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STM32F4 Discovery

Posted on May 12, 2012 at 08:50hii am starting with STM32F4 Discovery i need to know which development software is the bestkeil or the attolic, thank you

qasim by • Associate
  • 2268 Views
  • 5 replies
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Error in the STM32F0Discovery Firmware package

Posted on May 20, 2012 at 07:45Hi I recently recieved an STM32F0 discovery board and got to  doing some testing on it with the gcc toolchain  found at:https://launchpad.net/gcc-arm-embedded/4.6/2011-q4-major I discovered that the ''startup_stm32f0xx...

Eclipse and CodeSourcery ARM Sourcery G++ question

Posted on October 22, 2011 at 02:19HiI have eclipse 3.6 with GNU ARM C/C++ development support configured.However, it can generate hex file with warning: cannot find entry symbol Reset_Handler; defaulting to 08000000. Not sure will this effect the h...

sharethl by • Associate II
  • 4348 Views
  • 10 replies
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3-Phase generation via timers...

Posted on May 17, 2012 at 02:36Does anyone know how to produce a solid 3-phase implementation via the timers on these STM32F4-Discovery? I'm wanting to be able to produce a simple 3-phase digital signal upon 3 output channels are varying frequencies...

jason22 by • Associate II
  • 2016 Views
  • 4 replies
  • 0 kudos

USB Composite Device for DFU

Posted on May 18, 2012 at 14:37Hi everyone,I m trying to be in USB Mass storage Mode by default, and being able to do DFU action upload and download.I read that I have to disable all other interface to get in DFU mode.Thus, I wanted to use DFUSE to ...

gregoire by • Associate II
  • 1341 Views
  • 1 replies
  • 0 kudos

DC32 Instruction

Posted on May 18, 2012 at 21:45 Hello -- We're trying to bring up FreeRTOS on our STM32F103c8 micro. In the function vPortStartFirstTask (file portasm.s) there is an SVC call as follows: cpsie i     0x8002efe: 0xb662         CPSIE     i  svc 0     0...

markbell9 by • Associate II
  • 1884 Views
  • 1 replies
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problem with calculating internal tempwerature with STM32F105

Posted on May 16, 2012 at 23:26Hello I have a problem with calculating internal temperature with STM32. When processor VCC is 3.3V everything is ok - temperature is almoast accurate with wide temerature range. But whet processor VCC is below 3V temp...

wadi by • Associate II
  • 1440 Views
  • 2 replies
  • 0 kudos

Using cortex-m4 FPU with gcc toolchain

Posted on May 16, 2012 at 06:43Dear all, I'm using `Keil uVision` with gcc toolchain (Sourcery Codebench lite for ARM EABI) to program the `STM32F4 cortex M4` chip. The compiler control strings I have set are:     -march=armv7e-m -mfpu=fpv4-sp-d16  ...

ID Unique device ID register (96 bits) “,

Posted on May 16, 2012 at 15:12Hello,  The Cortex M3 have the �ID Unique device ID register (96 bits) �, this number give to the user application technical information about the Cortex M3 mounted in the PCB ?. Extract from the datasheet RM008 revisi...

xgarcia by • Associate
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  • 4 replies
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