diff --git a/ssd1306.h b/ssd1306.h
--- a/ssd1306.h
+++ b/ssd1306.h
@@ -1,17 +1,17 @@
-#ifndef   SSD1303_H
-#define   SSD1303_H
+#ifndef   ssd1306_H
+#define   ssd1306_H
 #include "DrawText.h"
 
-void  SSD1303_Init(void);
+void  ssd1306_Init(void);
 void  StartPageTransfer(void);
-extern  const DeviceProp  SSD1303_Prop;
-unsigned long SSD1303_DrawBlock(Pos_t x, Pos_t y, Pos_t cx, Pos_t cy, const unsigned char* data);
-unsigned long SSD1303_IsOn(void);
-unsigned long SSD1303_TurnOff(void);
-unsigned long SSD1303_TurnOn(void);
-unsigned char SSD1303_SetContrast(unsigned char contrast);
-unsigned char SSD1303_GetContrast();
-unsigned char* SSD1303_GetBuffer();
-unsigned long SSD1303_DrawPoint(Pos_t x, Pos_t y, Color_t color);
+extern  const DeviceProp  ssd1306_Prop;
+unsigned long ssd1306_DrawBlock(Pos_t x, Pos_t y, Pos_t cx, Pos_t cy, const unsigned char* data);
+unsigned long ssd1306_IsOn(void);
+unsigned long ssd1306_TurnOff(void);
+unsigned long ssd1306_TurnOn(void);
+unsigned char ssd1306_SetContrast(unsigned char contrast);
+unsigned char ssd1306_GetContrast();
+unsigned char* ssd1306_GetBuffer();
+unsigned long ssd1306_DrawPoint(Pos_t x, Pos_t y, Color_t color);
 
 #endif