altos: Allow use of internal EEPROM for config storage

[fw/altos] / src / core / ao_storage.h

diff --git a/src/core/ao_storage.h b/src/core/ao_storage.h
index 873fe0970f3badade70effa9c6da22ab1f7acb44..d6e95605e7e6265e3bc8e17c8ff4ae3e2f3bdcb7 100644 (file)
--- a/src/core/ao_storage.h
+++ b/src/core/ao_storage.h
@@ -23,14 +23,30 @@
  * drivers
  */
 
  * drivers
  */
 

+#ifndef ao_storage_pos_t
+#define ao_storage_pos_t uint32_t
+#endif
+
+typedef ao_storage_pos_t ao_pos_t;
+

 /* Total bytes of available storage */
 /* Total bytes of available storage */

-extern __pdata uint32_t        ao_storage_total;
+extern __pdata ao_pos_t        ao_storage_total;

 
 /* Block size - device is erased in these units. At least 256 bytes */
 
 /* Block size - device is erased in these units. At least 256 bytes */

-extern __pdata uint32_t        ao_storage_block;
+extern __pdata ao_pos_t        ao_storage_block;

 
 

+#ifndef USE_STORAGE_CONFIG
+#define USE_STORAGE_CONFIG 1
+#endif
+
+#if USE_STORAGE_CONFIG

 /* Byte offset of config block. Will be ao_storage_block bytes long */
 /* Byte offset of config block. Will be ao_storage_block bytes long */

-extern __pdata uint32_t        ao_storage_config;
+extern __pdata ao_pos_t        ao_storage_config;
+
+#define ao_storage_log_max     ao_storage_config
+#else
+#define ao_storage_log_max     ao_storage_total
+#endif

 
 /* Storage unit size - device reads and writes must be within blocks of this size. Usually 256 bytes. */
 extern __pdata uint16_t ao_storage_unit;
 
 /* Storage unit size - device reads and writes must be within blocks of this size. Usually 256 bytes. */
 extern __pdata uint16_t ao_storage_unit;


@@ -43,15 +59,15 @@ ao_storage_setup(void) __reentrant;
 
 /* Write data. Returns 0 on failure, 1 on success */
 uint8_t
 
 /* Write data. Returns 0 on failure, 1 on success */
 uint8_t

-ao_storage_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
+ao_storage_write(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant;

 
 /* Read data. Returns 0 on failure, 1 on success */
 uint8_t
 
 /* Read data. Returns 0 on failure, 1 on success */
 uint8_t

-ao_storage_read(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
+ao_storage_read(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant;

 
 /* Erase a block of storage. This always clears ao_storage_block bytes */
 uint8_t
 
 /* Erase a block of storage. This always clears ao_storage_block bytes */
 uint8_t

-ao_storage_erase(uint32_t pos) __reentrant;
+ao_storage_erase(ao_pos_t pos) __reentrant;

 
 /* Flush any pending writes to stable storage */
 void
 
 /* Flush any pending writes to stable storage */
 void


@@ -67,11 +83,11 @@ ao_storage_init(void);
 
 /* Read data within a storage unit */
 uint8_t
 
 /* Read data within a storage unit */
 uint8_t

-ao_storage_device_read(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
+ao_storage_device_read(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant;

 
 /* Write data within a storage unit */
 uint8_t
 
 /* Write data within a storage unit */
 uint8_t

-ao_storage_device_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
+ao_storage_device_write(ao_pos_t pos, __xdata void *buf, uint16_t len) __reentrant;

 
 /* Initialize low-level device bits */
 void
 
 /* Initialize low-level device bits */
 void