Diff: MIP8F_SPI.cpp

Revision:

3:c67b96404016

Parent:

2:944f2968c19f

Child:

5:8cc8e00fed46

--- a/MIP8F_SPI.cpp	Wed Oct 31 02:05:47 2018 +0000
+++ b/MIP8F_SPI.cpp	Tue Nov 06 02:16:10 2018 +0000
@@ -1,7 +1,12 @@
 /**
 * @file MIP8F_SPI.cpp
-* @brief ver3.0 Library source code file: Class for JDI MIP8 display
+* @brief ver4.0 Library source code file: Class for JDI MIP8 display
 * @details
+* Ver4.0 Addtional function is Line buffer version
+* Ver3.0 Addtional function is font display
+* ver2.0 Addtional function is Monochome display by 1bit mode of SPI transfer.
+*
+* <license>
 * Copyright 2018 Japan Display Inc.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -39,64 +44,10 @@
         command(0x02);   // All crear mode
         _cs  = 0;
     */
-
     _FixedFontWidth=0;//setting:actual font width display  if _FixedFontWidth !=1: font fixed witdh
 }
 
 /**
-* @brief  putc
-*/
-int memLCD8::_putc(int value)
-{
-    if (value == '\n') {    // new line
-        char_x = 0;
-        char_y = char_y + font[3];
-        if (char_y >= _height - font[3]) {
-            char_y = 0;
-        }
-    } else {
-        character(char_x, char_y, value);
-    }
-    return value;
-}
-
-int memLCD8::textout(int x,int y,char* text)
-{
-    int i=0;
-    char_x = x;
-    char_y = y;
-
-    while(text[i] != 0x00 )
-    {
-       character(char_x, char_y, text[i]);
-       i++;
-    }
-    return text[i];
-}
-
-int memLCD8::obliqueout(int x,int y,char* text)
-{
-    int i=0;
-    char_x = x;
-    char_y = y;
-
-    while(text[i] != 0x00 )
-    {
-       oblique(char_x, char_y, text[i]);
-       i++;
-    }
-    return text[i];
-}
-
-/**
-* @brief  getc
-*/
-int memLCD8::_getc()
-{
-    return -1;
-}
-
-/**
 * @brief  set font name
 */
 void memLCD8::set_font(unsigned char* f)
@@ -114,19 +65,341 @@
 }
 
