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Introduce sbBYTES_TO_STORE_MESSAGE_LENGTH to allow the number of bytes used to hold a message length in a message buffer to be reduced if 4 bytes is always too many (save a little RAM).

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This commit is contained in:
Richard Barry
2018-03-15 15:51:22 +00:00
parent aec45f2479
commit 3ec86b7a98
2 changed files with 14 additions and 1 deletions
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7
FreeRTOS/Source/include/FreeRTOS.h
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@ -826,6 +826,13 @@ extern "C" {
#define configSTACK_DEPTH_TYPE uint16_t
#endif
#ifndef configMESSAGE_BUFFER_LENGTH_TYPE
/* Defaults to size_t for backward compatibility, but can be overridden
in FreeRTOSConfig.h if lengths will always be less than the number of bytes
in a size_t. */
#define configMESSAGE_BUFFER_LENGTH_TYPE size_t
#endif
/* Sanity check the configuration. */
#if( configUSE_TICKLESS_IDLE != 0 )
#if( INCLUDE_vTaskSuspend != 1 )