tetsuya noguchi / OledLib

ALO-095BWNN-J9 aitendo OLED 96x64 SPI model Ver1.04

spioled96x64.cpp

Committer:
TETSUYA
Date:
2011-01-12
Revision:
2:e331851128c1
Parent:
0:94eac1a165ab
Child:
3:eab8d193745a

File content as of revision 2:e331851128c1:

// ALO-095BWNN-J9 test program
// See also "http://www.aitendo.co.jp/product/2099"
// Ver1.00 ‰”ÅŠ®¬
// Ver1.01 ƒtƒHƒ“ƒg‚ðk6x8ƒtƒHƒ“ƒg‚ɕύXB’è‹`‚gƒtƒ@ƒCƒ‹‚à‘SŠp‚Æ‚Í•ª—£
//         ƒtƒHƒ“ƒg•`‰æƒ‹[ƒ`ƒ“‚ª‚Pƒhƒbƒg‚·‚­‚È‚­“®‚­‚Ì‚ðC³
//         ”CˆÓƒJƒ‰[ƒpƒ^[ƒ“‚ð•`‰æ‚Å‚«‚é‚悤‚ɏC³


#include "mbed.h"
#include "spioled96x64.h"

//Serial pc(USBTX, USBRX);
#define countof(x) ( sizeof(x) / sizeof(x[0]) )


// ƒRƒ“ƒXƒgƒ‰ƒNƒ^
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();
}

// ƒCƒjƒVƒƒƒ‰ƒCƒU
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);
}

// ƒŒƒWƒXƒ^ƒ‰ƒCƒg
void  SPIOLED96x64::RegWrite(unsigned char Command)
{
    DC = 0;    // Command
    CS = 0;    // CS active(toggle OLED)
    spi.write(Command);
    CS = 1;
}
// ƒ}ƒ‹ƒ`ƒoƒCƒg ƒŒƒWƒXƒ^Ý’è
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;
}


// ƒf[ƒ^ƒ‰ƒCƒg
void  SPIOLED96x64::DataWrite(unsigned char c)
{
     DC = 1;    // DATA
     CS = 0;    // CS active(toggle OLED)
     spi.write(c);
     CS = 1;
}

// 16ƒrƒbƒg‘‚«ž‚Ý
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));
     */
}



// Žw’èÀ•W‚ÉŽw’èF‚Ńhƒbƒg•`‰æ
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;
}
//@c‰¡‚Ì”{—¦•Ï‰»—Ê‚ð•Ô‚·
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;
    }    
    
}

// ‘SŠpƒLƒƒƒ‰ƒNƒ^‚Ì•`‰æˆ—
// ƒAƒXƒL[ƒLƒƒƒ‰ƒNƒ^‚̈ʒuŽw’è•\Ž¦(5x7dotƒtƒHƒ“ƒg)
// ƒtƒHƒ“ƒg‚Ì“Á«ãAÅãˆÊƒrƒbƒg‚©‚珇‚Ɂª•ûŒü‚É‹Lq‚³‚ê‚é
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;
            }
        }
    }
}


// ƒˆ‰¼‘zŠÖ”‚Åputc‚ðŽÀŒ»
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;  // ”¼Šp‚͋ߐڂ·‚é‚̂ŁA‚Pƒhƒbƒg‚ ‚¯‚é
    }
    PutChar( x_locate , y_locate ,p);
    CS_Conv(&lpx, &lpy);
    x_locate += (w*lpx);


    /*
    if(kstate== false){
        //‰æ–ʉE’[‚ł̃NƒŠƒbƒsƒ“ƒO
        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;
}

// SJISŠ¿ŽšƒR[ƒhƒe[ƒuƒ‹‚©‚çŽw’è‚Ì”z—ñƒAƒhƒŒƒX‚ðŽZo‚·‚é
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;
}

// ‚q‚f‚a(555)‚ðRGB565’l‚É•ÏŠ·
// 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;
}
// ‰æ–Ê‚ÌŽw’èF“h‚è‚‚ԂµŽw’è—̈悵
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;
    }
}

// ‰æ–Ê‚ÌŽw’èF“h‚è‚‚Ԃµ
void SPIOLED96x64::Fill_Screen(unsigned int Color)
{
    BGround_Color = Color;
    Box( 0,0, Dis_X_MAX, Dis_Y_MAX , Color , 1);
}