 /**
-* @brief  fixed width between charactor and charctor  for font display
+* @brief  setting fixed width between charactor and charctor  for font display
 */
 void memLCD8::set_FixedFontWidth( unsigned char width )
 {
     _FixedFontWidth = width;
 }
+/**
+* @brief  setting Actual width between charactor and charctor  for font display
+*/
 void memLCD8::set_ActualFontWidth(void)
 {
     _FixedFontWidth = 0;
 }
+
 /**
-* @brief  dispay character by bog font.
-* big font is that "char data" byte size is over 0xff.
+* @brief  set Configuration for transfer mode
+* @param[in] int transfermode : instruction the transfer data size ,4bit,3bit,1bit and some parameter
+*/
+void memLCD8::SetTransfermode(int transfermode)
+{
+    switch(transfermode)
+    {
+    case TrBIT4:
+        TrModeCommand = 0x90;
+        TrAdd = 1;
+        TrValNum = 1;
+        break;
+    case TrBIT3:
+        TrModeCommand = 0x80;
+        TrAdd = 4;
+        TrValNum = 3;
+        break;
+    case TrBIT1:
+        TrModeCommand = 0x88;
+        TrAdd = 4;
+        TrValNum = 1;
+        break;
+    }
+}
+
+/**
+* @brief  set a display size ,width ,height
+*/
+void memLCD8::setWH(int width, int height)
+{
+    _width  = width;
+    _height = height;
+}
+
+/**
+* @brief  set color data of foreground
+*/
+void memLCD8::foreground(uint8_t colour)
+{
+    _foreground = colour;
+}
+
+/**
+* @brief  set color data of background
+*/
+void memLCD8::background(uint8_t colour)
+{
+    _background = colour;
+}
+
+/**
+* @brief  set the Diaplay On/Off data
+*/
+void memLCD8::SwDisp(bool ONorOFF)
+{
+    _disp= ONorOFF;
+}
+
+/**
+* @brief  transfer a command code to the display by SPI
+*/
+void memLCD8::command(char command)
+{
+    wait_us(6);
+    _cs  = 1;
+    wait_us(6);
+    _spi.write(command);//
+    _spi.write(0x00);// dummy
+    wait_us(6);
+    _cs  = 0;
+}
+
+/**
+* @brief  putc
+*/
+int memLCD8::_putc(int value)
+{
+    if (value == '\n') {    // new line
+        char_x = 0;
+        char_y = char_y + font[3];
+        if (char_y >= _height - font[3]) {
+            char_y = 0;
+        }
+    }
+#if FRAMEBUFF_MODE
+     else {
+        character(char_x, char_y, value);
+    }
+#endif
+    return value;
+}
+
+/**
+* @brief  getc
+*/
+int memLCD8::_getc()
+{
+    return -1;
+}
+/**
+* @brief  get color data of background
+*/
+unsigned char memLCD8::get_Background(void)
+{
+    return _background;
+}
+/*
+void memLCD8::setmarge(bool ifMarge)
+{
+    _ifMarge = ifMarge;
+}
+*/
+//////////////////////////////////////////////////////////////////////////////
+// line buffer mode
+//////////////////////////////////////////////////////////////////////////////
+#if LINEBUFF_MODE
+/**
+* @brief  Transfer One Pixel Data with x,y allocation Line buffer mode
+* @param[in] int x : horizontal allocation left to right
+* @param[in] uint8_t color : the color data for Drawing  0x0X  x is color data(RGBC) C is not used
+*/
+void memLCD8::pixel(int x, uint8_t color)
+{
+    if(!(x % 2)) _dispLINEBUF[x/2] =  _dispLINEBUF[x/2]&0x0F  |  (color << 4)&0xF0 ;   //MASK 0000 1111
+    else         _dispLINEBUF[x/2] =  _dispLINEBUF[x/2]&0xF0  |  (color     )&0x0F ;   //MASK 1111 0000
+}
+
+/**
+* @brief  Transfer Pixel Data from same Line buffer to Display
+*/
+void memLCD8::writeDISPLinebuffer(void)    // refresh whole display
+{
+
+    char pol = 0;
+    char command = 0x90; // 8b 1*0xNNNN *=POL x=AutoW  A  1010
+
+    // frame
+    for (int i=0; i<_height; i++) {
+        // line
+        wait_us(6);
+        _cs  = 1;
+        wait_us(6);
+        _spi.write(command | (pol << 6) | (i+1)>>8 ); // COMMAND
+        _spi.write((i+1)& 0x00FF ); // V ADDR
+        for(int j=0; j<_width/2; j++) _spi.write(_dispLINEBUF[j]);
+        _spi.write(0x00); // DUMMY transfer
+        _spi.write(0x00); // DUMMY transfer
+        wait_us(6);
+        _cs  = 0;
+        if(pol) pol=0x00;
+        else    pol=0x01;
+    }
+}
+
+/**
+* @brief  Transfer Pixel Data from line buffer to Display
+* @param[in] int line : set line number for display.
+* @param[in] int transfermode : instruction the transfer data size ,4bit,3bit,1bit
+*/
+void memLCD8::writeDISP(int line,int transfermode)    // refresh gate line display
+{
+
+    char pol = 0;
+    //char command = 0x90; // 8b 1*0xNNNN *=POL x=AutoW  A  1010
+    SetTransfermode(transfermode);
+    
+    // frame
+        // line
+        wait_us(6);
+        _cs  = 1;
+        wait_us(6);
+        _spi.write(TrModeCommand | (pol << 6) | (line+1)>>8 ); // COMMAND
+        //pc2.printf("com 0x%x\n",TrModeCommand | (pol << 6) | (i+1)>>8);
+        
+        _spi.write((line+1)& 0x00FF ); // V ADDR
+        //pc2.printf("v adr 0x%x\n",(i+1)& 0x00FF);
+        
+        for(int j=0; j<_width; j+=TrAdd)
