lcddrv.c

MTK手机平台的MMI部分的源代码

    LCDrCtrlWrite(LCDrDATCTL);

    LCDrDataWrite(0x2); /* Column direction, Normal dis */
    LCDrDataWrite(0x1); /* RGB Arrangement */
    LCDrDataWrite(0x4); /* 16bit mode for RGB type B */
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrClearAll(void)
   Description:  This function clears LCD RAM buffer to 00H.
   Input      :  NULL
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrClearAll
 * DESCRIPTION
 *  
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void LCDrClearAll(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    LCDrblockClear(0, 0, LCDrWIDTH - 1, LCDrHEIGHT - 1);
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrblockClear(uint16 x1,uint16 y1,uint16 x2,uint16 y2)
   Description:  This function writes 0x00H in LCD RAM buffer from x1, y1 to x2, y2 location.
   Input      :  x1, x2 (column addres)
   y1, y2 (page address)
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrblockClear
 * DESCRIPTION
 *  
 * PARAMETERS
 *  x1      [IN]        
 *  y1      [IN]        
 *  x2      [IN]        
 *  y2      [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void LCDrblockClear(uint16 x1, uint16 y1, uint16 x2, uint16 y2)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    uint16 LCDrx;
    uint16 LCDry;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    LCDrSetPageAddr((uint8) y1, (uint8) y2);
    LCDrSetColAddr((uint8) x1, (uint8) x2);
    LCDrWrStart();
    for (LCDry = y1; LCDry <= y2; LCDry++)      /* Y Coordinate Page Addresses */
        for (LCDrx = x1; LCDrx <= x2; LCDrx++)  /* X Coordinate Column Addresses */
        {
            LCDrRAMWrite(0x0F00);
        }
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrDrawRectangle(uint16 x1,uint16 y1,uint16 x2,uint16 y2, uint16 data)
   Description:  This function draw rectangle on the LCD from location x1, y1 to x2, y2 with data.
   Input      :  x1, x2
   y1, y2
   data  
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrDrawRectangle
 * DESCRIPTION
 *  
 * PARAMETERS
 *  x1          [IN]        
 *  y1          [IN]        
 *  x2          [IN]        
 *  y2          [IN]        
 *  data        [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void LCDrDrawRectangle(uint16 x1, uint16 y1, uint16 x2, uint16 y2, uint16 data)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    uint16 LCDrx;
    uint16 LCDry;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    LCDrSetPageAddr((uint8) y1, (uint8) y2);    /* Page Address */
    LCDrSetColAddr((uint8) x1, (uint8) x2);     /* Column Address */
    LCDrWrStart();                              /* Write Command */
    for (LCDry = y1; LCDry <= y2; LCDry++)      /* Filling the LCD RAM */
        for (LCDrx = x1; LCDrx <= x2; LCDrx++)
        {

            LCDrRAMWrite(data);
        }
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrBlockWrite(uint16 x1,uint16 y1,uint16 x2,uint16 y2)
   Description:  This function writes in LCD RAM from location x1, y1 to x2, y2 of shadow buffer.
   Input      :  x1, x2
   y1, y2
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrBlockWrite
 * DESCRIPTION
 *  
 * PARAMETERS
 *  x1      [IN]        
 *  y1      [IN]        
 *  x2      [IN]        
 *  y2      [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void LCDrBlockWrite(uint16 x1, uint16 y1, uint16 x2, uint16 y2)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    uint16 LCDrx;
    uint16 LCDry;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    LCDrSetPageAddr((uint8) y1, (uint8) y2);    /* Page Address */
    LCDrSetColAddr((uint8) x1, (uint8) x2);     /* Column Address */
    LCDrWrStart();                              /* Write Command */
    for (LCDry = y1; LCDry <= y2; LCDry++)      /* Filling the LCD RAM */
        for (LCDrx = x1; LCDrx <= x2; LCDrx++)
        {
            LCDrRAMWrite(gShadowBuffer[LCDry][LCDrx]);
            /* LCDrDelay(); */
        }
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrblockRead(uint16 x1,uint16 y1,uint16 x2,uint16 y2)
   Description:  This function reads data from LCD RAM from location x1, y1 to x2, y2 in shadow buffer.
   Input      :  x1, x2
   y1, y2
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrblockRead
 * DESCRIPTION
 *  
 * PARAMETERS
 *  x1      [IN]        
 *  y1      [IN]        
 *  x2      [IN]        
 *  y2      [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void LCDrblockRead(uint16 x1, uint16 y1, uint16 x2, uint16 y2)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    uint16 LCDrx;
    uint16 LCDry;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    LCDrSetPageAddr((uint8) y1, (uint8) y2);
    LCDrSetColAddr((uint8) x1, (uint8) x2);
    LCDrRdStart();
    for (LCDry = y1; LCDry <= y2; LCDry++)
        for (LCDrx = x1; LCDrx <= x2; LCDrx++)
        {
            /* gShadowBuffer[LCDrx][LCDry]=LCDrbg; */
            LCDrRAMRead(gShadowBuffer[LCDry][LCDrx]);
        }
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrSetPageAddr(uint8 startPage, uint8 endPage)
   Description:  This function sets start and end page address for LCD RAM read or write.
   Input      :  start
   stop page address
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrSetPageAddr
 * DESCRIPTION
 *  
 * PARAMETERS
 *  startPage       [IN]        
 *  endPage         [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void LCDrSetPageAddr(uint8 startPage, uint8 endPage)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    LCDrCtrlWrite(LCDrPASET);
    LCDrDataWrite(startPage);
    LCDrDataWrite(endPage);
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrSetColAddr(uint8 startColumn, uint8 endColumn)
   Description:  This function sets start and end column address for LCD RAM read or write.
   Input      :  start
   stop column address
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrSetColAddr
 * DESCRIPTION
 *  
 * PARAMETERS
 *  startColumn     [IN]        
 *  endColumn       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void LCDrSetColAddr(uint8 startColumn, uint8 endColumn)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    LCDrCtrlWrite(LCDrCASET);
    LCDrDataWrite(startColumn);
    LCDrDataWrite(endColumn);
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrDISPartial(uint8 startBlock, uint8 endBlock)
   Description:  This function display the partial LCD RAM content specified by start and end block address.
   Input      :  start and end block address
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrDISPartial
 * DESCRIPTION
 *  
 * PARAMETERS
 *  startBlock      [IN]        
 *  endBlock        [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void LCDrDISPartial(uint8 startBlock, uint8 endBlock)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    LCDrCtrlWrite(LCDrPTLIN);
    LCDrDataWrite(startBlock);
    LCDrDataWrite(endBlock);
}

/* ----------------------------------------------------------------------------
   Function   :  void LCDrDISPartialExit(void)
   Description:  This function is called to exit from the partial mode.
   Input      :  NULL
   Output     :  None
   ------------------------------------------------------------------------------- */


/*****************************************************************************
 * FUNCTION
 *  LCDrDISPartialExit