STM32 MCUs Products

QSPI issue

I am using STM32F746 controller and MX25L128 flash on a custom board.I want to make external flash loader file for my custom board.I followed the MOOC - External QSPI loader how toI got error while memcmp for (var = 0; var < SECTORS_COUNT; var++) { ...

STM32F1xxx shortages

We moved to STM after being let down by Freescale and TI in terms of sourcing. We are now finding massive MCU shortages and lead times > 30 weeks. Even despite this, we just found out that apparently STM is not taking additional orders.It is frustr...

WAKEUP from STANDBY mode and EXTI/NVIC IRQs

Hi all,I'm learning about low power modes , and I'm testing the RTC wakeup timer function.Datasheet talks about to set the IRQs for WakeUp timer on EXTI(IRQ 19) and NVIC(IRQ 3), but I tested in my code, with and without set these IRQs and the wakeup ...

I already have the board.

hello , im using adc-dac combination where i want to regenerate the waveform using dac. im fedding input to the adc externally using waveform generator. But the problem is my adc buffer show value beyoud 4000 irrespective of the input. why is this so.

even i grounded the ADC input pin but still i receive garbage values of >4000.Is there any problem with the configuration of adc. im currently stuck at the adc. anyone with the adc dac code help me out.

Hi everyone I need help understanding what I am doing wrong. I would like my buffers to work properly, but when I run the program my terminal starts sending all sorts of strange characters. I use stm32f411e-Disco

#define UART_RX_BUF_SIZE 20 #define UART_TX_BUF_SIZE 20   int8_t uart_put_char(char data); int8_t uart_get_char(char *data);   volatile char uart_rxBuff[UART_RX_BUF_SIZE]; volatile char uart_txBuff[UART_TX_BUF_SIZE];   void uart_put_string(char *s...

Send data to thingspeak using HTTP protocol with 4G sim module

I need to send data to thingspeak using sim7600 4G module. But don't know AT COMMAND for 4G uses HTTP. I'm newbie, please help me

"-u _printf_float" break VCP

I have a project using the virtual com port driver. Everything works great unless I enable "-u _printf_float" at which point I will get an error if I try to open the COM port in putty.