STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! STM32F091 - Bitbanding

We are porting a piece of software from STM32F1 to a STM32F091.One part of the software is using bit banding. But in the library heade is no definition for the bit danding area in the memory.I fear bit banding is not supported by this special device?...

STM32F103RB:Error message from debugger back end: Error finishing flash operation allocating const in Flash at fixed address using __attribute__((section (".UserDataSector")))

Hello.please may i have your help?I have the error on the final part of debug launching only when i declare const uint16_t __attribute__((section (".UserDataSector"))) out_val_register[64];//= {0x1234,0x1235,0x1238,0x3333};in .ld file /* Specify the...

Problem with scanf in STM32F4, it is scanning only the first char even I am requesting to scan an int or float. Details in description

here is the code I am using to scanint ScanConfig(__const char * format, va_list args) { unsigned i=0; char ch = 0; char buffer[256]; int ret = 0; while((i<sizeof(buffer))&&(ch!='\n')&&(ch!='\r')){ HAL_StatusTypeDef status...

stm32f103rb nucleo HSE clock output, no signal

Dear ST folks,I'm trying to configure the HSE clock output over PA8 on stm32F103 from scratch.Here is my code.#include <stdint.h>#include "stm32f10x.h" // Device header  int main (void){  RCC_TypeDef *pRCC; GPIO_TypeDef *pGPIOA; pGP...

MMatv by Associate II
  • 1087 Views
  • 4 replies
  • 0 kudos

The ADC1 & ADC2 is configured in multimode with DMA and trigged by TIM1, but I only get half sample rate 20 kHz. What I have done wrong? Q2 I can only use TIM1 Trigger 2 Out Event to trig the ADCs. Why can I not use any other timers or events?

static void MX_ADC1_Init(void) {   ADC_MultiModeTypeDef multimode; ADC_ChannelConfTypeDef sConfig;   /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) */ hadc1.Instance = ADC1; h...

AJack by Associate II
  • 5166 Views
  • 8 replies
  • 0 kudos

ADC read with STM32L433

would like to read ADC value for vbat consecutively.First read VbatSecond read VREFINT.implementation is like below.​ hadc1.Instance = ADC1; hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV4; hadc1.Init.Resolution = ADC_RESOLUTION_12B; hadc1.Init.Data...

YChun.15 by Associate
  • 1039 Views
  • 4 replies
  • 0 kudos

STM spi master sending extra clock signals.

I am trying to communicate with an adc chip acting as a spi slave to my stm32f3 spi master. So far I am unable to make it work.After attaching an oscillscope I found out that if i send only 8 bits of data to the slave , I get exactly 16 clock pulses ...

Sdddd by Associate II
  • 1806 Views
  • 6 replies
  • 0 kudos