it was very useful some 10 years ago, before STM force using their HAL drivers instead of “StdPerif”. But now any attempts to use it inside native STM32Cube IDE lids to errors because of incompatibility between these two drivers.I understand how to emulate the EEPROM, but to be honest, I have no wish to do it by hand. And I wonder if nobody needs EEPROM in their projects? Or maybe is there so simple way that I can’t see it myself?So help, please! Show me the way, how to use emulated EEPROM for STM32f373C8T6 MCU (and any STM32F MCU) with HAL, or even better LL drivers?

I want to use the OV5642 camera with the STM32F7508-DK card and display the image I take from the camera on the LCD screen on the card.Is this possible? If it is possible, can you help me how to do this?

I designed a card that uses Stm32f446 and many sensors, but although the other sensor on the I2C line works, I cannot even get an I2C OK response from the LSM6SDL. I don't think there is a mistake in the design, but I am sharing it with you anyway, thank you in advance for your help. 

Hi,We have been using TouchGFX for our interfaces with a screen that has the following specifications (see datasheet extract below). We have noticed that in the graphics displayed on the screen, the length and width per pixels are not uniform. Upon further investigation, we found that the pixel pitch on our screen is also not uniform, as highlighted in the datasheet extract below.This inconsistency is particularly noticeable in circular objects. The circular object here is a perfect circle but it displays a bit squished.Is there any solution for this matter that can be resolved through device configuration settings, such as a scaling factor in the x/y directions that we can configure? or please feel free to suggest any workarounds for this issue.Thanks, 

I am starting working with STM32. I need to establish a CAN Communication Protocol of STM32F103 (a blue pill board essentially) with Texas Instrument TMS320F28234. I have already established and successfully tested the CAN Protocol at the TMS320F28234 side. Can anyone please share with me some example program for CAN Communication Protocol using STM32F103? Thanks in advance.

Hi, Can you Help me anyone?I Use the STM32H503RBT6 Nucleo Board, this is a new board, and I Tried to Connect the board with my PC using a Type C Connector But the Target is not Detect it on my PC.I updated the Stlink drivers and I checked the jumpers on the board, and that's all correct, then after I tried, it did not work, I tried to update the firmware on the board using St-Link utility software but it did not detect it.I Using Keil software the Target does not detect it, but the Board LEDs or working well PWR led Glow Properly, and COM LED glows Red color onlySTM32H5 SeriesPlease help to resolve the problem

Hello, I am recently getting back to ST discovery boards. I cannot seem to find the schematics for STMf411RE, I have only found VE that has a different layout. I am trying to bare bone control the LED Thanks

Hey All,I made my first STM32 board using STM32G0B1RE, it arrived today, since it's blank I expected the MCU to jump into bootloader and start the DFU, however this did not happen, MCU was not detected at all by the USB, I checked further and USB DP was not pulled high which was unexpected. To check if the MCU has been entered the bootloader I check the UART TX and I2C SCK pins, and they are indeed high, indicating that MCU was indeed entered the bootloader. However, MCU is again not detected by UART. Finally, I decided use another NUCLEO board as a programmer with the SWD interface, again, the MCU is not detected. I expect the SWD interface to work irrespective of bootloader. Pulling up or down the BOOT0 makes no difference. I probed the board, and everything seems normal, voltages connections etc. I have 220 ohms series resistor on the SWD interface, which is little on the high side, but I don't think that should make a difference.  It just seems like MCU ent

Hi,I'm trying to program a hex file generated with 'TrustZone disabled' software model targeting STM32H563ZIT6 (NUCLEO-h563ZI) as:"C:\Program Files\STMicroelectronics\STM32Cube\STM32CubeProgrammer\bin\STM32_Programmer_CLI.exe" -c port=SWD freq=4000 sn=040917021e8903bf00000000000000000000000097969906 -d C:/Users/WCarey/repositories/projects/keil/stm32h563zi/Release/Objects/ucomm_example.hex -gThis results in the error:So, I changed the access port to 1:"C:\Program Files\STMicroelectronics\STM32Cube\STM32CubeProgrammer\bin\STM32_Programmer_CLI.exe" -c port=SWD freq=4000 ap=1 sn=040917021e8903bf00000000000000000000000097969906 -d C:/Users/WCarey/repositories/projects/keil/stm32h563zi/Release/Objects/ucomm_example.hex -gThough the serial number is correct, there's a DEV_CONNECT_ERR. The hex has NOT been loaded properly because when I try to open up a serial monitor like Teraterm, I am unable to receive any data.Can anyone point out how to load the hex file?Thanks in advance.NOTE: I am able

