Paul Staron
SSD1331 Oled driver library for 96x64 colour Oled display. Demo included in .h file
Dependents: Oled-SSD1331 PJ12_device
Revision 0:3d7d1aec706b, committed 2016-04-26
- Comitter:
- star297
- Date:
- Tue Apr 26 22:51:28 2016 +0000
- Child:
- 1:f3f6624f45d4
- Commit message:
- Initial version v1.0
Changed in this revision
| ssd1331.cpp | Show annotated file Show diff for this revision Revisions of this file |
| ssd1331.h | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ssd1331.cpp Tue Apr 26 22:51:28 2016 +0000
@@ -0,0 +1,541 @@
+
+#include "mbed.h"
+#include "ssd1331.h"
+
+#define countof(x) ( sizeof(x) / sizeof(x[0]) )
+
+static const char font6x8[0x60][6] = {
+ { 0x00,0x00,0x00,0x00,0x00,0x00 } , /*SPC */
+ { 0x00,0x00,0x5F,0x00,0x00,0x00 } , /* ! */
+ { 0x04,0x03,0x04,0x03,0x00,0x00 } , /* " */
+ { 0x28,0x7E,0x14,0x3F,0x0A,0x00 } , /* # */
+ { 0x24,0x2A,0x7F,0x2A,0x12,0x00 } , /* $ */
+ { 0x23,0x13,0x08,0x64,0x62,0x00 } , /* % */
+ { 0x30,0x4E,0x59,0x26,0x50,0x00 } , /* & */
+ { 0x00,0x00,0x02,0x01,0x00,0x00 } , /* ' */
+ { 0x00,0x00,0x1C,0x22,0x41,0x00 } , /* ( */
+ { 0x41,0x22,0x1C,0x00,0x00,0x00 } , /* ) */
+ { 0x22,0x14,0x08,0x14,0x22,0x00 } , /* * */
+ { 0x08,0x08,0x3E,0x08,0x08,0x00 } , /* + */
+ { 0x50,0x30,0x00,0x00,0x00,0x00 } , /* , */
+ { 0x08,0x08,0x08,0x08,0x08,0x00 } , /* - */
+ { 0x60,0x60,0x00,0x00,0x00,0x00 } , /* . */
+ { 0x20,0x10,0x08,0x04,0x02,0x00 } , /* / */
+ { 0x3E,0x51,0x49,0x45,0x3E,0x00 } , /* 0 */
+ { 0x00,0x42,0x7F,0x40,0x00,0x00 } , /* 1 */
+ { 0x62,0x51,0x49,0x49,0x46,0x00 } , /* 2 */
+ { 0x22,0x41,0x49,0x49,0x36,0x00 } , /* 3 */
+ { 0x18,0x14,0x12,0x7F,0x10,0x00 } , /* 4 */
+ { 0x2F,0x45,0x45,0x45,0x39,0x00 } , /* 5 */
+ { 0x3E,0x49,0x49,0x49,0x32,0x00 } , /* 6 */
+ { 0x01,0x61,0x19,0x05,0x03,0x00 } , /* 7 */
+ { 0x36,0x49,0x49,0x49,0x36,0x00 } , /* 8 */
+ { 0x26,0x49,0x49,0x49,0x3E,0x00 } , /* 9 */
+ { 0x00,0x36,0x36,0x00,0x00,0x00 } , /* : */
+ { 0x00,0x56,0x36,0x00,0x00,0x00 } , /* ; */
+ { 0x00,0x08,0x14,0x22,0x41,0x00 } , /* < */
+ { 0x14,0x14,0x14,0x14,0x14,0x00 } , /* = */
+ { 0x41,0x22,0x14,0x08,0x00,0x00 } , /* > */
+ { 0x02,0x01,0x59,0x09,0x06,0x00 } , /* ? */
+ { 0x3E,0x41,0x5D,0x55,0x2E,0x00 } , /* @ */
+ { 0x60,0x1C,0x13,0x1C,0x60,0x00 } , /* A */
+ { 0x7F,0x49,0x49,0x49,0x36,0x00 } , /* B */
+ { 0x3E,0x41,0x41,0x41,0x22,0x00 } , /* C */
+ { 0x7F,0x41,0x41,0x22,0x1C,0x00 } , /* D */
+ { 0x7F,0x49,0x49,0x49,0x41,0x00 } , /* E */
+ { 0x7F,0x09,0x09,0x09,0x01,0x00 } , /* F */
+ { 0x1C,0x22,0x41,0x49,0x3A,0x00 } , /* G */
+ { 0x7F,0x08,0x08,0x08,0x7F,0x00 } , /* H */
+ { 0x00,0x41,0x7F,0x41,0x00,0x00 } , /* I */
+ { 0x20,0x40,0x40,0x40,0x3F,0x00 } , /* J */
+ { 0x7F,0x08,0x14,0x22,0x41,0x00 } , /* K */
+ { 0x7F,0x40,0x40,0x40,0x00,0x00 } , /* L */
