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

STM32L100 ADC Result Error On wakeup from Stop Mode

Posted on November 24, 2014 at 10:56Hi,    My application wakes-up from Stop Mode every 100mSec, takes ADC conversion from two channels in Scan mode to DMA then makes some processing. I get roughly +1.5% error. When i disable the Stop Mode but sampl...

STM32CubeF4: USB not detected.

Posted on November 26, 2014 at 16:17Hello!I am ussing STM32CubeF4 to implement a USB Host application on a STM32F4 -discovery board. When I connect a USB stick it never is detected. Connect interrupt must be raised but that is not happening. Any ide...

maria2 by Associate
  • 426 Views
  • 1 replies
  • 0 kudos

RTC GET_TIME / SET_TIME STM32-F4 DISCOVERY BOARD

Posted on November 07, 2014 at 10:22hello all ,does any one have a working code example  for keil  for RTC / calander ...for get or set time and date ( i need it to home automation system) thanks in advanced.(i don't conect 32k ... external crystal)...

maor by Associate III
  • 842 Views
  • 2 replies
  • 0 kudos

ADC Conversion

Posted on November 30, 2014 at 23:44I'm currently working on a university project that involves the analogue to digital converter on the STM32F0 discovery board. I've studied the manual and (as far as I can tell), initialized the registers correctly...

eric23 by Associate
  • 525 Views
  • 1 replies
  • 0 kudos

clear USART TC flag

Posted on November 27, 2014 at 21:20Hi I am using USART in Interrupt mode in Tx and Rx. Rx is working fine But in Tx I keep getting interrupt. I just need to get the interrupt once when the data is sent. but I keep getting the interrupt again and ag...

hossam by Associate II
  • 2594 Views
  • 5 replies
  • 0 kudos

dead time in stm32f4

Posted on November 29, 2014 at 17:24I'm generating a 50Hz complementary PWM wave in stm32f4 i'm stuck on dead-time insertion as i want to insert a dead time of 2.5ms, I don't know how to do that here is my code. This is what I thought it should be b...

Which USB mode for high speed transfer?

Posted on November 29, 2014 at 04:36Hi, I've been working with the STM32 for several years, but never done any USB related stuff. Just recently I've got working an example of USB-HS using the mass storage class.In my application I have a 16Gbyte SD ...

carl2399 by Associate III
  • 1251 Views
  • 4 replies
  • 0 kudos

Cortex M3 bit banding

Posted on November 23, 2014 at 13:35Dear All, I red the ARM reference manuals regarding  the ''bit banding'' to understand the operation.   I do not understand how it's overcome the RMW (Read modify write )behaviorlease adviceThanks in advance

Code works differently in debug mode than in real time

Posted on November 26, 2014 at 23:47 Hello. I've got problem regarding STM32L100 (on discovery board). I've switched from Arduino where I enjoy the simplicity of printing data to via UART and delay/millis functions. So, I decided to write my own...

How are you supposed to use HAL_UART_Receive in STM32Cube ?

Posted on November 25, 2014 at 18:52I am implementing a command parser that receives data on a serial port. My need is to read one byte at a time and when I recive a full command I will handle it. I look at the example in STM32Cube_FW_L0_V1.1.0\Proj...

johan2 by Associate II
  • 1017 Views
  • 2 replies
  • 0 kudos