STM32 MCUs Products

Hi i am using stm32f746zg nucleo board and i want to establish communication between two CAN modules where CAN1 should transmit and CAN2 should receive the msg but its not happening dont know why ..can anyone help me with the code ..?

here is my codevoid can(void){   CAN_TxHeaderTypeDef TxHeader;   uint32_t TxMailbox;   uint8_t usr_msg[10]={'h','e','l','l','o'};      TxHeader.DLC=2;      TxHeader.RTR= CAN_RTR_DATA ;      TxHeader.IDE= CAN_ID_STD;      TxHeader.StdId= 0x65;   if(HA...

STM32F4xx I2C slave not working

I'm currently trying to setup a STM32F4DISCOVERY Board with the STM32F407VGT6 chip as a I2C slave. Somehow the controller doesn't send any ACK bit after the address was received. I've tried with the General Call function as well.Here is my initialisa...

QSPI write external flash memory STM32F746 Discovery Board

Hello, I am using STM32F746 Discovery Board and want to write and read data to external flash memory . I gone through example code from STM. There is one function called QSPI_DummyCyclesCfg, I am not able to understand it completely./* Configure Vola...

nucleo-g431kb voltage reference buffer

Hello everyone!I'm want to use the internal reference voltage buffer of the mcu stm32g431kb as input with comparator, but when i checked the reference manual they say VEREFBUF must kept disabled because no VREF+ pin in 32 pin package!!I don't want th...

stm32f103 spi communication with ad7730 random wrong number

I am communicating with ad7730 (24bit adc) using atm32f103ZCT6. I try to read one of the registers of the adc but each time I receive a random wrong figure. The strange thing is that while debugging using serial wire (STLINK) everything is perfect an...

Waiting indefinitely for an ADC conversion to complete

Hello,In my application I want to get the ADC voltage - waiting indefinitely until the operation completes.  Will this code work ?while ( HAL_ADC_PollForConversion ( & hadc1 , 1000 ) == HAL_TIMEOUT );

How do I configure MCU as an I2C slave device?

Remark : I am asking this question again, since even after trying multiple times on my own, and asking on other platforms, nobody has answered it yet. I can't figure out how am I supposed to configure as slave. So sorry for that. I am not able to del...

What "EXTI" stands for ?

Hi AllAbout EXTI :In some stm reference manual about "EXTI" i read some strange things : For example:In STM32f070 Ref. manual "EXTI" stands for " Extended Interrupt/event Controller".In STM32f407 Ref. manual "EXTI" stands for " External Interrupt/eve...

I2C communication with multiple slaves

Hi guys may I ask for your inputs on the I2C communication. I am using STM32F103C8 MCU with 2 slaves on the I2C bus. 1st slave is PCF8574 IO expander and 2nd slave is MCP4725 DAC. I'm using CubeMX to generate my codes. What I wanted to do is use ...

Hi friends I have a problem with SRAM. After a short time, the memory is cleared