NG YU JIE
Adafruit ssd1331 OLED 96x64 SPI model
Fork of
OledLib
by 
tetsuya noguchi
Diff: spioled96x64.cpp
- Revision:
- 0:94eac1a165ab
- Child:
- 2:e331851128c1
diff -r 000000000000 -r 94eac1a165ab spioled96x64.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/spioled96x64.cpp Tue Jan 11 07:29:40 2011 +0000
@@ -0,0 +1,475 @@
+// ALO-095BWNN-J9 test program
+// See also "http://www.aitendo.co.jp/product/2099"
+
+
+#include "mbed.h"
+#include "spioled96x64.h"
+
+//Serial pc(USBTX, USBRX);
+#define countof(x) ( sizeof(x) / sizeof(x[0]) )
+
+
+// コンストラクタ
+SPIOLED96x64::SPIOLED96x64(PinName cs_pin, PinName rst_pin, PinName a0_pin, PinName mosi_pin, PinName miso_pin, PinName sclk_pin)
+ : CS(cs_pin), RES(rst_pin), DC(a0_pin), spi(mosi_pin, miso_pin, sclk_pin)
+{
+ Init();
+}
+
+// イニシャライザ
+void SPIOLED96x64::Init(void)
+{
+
+ spi.format(8,3); //8bit frame and POL=1 /PHA=1(UpEdge Sampled)
+ spi.frequency(25000000); // modify later
+
+ // reset
+ wait_ms(200);
+ RES = 0; //Reset active
+ wait_ms(200);
+ RES = 1;
+
+
+ // initialize sequence
+ RegWrite(0xae); //OLED display OFF
+
+ //Row Address
+ RegWrite(0x75); /* Set Row Address */
+ RegWrite(0x00); /* Start = 0 */
+ RegWrite(0x3f); /* End = 63 */
+ RegWrite(0x15); /* Set Column Address */
+ RegWrite(0x00); /* Start = 0 */
+ RegWrite(0x5F); /* End = 95 */
+
+ //Contrast
+ RegWrite(0xa0); //Set remap & data format 0111 0000
+ RegWrite(0x74); // 65k Color/8bit buswidth/format1
+ RegWrite(0xa1); //set display start row RAM
+ RegWrite(0x00);
+ RegWrite(0xa2); //set dispaly offset
+ RegWrite(0x00);
+ RegWrite(0xa4); //Set Display Mode
+ RegWrite(0xa8); //Set Multiplex Ratio
+ RegWrite(0x3f);
+ RegWrite(0xad); //Set Master Configuration
+ RegWrite(0x8f); //(External VCC Supply Selected)
+ RegWrite(0xB0); //Set Power Saving Mode
+ RegWrite(0x1a);
+ RegWrite(0xB1); //Set Phase 1 & 2 Period Adjustment
+ RegWrite(0x74);
+ RegWrite(0xb3); //Set Display Clock Divide Ratio / Oscillator Frequency
+ RegWrite(0xd0);
+ RegWrite(0x8A); //Set Second Pre-charge Speed of Color A
+ RegWrite(0x81);
+ RegWrite(0x8B); //Set Second Pre-charge Speed of Color B
+ RegWrite(0x82);
+ RegWrite(0x8C); //Set Second Pre-charge Speed of Color C
+ RegWrite(0x83);
+ RegWrite(0xBB); //Set Pre-charge Level
+ RegWrite(0x3e);
+ RegWrite(0xBE); //Set VCOMH
+ RegWrite(0x3e);
+ RegWrite(0x87); //Set Master Current Control
+ RegWrite(0x0f);
+ RegWrite(0x81); //Set Contrast Control for Color gAh
+ RegWrite(0x80);
+ RegWrite(0x82); //Set Contrast Control for Color gBh
+ RegWrite(0x80);
+ RegWrite(0x83); //Set Contrast Control for Color gCh
+ RegWrite(0x80);