+ { 0x7F,0x04,0x18,0x04,0x7F,0x00 } , /* M */
+ { 0x7F,0x04,0x08,0x10,0x7F,0x00 } , /* N */
+ { 0x3E,0x41,0x41,0x41,0x3E,0x00 } , /* O */
+ { 0x7F,0x09,0x09,0x09,0x06,0x00 } , /* P */
+ { 0x3E,0x41,0x51,0x21,0x5E,0x00 } , /* Q */
+ { 0x7F,0x09,0x19,0x29,0x46,0x00 } , /* R */
+ { 0x26,0x49,0x49,0x49,0x32,0x00 } , /* S */
+ { 0x01,0x01,0x7F,0x01,0x01,0x00 } , /* T */
+ { 0x3F,0x40,0x40,0x40,0x3F,0x00 } , /* U */
+ { 0x03,0x1C,0x60,0x1C,0x03,0x00 } , /* V */
+ { 0x0F,0x70,0x0F,0x70,0x0F,0x00 } , /* W */
+ { 0x41,0x36,0x08,0x36,0x41,0x00 } , /* X */
+ { 0x01,0x06,0x78,0x02,0x01,0x00 } , /* Y */
+ { 0x61,0x51,0x49,0x45,0x43,0x00 } , /* Z */
+ { 0x00,0x00,0x7F,0x41,0x41,0x00 } , /* [ */
+ { 0x15,0x16,0x7C,0x16,0x11,0x00 } , /* \ */
+ { 0x41,0x41,0x7F,0x00,0x00,0x00 } , /* ] */
+ { 0x00,0x02,0x01,0x02,0x00,0x00 } , /* ^ */
+ { 0x40,0x40,0x40,0x40,0x40,0x00 } , /* _ */
+ { 0x00,0x01,0x02,0x00,0x00,0x00 } , /* ` */
+ { 0x00,0x20,0x54,0x54,0x78,0x00 } , /* a */
+ { 0x00,0x7F,0x44,0x44,0x38,0x00 } , /* b */
+ { 0x00,0x38,0x44,0x44,0x28,0x00 } , /* c */
+ { 0x00,0x38,0x44,0x44,0x7F,0x00 } , /* d */
+ { 0x00,0x38,0x54,0x54,0x18,0x00 } , /* e */
+ { 0x00,0x04,0x3E,0x05,0x01,0x00 } , /* f */
+ { 0x00,0x08,0x54,0x54,0x3C,0x00 } , /* g */
+ { 0x00,0x7F,0x04,0x04,0x78,0x00 } , /* h */
+ { 0x00,0x00,0x7D,0x00,0x00,0x00 } , /* i */
+ { 0x00,0x40,0x40,0x3D,0x00,0x00 } , /* j */
+ { 0x00,0x7F,0x10,0x28,0x44,0x00 } , /* k */
+ { 0x00,0x01,0x7F,0x00,0x00,0x00 } , /* l */
+ { 0x7C,0x04,0x7C,0x04,0x78,0x00 } , /* m */
+ { 0x00,0x7C,0x04,0x04,0x78,0x00 } , /* n */
+ { 0x00,0x38,0x44,0x44,0x38,0x00 } , /* o */
+ { 0x00,0x7C,0x14,0x14,0x08,0x00 } , /* p */
+ { 0x00,0x08,0x14,0x14,0x7C,0x00 } , /* q */
+ { 0x00,0x7C,0x08,0x04,0x04,0x00 } , /* r */
+ { 0x00,0x48,0x54,0x54,0x24,0x00 } , /* s */
+ { 0x00,0x04,0x3E,0x44,0x40,0x00 } , /* t */
+ { 0x00,0x3C,0x40,0x40,0x7C,0x00 } , /* u */
+ { 0x00,0x7C,0x20,0x10,0x0C,0x00 } , /* v */
+ { 0x1C,0x60,0x1C,0x60,0x1C,0x00 } , /* w */
+ { 0x00,0x6C,0x10,0x10,0x6C,0x00 } , /* x */
+ { 0x00,0x4C,0x50,0x30,0x1C,0x00 } , /* y */
+ { 0x00,0x44,0x64,0x54,0x4C,0x00 } , /* z */
+ { 0x00,0x08,0x36,0x41,0x41,0x00 } , /* { */
+ { 0x00,0x00,0x7F,0x00,0x00,0x00 } , /* | */
+ { 0x41,0x41,0x36,0x08,0x00,0x00 } , /* } */
+ { 0x08,0x04,0x08,0x10,0x08,0x00 } , /* ~ */
+ { 0x00,0x00,0x00,0x00,0x00,0x00 } /*null*/
+};
+
+ssd1331::ssd1331(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();
+}
+
+void ssd1331::Init(void)
+{
+ spi.format(8,3);
+ spi.frequency(24000000);
+
+ // reset
+ wait_ms(200);
+ RES = 0; //Reset active
+ wait_ms(200);
+ RES = 1;
+
+ // initialize sequence
+ RegWrite(0xAE); //OLED display OFF
+ 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 */
+ RegWrite(0xA0); //Set remap & data format 0111 0000
