X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Favr%2Fdrv%2Fflash_avr.h;h=0897132c358809eb3c024c0c9779a739479a7345;hb=32d1445272120a254d77ce8d1af1f527da7a2c17;hp=91de1e3cbfa9b8fc975c6aa3292c2a59bf6b6312;hpb=53bac51847532da4abee46a78f420865d5952469;p=bertos.git

diff --git a/bertos/cpu/avr/drv/flash_avr.h b/bertos/cpu/avr/drv/flash_avr.h
index 91de1e3c..0897132c 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 FlashAvr
 {
-	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];
+
+
+} FlashAvr;
 
 
 
@@ -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 FlashAvr.
  */
-INLINE KFileFlashAvr * KFILEFLASHAVR(KFile *fd)
+INLINE FlashAvr * FLASHAVR_CAST(KFile *fd)
 {
 	ASSERT(fd->_type == KFT_FLASHAVR);
-	return (KFileFlashAvr *)fd;
+	return (FlashAvr *)fd;
 }
 
 
-void flash_avr_init(struct KFileFlashAvr *fd);
+void flash_avr_init(struct FlashAvr *fd);