STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Interrupt priority grouping on stm32f1xx series

Posted on April 30, 2015 at 12:12In programming manual (PM0056) in the description of ''Application interrupt and reset control register (SCB_AIRCR)'' two things are written: 1) Bits 10,9 and 8 defines PRIGROUP - they determine the split of group pr...

amomum by Associate III
  • 551 Views
  • 2 replies
  • 0 kudos

STM32 comStick

Posted on April 13, 2015 at 19:10Hello everyone,    i want to seek some guidance. A friend of mine has given to me an small STM32 comStick evaluation board and i was seeking of some developers resources. I have already checked the various examples t...

STM32F303 SPI alternative use of the NSS pin problem

Posted on May 12, 2015 at 17:52When using SPI2 PB12 is the NSS pin. However, I want to use PB12 as an output and not have it set or reset by the NSS when using SPI2. I thought I had done that by this line of code: SPI_InitStructure.SPI_NSS = SPI_NSS...

gbigden by Associate III
  • 695 Views
  • 2 replies
  • 0 kudos

stm32f4 ,i2c bug when acknowledge enabled

Posted on May 14, 2015 at 22:02 I am reading data from a ds 1621 on stm32f4 using i2c 1 on pb6 and pb7. Data sent by the device is fragmented into 2 bytes according to datasheet.I tried to read the first byte.It worked great.Then i decided to...

d4ng3r09 by Associate II
  • 349 Views
  • 0 replies
  • 0 kudos

STM32F429 FMC + SSD1963 + Clock Speed

Posted on May 14, 2015 at 10:18Hi. I'm quite new into the STM32 devices, so apologies in advance for the scrappy code! I've got a STM32F429 Discovery board attached to a SSD1963 display though the FMC (8 bit mode at the moment), however I cant seem ...

matthew2 by Associate II
  • 727 Views
  • 3 replies
  • 0 kudos

STM32F4 DMA vs F1 DMA

Posted on May 14, 2015 at 15:51Hello,I am migrating code from F103RBT6 to F415RGT6.The problem is only in DMA part that it seems as a dead code so obviously something is bad there.Here you can see source code for both F1 and F4:http://pastebin.com/Q...

zexx86 by Associate II
  • 472 Views
  • 2 replies
  • 0 kudos

Incorrect definitions in older stm32f4xx.h

Posted on May 12, 2015 at 20:25If you carry over a stm32f4xx.h (together with a bunch of other system headers) from older projects as I do, and want to reset SPI2 or SPI3 in software, and it won't work, then fix the RCC_APB1RSTR_SPI2RST and RCC_APB1...

STM32F429 FMC SDRAM DELAY CHANGE

Posted on May 10, 2015 at 22:48The original post was too long to process during our migration. Please click on the attachment to read the original post.

STM32F4 Discovery Board and VCP USB drivers/application

Posted on January 17, 2015 at 22:16Hello, I have a STM32F4 Discovery board, which I plan to use as sensor-based data acquisition board, switching from RS232 to USB communication with host. The simplest path I see to take is to make the device a Virt...

jsvirzi by Associate II
  • 3254 Views
  • 12 replies
  • 0 kudos

Unable to get STM32F103ZE chip working

Posted on May 12, 2015 at 18:53Problems getting new STM32 target runningI've developed a project on an STM32F103RB, and am now trying to move it to a F103ZE chip. However I cannot get my code to run.I have changed the linker file to accound for the ...

GregMusic by Associate II
  • 1141 Views
  • 9 replies
  • 0 kudos