+ RegWrite(0xaf); //display ON
+
+ x_locate = 0;
+ y_locate = 0;
+ chr_size = CS_NORMAL;
+ Fill_Screen(0);
+}
+
+// レジスタライト
+void SPIOLED96x64::RegWrite(unsigned char Command)
+{
+ DC = 0; // Command
+ CS = 0; // CS active(toggle OLED)
+ spi.write(Command);
+ CS = 1;
+}
+
+
+// データライト
+void SPIOLED96x64::DataWrite(unsigned char c)
+{
+ DC = 1; // DATA
+ CS = 0; // CS active(toggle OLED)
+ spi.write(c);
+ CS = 1;
+}
+
+// 16ビット書き込み
+void SPIOLED96x64::DataWrite_to(unsigned int Dat)
+{
+ DataWrite((unsigned char)((Dat >> 8)& 0x00ff));
+ DataWrite((unsigned char)(Dat & 0x00ff));
+}
+
+
+
+// 指定座標に指定色でドット描画
+void SPIOLED96x64::Draw_Dot(int x,int y,unsigned int Color)
+{
+ if ( (x<0)||( x > Dis_X_MAX )
+ ||(y<0)||( y > Dis_Y_MAX ) ) return ;
+
+ RegWrite(0x15);
+ RegWrite((unsigned char)x); // Column Start Address
+ RegWrite((unsigned char)x); // Column End Address
+ RegWrite(0x75);
+ RegWrite((unsigned char)y); // Row Start Address
+ RegWrite((unsigned char)y); // Row End Address
+ DataWrite_to(Color);
+ DataWrite_to(Color);
+}
+
+
+
+void SPIOLED96x64::ChangeFontColor(unsigned int color)
+{
+ Char_Color = color;
+}
+void SPIOLED96x64::ChangeBGColor(unsigned int color)
+{
+ BGround_Color = color;
+}
+
+
+// CS_NORMAL/CS_WIDE/CS_HIGH/CS_WH
+void SPIOLED96x64::SetFontSize(int Csize)
+{
+ chr_size = Csize;
+}
+// 縦横の倍率変化量を返す
+void SPIOLED96x64::CS_Conv(int *lpx,int *lpy)
+{
+ switch( chr_size ){
+ case CS_WIDE:
+ *lpx=2;
+ *lpy=1;
+ break;
+ case CS_HIGH:
+ *lpx=1;
+ *lpy=2;
+ break;
+ case CS_WH :
+ *lpx=2;
+ *lpy=2;
+ break;
+ case CS_WHx36 :
+ *lpx=6;
+ *lpy=6;
+ break;
+ case CS_NORMAL:
+ default:
+ *lpx=1;
+ *lpy=1;
+ break;
+ }
+
+}
+
+// 全角キャラクタの描画処理
+// アスキーキャラクタの位置指定表示(5x7dotフォント)
+// フォントの特性上、最上位ビットから順に↑方向に記述される
+void SPIOLED96x64::PutChar(int x,int y,unsigned int a)
+{
+ int i,j;
+ unsigned char Temp=0;
+ int lpx, lpy, k,l;
+ int xw;
+ j = 0;
+ i = 0;
+
+ CS_Conv(&lpx, &lpy);
+ if ( a < 0x80 ) { xw = 5; if(a < 32)a=32; } // ASCII
+ else xw = X_Witch; // Kanji
+
+ for(i=0; i<xw; i++){
+ for ( l=0;l<lpx;l++){
+ if ( a < 0x80 ) Temp = FontLookup_ABC[a-32][i]; // ASCII
+ else Temp = FontLookup[a][i]; // Kanji
+
+ for(j=Y_Witch;j!=0;j--){
+ for ( k=0;k<lpy;k++){
+ if((Temp & 0x80)==0x80){
+ Draw_Dot(x+(i*lpx)+l,y+(j*lpy)-k,Char_Color);
+ }else{
+ Draw_Dot(x+(i*lpx)+l,y+(j*lpy)-k,BGround_Color);
+ }
+ }
+ Temp = Temp << 1;
+ }
+ }
+ }
+}
+
+
+// 純粋仮想関数でputcを実現
+int SPIOLED96x64::_putc( int c )
+{
+ static bool kstate = false;
+ static unsigned int kbuf = 0;
+ unsigned int p;
+ int lpx, lpy, w;
+
+ if(!kstate && ((0x81 <= c && c <= 0x9f) || (0xe0 <= c && c <= 0xfc))){
