NOKIA 1100 LCD Driver [PCF8814]

[Erata]

driver:

/////////////////////////    lcd1100.c//////    Badr Ghatasheh (demonspells)///    11/3/2011//////////////////////#define sclk   PIN_B4#define sda    PIN_B5#define cs     PIN_B6#define rst    PIN_B7#define CMD      0#define DATA   1void Lcd_Init(void);void Lcd_Write(int1 cd,unsigned char c);void Lcd_Clear(void);void SetX(char x);void SetY(char y);void Gotoxy(char x,char y);void VLine(char x,char y,char on);void Line(unsigned char x,unsigned char y,unsigned char y2,unsigned char on);void print_char(char c);char bitaddr;// lookup table, here you can modify the fontbyte const FontLookup1[48][5]={{0x00, 0x00, 0x00, 0x00, 0x00},// (space){0x00, 0x00, 0x5F, 0x00, 0x00},// !{0x00, 0x07, 0x00, 0x07, 0x00},// "{0x14, 0x7F, 0x14, 0x7F, 0x14},// #{0x24, 0x2A, 0x7F, 0x2A, 0x12},// ${0x23, 0x13, 0x08, 0x64, 0x62},// %{0x36, 0x49, 0x55, 0x22, 0x50},// &{0x00, 0x05, 0x03, 0x00, 0x00},// '{0x00, 0x1C, 0x22, 0x41, 0x00},// ({0x00, 0x41, 0x22, 0x1C, 0x00},// ){0x08, 0x2A, 0x1C, 0x2A, 0x08},// *{0x08, 0x08, 0x3E, 0x08, 0x08},// +{0x00, 0x50, 0x30, 0x00, 0x00},// ,{0x08, 0x08, 0x08, 0x08, 0x08},// -{0x00, 0x30, 0x30, 0x00, 0x00},// .{0x20, 0x10, 0x08, 0x04, 0x02},// /{0x3E, 0x51, 0x49, 0x45, 0x3E},// 0{0x00, 0x42, 0x7F, 0x40, 0x00},// 1{0x42, 0x61, 0x51, 0x49, 0x46},// 2{0x21, 0x41, 0x45, 0x4B, 0x31},// 3{0x18, 0x14, 0x12, 0x7F, 0x10},// 4{0x27, 0x45, 0x45, 0x45, 0x39},// 5{0x3C, 0x4A, 0x49, 0x49, 0x30},// 6{0x01, 0x71, 0x09, 0x05, 0x03},// 7{0x36, 0x49, 0x49, 0x49, 0x36},// 8{0x06, 0x49, 0x49, 0x29, 0x1E},// 9{0x00, 0x36, 0x36, 0x00, 0x00},// :{0x00, 0x56, 0x36, 0x00, 0x00},// ;{0x00, 0x08, 0x14, 0x22, 0x41},// <{0x14, 0x14, 0x14, 0x14, 0x14},// ={0x41, 0x22, 0x14, 0x08, 0x00},// >{0x02, 0x01, 0x51, 0x09, 0x06},// ?{0x32, 0x49, 0x79, 0x41, 0x3E},// @{0x7E, 0x11, 0x11, 0x11, 0x7E},// A{0x7F, 0x49, 0x49, 0x49, 0x36},// B{0x3E, 0x41, 0x41, 0x41, 0x22},// C{0x7F, 0x41, 0x41, 0x22, 0x1C},// D{0x7F, 0x49, 0x49, 0x49, 0x41},// E{0x7F, 0x09, 0x09, 0x01, 0x01},// F{0x3E, 0x41, 0x41, 0x51, 0x32},// G{0x7F, 0x08, 0x08, 0x08, 0x7F},// H{0x00, 0x41, 0x7F, 0x41, 0x00},// I{0x20, 0x40, 0x41, 0x3F, 0x01},// J{0x7F, 0x08, 0x14, 0x22, 0x41},// K{0x7F, 0x40, 0x40, 0x40, 0x40},// L{0x7F, 0x02, 0x04, 0x02, 0x7F},// M{0x7F, 0x04, 0x08, 0x10, 0x7F},// N{0x3E, 0x41, 0x41, 0x41, 0x3E}};// Obyte const FontLookup2[48][5]={{0x7F, 0x09, 0x09, 0x09, 0x06},// P{0x3E, 0x41, 0x51, 0x21, 0x5E},// Q{0x7F, 0x09, 0x19, 0x29, 0x46},// R{0x46, 0x49, 0x49, 0x49, 0x31},// S{0x01, 0x01, 0x7F, 0x01, 