X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Favr%2Fdrv%2Fflash_avr.h;h=4a0aea73f88eaacb05f61198121333d0c0ee1f8f;hb=b59de1faa4a3d4656d9ffe3e2cc513abc55fb6b3;hp=f078c38e6be99359a50aaee49ba51bf9655b291d;hpb=dd4647adfe027ca0bc84c8fae1fb39a400922380;p=bertos.git

diff --git a/bertos/cpu/avr/drv/flash_avr.h b/bertos/cpu/avr/drv/flash_avr.h
index f078c38e..4a0aea73 100644
--- a/bertos/cpu/avr/drv/flash_avr.h
+++ b/bertos/cpu/avr/drv/flash_avr.h
@@ -42,15 +42,43 @@
 
 #include <cfg/compiler.h>
 #include <kern/kfile.h>
+#include <avr/io.h>
+
+
+/**
+ * Definition of type for avr flash module.
+ */
+typedef uint16_t avr_page_t;
 
 
 /**
  * FlashAvr KFile context structure.
  */
-typedef struct KFileFlashAvr
+typedef struct FlashAvrKFile
 {
-	KFile fd;		///< File descriptor.
-} KFileFlashAvr;
+	/**
+	 * File descriptor.
+	 */
+	KFile fd;
+
+	/**
+	 * Current buffered page.
+	 */
+	avr_page_t curr_page;
+
+	/**
+	 * Flag for checking if current page is modified.
+	 */
+	bool page_dirty;
+
+	/**
+	 * Temporary buffer cointaing data block to
+	 * write on flash.
+	 */
+	uint8_t page_buf[SPM_PAGESIZE];
+
+
+} FlashAvrKFile;
 
 
 
@@ -60,16 +88,16 @@ typedef struct KFileFlashAvr
 #define KFT_FLASHAVR MAKE_ID('F', 'L', 'A', 'V')
 
 /**
- * Convert + ASSERT from generic KFile to KFileFlashAvr.
+ * Convert + ASSERT from generic KFile to FlashAvrKFile.
  */
-INLINE KFileFlashAvr * KFILEFLASHAVR(KFile *fd)
+INLINE FlashAvrKFile * FLASHAVRKFILE(KFile *fd)
 {
 	ASSERT(fd->_type == KFT_FLASHAVR);
-	return (KFileFlashAvr *)fd;
+	return (FlashAvrKFile *)fd;
 }
 
 
-void flash_avr_init(struct KFileFlashAvr *fd);
+void flash_avr_init(struct FlashAvrKFile *fd);