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Document bugfix 

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2189 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2009-10-29 21:51:09 +00:00
parent 525cf07fce
commit 7442148f33
2 changed files with 14 additions and 0 deletions
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7
ChangeLog
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@ -936,3 +936,10 @@
NOTE: This USB driver is completely untested as of the initial check-in NOTE: This USB driver is completely untested as of the initial check-in
* arch/arm/src/stm32/stm32_rcc.c - Fixed an error in clock initialization.
On some boards (none of mine), the HSE (high speed external clock) delay
loop times out if the optimization level is high. The STM32 then falls
back to the HSI (internal clock), and the system clock is too slow by a
factor of 11.1%. This was fixed by simply add the volatile storage class
to the timeout loop counter

7
Documentation/NuttX.html
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@ -1588,6 +1588,13 @@ nuttx-0.4.13 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
NOTE: This USB driver is completely untested as of the initial check-in NOTE: This USB driver is completely untested as of the initial check-in
* arch/arm/src/stm32/stm32_rcc.c - Fixed an error in clock initialization.
On some boards (none of mine), the HSE (high speed external clock) delay
loop times out if the optimization level is high. The STM32 then falls
back to the HSI (internal clock), and the system clock is too slow by a
factor of 11.1%. This was fixed by simply add the volatile storage class
to the timeout loop counter
pascal-0.1.3 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> pascal-0.1.3 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
buildroot-0.1.8 2009-xx-xx <spudmonkey@racsa.co.cr> buildroot-0.1.8 2009-xx-xx <spudmonkey@racsa.co.cr>