STM32 MCUs Products

I downloaded Seeed-Studio LoRaWan-E5-Node, and all works fine till I use the MX component to set up microcontroller configuration (for example, set up LoraWAN or I2C). When I use the MX component and decide to generate code after changes to LoraWAN or I2C components, I always get many build errors. How to avoid such a situation?I work with STM32CubeIDE Version: 1.14.0. Stm32 Cube MX version 6.10.0.

I am using the Nucleo-H743ZI2 board I wanted to know, how to recover I2C after an error or a locked state which can come due to a glitch or spike on the SDA or SCL line.There is no bit I could find to reset the i2c peripheral in the control register.

Hello All !I am a Mechanical Engineer and totally new to STM32; but the assortment of attractive features on these boards tempted me to get one and start my Project. I need to interface a DAQ for IEPE Sensors. I found found one on AliExpress, similar to the TI Evaluation Board they have on public domain, the TIDA-01471 using the TI ADS127L01 ADC. The DAQ has a SPI output. PDF is attached herewith. The same has a Header of 22 pins. Pins are as;VIN12VINGND34GNDOUT-F56

Seeking guidance on implementing RTC wakeup in low-power modes for STM32 development. Any tips or code snippets would be appreciated. Thanks!    

I am use Nucleo-H563Zi test the usb host feature, I connected the USB_USER jumper to provide VBUS, and just use 2 wire usb, ignore 2 CC line. and configed in cubeide as below

Hi All,Here is the situation:Device: STM32G0B1CET6N - connected to PC with USB. USB CDC stack is running inside MCU.PC:Win10 Pro 64-bit, COM-port is recognized, Teraterm is running and both in and out data directions are working OK when the Teraterm is configured to the corresponding port.Problem: When the Teraterm is not configured to the corresponding port (i.e. disconnected), the MCU firmware does not receive USB_ISTR_CTR interrupt and TxState remains 1, so further transmission is stuck.Question: Is it possible to avoid this? (Monitor some endpoint status before sending data or other way?) Thanks a lot and Best Regards,Boris.

I'm using STM32H563, and just use USB_DM USB_DP for usb connect and without connect UCPD_CC1 UCPD_CC2， can it work for USB type-a connect and worked as host for msc storage. Thank you.

Hello guys. I am working with STM32G030 MCU for delay in millisecond HAL_Delay();is working fine.but I want to do a delay in microseconds so will you please guide how I can do this? I followed this tutorial but not getting desired result.https://controllerstech.com/create-1-microsecond-delay-stm32 MY MCU operates on 16MHZ 

 Hello, I am trying to take imu and encoder data in Stm32 and transfer it from can network via mcp2515. When I try to transfer data in the encoder, it works without any problems when I apply CANSPI_Transmit in the callback function.However, CANSPI_Transmit does not work in the callback function I defined for I2C in mpu9255, or it seems to work (as far as I can see) but no data transfer occurs. Other cards cannot consistently receive IMU data. However, if the callback function defined for the encoder works, strangely, CANSPI_Transmit, which is run on the IMU, becomes active and the imu data is transferred. I'm really confused. I would be very grateful if you could help me at this point. Encoder code:HAL_TIM_Encoder_Start_IT(&htim5, TIM_CHANNEL_ALL); // start htim5void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim) {counter = (uint32_t)__HAL_TIM_GET_COUNTER(htim);if (htim == &htim2 || htim

HELLOI am working with Xmodem  file transferring vai usb  I want to know how i get know about USB status like  Ready or not how we get in UART  while (!(HAL_UART_GetState(&huart4) == HAL_UART_STATE_READY) && wTimeout) {wTimeout--;}if (HAL_UART_GetState(&huart4) == HAL_UART_STATE_READY)break;}like this we have any things in USB i may not aware let me know  

I'm attempting to set the clock to PLL on the board mentioned and view the output on MCO2. This is some of the defines I use  #define REG_SET_BIT(reg,pos) ((reg) |= (1U << (pos))) #define REG_CLR_BIT(reg,pos) ((reg) &= ~(1U << (pos))) #define REG_READ_BIT(reg,pos) ((reg) & (1U << (pos))) #define REG_CLR_VAL(reg,clrmask,pos) ((reg) &= ~((clrmask) << (pos))) #define REG_SET_VAL(reg,val,setmask,pos) do {\ REG_CLR_VAL(reg,setmask,pos);\ ((reg) |= ((val) << (pos))); \ }while(0) #define REG_READ_VAL(reg,rdmask,pos) ((REG_READ(reg) >> (pos)) & (rdmask))  This is the code to configure MCO2   RCC->AHB1ENR |= 4; // RCC->CFGR |= RCC_CFGR_MCO2_1 | RCC_CFGR_MCO2_0; RCC->CFG

Posted on February 11, 2016 at 17:04I use STM32f103RCT6 to blinking led in pin A8 with 1 second delay, and i try to use logic analyzer to see whether it's right. However, when i setup in ''Current Logic Analyzer Signal'', i write PA.8 in it and it say ''Unknown Signal''. I was trying write everything ''PORTA.8'',''PortA.8'',''PA8'' but it always say ''Unknown Signal''. What signal' name i should write in it???

