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* [Bug 1002027] New: STM32 HSI clock initialized incorrectly
@ 2014-12-06 22:30 bugzilla-daemon
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From: bugzilla-daemon @ 2014-12-06 22:30 UTC (permalink / raw)
To: ecos-bugs
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http://bugs.ecos.sourceware.org/show_bug.cgi?id=1002027
Bug ID: 1002027
Summary: STM32 HSI clock initialized incorrectly
Product: eCos
Version: CVS
Target: stm32f4dis (ST STM32F4DISCOVERY)
Architecture/Host Cortex-M
OS:
Status: UNCONFIRMED
Severity: major
Priority: low
Component: HAL
Assignee: unassigned@bugs.ecos.sourceware.org
Reporter: mmajchrzycki@antmicro.com
CC: ecos-bugs@ecos.sourceware.org
Created attachment 2557
--> http://bugs.ecos.sourceware.org/attachment.cgi?id=2557&action=edit
Patch to fix HSI bug in STM32 architecture
In any STM32 platform, selecting internal RC oscillator (HSI) as clock source
causes a generate unstable frequency. This is because the HSITRIM field in
RCC_CR is cleared during clock initialization process.
Restoration of the default value of HSITRIM restores generation of stable
frequency by internal RC oscillator.
In attachment is a patch which fixes bug that is mentioned above.
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2014-12-06 22:30 [Bug 1002027] New: STM32 HSI clock initialized incorrectly bugzilla-daemon
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