+ kstate = true;
+ kbuf = c;
+ return c;
+ }
+
+ if(kstate){ // 2nd byte of shift-jis
+ kstate = false;
+ p = findface(kbuf << 8 | c);
+ w = X_Witch;
+ } else {
+ p = c;
+ w = 6; // 半角は近接するので、１ドットあける
+ }
+ PutChar( x_locate , y_locate ,p);
+ CS_Conv(&lpx, &lpy);
+ x_locate += (w*lpx);
+
+
+ /*
+ if(kstate== false){
+ //画面右端でのクリッピング
+ if(x_locate + (xsize - 1) >= Dis_X_MAX){
+ x_locate = 0;
+ y_locate += Y_Witch;
+ if(y_locate >= Dis_Y_MAX) y_locate=0;
+ }
+ }
+ */
+ return c;
+}
+
+int SPIOLED96x64::_getc()
+{
+ return -1;
+}
+void SPIOLED96x64::puts( char *s )
+{
+ unsigned char c;
+ while((c = *s++) != '\0') putc((int)c & 0xff);
+}
+
+
+
+void SPIOLED96x64::locate(int column, int row)
+{
+ x_locate = column;
+ y_locate = row;
+}
+
+int SPIOLED96x64::row()
+{
+ return y_locate;
+}
+int SPIOLED96x64::column()
+{
+ return x_locate;
+}
+
+// SJIS漢字コードテーブルから指定の配列アドレスを算出する
+unsigned int SPIOLED96x64::findface(unsigned short c)
+{
+ unsigned int p = 0;
+ int i, sum;
+ for(sum = i = 0; i < countof(font8table); i++){
+ if(font8table[i].start <= c && c <= font8table[i].end){
+ p = (sum + c - font8table[i].start);
+ break;
+ }
+ sum += font8table[i].end - font8table[i].start + 1;
+ }
+ return p;
+}
+
+// ＲＧＢ(555)をRGB565値に変換
+// 00~1F(0~31)
+unsigned int SPIOLED96x64::ColorConv(unsigned int R,unsigned int G,unsigned int B)
+{
+ unsigned int ret = 0;
+ unsigned int rv, gv, bv;
+
+ if ( R > 0x1f ) rv= 0x1f;
+ else rv= (unsigned int)( R & 0x1F );
+ if ( G > 0x1f ) gv= 0x3f;
+ else gv= (unsigned int)( (G<<1) & 0x3F );
+ if ( B > 0x1f ) bv= 0x1f;
+ else bv= (unsigned int)( B & 0x1F );
+
+ ret = (bv << 11) + (gv << 5) + rv;
+ return ret;
+}
+// 画面の指定色塗りつぶし指定領域し
+void SPIOLED96x64::Box(int x1,int y1, int x2, int y2, unsigned int Color, int fill)
+{
+ unsigned char i,j;
+
+ switch( fill ) {
+ case 0: // box
+ line( x1, y1, x2, y1, Color, 0 );
+ line( x2, y1, x2, y2, Color, 0 );
+ line( x2, y2, x1, y2, Color, 0 );
+ line( x1, y2, x1, y1, Color, 0 );
+ break;
+ default: // fill
+ for(i=y1;i<=y2;i++)
+ {
+ for(j=x1;j<=x2;j++)
+ {
+ Draw_Dot(j,i,Color);
+ // DataWrite_to(Dot);
+ }
+ }
+ break;
+ }
+}
+
+// 画面の指定色塗りつぶし
+void SPIOLED96x64::Fill_Screen(unsigned int Color)
+{
+ BGround_Color = Color;
+ Box( 0,0, Dis_X_MAX, Dis_Y_MAX , Color , 1);
+}
+
+// Bresenhamの線分発生アルゴリズム
+// 整数のみによる線分描画
+// (x0,y0)-(x1,y1)へのライン描画 参照:http //www2.starcat.ne.jp/~fussy/algo/algo1-1.htm
+// pat : 0:実線 1:破線
+void SPIOLED96x64::line( int x0, int y0, int x1, int y1, unsigned int fore_col ,int pat )
+{
+ int E,x,y;
+ int dx,dy,sx,sy,i;
+ int cl=1 ;
+ int clc=0; // 破線用のカウンタ
+
