STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32F407VGT6 SPI1 receive problem.

Posted on March 26, 2014 at 21:56Hello,For some time I've been developing system at my company, one of the features is SD card, interfaced via SPI (SPI1 to be more precise). However there is a problem with reception of data by MCU. When I map SPI1 t...

axel2 by Associate II
  • 755 Views
  • 3 replies
  • 0 kudos

Setting up a 'global variable' using DCD

Posted on March 26, 2014 at 15:08I have a jump table currently set-up like thisProcTable DCD Proc1 DCD Proc2 DCD Proc3EndTableAnother part of my program that is acting as a processes manager which needs to keep track of the number of the process so ...

lo0446 by Associate II
  • 847 Views
  • 5 replies
  • 0 kudos

Get DMA status

Posted on March 26, 2014 at 10:07 I use DMA on USART2 rx.(STM32f107) I can buffer my incoming data with DMA on circular mode and have no problem. My array size is 1024 byte and I don't want to wait for 1024 incoming byte and get interrupt ...

what lib you use?

Posted on March 25, 2014 at 14:31What driver lib you use for your projects? 1- standard firmware lib 2- stm32cube f4 3- you own lib please answer ,if possible write your reason.

STM32F103R8T6 With out PullUp

Posted on March 26, 2014 at 13:25Good afternoon!I faced one problem of transition from the stm32L1xx series on stm32F103r8.I can't understand how to work with USB without using external PullUp on D +?

gambit by Associate II
  • 337 Views
  • 1 replies
  • 0 kudos

STM32L162 Operational Amplifier Output

Posted on March 26, 2014 at 11:37Hi All, Does somebody know (or could quickly check) what is the maximum and minimum output voltage that you can get from operational amplifiers in STM32L162? The load could be something between 1k and 10k.

damian by Associate II
  • 400 Views
  • 2 replies
  • 0 kudos

''Branching'' to SVC Handler

Posted on March 22, 2014 at 18:14MULT CMP r1, #1  BEQ Finish ITTT HS SUBHS r1, #1 MULHS r0, r2 BLHS MULTWhere I currently have ''BEQ Finish'' I wish to call an SVC Handler, how can I do this?I know I can call an SVC handler with SVC 0 , SVC 1 etc.. ...

lo0446 by Associate II
  • 392 Views
  • 2 replies
  • 0 kudos

One shot pulse

Posted on March 04, 2014 at 09:40Hi, I need to generate some pulses on a pin with a timer.Pin is normally high, it have to stay low for a precise time, then high for at least another time.I tried with one-pulse mode, but it works conversely: it wait...

giuseppe by Associate II
  • 1289 Views
  • 5 replies
  • 0 kudos