0x01},// T{0x3F, 0x40, 0x40, 0x40, 0x3F},// U{0x1F, 0x20, 0x40, 0x20, 0x1F},// V{0x7F, 0x20, 0x18, 0x20, 0x7F},// W{0x63, 0x14, 0x08, 0x14, 0x63},// X{0x03, 0x04, 0x78, 0x04, 0x03},// Y{0x61, 0x51, 0x49, 0x45, 0x43},// Z{0x00, 0x00, 0x7F, 0x41, 0x41},// [{0x02, 0x04, 0x08, 0x10, 0x20},// "\"{0x41, 0x41, 0x7F, 0x00, 0x00},// ]{0x04, 0x02, 0x01, 0x02, 0x04},// ^{0x40, 0x40, 0x40, 0x40, 0x40},// _{0x00, 0x01, 0x02, 0x04, 0x00},// `{0x20, 0x54, 0x54, 0x54, 0x78},// a{0x7F, 0x48, 0x44, 0x44, 0x38},// b{0x38, 0x44, 0x44, 0x44, 0x20},// c{0x38, 0x44, 0x44, 0x48, 0x7F},// d{0x38, 0x54, 0x54, 0x54, 0x18},// e{0x08, 0x7E, 0x09, 0x01, 0x02},// f{0x08, 0x14, 0x54, 0x54, 0x3C},// g{0x7F, 0x08, 0x04, 0x04, 0x78},// h{0x00, 0x44, 0x7D, 0x40, 0x00},// i{0x20, 0x40, 0x44, 0x3D, 0x00},// j{0x00, 0x7F, 0x10, 0x28, 0x44},// k{0x00, 0x41, 0x7F, 0x40, 0x00},// l{0x7C, 0x04, 0x18, 0x04, 0x78},// m{0x7C, 0x08, 0x04, 0x04, 0x78},// n{0x38, 0x44, 0x44, 0x44, 0x38},// o{0x7C, 0x14, 0x14, 0x14, 0x08},// p{0x08, 0x14, 0x14, 0x18, 0x7C},// q{0x7C, 0x08, 0x04, 0x04, 0x08},// r{0x48, 0x54, 0x54, 0x54, 0x20},// s{0x04, 0x3F, 0x44, 0x40, 0x20},// t{0x3C, 0x40, 0x40, 0x20, 0x7C},// u{0x1C, 0x20, 0x40, 0x20, 0x1C},// v{0x3C, 0x40, 0x30, 0x40, 0x3C},// w{0x44, 0x28, 0x10, 0x28, 0x44},// x{0x0C, 0x50, 0x50, 0x50, 0x3C},// y{0x44, 0x64, 0x54, 0x4C, 0x44},// z{0x00, 0x08, 0x36, 0x41, 0x00},// {{0x00, 0x00, 0x7F, 0x00, 0x00},// |{0x00, 0x41, 0x36, 0x08, 0x00},// }{0x08, 0x08, 0x2A, 0x1C, 0x08},// ->{0x08, 0x1C, 0x2A, 0x08, 0x08} // <-};// clear LCDvoid Lcd_Clear(void){unsigned int i;Lcd_Write(CMD,0x40); // Y = 0Lcd_Write(CMD,0xb0);Lcd_Write(CMD,0x10); // X = 0Lcd_Write(CMD,0x0);Lcd_Write(CMD,0xae); // disable display;for(i=0;i<255;i++)Lcd_Write(DATA,0x00);for(i=0;i<255;i++)Lcd_Write(DATA,0x00);for(i=0;i<255;i++)Lcd_Write(DATA,0x00);for(i=0;i<99;i++)Lcd_Write(DATA,0x00);Lcd_Write(CMD,0xaf); // enable display;}// init LCDvoid Lcd_Init(void){output_low(cs);output_low(rst);delay_ms(5);         // 5mS so says the stop watch(less than 5ms will not work)output_high(rst);Lcd_Write(CMD,0x20); // write VOP registerLcd_Write(CMD,0x90);Lcd_Write(CMD,0xA4); // all on/normal displayLcd_Write(CMD,0x2F); // Power control set(charge pump on/off)Lcd_Write(CMD,0x40); // set start row address = 0Lcd_Write(CMD,0xb0); // set Y-address = 0Lcd_Write(CMD,0x10); // set X-address, upper 3 bitsLcd_Write(CMD,0x0);  // set X-address, lower 4 bitsLcd_Write(CMD,0xC8); // mirror Y axis (about X axis)Lcd_Write(CMD,0xa1); // Invert screen in horizontal axisLcd_Write(CMD,0xac); // set