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Struct alignment needed for some targets, define in spiffs_config #10

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Added config define SPIFFS_ALIGNED_OBJECT_INDEX_TABLES, default
disabled
This commit is contained in:
Peter Andersson
2015-03-23 22:21:24 +01:00
parent 23b5c941a5
commit bce989eb57
2 changed files with 13 additions and 2 deletions
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src/default/spiffs_config.h
+6 -1
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@@ -151,7 +151,12 @@
#endif
#endif
// Set SPFIFS_TEST_VISUALISATION to non-zero to enable SPIFFS_vis function
// Enable this if your target needs aligned data for index tables
#ifndef SPIFFS_ALIGNED_OBJECT_INDEX_TABLES
#define SPIFFS_ALIGNED_OBJECT_INDEX_TABLES 0
#endif
// Set SPIFFS_TEST_VISUALISATION to non-zero to enable SPIFFS_vis function
// in the api. This function will visualize all filesystem using given printf
// function.
#ifndef SPIFFS_TEST_VISUALISATION
src/spiffs_nucleus.h
+7 -1
View File
@@ -381,6 +381,8 @@ typedef struct {
// object structs
// page header, part of each page except object lookup pages
// NB: this is always aligned when the data page is an object index,
// as in this case struct spiffs_page_object_ix is used
typedef struct __attribute(( packed )) {
// object id
spiffs_obj_id obj_id;
@@ -391,7 +393,11 @@ typedef struct __attribute(( packed )) {
} spiffs_page_header;
// object index header page header
typedef struct __attribute(( packed )) {
typedef struct __attribute(( packed ))
#if SPIFFS_ALIGNED_OBJECT_INDEX_TABLES
__attribute(( aligned(sizeof(spiffs_page_ix)) ))
#endif
{
// common page header
spiffs_page_header p_hdr;
// alignment