X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=inline;f=src%2Fkernel%2Fao_storage.h;h=ff8548eb150d71bb73a92ddf4457e7079a7a760f;hb=HEAD;hp=1c5867e09eed3e9dc78f79a9a00490d488c3d9a4;hpb=936eceded2d08f4eb7318b28bd1be6cd3b06a7b3;p=fw%2Faltos

diff --git a/src/kernel/ao_storage.h b/src/kernel/ao_storage.h
index 1c5867e0..ff8548eb 100644
--- a/src/kernel/ao_storage.h
+++ b/src/kernel/ao_storage.h
@@ -31,15 +31,23 @@
 typedef ao_storage_pos_t ao_pos_t;
 
 /* Total bytes of available storage */
+#ifndef ao_storage_total
 extern ao_pos_t	ao_storage_total;
+#endif
 
 /* Block size - device is erased in these units. At least 256 bytes */
+#ifndef ao_storage_block
 extern ao_pos_t	ao_storage_block;
+#endif
 
 #ifndef USE_STORAGE_CONFIG
 #define USE_STORAGE_CONFIG 1
 #endif
 
+#ifndef AO_STORAGE_ERASED_BYTE
+#define AO_STORAGE_ERASED_BYTE 0xff
+#endif
+
 #if USE_STORAGE_CONFIG
 /* Byte offset of config block. Will be ao_storage_block bytes long */
 extern ao_pos_t	ao_storage_config;
@@ -50,7 +58,9 @@ extern ao_pos_t	ao_storage_config;
 #endif
 
 /* Storage unit size - device reads and writes must be within blocks of this size. Usually 256 bytes. */
+#ifndef ao_storage_unit
 extern uint16_t ao_storage_unit;
+#endif
 
 /* Initialize above values. Can only be called once the OS is running */
 void