+ RegWrite(0x72); // RGB colour
+ 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 = NORMAL;
+ cls();
+}
+
+void ssd1331::on()
+{
+ RegWrite(display_on);
+}
+
+void ssd1331::off()
+{
+ RegWrite(display_off);
+}
+
+void ssd1331::cls()
+{
+ unsigned char cmd[5]={GAC_CLEAR_WINDOW,0,0,width,height};
+ RegWriteM(cmd,5);
+ wait_us(500);
+ background(0);
+}
+
+void ssd1331::locate(int column, int row)
+{
+ x_locate = column;
+ y_locate = row;
+}
+
+void ssd1331::foreground(unsigned int color)
+{
+ Char_Color = color;
+}
+void ssd1331::background(unsigned int color)
+{
+ BGround_Color = color;
+}
+
+void ssd1331::SetFontSize(int Csize)
+{
+ chr_size = Csize;
+}
+
+void ssd1331::Fill_Screen(unsigned int color)
+{
+ BGround_Color = color;
+ fillrectangle(0,0,width,height,color,color);
+}
+
+void ssd1331::dim()
+{
+ unsigned char cmd[5]={GAC_DIM_WINDOW,0,0,width,height};
+ RegWriteM(cmd,5);
+}
+
+void ssd1331::contrast(char value)
+{
+ int v = value*20;
+ if(v>180){v=180;}
+ unsigned char cmd[7];
+ cmd[0] = contrastA;
+ cmd[1] = v;
+ cmd[2] = contrastB;
+ cmd[3] = v;
+ cmd[4] = contrastC;
+ cmd[5] = v;
+ RegWriteM(cmd, 6);
+}
+
+int ssd1331::toRGB(int R,int G,int B)
+{
+ uint16_t c;
+ c = R >> 3;
+ c <<= 6;
+ c |= G >> 2;
+ c <<= 5;
+ c |= B >> 3;
+ return c;
+}
+
+void ssd1331::rectangle(int x1,int y1,int x2,int y2,unsigned int colorline)
+{
+ if ( x1 < 0 ) x1 = 0;
+ else if ( x1 > width ) x1 = width;
+ if ( y1 < 0 ) y1 = 0;
+ else if ( y1 > height ) y1 = height;
+ if ( x2 < 0 ) x2 = 0;
+ else if ( x2 > width ) x2 = width;
+ if ( y2 < 0 ) y2 = 0;
+ else if ( y2 > height ) y2 = height;
+
+ unsigned char cmd[11]={ 0 };
+ cmd[0] = GAC_FILL_ENABLE_DISABLE;
+ cmd[1] = 0; // fill 1, empty 0
+ RegWriteM(cmd, 2);
+ cmd[0] = GAC_DRAW_RECTANGLE;
+ cmd[1] = (unsigned char)x1;
+ cmd[2] = (unsigned char)y1;
+ cmd[3] = (unsigned char)x2;
+ cmd[4] = (unsigned char)y2;
+ cmd[5] = (unsigned char)((colorline>> 11) << 1); // Outline Blue
+ cmd[6] = (unsigned char)((colorline>> 5 ) & 0x3F); // Outline Green
+ cmd[7] = (unsigned char)((colorline<< 1 ) & 0x3F); // Outline Red
+ cmd[8] = (0);
+ cmd[9] = (0);
+ cmd[10]= (0);
+ RegWriteM(cmd, 11);
+ wait_us(500);
+}
+
+void ssd1331::fillrectangle(int x1,int y1,int x2,int y2,unsigned int colorline,unsigned int colorfill)
+{
+ if ( x1 < 0 ) x1 = 0;
+ else if ( x1 > width ) x1 = width;
+ if ( y1 < 0 ) y1 = 0;
+ else if ( y1 > height ) y1 = height;
+ if ( x2 < 0 ) x2 = 0;
+ else if ( x2 > width ) x2 = width;
+ if ( y2 < 0 ) y2 = 0;
+ else if ( y2 > height ) y2 = height;
+
+ unsigned char cmd[11]={ 0 };
+ cmd[0] = GAC_FILL_ENABLE_DISABLE;
+ cmd[1] = 1; // fill 1, empty 0
+ RegWriteM(cmd, 2);
+ cmd[0] = GAC_DRAW_RECTANGLE;
+ cmd[1] = (unsigned char)x1;
+ cmd[2] = (unsigned char)y1;