+        {
+            GetPixelValueFromLineBuffer(j,_dispLINEBUF);
+            //pc2.printf("data=[%d]{%d][%d]/[%d]\n",j*TrAdd,i,TrValue[0],TrAdd);
+            for(int k=0;k<TrValNum;k++)
+                _spi.write(TrValue[k]);
+        }
+        _spi.write(0x00); // DUMMY transfer
+        _spi.write(0x00); // DUMMY transfer
+//        wait_ms(1);      //1.8Hz simulation
+//        wait_ms(2);      //1.35Hz simulation
+        wait_us(6);
+        _cs  = 0;
+        if(pol) pol=0x00;
+        else    pol=0x01;
+
+}
+
+/**
+* @brief  Get Edited data for SPI transfer from line buffer
+* @param[in] int x : horizontal allocation left to right
+* @param[in] uint8_t* buff : buffer data for Display
+*/
+int* memLCD8::GetPixelValueFromLineBuffer(int _x,uint8_t* buff)
+{
+    //bitmap data = 4bit data => modify transfer data bit size;
+    switch(TrModeCommand)
+    {
+    case 0x90: //TrBIT4:
+        // buffer 2pixel/1byte => 2pixel/1byte  buffe 2byte毎進める。
+        TrValue[0] = _dispLINEBUF[_x];
+        break;
+    case 0x80://TrBIT3:
+        // buffer 2pixel/1byte => 3pixel-1subpixel/1bye (24 pixel/3byte) buffer 3byte毎進める。
+        for(int j=0;j<3;j++) TrValue[j] = 0;
+        //for( int i = 0 ; i<12 ; i--)
+        {
+            //4 bit RGBN(Nは予備) => 3bit RGB
+            if( _width/2 > _x )
+            {
+                TrValue[0] = TrValue[0] | ( ( (_dispLINEBUF[_x    ]&0xE0) ) );
+                TrValue[0] = TrValue[0] | ( ( (_dispLINEBUF[_x    ]&0x0E) ) << 1);
+            }
+            if( _width/2 > _x + 1 )
+            {
+                TrValue[0] = TrValue[0] | ( ( (_dispLINEBUF[_x + 1]&0xC0) ) >> 6);
+
+                TrValue[1] = TrValue[1] | ( ( (_dispLINEBUF[_x + 1]&0x20) ) << 2);
+                TrValue[1] = TrValue[1] | ( ( (_dispLINEBUF[_x + 1]&0x0E) ) << 3);
+            }
+            if( _width/2 > _x + 2 )
+            {
+                TrValue[1] = TrValue[1] | ( ( (_dispLINEBUF[ _x + 2]&0xE0) ) >> 4);
+                TrValue[1] = TrValue[1] | ( ( (_dispLINEBUF[ _x + 2]&0x08) ) >> 3);
+
+                TrValue[2] = TrValue[2] | ( ( (_dispLINEBUF[_x + 2]&0x06) ) << 5);
+            }
+            if( _width/2 > _x + 3 )
+            {
+                TrValue[2] = TrValue[2] | ( ( (_dispLINEBUF[ _x + 3]&0xE0) ) >> 2);
+                TrValue[2] = TrValue[2] | ( ( (_dispLINEBUF[_x + 3]&0x0E) ) >> 1);
+            }    
+        }
+        break;
+    case 0x88://TrBIT1:
+        // buffer 2pixel/1byte => 8 pixel/1byte  buffe 4byte毎進める。
+        for(int j=0;j<3;j++) TrValue[j] = 0;
+        for(int i = 0 ; i<4 ; i++)
+        {
+            //Green bit => monochrome bit
+            if( _width/2 > _x + i )
+            {
+                TrValue[0] = TrValue[0] | ( ( (_dispLINEBUF[_x + i]&0x40) == 0 ? 0 : 1 ) << (7-i*2)   );
+                TrValue[0] = TrValue[0] | ( ( (_dispLINEBUF[_x + i]&0x04) == 0 ? 0 : 1 ) << (7-i*2)-1 );
+                //pc2.printf("[%d+%d][%d]<0x%x>\n",_x,i,_y,_dispBUF[_y* _width/2 + _x + i]);
+            }
+        }
+        break;
+    }
+    return TrValue;   
+}
+
+/**
+* @brief  clear line buffer data by background color data
+*/
+void memLCD8::clsLINEBUF(void)
+{
+
+    for (int j=0; j<_width; j++) {
+        pixel(j,_background);
+    }
+}
+#endif
+//////////////////////////////////////////////////////////////////////////////
+// Frame buffer mode
+//////////////////////////////////////////////////////////////////////////////
+#if FRAMEBUFF_MODE
+
+/**
+* @brief  display the text.
+* @param[in] int x : horizontal allocation , up-left of text
+* @param[in] int y : vertical allocation , bottom-right of text
+* @param[in] char* text : strings
+*/
+int memLCD8::textout(int x,int y,char* text)
+{
+    int i=0;
+    char_x = x;
+    char_y = y;
+
+    while(text[i] != 0x00 )
+    {
+       character(char_x, char_y, text[i]);
+       i++;
+    }
+    return text[i];
+}
+
+/**
+* @brief  display the oblique text.
+* @param[in] int x : horizontal allocation , up-left of text
+* @param[in] int y : vertical allocation , bottom-right of text
+* @param[in] char* text : strings
+*/
+int memLCD8::obliqueout(int x,int y,char* text)
+{
+    int i=0;
+    char_x = x;
+    char_y = y;
+
+    while(text[i] != 0x00 )
+    {
+       oblique(char_x, char_y, text[i]);
+       i++;
+    }
+    return text[i];
+}
+
+/**
+* @brief  dispay a character by bog font. big font is that "char data" byte size is over 0xff.
+* @param[in] int x : horizontal allocation , up-left of text
+* @param[in] int y : vertical allocation , bottom-right of text
+* @param[in] char c : a charactor.
 * 
 */
 void memLCD8::character(int x, int y, int c)
@@ -136,7 +409,7 @@
     unsigned char* zeichen;
     unsigned char z,w;
 
