diff --git a/libraries/oleddrv/DrawText.c b/libraries/oleddrv/DrawText.c
deleted file mode 100644
--- a/libraries/oleddrv/DrawText.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*******************************************************************************
-* File Name          : DrawText.c
-* Author             : lxyppc
-* Version            : V1.0
-* Date               : 10-01-21
-* Description        : Text output implemention file
-*******************************************************************************/
-
-/* Includes ------------------------------------------------------------------*/
-#include "DrawText.h"
-#include "font.h"
-#include "SSD1303.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-Pos_t  DrawChar(Device* pDev, Pos_t x, Pos_t y, char ch);
-
-/*******************************************************************************
-* Function Name  : TextOut
-* Description    : Output a text at specify position
-* Input          : Device*          device
-*                  Pos_t            x location
-*                  Pos_t            y location
-*                  char*            text
-*                  Size_t           text length
-* Output         : None
-* Return         : End x position for the last character
-*******************************************************************************/
-Pos_t  TextOut(Device* pDev, Pos_t x, Pos_t y, const char* text, Size_t len)
-{
-  while(*text && len){
-    x += DrawChar(pDev,x,y,*text);
-    text++;
-    len--;
-  }
-  return x;
-}
-
-/*******************************************************************************
-* Function Name  : HightLightArea
-* Description    : Hight Light the specify Area
-* Input          : Device*          device
-*                  Pos_t            x location
-*                  Pos_t            y location
-                   Pos_t            width
-*                  Pos_t            length
-* Output         : None
-* Return         : End x position for the last character
-*******************************************************************************/
-unsigned long HightLightArea(
-  Pos_t x,
-  Pos_t y,
-  Pos_t cx,
-  Pos_t cy)
-{
-  return SSD1303_DrawBlock(x,y,cx,cy,0);
-}
-
-/*******************************************************************************
-* Function Name  : TextOut_HighLight
-* Description    : Output a text at specify position, then hight them
-* Input          : Device*          device
-*                  Pos_t            x location
-*                  Pos_t            y location
-*                  char*            text
-*                  Size_t           text length
-* Output         : None
-* Return         : End x position for the last character
-*******************************************************************************/
-unsigned long  TextOut_HighLight(
-  Device* pDev,
-  Pos_t x,
-  Pos_t y,
-  const char* text,
-  Size_t len)
-{
-  Pos_t res = TextOut(pDev, x, y, text, len);
-  SSD1303_DrawBlock(x,y,res-x,GetFontTextHeight(pDev->pfnFont,*text),0);
-  return res;
-}
-
-/*******************************************************************************
-* Function Name  : SpecTextOut_HighLight
-* Description    : Output a specify text at specify position then high light them
-* Input          : Device*          device
-*                  Pos_t            x location
-*                  Pos_t            y location
-*                  const FontData*  text dotmatrix data
-*                  Size_t           text length
-* Output         : None
-* Return         : End x position for the last character
-*******************************************************************************/
-unsigned long SpecTextOut_HighLight(
-  Device* pDev,
-  Pos_t x,
-  Pos_t y,
-  const pfnFontDrawChar pfnFont,
-  Size_t len)
-{
-  Pos_t res = SpecTextOut(pDev, x, y, pfnFont, len);
-  SSD1303_DrawBlock(x,y,res-x,GetFontTextHeight(pfnFont,0),0);
-  return res;
-}
-
-/*******************************************************************************
-* Function Name  : SpecTextOut
-* Description    : Output a specify text at specify position
-* Input          : Device*          device
-*                  Pos_t            x location
-*                  Pos_t            y location
-*                  const FontData*  text dotmatrix data
-*                  Size_t           text length
-* Output         : None
-* Return         : End x position for the last character
-*******************************************************************************/
-Pos_t SpecTextOut(Device* pDev, Pos_t x, Pos_t y,const pfnFontDrawChar pfnFont, Size_t len)
-{
-  pfnFontDrawChar old = pDev->pfnFont;
-  pDev->pfnFont = pfnFont;
-  for(unsigned long i=0;i<len;i++){
-    x += DrawChar(pDev,x,y,i);
-  }
-  pDev->pfnFont = old;
-  return x;
-}
-
-/*******************************************************************************
-* Function Name  : DrawChar
-* Description    : Output a character at specify position
-* Input          : Device*          device
-*                  Pos_t            x location
-*                  Pos_t            y location
-*                  char             character
-* Output         : None
-* Return         : End x position for the last character
-*******************************************************************************/
-Pos_t  DrawChar(Device* pDev, Pos_t x, Pos_t y, char ch)
-{
-  return pDev->pfnFont(pDev->pDevProp->pfnDrawBlok,x,y,(unsigned char)ch);
-  //FontData ft = &pDev->font[ch];
-  //pDev->pDevProp->pfnDrawBlok(x,y,ft->width,ft->height,ft->data);
-  //return ft->width;
-}
-
-/*******************************************************************************
-* Function Name  : InitialDevice
-* Description    : Initialize the device strcture
-* Input          : const DeviceProp*  device properties
-*                  const FontData*    font
-* Output         : Device*          device pointer
-* Return         : End x position for the last character
-*******************************************************************************/
-void  InitialDevice(Device* pDev, const DeviceProp* pDevProp, pfnFontDrawChar pfnFont)
-{
-  pDev->pDevProp = pDevProp;
-  pDev->pfnFont = pfnFont;
-  pDev->curX = 0;
-  pDev->curY = 0;
-}
-
-/*******************************************************************************
-* Function Name  : SetPoint
-* Description    : Draw a point at specify position
-* Input          : Device*          device
-*                  Pos_t            x location
-*                  Pos_t            y location
-* Output         : None
-* Return         : End x position for the last character
-*******************************************************************************/
-unsigned long SetPoint(
-  Device* pDev,
-  Pos_t x,
-  Pos_t y)
-{
-  return pDev->pDevProp->pfnDrawPoint(x,y,1);
-}
-
-/*******************************************************************************
-* Function Name  : ClearPoint
-* Description    : Clear a point at specify position
-* Input          : Device*          device
-*                  Pos_t            x location
-*                  Pos_t            y location
-* Output         : None
-* Return         : End x position for the last character
-*******************************************************************************/
-unsigned long ClearPoint(
-  Device* pDev,
-  Pos_t x,
-  Pos_t y)
-{
-  return pDev->pDevProp->pfnDrawPoint(x,y,0);
-}