+ cmd[3] = (unsigned char)x2;
+ cmd[4] = (unsigned char)y2;
+ cmd[5] = (unsigned char)((colorline>> 11) << 1); // Outline Blue
+ cmd[6] = (unsigned char)((colorline>> 5 ) & 0x3F); // Outline Green
+ cmd[7] = (unsigned char)((colorline<< 1 ) & 0x3F); // Outline Red
+ cmd[8] = (unsigned char)((colorfill>> 11) << 1); // fill Blue
+ cmd[9] = (unsigned char)((colorfill>> 5 ) & 0x3F); // fill Green
+ cmd[10]= (unsigned char)((colorfill<< 1 ) & 0x3F); // fill Red
+ RegWriteM(cmd, 11);
+ wait_us(500);
+}
+
+void ssd1331::line(int x1,int y1,int x2,int y2,unsigned int color)
+{
+ if ( x1 < 0 ) x1 = 0;
+ else if ( x1 > width ) x1 = width;
+ if ( y1 < 0 ) y1 = 0;
+ else if ( y1 > height ) y1 = height;
+ if ( x2 < 0 ) x2 = 0;
+ else if ( x2 > width ) x2 = width;
+ if ( y2 < 0 ) y2 = 0;
+ else if ( y2 > height ) y2 = height;
+
+ unsigned char cmd[11]={ 0 };
+ cmd[0] = GAC_FILL_ENABLE_DISABLE;
+ cmd[1] = 0; // fill 0, empty 0
+ RegWriteM(cmd, 2);
+ cmd[0] = GAC_DRAW_LINE;
+ cmd[1] = (unsigned char)x1;
+ cmd[2] = (unsigned char)y1;
+ cmd[3] = (unsigned char)x2;
+ cmd[4] = (unsigned char)y2;
+ cmd[5] = (unsigned char)(((color>>11)&0x1F)<<1); // Blue
+ cmd[6] = (unsigned char)((color>>5)&0x3F); // Green
+ cmd[7] = (unsigned char)((color&0x1F)<<1); // Red
+ RegWriteM(cmd, 8);
+ wait_us(500);
+}
+
+void ssd1331::circle (int radius, int x, int y , unsigned int col, int fill)
+{
+ int cx, cy, d;
+ d = 3 - 2 * radius;
+ cy = radius;
+ pixel(x, radius+y, col);
+ pixel(x, -radius+y, col);
+ pixel(radius+x, y, col);
+ pixel(-radius+x, y, col);
+ if(fill){
+ line(x,radius+y,x,-radius+y,col);
+ line( radius+x,y,-radius+x,y,col);
+ }
+
+ for (cx = 0; cx <= cy; cx++){
+ if(d>=0){
+ d+=10+4*cx-4*cy;
+ cy--;
+ }else{
+ d+=6+4*cx;
+ }
+ pixel(cy+x, cx+y, col);
+ pixel(cx+x, cy+y, col);
+ pixel(-cx+x, cy+y, col);
+ pixel(-cy+x, cx+y, col);
+ pixel(-cy+x, -cx+y, col);
+ pixel(-cx+x, -cy+y, col);
+ pixel(cx+x, -cy+y, col);
+ pixel(cy+x, -cx+y, col);
+ if(fill){
+ line(cy+x, cx+y, cy+x, -cx+y, col);
+ line(cx+x, cy+y, cx+x, -cy + y, col);
+ line(-cx+x, cy+y, -cx+x, cy+y, col);
+ line(-cy+x, cx+y, -cy+x, cx+y, col);
+ line(-cy+x, -cx+y, -cy+x, cx+y, col);
+ line(-cx+x, -cy+y, -cx+x, cy+y, col);
+ line(cx+x, -cy+y, cx+x, cy+y, col);
+ line(cy+x, -cx+y, cy+x, cx+y, col);
+ }
+ }
+}
+
+void ssd1331::pixel(int x,int y,unsigned int Color)
+{
+ unsigned char cmd[7]={Set_Column_Address,0x00,0x00,Set_Row_Address,0x00,0x00};
+ if ((x<0)||(y<0)||(x>width)||(y>height)) return ;
+ 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);
+}
+
+void ssd1331::ScrollSet(int horizontal, int startline, int linecount, int vertical , int frame_interval)
+{
+ unsigned char cmd[7];
+ if((startline>height+1)||((startline+linecount)>height+1)) return ;
