Diff: include/d7a_fs.h

Revision:

41:a924aa709b6f

Parent:

38:c1e7f97ab396

Child:

44:8ebe6b70f932

--- a/include/d7a_fs.h	Mon Aug 29 15:05:07 2016 +0000
+++ b/include/d7a_fs.h	Tue Aug 30 10:48:11 2016 +0000
@@ -64,6 +64,7 @@
 #define FS_OP_NULL      0
 #define FS_OP_RD        1
 #define FS_OP_WR        4
+#define FS_OP_SYNC      6  // Write File Properties
 #define FS_OP_TOUCH     7  // Not in ALP but '7' is still in 'write' actions area
 #define FS_OP_STAT      16
 #define FS_OP_DSTAT     30 // Not in ALP: Variant of STAT for distant files
@@ -96,9 +97,16 @@
 
 
 // Memory "TYPE"
-#define FS_TYPE_DISTANT 0x80
-#define FS_PHY_TYPE(t)  ((t)&0x0F)
-#define FS_COM_TYPE(t)  ((t)&0xF0)
+// ------------------------------------------------------
+// |  Sync   | Distant |    Com       |   MemType       |
+// ------------------------------------------------------
+// |   b7    |   b6    |   b5-b4      |     b3-b0       |
+// ------------------------------------------------------
+#define FS_TYPE_SYNC        0x80
+#define FS_TYPE_DISTANT     0x40
+#define FS_MEM_TYPE(t)      ((t)&0x0F)
+#define FS_COM_TYPE(t)      ((t)&0x30)
+#define FS_DISTANT_TYPE(t)  ((t)&0x70)
 enum {
     // Markers
         NOFILE  = 0,
@@ -107,15 +115,25 @@
         PFLASH  = 1,
         EEPROM  = 2,
         RAM     = 3,
-        UNKNOWN = 0xF,
+        OTP     = 4,
+        UNKNOWN = 0x0F,
         // PSRAM
         // DDR
         // ...etc
-    // COM Type for 'distant' files
-        HOST    = FS_TYPE_DISTANT + (1<<4), // Distant HST_COM Files
-        SPI     = FS_TYPE_DISTANT + (2<<4),
-        I2C     = FS_TYPE_DISTANT + (3<<4),
-
+        FS_COM_UART    = (0<<4),
+        FS_COM_SPI     = (1<<4),
+        FS_COM_I2C     = (2<<4),
+    // DISTANT Full Types
+        // Symetric HST-COM Files:
+        // - Header on Host side (i.e. need syncro on STAT)
+        // - Data on Host side
+        // - Same/Similar memory physical types
+        HOSTNS  = FS_TYPE_SYNC + FS_TYPE_DISTANT + FS_COM_UART,
+        // Synchronised Symetric HST / COM Files
+        // - Idem Symetric HST-COM Files excepted:
+        // - Local header is assumed to be syncronised (through FS:SYNC)
+        HOSTS   = FS_TYPE_DISTANT + FS_COM_UART,
+        HOST    = FS_TYPE_DISTANT + FS_COM_UART, // Common Alias for FS_DISTANT_TYPE(t) usage
 };
 // File "Storage Class"
 enum { TRANSIENT=0, VOLATILE, RESTORABLE, PERMANENT};
@@ -130,7 +148,11 @@
 TYPEDEF_STRUCT_PACKED{
     uint32_t addr         : 32;
 
-    uint32_t type         : 8;
+    // MEMORY Type 8bits
+    uint32_t t_mem        : 4;
+    uint32_t t_com        : 2;
+    uint32_t t_distant    : 1;
+    uint32_t t_sync       : 1;
 
     // RAM Mirroring
     uint32_t mirror_idx   : 7;