-    if ((c < 32/*31*/) || (c > 127)) return;   // test char range
+    if ((c < 32) || (c > 127)) return;   // test char range
 
     //for big font
     offset0 = font[0];  // bytes / char uppser adress
@@ -171,8 +444,10 @@
 }
 
 /**
-* @brief  dispay oblique typte big font. 
-* 
+* @brief  dispay a oblique typte character by big font. 
+* @param[in] int x : horizontal allocation , up-left of text
+* @param[in] int y : vertical allocation , bottom-right of text
+* @param[in] char c : a charactor.
 */
 void memLCD8::oblique(int x, int y, int c)
 {
@@ -180,7 +455,7 @@
     unsigned int headroffset;// 2018-10-26 added by Y.Saruhashi
     unsigned char* zeichen;
     unsigned char z,w;
-    if ((c < 32/*31*/) || (c > 127)) return;   // test char range
+    if ((c < 32) || (c > 127)) return;   // test char range
 
     //for big font
     offset0 = font[0];  // bytes / char uppser adress
@@ -217,7 +492,6 @@
     else               char_x += hor;
 }
 
-
 /**
 * @brief  dispay the image from symbol data
 */
@@ -250,14 +524,6 @@
     else               char_x += hor;
 }
 
-/*
-void memLCD8::LayerCopy(void)
-{
-    for(int i=0; i<FRAME_SIZE; i++) _LayerBUF[i] = _dispBUF[i];
-
-}
-*/
-
 /**
 * @brief  dispay a circle line by color data
 */
@@ -278,6 +544,7 @@
     } while (x <= 0);
 
 }
+
 /**
 * @brief  dispay a filled circle by color data
 */
@@ -305,7 +572,6 @@
     w = x1 - x0 + 1;
     for (int j=0; j<w; j++) pixel(x0+j, y,color);
 }
-
 /**
 * @brief  dispay a vertical line by color data
 */
@@ -315,6 +581,7 @@
     h = y1 - y0 + 1;
     for (int j=0; j<h; j++) pixel(x, y0+j,color);
 }
+
 /**
 * @brief  dispay a line by color data
 */
@@ -328,7 +595,7 @@
     dx = x1-x0;
     dy = y1-y0;
 
-    if (dx == 0) {        /* vertical line */
+    if (dx == 0) {        // vertical line
         if (y1 > y0) vline(x0,y0,y1,color);
         else vline(x0,y1,y0,color);
         return;
@@ -339,7 +606,7 @@
     } else {
         dx_sym = -1;
     }
-    if (dy == 0) {        /* horizontal line */
+    if (dy == 0) {        // horizontal line
         if (x1 > x0) hline(x0,x1,y0,color);
         else  hline(x1,x0,y0,color);
         return;
@@ -387,7 +654,6 @@
     }
     return;
 }
-
 /**
 * @brief  dispay a rectangle line by color data
 */
@@ -408,7 +674,6 @@
 