I have a STM32F303 connected to a L9616 as displayed below.  The pullup resistor R3 is not present any more. Please ignore it. Vdd is 3.3V but, as can be seen, I have set Vs to 5V, believing that was necessary to make the CAN BUS work. With an oscilloscope channel connected between CAN_BUS_H and GND I can see a Tx pulse train, but STM32 HAL reports state 2 and error 43 (0x2B) after transmission. If I understood well, this means 0x20 + 0x10 + 0x1 which leads me to believe that the following three errors are occurring: #define HAL_CAN_ERROR_EWG (0x00000001U) /*!< Protocol Error Warning */#define HAL_CAN_ERROR_FOR (0x00000010U) /*!< Form error */#define HAL_CAN_ERROR_ACK (0x00000020U) /*!< Acknowledgment errorBesides that reported error, the most annoying fact is that I tried many ways to fire the Rx Callbacks on another node with similar configurations, without success. When investigating the problem I measured, on the reception node, CAN_TX at 3.3V and CAN_RX a

Hello.I have encountered an issue during the migration from STM32WB5MMG to STM32WB1MMC.When I generate the default code using CubeMX with STM32WB1MMC, no errors occur. However, when I try to transfer the code I was using with STM32WB5MMG to STM32WB1MMC, errors arise. Of course i have undergone the migration from STM32WB5MMG to STM32WB1MMC. Below, I'll outline my current situation. During compilation with IAR, I ran into an error.  Upon checking the source size via the map file, it appears as follows: After examining the RAM size, it seems that the capacity of SRAM1 is less than 12K. I believe this shouldn't cause a compilation error.What actions can I take to address this issue?     

I tried to enable RXNEIE with following code: USART2->CR1 = (USART_CR1_TE | USART_CR1_UE | USART_CR1_RE | USART_CR1_RXNEIE);  But when I checked CR1 register, it's still set to 0: gdb: x /8ub 0x40004400 0x40004400: 45 0 0 0 0 0 0 0 I checked the manual and there is no requirement for any pre-conditions before enabling the RXNEIE bit. Did I just miss something?

I am trying to build a uart implementation from scratch to learn the Stm32, but such a code implementation seems to cause my Stm32F030 to go into Reset_Handler state.What might be wrong with my code? Thanks in advance!  void uar2_rx_tx_init(void) { USART2->CR1 = (USART_CR1_TE | USART_CR1_UE | USART_CR1_RE | USART_CR1_RXNEIE | USART_CR1_TCIE | USART_CR1_TXEIE); RCC->AHBENR |= RCC_AHBENR_GPIOAEN; RCC-> APB1ENR |= UART2EN; GPIOA->MODER ^= ~(1U<<6); GPIOA->MODER |= (1U<<7); GPIOA->AFR[0] |= (1U<<12); GPIOA->AFR[0] &= ~(1U<<13); GPIOA->AFR[0] &= ~(1U<<14); GPIOA->AFR[0] &= ~(1U<<15); //USART2->CR3 |= RCC_CFGR3_USART2SW_SYSCLK; uart_set_baudrate(USART2, APB_FREQ, UART_BAUDRATE); } uint16_t uart2_read(void) { while(!(USART2->ISR & USART_CR1_RXNEIE)) { } return USART2->RDR; } static void uart_set_baudrate( USART_TypeDef *USARTx, uint32_t PeriphClk, uint32_t BaduRate) { USARTx-

Hello,I would like to use TCXO (25 MHz) for timing STM32L071. It doesn't really work for me. When I put a scope probe behind C1, a signal can be seen in the picture. (some 27 Hz). Do you know what's wrong? The power supply for TCXO is 3.3Please any idea? Thank you. 

Hi there,I am trying to extend an SDRAM(W9825G6KH-6) for my homemade board with STH32H743IIT6.According to the SDRAM datasheet:I want to set the FMC clock to 130MHz with CL=2.So the MCU clock config is as follows:and according to the SDRAM datasheet:I config the SDRAM as this:But the cubeMx presents some error about the "Write recovery time" param.My question is:1. How to calculate the FMC SDRAM params according to the SDRAM datasheet?2. What do the "SDRAM common clock" and the "SDRAM common read pipe delay" mean and how to decide their value?I am very quezz about it.Thanks for your kind help.    

Hello Team, I have connected the STM32H723ZI2 board to the PC, i could see the virtual drive connection to the PC, but when I use the embedded coder support and generate code and try to flash the board it showing No board connection to the board.