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Jumping to Application

Posted on May 13, 2014 at 16:53Hi, I'm quite new with the ARM and STM32 world. I'm developing an application wich has to load a bootloader and, at a certain point, jump to the main application. I'm using the STM32F4-Disco. The bootload is quite comp...

Lori B. by • Associate III
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  • 25 replies
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''Unknown Target Connected'' After I connected 3v to PF9

Posted on May 22, 2014 at 17:02After I connected 3v to PF9, then It happened ''Unknown Target Connected''. I am not sure it is coincident, or that connection caused some problem in hardware  . I was planning to use PF9 as ADC to check the voltage. P...

Linda by • Associate II
  • 567 Views
  • 2 replies
  • 0 kudos

Help with STM32F051 USART2

Posted on May 22, 2014 at 03:48STM32F051 Discovery USART2 problem I wanted to know if someone can help me with a problem I am having with the STM32F051 USART. I’m using the STM32F0DISCOVERY kit and have added a few additional LED’s for testing which...

FPU options between GCC and Keil - Link error

Posted on May 22, 2014 at 14:13Hi,Using the STM32F407 discovery board, when trying to link with Keil (armlink) against a static library built with GCC, I encounter the following link error:Object toto.o contains Build Attributes that are incompatibl...

mfm by • Associate II
  • 757 Views
  • 0 replies
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stmcdc and Win 8.1?

Posted on May 22, 2014 at 12:12Our product that uses the Virtual COM port example from STM32_USB-FS-Device_Lib_V4.0.0 comes up fine all by itself on all versions of Windows up until 8.0, but for Windows 8.1 it doesn't install until you manually feed...

mats2 by • Associate
  • 482 Views
  • 0 replies
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STM32F407 Ethernet interface problem

Posted on May 14, 2014 at 08:21I have a board based on the STM32F407 with a LAN8710A phy. I have ported part of the Nichelite IP stack and got it to work when the board is connected directly to the test PC via a non-crossover cable. When an Ethernet...

dbrustur by • Associate
  • 497 Views
  • 1 replies
  • 0 kudos

STM32 Clock Issue

Posted on May 21, 2014 at 23:36I have written a small piece of Code in CooCox. I want to use it for the F303 and for the F030. I have noticed that the reset value is not correct. Regarding to the reference manual the RCC for both is identically. Res...

juergen2 by • Associate II
  • 1378 Views
  • 4 replies
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STM32F4 timer granularity ?

Posted on May 21, 2014 at 21:28hello forum ,I want count the time between the rising and falling edges of a 100 Khz square wave with STM32F4 timer now as the timer counts with 168 Mhz ,what can be the minimum count between the two very close measure...

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