// Bresenham‚̐ü•ª”­¶ƒAƒ‹ƒSƒŠƒYƒ€
// ®”‚Ì‚Ý‚É‚æ‚éü•ª•`‰æ
// (x0,y0)-(x1,y1)‚ւ̃‰ƒCƒ“•`‰æ          ŽQÆ:http //www2.starcat.ne.jp/~fussy/algo/algo1-1.htm
// pat : 0:ŽÀü    1:”jü
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;    // ”jü—p‚̃JƒEƒ“ƒ^
    
    sx = ( x1 > x0 ) ? 1 : -1;              // x‚̈ړ®•ûŒü
    dx = ( x1 > x0 ) ? x1 - x0 : x0 - x1;   // x‚̈ړ®—Ê
    sy = ( y1 > y0 ) ? 1 : -1;              // y‚̈ړ®•ûŒü
    dy = ( y1 > y0 ) ? y1 - y0 : y0 - y1;   // y‚̈ړ®—Ê

    x = x0;
    y = y0;

    if( dx >= dy ) {
        /* ŒX‚«‚ª1ˆÈ‰º‚̏ꍇ */
        E = -dx;
        for( i = 0; i <= dx; i++ ) {
            switch( pat ) {
            case 0:     // ŽÀü
                cl = fore_col;
                break;
            default:    // ”jü
                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{
        /* ŒX‚«‚ª1‚æ‚è‘å‚«‚¢ê‡ */
        E = -dy;
        for( i = 0; i <= dy; i++ ) {
            switch( pat ) {
            case 0:     // ŽÀü
                cl = fore_col;
                break;
            default:    // ”jü
                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;
            }
        }
    }
}

// ƒ~ƒbƒ`ƒFƒi[(Miechener) ‚̉~•`‰æ  ŽQl:http://dencha.ojaru.jp/programs_07/pg_graphic_09a1.html
// x,y : ’†S“_
// radius: ”¼Œa
void SPIOLED96x64::circle (int radius, int x, int y , unsigned int col, int fill)
{
    int  cx, cy, d;

    d = 3 - 2 * radius;
    cy = radius;

    // ‰ŠúÀ•W‚ð‚ ‚ç‚©‚¶‚ß•`‰æ‚·‚é
    Draw_Dot(         x,  radius+y, col );    // À•W ( 0, R );
    Draw_Dot(         x, -radius+y, col );    // À•W ( 0, -R);
    Draw_Dot(  radius+x,         y, col );    // À•W ( R, 0 );
    Draw_Dot( -radius+x,         y, col );    // À•W (-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;
        }

        // •`‰æ
        Draw_Dot(  cy + x,  cx + y, col);      // 0-45     “x‚ÌŠÔ
        Draw_Dot(  cx + x,  cy + y, col);      // 45-90    “x‚ÌŠÔ
        Draw_Dot( -cx + x,  cy + y, col);     // 90-135   “x‚ÌŠÔ
        Draw_Dot( -cy + x,  cx + y, col);     // 135-180  “x‚ÌŠÔ

        Draw_Dot( -cy + x, -cx + y, col);    // 180-225  “x‚ÌŠÔ
        Draw_Dot( -cx + x, -cy + y, col);    // 225-270  “x‚ÌŠÔ
        Draw_Dot(  cx + x, -cy + y, col);     // 270-315  “x‚ÌŠÔ
        Draw_Dot(  cy + x, -cx + y, col);     // 315-360  “x‚ÌŠÔ

        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    “x‚ÌŠÔ
            line( -cx + x,  cy + y, -cx + x,  cy + y, col ,0 ) ;     // 90-135   “x‚ÌŠÔ
            line( -cy + x,  cx + y, -cy + x,  cx + y, col ,0 );     // 135-180  “x‚ÌŠÔ

            line( -cy + x, -cx + y, -cy + x,  cx + y, col ,0 );    // 180-225  “x‚ÌŠÔ
            line( -cx + x, -cy + y, -cx + x,  cy + y, col ,0 );    // 225-270  “x‚ÌŠÔ
            line(  cx + x, -cy + y,  cx + x,  cy + y, col ,0 );     // 270-315  “x‚ÌŠÔ
            line(  cy + x, -cx + y,  cy + x,  cx + y, col ,0 );     // 315-360  “x‚ÌŠÔ
        }

    }
}

// Color Pattern
// pattern *P ‚Í‚q‚f‚a‚T‚U‚T(‚QƒoƒCƒgŒ^)‚̃f[ƒ^”z—ñ‚Å“n‚·
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++);
        }
    }

}