+ if ( frame_interval > 3 ) frame_interval = 3;
+ cmd[0] = SCROLL_SETUP; //
+ cmd[1] = horizontal;
+ cmd[2] = startline;
+ cmd[3] = linecount;
+ cmd[4] = vertical;
+ cmd[5] = frame_interval;
+ RegWriteM(cmd,6);
+}
+
+void ssd1331::Scrollstart()
+{
+ RegWrite(SCROLL_START);
+}
+
+void ssd1331::Scrollstop()
+{
+ RegWrite(SCROLL_STOP);
+}
+
+void ssd1331::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;
+
+ FontSizeConvert(&lpx, &lpy);
+ xw = X_width;
+ if(a < 32)a=32;
+
+ for(i=0; i<xw; i++){
+ for ( l=0;l<lpx;l++){
+ Temp = font6x8[a-32][i];
+ for(j=Y_width-1;j>=0;j--){
+ for (k=0;k<lpy;k++){
+ pixel(x+(i*lpx)+l, y+(((j+1)*lpy)-1)-k, ((Temp & 0x80)==0x80) ? Char_Color : BGround_Color);
+ }
+ Temp = Temp << 1;
+ }
+ }
+ }
+}
+
+int ssd1331::_putc( int c )
+{
+ int lpx, lpy, w;
+ w = X_width;
+ PutChar( x_locate , y_locate ,c);
+ FontSizeConvert(&lpx, &lpy);
+ x_locate += (w*lpx);
+
+ return c;
+}
+
+int ssd1331::_getc()
+{
+ return -1;
+}
+
+int ssd1331::row()
+{
+ return y_locate;
+}
+int ssd1331::column()
+{
+ return x_locate;
+}
+
+void ssd1331::Copy(int src_x1,int src_y1,int src_x2,int src_y2, int dst_x,int dst_y)
+{
+ unsigned char cmd[8]={ 0 };
+ if ((src_x1>width)||(src_y1>height)||(src_x2>width)||(src_y2>height)) return;
+ if ((dst_x>width)||(dst_y>height))return;
+ cmd[0] = GAC_COPY_AREA; //
+ cmd[1] = (unsigned char)src_x1;
+ cmd[2] = (unsigned char)src_y1;
+ cmd[3] = (unsigned char)src_x2;
+ cmd[4] = (unsigned char)src_y2;
+ cmd[5] = (unsigned char)dst_x;
+ cmd[6] = (unsigned char)dst_y;
+ RegWriteM(cmd,7);
+}
+
+void ssd1331::FontSizeConvert(int *lpx,int *lpy)
+{
+ switch( chr_size ){
+ case WIDE:
+ *lpx=2;
+ *lpy=1;
+ break;
+ case HIGH:
+ *lpx=1;
+ *lpy=2;
+ break;
+ case WH :
+ *lpx=2;
+ *lpy=2;
+ break;
+ case WHx36 :
+ *lpx=6;
+ *lpy=6;
+ break;
+ case NORMAL:
+ default:
+ *lpx=1;
+ *lpy=1;
+ break;
+ }
+}
+
+void ssd1331::RegWrite(unsigned char Command)
+{
+ DC = 0; // Command
+ CS = 0; // CS enable
+ spi.write(Command);
+ CS = 1; // CS dissable
+}
+
+void ssd1331::RegWriteM(unsigned char *Command, int count)
+{
+ int i;
+ DC = 0; // Command
+ CS = 0; // CS enable
+ for( i=0;i<count;i++){
+ spi.write(*Command++);
+ }
+ CS = 1; // CS dissable
+}
+
+void ssd1331::DataWrite(unsigned char c)
+{
+ DC = 1; // DATA
+ CS = 0; // CS enable
+ spi.write(c);
+ CS = 1; // CS dissable
+}
+
+void ssd1331::DataWrite_to(unsigned int Dat)
+{
+ DC = 1; // DATA
+ CS = 0; // CS enable
+ spi.write((unsigned char)((Dat >> 8)));
+ spi.write((unsigned char)(Dat));
+ CS = 1; // CS dissable
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ssd1331.h Tue Apr 26 22:51:28 2016 +0000
@@ -0,0 +1,186 @@
+
+#ifndef __ssd1331_H__
+#define __ssd1331_H__
+
+#include "mbed.h"
+
+
+// Screen Settings
