Adafruit ssd1331 OLED 96x64 SPI model
Fork of OledLib by
spioled96x64.cpp
- Committer:
- TETSUYA
- Date:
- 2011-01-12
- Revision:
- 3:eab8d193745a
- Parent:
- 2:e331851128c1
- Child:
- 4:b68843c0269c
File content as of revision 3:eab8d193745a:
// ALO-095BWNN-J9 test program // See also "http://www.aitendo.co.jp/product/2099" // Ver1.00 初版完成 // Ver1.01 フォントをk6x8フォントに変更。定義Hファイルも全角とは分離 // フォント描画ルーチンが1ドットすくなく動くのを修正 // 任意カラーパターンを描画できるように修正 #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 //spi.frequency(42000000); // 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; } // マルチバイト レジスタ設定 void SPIOLED96x64::RegWriteM(unsigned char *Command, int count) { int i; DC = 0; // Command CS = 0; // CS active(toggle OLED) for( i=0;i<count;i++){ 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) { DC = 1; // DATA CS = 0; // CS active(toggle OLED) spi.write((unsigned char)((Dat >> 8)& 0x00ff)); spi.write((unsigned char)(Dat & 0x00ff)); CS = 1; /* 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) { unsigned char cmd[7]={0x15,0x00,0x00,0x75,0x00,0x00,0x00}; if ( ( x > Dis_X_MAX ) ||( 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 */ cmd[1] = (unsigned char)x; cmd[2] = (unsigned char)x; cmd[4] = (unsigned char)y; cmd[5] = (unsigned char)y; RegWriteM(cmd, 6); 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 = X_WitchASC; 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(0x20~0x7f)==> 0x00~0x5f else Temp = FontLookup[a][i]; // Kanji for(j=Y_Witch-1;j>=0;j--){ for ( k=0;k<lpy;k++){ Draw_Dot(x+(i*lpx)+l,y+((j+1)*lpy)-k, ((Temp & 0x80)==0x80) ? Char_Color : 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 = X_WitchASC; // 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 } } } // Color Pattern // pattern *P はRGB565(2バイト型)のデータ配列で渡す void SPIOLED96x64::Pattern(int x,int y,int width, int height, unsigned int *p) { int i,j; for(i=0; i<width; i++){ for(j=height-1;j>=0;j--){ Draw_Dot(x+i,y+j,*p++); } } }