     return;
 }
-
 /**
 * @brief  dispay a filled rectangle by color data
 */
@@ -417,40 +682,6 @@
     int h = y1 - y0 + 1;
     for (int i=0; i<h; i++) hline(x0, x1, y0+i, color);
 }
-
-#ifdef LINEBUFF_MODE
-void memLCD8::pixel(int x, uint8_t color)
-{
-    if(!(x % 2)) _dispBUF[x/2] =  _dispBUF[x/2]&0x0F  |  (color << 4)&0xF0 ;   //MASK 0000 1111
-    else         _dispBUF[x/2] =  _dispBUF[x/2]&0xF0  |  (color     )&0x0F ;   //MASK 1111 0000
-}
-//void memLCD8::writeLine(int line)    // refresh gate line display
-void memLCD8::writeDISP(int line,int transfermode)    // refresh gate line display
-{
-
-    char pol = 0;
-    SetTransfermode(transfermode);
-    
-
-    // line
-    wait_us(6);
-    _cs  = 1;
-    wait_us(6);
-    _spi.write(TrModeCommand | (pol << 6) | (line+1)>>8 ); // COMMAND
-    _spi.write((line+1)& 0x00FF ); // V ADDR
-    for(int j=0; j<_width/2; j++) _spi.write(_dispBUF[j]);
-    _spi.write(0x00); // DUMMY transfer
-    _spi.write(0x00); // DUMMY transfer
-//    wait_ms(1);      //1.8Hz simulation
-//    wait_ms(2);      //1.35Hz simulation
-    wait_us(6);
-    _cs  = 0;
-    if(pol) pol=0x00;
-    else    pol=0x01;
-}
-#endif
-
-#ifndef LINEBUFF_MODE
 /**
 * @brief  Transfer One Pixel Data with x,y allocation
 * @param[in] int x : horizontal allocation left to right
@@ -464,113 +695,10 @@
 }
 
 /**
-* @brief  Transfer Pixel Data from buffer to Display
-* @param[in] int transfermode : instruction the transfer data size ,4bit,3bit,1bit
-*/
-void memLCD8::writeDISP(int transfermode)    // refresh whole display
-{
-    char pol = 0;
-    //char command = 0x90; // 8b 1*0xNNNN *=POL x=AutoW  A  1010
-    SetTransfermode(transfermode);
-    
-    // frame
-    for (int i=0; i<_height; i++) {
-        // line
-        wait_us(6);
-        _cs  = 1;
-        wait_us(6);
-        _spi.write(TrModeCommand | (pol << 6) | (i+1)>>8 ); // COMMAND
-        //pc2.printf("com 0x%x\n",TrModeCommand | (pol << 6) | (i+1)>>8);
-        
-        _spi.write((i+1)& 0x00FF ); // V ADDR
-        //pc2.printf("v adr 0x%x\n",(i+1)& 0x00FF);
-        
-        for(int j=0; j<_width; j+=TrAdd)
-        {
-            GetPixelValue(j,i,_dispBUF);
-            //pc2.printf("data=[%d]{%d][%d]/[%d]\n",j*TrAdd,i,TrValue[0],TrAdd);
-            for(int k=0;k<TrValNum;k++)
-                _spi.write(TrValue[k]);
-        }
-        _spi.write(0x00); // DUMMY transfer
-        _spi.write(0x00); // DUMMY transfer
-//        wait_ms(1);      //1.8Hz simulation
-//        wait_ms(2);      //1.35Hz simulation
-        wait_us(6);
-        _cs  = 0;
-        if(pol) pol=0x00;
-        else    pol=0x01;
-    }
-}
-void memLCD8::writeDISP(int startline , int endline , int transfermode)    // refresh display selected line
-{
-    char pol = 0;
-    //char command = 0x90; // 8b 1*0xNNNN *=POL x=AutoW  A  1010
-    SetTransfermode(transfermode);
-    
-    // frame
-    for (int i=startline; i<=endline; i++) {
-        // line
-        wait_us(6);
-        _cs  = 1;
-        wait_us(6);
-        _spi.write(TrModeCommand | (pol << 6) | (i+1)>>8 ); // COMMAND
-        //pc2.printf("com 0x%x\n",TrModeCommand | (pol << 6) | (i+1)>>8);
-        
-        _spi.write((i+1)& 0x00FF ); // V ADDR
-        //pc2.printf("v adr 0x%x\n",(i+1)& 0x00FF);
-        
-        for(int j=0; j<_width; j+=TrAdd)
-        //for(int j=0; j<100; j+=TrAdd)
-        {
-            GetPixelValue(j,i,_dispBUF);
-            //pc2.printf("data=[%d]{%d][%d]/[%d]\n",j*TrAdd,i,TrValue[0],TrAdd);
-            for(int k=0;k<TrValNum;k++)
-                _spi.write(TrValue[k]);
-        }
-        _spi.write(0x00); // DUMMY transfer
-        _spi.write(0x00); // DUMMY transfer
-//        wait_ms(1);      //1.8Hz simulation
-//        wait_ms(2);      //1.35Hz simulation
-        wait_us(6);
-        _cs  = 0;
-        if(pol) pol=0x00;
-        else    pol=0x01;
-    }
-}
-//old function
-void memLCD8::writeDISP(void)    // refresh whole display
-{
-
-    char pol = 0;
-    char command = 0x90; // 8b 1*0xNNNN *=POL x=AutoW  A  1010
-
-    // frame
-    for (int i=0; i<_height; i++) {
-        // line
-        wait_us(6);
-        _cs  = 1;
-        wait_us(6);
-        _spi.write(command | (pol << 6) | (i+1)>>8 ); // COMMAND
-        _spi.write((i+1)& 0x00FF ); // V ADDR
-        for(int j=0; j<_width/2; j++) _spi.write(_dispBUF[i*_width/2 + j]);
-        _spi.write(0x00); // DUMMY transfer
-        _spi.write(0x00); // DUMMY transfer
-//        wait_ms(1);      //1.8Hz simulation
-//        wait_ms(2);      //1.35Hz simulation
-        wait_us(6);
-        _cs  = 0;
-        if(pol) pol=0x00;
-        else    pol=0x01;
-    }
-}
-#endif
-
-/**
 * @brief  Get Edited data for SPI transfer
-* @param[in] int x:horizontal allocation left to right
-* @param[in] int y:vertival allocation top to bottom
-* @param[in] uint8_t* buff:buffer data for Display
+* @param[in] int x : horizontal allocation left to right
+* @param[in] int y : vertival allocation top to bottom
+* @param[in] uint8_t* buff : buffer data for Display
 */
 int* memLCD8::GetPixelValue(int _x, int _y ,uint8_t* buff)
 {
@@ -632,28 +760,112 @@
 }
 