+#define width 96-1 // Max X axial direction in screen
+#define height 64-1 // Max Y axial direction in screen
+#define Set_Column_Address 0x15
+#define Set_Row_Address 0x75
+#define contrastA 0x81
+#define contrastB 0x82
+#define contrastC 0x83
+#define display_on 0xAF
+#define display_off 0xAE
+
+// Font size
+#define NORMAL 0
+#define WIDE 1
+#define HIGH 2
+#define WH 3
+#define WHx36 4
+#define X_width 6 // character's width
+#define Y_width 8 // character's height
+
+
+// GAC hardware acceleration commands
+#define GAC_DRAW_LINE 0x21 // Draw Line
+#define GAC_DRAW_RECTANGLE 0x22 // Rectangle
+#define GAC_COPY_AREA 0x23 // Copy Area
+#define GAC_DIM_WINDOW 0x24 // Dim Window
+#define GAC_CLEAR_WINDOW 0x25 // Clear Window
+#define GAC_FILL_ENABLE_DISABLE 0x26 // Enable Fill
+#define SCROLL_SETUP 0x27 // Setup scroll
+#define SCROLL_STOP 0x2E // Scroll Stop
+#define SCROLL_START 0x2F // Scroll Start
+
+// example code
+/*
+#include "mbed.h"
+#include "ssd1331.h"
+
+ssd1331 oled(D8, D9, D10, D11, NC, D13); // cs, res, dc, miso(nc), sck (KL25z)
+
+char Time[50],Date[50];
+void gettime();
+
+int main() {
+
+ while(1){
+
+ oled.Fill_Screen(oled.toRGB(255,0,0)); //red
+ wait_ms(500);
+ oled.Fill_Screen(oled.toRGB(0,255,0)); //green
+ wait_ms(500);
+ oled.Fill_Screen(oled.toRGB(0,0,255)); //blue
+ wait_ms(500);
+ oled.Fill_Screen(oled.toRGB(255,255,255)); //white
+ wait_ms(500);
+
+ oled.cls(); // clear screen to black
+
+ oled.circle (20, 40, 30 ,oled.toRGB(0,0,255) , 1); //fill circle
+ oled.circle (20, 40, 30 ,oled.toRGB(255,255,255) , 0); //circle
+ oled.circle (20, 60, 40 ,oled.toRGB(255,0,0) , 0); //circle
+ oled.line( 0, 0, width, height, oled.toRGB(0,255,255)); //line
+ oled.line( width, 0, 0, height, oled.toRGB(255,0,255)); //line
+ oled.rectangle(10,10,90,60,oled.toRGB(255,255,0)); //rectangle
+ oled.fillrectangle(20,20,40,40,oled.toRGB(255,255,255),oled.toRGB(0,255,0)); //fillrectangle
+
+ for(int y = 9; y >= 0; y--) {
+ oled.contrast(y); // set contrast level
+ oled.foreground(oled.toRGB(255,255,255)); // set text colour
+ oled.locate(1, 10); // set text start location
+ oled.printf("%d",y); // std printf
+ wait_ms(300);
+ }
+
+ wait_ms(1000);
+ oled.contrast(9); // set contrast to maximum
+ wait_ms(2000);
+ oled.cls();
+
+ oled.SetFontSize(HIGH); // set tall font
+ oled.foreground(oled.toRGB(0,255,0)); // set text colour
+ oled.locate(0, 10);
+ oled.printf( "HIGH 12345");
+
+ oled.SetFontSize(WIDE); // set text to wide
+ oled.foreground(oled.toRGB(0,0,255));
+ oled.locate(0, 28);
+ oled.printf( "WIDE 123");
+
+ oled.SetFontSize(WH); // set text to wide and tall
+ oled.foreground(oled.toRGB(255,0,0));
+ oled.locate(0, 40);
+ oled.printf( "WH 123");
+
+ oled.SetFontSize(NORMAL); // set text to normal
