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

interrupt of the timer

Posted on June 30, 2014 at 02:32Can I have a link or an code example to count the rising edges that have an input signal in a prefixed time?I need the number of rising edges in a second.The frequency of the signal on a gpio input is in a range from ...

cchechio by Associate II
  • 838 Views
  • 4 replies
  • 0 kudos

STM32CUBE + FreeRTOS + RTC HardFault

Posted on June 27, 2014 at 04:04Hi Everyone,I have the stm32f4dicscovery and built a simple project with STM32CubeMX 4.3.  I have attached the IOC file.  The code starts a task thread and blinks an LED.  The program hard faults when the RTC Init fun...

How to update the bootloader

Posted on June 30, 2014 at 11:17I have developed my own proprietary bootloader for STM32407 that work over UART and Ethernet. I can update the the application by the bootloader now.If I also want to , how can I realize it?

Resolved! STM32 nucleo-053 - USART issue

Posted on June 11, 2014 at 23:06Hi, I am familiar with Standard Pheripheral Library on STM32F100 MCU. ==== The problem is that on nucleo-053 (SPL is not available for this MCU) I cannot make USART working properly. I generated the code using CubeMX ...

Pa2 and Pa3 pins not working in stm32f030

Posted on June 30, 2014 at 07:25I have configured simple USART transmit and receive interrupt....It is working fine with othe pins for e.g PB6 and PB7.....but if I used Pa2 and Pa3 it's is neither transmitting nor receiving....What may be the proble...

sanjib by Associate III
  • 923 Views
  • 3 replies
  • 0 kudos

ADC->DMA on Keil STM32F400 board

Posted on June 30, 2014 at 10:27 Hi, It seems that DMA is not working properly. Based on the code below I don't get ADC values on the DMA destination adres ''ADC_Raw'' When I check the ADC peripheral address (ADC3_RDR), I can see the...

paul2 by Senior
  • 558 Views
  • 2 replies
  • 0 kudos

SPI Issues in STM32F215

Posted on June 28, 2014 at 17:27Hi, I have configured I2C2 in stm32f215 like below mentioned code, as well as i tried to read the device id. But while i am running its hanging  in while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTE...

STM32 PID Functions

Posted on June 25, 2014 at 09:49Hi,I had a look at DoFullPID and DoPID functions in PID_C_stm32.c file and undrstood that variables like Error and Output are defined as uint16_t.I'm wondering how these variables deal with negative values? What if in...