STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Best TCP/IP Stack for STM32F2

Posted on April 03, 2013 at 21:46HI, I'm going to extend my project with TCP/IP stack. What do you think is a best choice for TCP/IP stack. Currently I'm hesitating between lwIP and uIP.  I'm developing under yagarto. Currently my code runs FreeRTO...

dimax by Senior
  • 1055 Views
  • 4 replies
  • 0 kudos

Timer problem

Posted on April 05, 2013 at 03:40Hi guysI want to do an experience with stm32f4.I want to simulate AM(amplitude modulation).I want to use 168 MHz as a carrier and generate the data in 100 khz. and modulate this 2 waves together.this action like i pu...

imanpakii by Associate III
  • 486 Views
  • 1 replies
  • 0 kudos

JTAG Boundary Scan with ScanExpress

Posted on April 04, 2013 at 22:17My company uses a nifty tool called ScanExpress that takes your netlist, parts list, and BSDL files for the JTAG chain and creates an automated test using the Boundary scan to see if all the connections are correct. ...

wmoyne by Associate II
  • 468 Views
  • 0 replies
  • 0 kudos

Missing ADC Codes on STM32F1 / ADC3

Posted on April 04, 2013 at 17:37Hi all,      When I supply 2 of my ADC inputs with 3V ramp/triangle/sine waves, it seems that values from 1024 - 1048 are reporting as 1023.  There is another smaller ''dead band'' from 1087 up to 1092.  Everything e...

diydsp by Associate
  • 560 Views
  • 1 replies
  • 0 kudos

Fast floating point math

Posted on April 03, 2013 at 11:27Hello, i run in to a problem, where i need to do math with single precision floating point. it looks like if(...) condition, and printing floating point to uint16_t is very slow. so i have two questions: first, what ...

linas2 by Associate II
  • 4835 Views
  • 25 replies
  • 0 kudos

RAM duration : erased at reset ?

Posted on April 04, 2013 at 15:51Hello ST lovers,I have a very simple yet critical to my project question : is the RAM in the STM32F405 erased upon reset ? If yes, then is there any EEPROM I can use to store 32 bits of data that'll survive through r...

STM32F2xx FLASH erease program

Posted on April 04, 2013 at 14:43I have problem erease the write to the FLASH . I do as follow    FLASH_Unlock();    FLASH_EraseSector(FLASH_Sector_4, VoltageRange_3); Prair to that I check that all  section are unlock nWRP= 0xFFF. I use HSE and I ...

Barbie by Associate II
  • 431 Views
  • 3 replies
  • 0 kudos

USART interrupts when dma is used

Posted on April 04, 2013 at 16:05Hi all I've a little question: is it possible to get the normal usart interrupts, when I use dma to transfer the data? I want to add some LED (on at transmission), so it would be very usefull, if I can turn it on at ...

pa by Associate II
  • 246 Views
  • 0 replies
  • 0 kudos

STM32F107 SEND RECEIVE USART

Posted on January 30, 2013 at 18:58Im trying to send and receive data trought de serial RS232, but I am not able to send and receive messages with the pins RX and TX connected simultaneously. If I turn the TX only cable I get messages on PC but conn...

esiqueira by Associate II
  • 1540 Views
  • 6 replies
  • 0 kudos