+ oled.foreground(oled.toRGB(255,255,255));
+
+ oled.ScrollSet(0,8,18,1,0); // set scroll function
+ oled.Scrollstart(); // start scroll
+
+ gettime();wait(1);gettime();wait(1);gettime();wait(1);
+ oled.ScrollSet(0,8,18,-2,0);
+ oled.Scrollstart();
+ gettime();wait(1);gettime();wait(1);gettime();wait(1);
+
+ oled.ScrollSet(0,8,18,3,0);
+ oled.Scrollstart();
+
+ gettime();wait(1);gettime();wait(1);gettime();wait(1);
+
+ oled.ScrollSet(0,8,18,-4,0);
+ oled.Scrollstart();
+
+ gettime();wait(1);gettime();wait(1);gettime();wait(1);
+
+ oled.Scrollstop(); // stop scroll
+ wait(1);
+ }
+}
+void gettime()
+{
+ time_t seconds = time(NULL);
+ strftime(Time,40,"%H:%M:%S %a", localtime(&seconds));
+ strftime(Date,40,"%d-%b-%Y", localtime(&seconds));
+ oled.locate(0, 0);
+ oled.printf(Time);
+}
+*/
+
+class ssd1331 : public Stream {
+public:
+ // constructor
+ ssd1331(PinName cs_pin, PinName rst_pin, PinName a0_pin, PinName mosi_pin, PinName miso_pin, PinName sclk_pin);
+
+ void pixel(int x,int y,unsigned int color);
+ void rectangle(int x1,int y1,int x2,int y2,unsigned int colorline);
+ void fillrectangle(int x1,int y1,int x2,int y2,unsigned int colorline,unsigned int colorfill);
+ void line( int x1,int y1,int x2,int y2,unsigned int color);
+ void circle (int radius, int x, int y,unsigned int color,int fill);
+ void Fill_Screen(unsigned int color); // fill screen with any colour
+ void foreground(unsigned int color); // text color
+ void background(unsigned int color); // background color
+ void SetFontSize(int);
+ void on(); // display on
+ void off(); // display off
+ void cls(); // clear screen to black
+ void dim(); // flip dim/normal
+ void contrast(char value); //0~9 low~high
+ void locate(int column, int row); // text start position
+ int toRGB(int R,int G,int B); // get color from RGB values 00~FF(0~255)
+ int row();
+ int column();
+ void ScrollSet(int horizontal, int startline, int linecount, int vertical , int frame_interval);
+ void Scrollstart();
+ void Scrollstop();
+ void Copy(int src_x1,int src_y1,int src_x2,int src_y2, int dst_x,int dst_y);
+
+protected:
+ // Stream implementation functions
+ virtual int _putc(int c);
+ virtual int _getc();
+private:
+ void Init(void);
+ void RegWrite(unsigned char Command);
+ void RegWriteM(unsigned char *Command, int count);
+ void DataWrite(unsigned char c);
+ void DataWrite_to(unsigned int Dat);
+ void FontSizeConvert(int *lpx, int *lpy);
+ void PutChar(int x,int y,unsigned int a);
+ unsigned int Char_Color; // text color
+ unsigned int BGround_Color; // background color
+ int x_locate;
+ int y_locate;
+ int chr_size;
+
+ DigitalOut CS, RES, DC;
+ SPI spi; // mosi, miso, sclk
+};
+
+#endif
\ No newline at end of file
Display Module .95" 96x64 Oled with SPI interface