SSD1331 Oled driver library for 96x64 colour Oled display. Demo included in .h file
Dependents: Oled-SSD1331 PJ12_device
Diff: ssd1331.cpp
- Revision:
- 0:3d7d1aec706b
- Child:
- 1:f3f6624f45d4
--- /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 +}