 /**
-* @brief  set Configuration for transfer mode
-* @param[in] int transfermode : instruction the transfer data size ,4bit,3bit,1bit and some parameter
+* @brief  Transfer Pixel Data from buffer to Display
+* @param[in] int transfermode : instruction the transfer data size ,4bit,3bit,1bit
 */
-void memLCD8::SetTransfermode(int transfermode)
+void memLCD8::writeDISP(int transfermode)    // refresh whole display
+{
+    char pol = 0;
+    //char command = 0x90; // 8b 1*0xNNNN *=POL x=AutoW  A  1010
+    SetTransfermode(transfermode);
+    
+    // frame
+    for (int i=0; i<_height; i++) {
+        // line
+        wait_us(6);
+        _cs  = 1;
+        wait_us(6);
+        _spi.write(TrModeCommand | (pol << 6) | (i+1)>>8 ); // COMMAND
+        //pc2.printf("com 0x%x\n",TrModeCommand | (pol << 6) | (i+1)>>8);
+        
+        _spi.write((i+1)& 0x00FF ); // V ADDR
+        //pc2.printf("v adr 0x%x\n",(i+1)& 0x00FF);
+        
+        for(int j=0; j<_width; j+=TrAdd)
+        {
+            GetPixelValue(j,i,_dispBUF);
+            //pc2.printf("data=[%d]{%d][%d]/[%d]\n",j*TrAdd,i,TrValue[0],TrAdd);
+            for(int k=0;k<TrValNum;k++)
+                _spi.write(TrValue[k]);
+        }
+        _spi.write(0x00); // DUMMY transfer
+        _spi.write(0x00); // DUMMY transfer
+//        wait_ms(1);      //1.8Hz simulation
+//        wait_ms(2);      //1.35Hz simulation
+        wait_us(6);
+        _cs  = 0;
+        if(pol) pol=0x00;
+        else    pol=0x01;
+    }
+}
+
+/**
+* @brief  Transfer Pixel Data  : from Start line number to Display of frame buffer
+* @param[in] int startline : Start line number to Display
+* @param[in] int endline : end line number to Display
+* @param[in] int transfermode : instruction the transfer data size ,4bit,3bit,1bit
+*/
+void memLCD8::writeDISP(int startline , int endline , int transfermode)    // refresh display selected line
 {
-    switch(transfermode)
-    {
-    case TrBIT4:
-        TrModeCommand = 0x90;
-        TrAdd = 1;
-        TrValNum = 1;
-        break;
-    case TrBIT3:
-        TrModeCommand = 0x80;
-        TrAdd = 4;
-        TrValNum = 3;
-        break;
-    case TrBIT1:
-        TrModeCommand = 0x88;
-        TrAdd = 4;
-        TrValNum = 1;
-        break;
+    char pol = 0;
+    //char command = 0x90; // 8b 1*0xNNNN *=POL x=AutoW  A  1010
+    SetTransfermode(transfermode);
+    
+    // frame
+    for (int i=startline; i<=endline; i++) {
+        // line
+        wait_us(6);
+        _cs  = 1;
+        wait_us(6);
+        _spi.write(TrModeCommand | (pol << 6) | (i+1)>>8 ); // COMMAND
+        //pc2.printf("com 0x%x\n",TrModeCommand | (pol << 6) | (i+1)>>8);
+        
+        _spi.write((i+1)& 0x00FF ); // V ADDR
+        //pc2.printf("v adr 0x%x\n",(i+1)& 0x00FF);
+        
+        for(int j=0; j<_width; j+=TrAdd)
+        //for(int j=0; j<100; j+=TrAdd)
+        {
+            GetPixelValue(j,i,_dispBUF);
+            //pc2.printf("data=[%d]{%d][%d]/[%d]\n",j*TrAdd,i,TrValue[0],TrAdd);
+            for(int k=0;k<TrValNum;k++)
+                _spi.write(TrValue[k]);
+        }
+        _spi.write(0x00); // DUMMY transfer
+        _spi.write(0x00); // DUMMY transfer
+//        wait_ms(1);      //1.8Hz simulation
+//        wait_ms(2);      //1.35Hz simulation
+        wait_us(6);
+        _cs  = 0;
+        if(pol) pol=0x00;
+        else    pol=0x01;
+    }
+}
+
+/**
+* @brief  Transfer Pixel Data from frame buffer to Display
+*/
+void memLCD8::writeDISP(void)    // refresh whole display
+{
+
+    char pol = 0;
+    char command = 0x90; // 8b 1*0xNNNN *=POL x=AutoW  A  1010
+
+    // frame
+    for (int i=0; i<_height; i++) {
+        // line
+        wait_us(6);
+        _cs  = 1;
+        wait_us(6);
+        _spi.write(command | (pol << 6) | (i+1)>>8 ); // COMMAND
+        _spi.write((i+1)& 0x00FF ); // V ADDR
+        for(int j=0; j<_width/2; j++) _spi.write(_dispBUF[i*_width/2 + j]);
+        _spi.write(0x00); // DUMMY transfer
+        _spi.write(0x00); // DUMMY transfer
+        wait_us(6);
+        _cs  = 0;
+        if(pol) pol=0x00;
+        else    pol=0x01;
     }
 }
 
