Add xPortGetFreeHeapSize() function.

[freertos] / Source / portable / MemMang / heap_1.c

diff --git a/Source/portable/MemMang/heap_1.c b/Source/portable/MemMang/heap_1.c
index 27582c17f9eea03f33f64c737b4f8d476784472d..f81ce116eb3d8374a8b8d3cd13f4394449556b5a 100644 (file)
--- a/Source/portable/MemMang/heap_1.c
+++ b/Source/portable/MemMang/heap_1.c
@@ -136,5 +136,12 @@ void vPortInitialiseBlocks( void )
        /* Only required when static memory is not cleared. */\r
        xNextFreeByte = ( size_t ) 0;\r
 }\r
+/*-----------------------------------------------------------*/\r
+\r
+size_t xPortGetFreeHeapSize( void )\r
+{\r
+       return ( configTOTAL_HEAP_SIZE - xNextFreeByte );\r
+}\r
+\r
 \r
 \r