Hi,I have configured a USB virtual com port on an STM32F373 successfully.  I noticed the priority for the CDC_Receive_FS interrupt/callback seems to be set to the highest level.  I currently have a timer interrupt ( time critical event ) which cannot be delayed or interrupted by the USB interrupt.  Is it ok to set the USB priority to a lower level than my timer's priority?  My timer interrupt needs to handle a time-critical task but is very short so I'm thinking it should not interfere with the USB handling CDC_Receive_FS quickly enough to prevent a USB overflow.What is the best way to set the USB's interrupt priority lower than the timer's interrupt priority?Thank you,

dear all, my STM32H7 based project implements three DMA streams, one for a SAI peripheral, a second one for the ADCs and the third one for UART comm.static void MX_DMA_Init(void) { /* DMA controller clock enable */ __HAL_RCC_DMA1_CLK_ENABLE(); /* DMA interrupt init */ /* DMA1_Stream0_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream0_IRQn, 0, 0); HAL_NVIC_EnableIRQ(DMA1_Stream0_IRQn); /* DMA1_Stream1_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(DMA1_Stream1_IRQn); /* DMA1_Stream2_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream2_IRQn, 0, 0); HAL_NVIC_EnableIRQ(DMA1_Stream2_IRQn);}What I have noticed is that the UART interface works only when in debug mode. SAI and ADC instead work fine. Do you have any idea about

I want to use the internal RTC on the STM32U575 to maintain the date and time for an embedded application even when the main power supply is off. The VBAT pin of this chip is connected to a coin battery. However, I have observed that every time the main power is restored, the RTC resets itself and all the time and data information is cleared to default.This behavior is not desirable. The reference manual, RM0456, does not mention this issue in the RTC section. I am wondering if anyone in our community has experienced a similar situation.I have noticed discussions about a similar topic on other microcontrollers, but the solutions provided may not be applicable to the U5 chip.Thank you in advance.

Hi All,I want to use two ADCs on STM32H7 configured equal, but using one DMA each, and measuring on different channels. However it seems like the ADC3 have options ADC1 and 2 doesn't have. In this case DMA continuous request.Is this intentional? A workaround?Best regards!  

we are using the stm32f7508-dk board , we added  one function in while and timer 3 interrupt enabled  in that code .when debugging the code continuously its going to  interrupt , the code in while function executing if i add break points. i f i remove the break points its miss behaving 

I'm trying to debug a problem by which, if the EOT IRQ is enabled, an SPI slave enters an endless loop of ISR executions. I suspect it might be related with how IRQs are generated. According to the H7 user manual: The TXP interrupt is generated whenever there is space available in the TxFIFO. Does this mean that the above IRQ will fire endlessly if the Tx FIFO is never filled? In other words, if the above IRQ fires but the corresponding ISR doesn't even write to the TxFIFO, will it fire again immediately after the current ISR returns?Also, is there any problem in enabling interrupts before filling the TxFIFO?

Hello STM32 Team.I using uart1,3,6 setting for baud rate 115200,Uart3 setting is it. huart3.Instance = USART3; huart3.Init.BaudRate = 115200; huart3.Init.WordLength = UART_WORDLENGTH_8B; huart3.Init.StopBits = UART_STOPBITS_1; huart3.Init.Parity = UART_PARITY_NONE; huart3.Init.Mode = UART_MODE_TX_RX; huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart3.Init.OverSampling = UART_OVERSAMPLING_16; if (HAL_UART_Init(&huart3) != HAL_OK) { Error_Handler(); } HAL_UART_Receive_IT(&huart3,&rxd3,1); HSI using Uart is it ok,But, HSE 8Mhz crystal, broken uart message.Only difference function "void SystemClock_Config(void)"How can i fix it? [Setting HSI]Terminal Message [ok] 

How to interface Bosch BME688 sensor to stm32f446re via I2C

I tried to overclock STM32G030. I didn't need more speed and such operations should never be used in final product - only for curiosity.But it's 64MHz according to specs. I ended at 160Mhz. Room temperature, 3.3V power supplyTested with rather simple program but one acccessed RAM, FLASH and used UART to output result of quite simple calculations. At 160MHz it still worked. It felt cool to touch.What that means is that it CERTAINLY will run at 64MHz at highest or lowest allowed temperature, lowest allowed voltage and still with some margin.

Dear all,I am new to STM32 development environment. I recently purchases STM32F407G-DISC1. I also purchased mini USB cable. When I connected the board to the PC, I can see that LD1 is on (RED). I can upgrade the driver for ST-Link as well. So, I am assuming there is connection established between board and the PC. Then, I write the first piece of code as attached below to see the LED blinks. It compiles very well. However, the code is not downloaded to the board. When I click on debug, it stucks at Launching: Initializing debugger services. It does not complete the progress. Please see the attachment2. I am helpless on this and require immediate support. I really liked the board and dont want to lose the enthusisasim.Thank you. 

I have spent all day on this.  Everything looks good because I can run or debug the firmware from within STM32CubeIDE and it works as would be expected.  However, after power cycling, the code is not running.I have checked that my interrupt vector table is in the correct position.Any suggestions?

Hi @, I am trying to configure the display with the H7 series, and the connections are accurate, I've tried more than one LCD to check if the problem is in the display but there is not response from the display side. I wonder if the MIPI DSI initializing is wrong or the display initialization or LTDC configuration. The code in main.c of Core M7 is attached, the M4 is currently a small task of led blinking which is going good,