+ sx = ( x1 > x0 ) ? 1 : -1; // xの移動方向
+ dx = ( x1 > x0 ) ? x1 - x0 : x0 - x1; // xの移動量
+ sy = ( y1 > y0 ) ? 1 : -1; // yの移動方向
+ dy = ( y1 > y0 ) ? y1 - y0 : y0 - y1; // yの移動量
+
+ x = x0;
+ y = y0;
+
+ if( dx >= dy ) {
+ /* 傾きが1以下の場合 */
+ E = -dx;
+ for( i = 0; i <= dx; i++ ) {
+ switch( pat ) {
+ case 0: // 実線
+ cl = fore_col;
+ break;
+ default: // 破線
+ if ( clc>=3 ) {
+ if ( cl==fore_col ) cl=BGround_Color;
+ else cl=fore_col;
+ clc=0;
+ }else{
+ clc++;
+ }
+ break;
+ }
+
+ Draw_Dot(x,y,cl);
+ x += sx;
+ E += 2 * dy;
+ if( E >= 0 ) {
+ y += sy;
+ E -= 2 * dx;
+ }
+ }
+ }else{
+ /* 傾きが1より大きい場合 */
+ E = -dy;
+ for( i = 0; i <= dy; i++ ) {
+ switch( pat ) {
+ case 0: // 実線
+ cl = fore_col;
+ break;
+ default: // 破線
+ if ( clc>=3 ) {
+ if ( cl==fore_col ) cl=BGround_Color;
+ else cl=fore_col;
+ clc=0;
+ }else{
+ clc++;
+ }
+ break;
+ }
+
+ Draw_Dot(x,y,cl);
+ y += sy;
+ E += 2 * dx;
+ if( E >= 0 ) {
+ x += sx;
+ E -= 2 * dy;
+ }
+ }
+ }
+}
+
+// ミッチェナー(Miechener) の円描画 参考:http://dencha.ojaru.jp/programs_07/pg_graphic_09a1.html
+// x,y : 中心点
+// radius: 半径
+void SPIOLED96x64::circle (int radius, int x, int y , unsigned int col, int fill)
+{
+ int cx, cy, d;
+
+ d = 3 - 2 * radius;
+ cy = radius;
+
+ // 初期座標をあらかじめ描画する
+ Draw_Dot( x, radius+y, col ); // 座標 ( 0, R );
+ Draw_Dot( x, -radius+y, col ); // 座標 ( 0, -R);
+ Draw_Dot( radius+x, y, col ); // 座標 ( R, 0 );
+ Draw_Dot( -radius+x, y, col ); // 座標 (-R, 0);
+ if ( fill ) {
+ line( x, radius+y, x, -radius+y, col ,0 );
+ line( radius+x, y, -radius+x, y, col ,0 );
+ }
+
+ for (cx = 0; cx <= cy; cx++){
+ if (d >= 0) {
+ d += 10 + 4 * cx - 4 * cy;
+ cy--;
+ } else {
+ d += 6 + 4 * cx;
+ }
+
+ // 描画
+ Draw_Dot( cy + x, cx + y, col); // 0-45 度の間
+ Draw_Dot( cx + x, cy + y, col); // 45-90 度の間
+ Draw_Dot( -cx + x, cy + y, col); // 90-135 度の間
+ Draw_Dot( -cy + x, cx + y, col); // 135-180 度の間
+
+ Draw_Dot( -cy + x, -cx + y, col); // 180-225 度の間
+ Draw_Dot( -cx + x, -cy + y, col); // 225-270 度の間
+ Draw_Dot( cx + x, -cy + y, col); // 270-315 度の間
+ Draw_Dot( cy + x, -cx + y, col); // 315-360 度の間
+
+ if ( fill ) {
+ line( cy + x, cx + y, cy + x, -cx + y, col ,0 );
+ line( cx + x, cy + y, cx + x, -cy + y, col ,0 ); // 45-90 度の間
+ line( -cx + x, cy + y, -cx + x, cy + y, col ,0 ) ; // 90-135 度の間
+ line( -cy + x, cx + y, -cy + x, cx + y, col ,0 ); // 135-180 度の間
+
+ line( -cy + x, -cx + y, -cy + x, cx + y, col ,0 ); // 180-225 度の間
+ line( -cx + x, -cy + y, -cx + x, cy + y, col ,0 ); // 225-270 度の間
+ line( cx + x, -cy + y, cx + x, cy + y, col ,0 ); // 270-315 度の間
+ line( cy + x, -cx + y, cy + x, cx + y, col ,0 ); // 315-360 度の間
+ }
+
+ }
+}
+
+