STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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 ...

JAlca by Senior
  • 429 Views
  • 0 replies
  • 1 kudos

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...

KK.3 by Associate II
  • 874 Views
  • 6 replies
  • 0 kudos

"-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.

Jcoll.1 by Associate III
  • 309 Views
  • 0 replies
  • 0 kudos

Resolved! stm32f1xx_ll_gpio.h, wrong LL_GPIO_PIN_x definition

Hello the pin definition> 7 in the stm32f1xx_ll_gpio.h file seems to be wrong: in fact when I use LL_GPIO_PIN_8 with the function HAL_GPIO_WritePin (GPIO_TypeDef * GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState)the ODR0 bit of the port concerned is...

0693W000008wvgvQAA.png