reduced heap size to 121kB
#define configTICK_RATE_HZ ( ( TickType_t ) 1000 )
#define configMAX_PRIORITIES ( 7 )
#define configMINIMAL_STACK_SIZE ( ( uint16_t ) 256 )
-#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 125 * 1024 ) )
+#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 121 * 1024 ) )
#define configMAX_TASK_NAME_LEN ( 16 )
#define configUSE_TRACE_FACILITY 1
#define configUSE_16_BIT_TICKS 0
