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Forum Posts

Linker error when compiling with CodeSourcery

Posted on January 31, 2013 at 13:06Trying to get a linux toolchain up and running to eventually program an STM32L Discovery board.  I have Code Sourcery CodeBench Lite set up in a folder and a Make script set up to build it all.  Right now it's just...

Read Out Protect - Only a section?

Posted on January 31, 2013 at 13:48Hi all,Is it possible to read out protect only one specific area of flash?I want to use a bootloader that can program both encrypted and un-encrypted programs.I need to protect the bootloader from being read so un-...

mwp by Senior
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  • 3 replies
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Read out Start-Up RAM values

Posted on October 12, 2012 at 11:28Hey there, I am pretty new to micrcontrollers and such. I recently bought a STM32VL Discovery, which I am programming with CoCoox IDE. My goal is to read out the start-up values of internal RAM. By start-up values ...

an by Associate II
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  • 27 replies
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DAC output not working

Posted on September 05, 2012 at 04:38Hi All, I had the DAC working using DMA to out put a sinewave continuously and it seems to have stopped working when I tried to change which timer I triggered off. After changing the timer configuration back it s...

Dual Quadrature encoders

Posted on January 31, 2013 at 08:04I am trying to read a paid of quadrature encoders, I have managed to get one to read using code copied from this forum but I have been un able to read the second one, I have tried it on different timers (1,3,4) and...

pisaacs9 by Associate II
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  • 1 replies
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Building 0s/03 doubles timer speed?

Posted on January 24, 2013 at 14:48Hi all,My TIM3 timer is setup to run at 10Khz which it does when i compile with -O0.When i compile with -03 or -Os, the timer speed increases to 20khz.All other build configs (gcc, linker, libs, etc) stay the same....

mwp by Senior
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  • 7 replies
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Adding RAM and FLASH to STM32F4DISCOVERY board

Posted on January 30, 2013 at 23:01Hi all,I'd like to try uClinux on STM32F4, and I really like STM32F4DISCOVERY. I have two questions :1) Would it be possible to add an external RAM and FLASH chips somehow to this boar, via some free pads / ports t...

drasko by Associate
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  • 2 replies
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SPI Problem

Posted on January 30, 2013 at 15:02 I am relatively new to the STM32 series. My project has a custom board with a STM32F102C6. I have 2 boards. My first board I have been developing on and everything is working fine. On the 2nd board, the progra...