STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

gif-stm32u0.gif

strcat method does not work

Posted on August 20, 2012 at 15:14Hi, When I use strcat to append a string to a destination string. It does not work. I did it like this. char *item_list = ''''; strcat(item_list,''hello''); When I set a break point and check the item_list, it is st...

chai by Associate II
  • 2504 Views
  • 24 replies
  • 0 kudos

RTC daylight saving time STM32f3 discovery

Posted on February 25, 2013 at 17:18I'm using the standard peripheral library to manage the RTC on my STM32f3 discovery board. As I understand it, when things are running, you can go into the daylight saving time mode by this command : RTC_DayLightS...

file STM32F2xx_Clock_Configuration_VX.Y.Z.xls

Posted on October 18, 2011 at 14:37Application note AN3362 explains that the configuration tool is implemented in the �STM32F2xx_Clock_Configuration_VX.Y.Z.xls� file which is supplied with the STM32F2xx Standard Peripherals Library and can be downlo...

Linker problems

Posted on February 26, 2013 at 17:21I am having issues with getting the Linker script to run. /../arm-none-eabi/bin/ld.exe: cannot open linker script file /C:/Users/Jason.Development-PC/Dropbox/Eclipse/TS_001/stm32_flash.ld: Invalid argumenthere is ...

berge472 by Associate II
  • 485 Views
  • 1 replies
  • 0 kudos

STML152 EXTI9_5 and USB

Posted on February 26, 2013 at 06:37While trying to get an interrupt working that monitors the USB VCC voltage to detect USB cable connection/disconnection, I found a very strange problem. Whenever USB is enabled (as it should since that's what I'm ...

GPIO Interrupt Issue

Posted on February 23, 2013 at 10:32 Hi , I am using the following code to configure my external interrupt on PH10 , PH11, PH However , the interrupt does not occur when a signal is applied to PH10 , bothe PH11 and PH12 is working ...

External I2S Microphone and the STM32f4 Discovery

Posted on February 25, 2013 at 17:46Hi Is it possible to connect an external I2S microphone to the stm32f4discovery? I know that the board already has a MEMS mic but I need to use my own microphone. Can I route the signals (MCLK, SD, WS, SCLK) to th...

STM32F4 EXTI level-sensitive interrupt problem

Posted on February 26, 2013 at 10:53I am using an STM32F4xx MCU and have configured it for external interrupts (EXTI) on PH2 (rising edge). Everything works OK until the odd occassion when the input to PH2 is left high at the end of the ISR. In this...

USB CDC flow contol

Posted on February 22, 2013 at 10:48I’m using a slightly modified version of the USB CDC example on STM32F205. The modification is that I’m terminating the STM32 end with a simple command line rather than tunnelling to and from a UART. This is a...

trevor23 by Associate III
  • 420 Views
  • 1 replies
  • 0 kudos

stm32f051 usart1

Posted on February 25, 2013 at 14:18 Hi, I'm switching from a stm32f100 to the stm32f051, most of the code is working already. but the usart1 does not work. The output doesn't change when I am trying to send something. Here are some snipp...