@@ -669,66 +881,5 @@
         }
     }
 }
-
-/**
-* @brief  set color data of foreground
-*/
-void memLCD8::foreground(uint8_t colour)
-{
-    _foreground = colour;
-}
-
-/**
-* @brief  set color data of background
-*/
-void memLCD8::background(uint8_t colour)
-{
-    _background = colour;
-}
-
-/**
-* @brief  get color data of background
-*/
-
-unsigned char memLCD8::get_Background(void)
-{
-    return _background;
-}
+#endif
 
-/*
-void memLCD8::setmarge(bool ifMarge)
-{
-    _ifMarge = ifMarge;
-}
-*/
-
-/**
-* @brief  set a display size ,width ,height
-*/
-void memLCD8::setWH(int width, int height)
-{
-    _width  = width;
-    _height = height;
-}
-
-/**
-* @brief  transfer a command code to the display by SPI
-*/
-void memLCD8::command(char command)
-{
-    wait_us(6);
-    _cs  = 1;
-    wait_us(6);
-    _spi.write(command);//
-    _spi.write(0x00);// dummy
-    wait_us(6);
-    _cs  = 0;
-}
-/**
-* @brief  set the Diaplay On/Off data
-*/
-void memLCD8::SwDisp(bool ONorOFF)
-{
-    _disp= ONorOFF;
-}
-