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freertos: change default alignment to 4-byte from 8-byte

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There shouldn't be any reason to need 8-byte alignment on the
F1 platform.  This allows better packing of all malloc'd data.

Reducing this below 4-byte alignment is not recommended and will
likely result in misaligned pointers being passed to peripherals.

RAM savings is another 300 bytes.
This commit is contained in:
Stacey Sheldon 2012-11-11 22:16:00 -05:00
parent e2b019edd9
commit e5c54cca00
1 changed files with 1 additions and 1 deletions
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2
flight/PiOS/STM32F10x/Libraries/FreeRTOS/Source/portable/GCC/ARM_CM3/portmacro.h
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@ -92,7 +92,7 @@ extern "C" {
/* Architecture specifics. */
#define portSTACK_GROWTH ( -1 )
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8
#define portBYTE_ALIGNMENT 4
/*-----------------------------------------------------------*/