initial row (R0) of the displayLcd_Write(CMD,0x07);//Lcd_Write(CMD,0xF9); //Lcd_Write(CMD,0xaf); // display ON/OFFLcd_Clear(); // clear LCDLcd_Write(CMD,0xa7); // invert displaydelay_ms(100);       Lcd_Write(CMD,0xa6); // normal display (non inverted)delay_ms(100);           }void Lcd_Write(int1 cd,unsigned char c){int i;   output_low(cs);   output_low(sclk);   output_bit(sda,cd);   output_high(sclk);for(i=0;i<8;i++){      output_low(sclk);         if((c & 0x80))            output_high(sda);         else            output_low(sda);      output_high(sclk);      c <<= 1;     delay_us(10);            }     output_high(cs);      }void SetX(char x){   Lcd_Write(CMD,0x10 | ((x>>4)&0x7));   Lcd_Write(CMD,x & 0x0f);}void SetY(char y){   char aux = 0;   while(y>7){      y -=8;      aux ++;   }      bitaddr = y-1;   Lcd_Write(CMD,0xB0 | (aux & 0x0f));}void Gotoxy(char x,char y){      Lcd_Write(CMD,(0xB0|(y&0x0F)));       // Y axis initialisation: 0100 yyyy               Lcd_Write(CMD,(0x00|(x&0x0F)));       // X axis initialisation: 0000 xxxx ( x3 x2 x1 x0)      Lcd_Write(CMD,(0x10|((x>>4)&0x07))); // X axis initialisation: 0010 0xxx  ( x6 x5 x4)}//x dir >    y dir from last line to ^void VLine(char x,char y,char on){   char aux[8];   char i;   for(i=0;i<8;i++)      aux[i] = 0;        i = 7;   while(y > 9){      aux[i] = 0xff;      y -= 8;      i--;   }      while(y > 0){      aux[i] >>= 1;      aux[i] |= 0x80;      y --;   }            for(y=0;y<8;y++){      Lcd_Write(CMD,0xB0 | y);      SetX(x);           Lcd_Write(DATA,aux[y]);   }        }// xdir is >       y is always < than y2  can be used for graphsvoid Line(unsigned char x,unsigned char y,unsigned char y2,unsigned char on){   char aux[8];   char i,o;   char c=1;   char index;         for(i=0;i<8;i++)      aux[i] = 0;        index = 0;   for(i=0;i<64;i++){           if(i >= y && i <= y2){         aux[index] |= c << o;      }           o ++;      if(o == 8){         o = 0;         index ++;      }   }               for(i=0;i<8;i++){      Lcd_Write(CMD,0xB0 | i);      SetX(x);           Lcd_Write(DATA,aux[i]);   }      }     void print_char(char c){   int i;                    for ( i = 0; i < 5; i++ ){           if(c<0x50) Lcd_Write(DATA,FontLookup1[c - 0x20][i] << 1);           else if(c>0x4f) Lcd_Write(DATA,FontLookup2[c - 0x50][i] << 1);        }         Lcd_Write(DATA,0x00);         Lcd_Write(CMD,0xaf);} 

test :

#include <16f877a.h>#fuses HS,NOWDT,NOLVP,NOPROTECT#use delay(clock=4000000)#use rs232(baud=19200, xmit=PIN_C6, rcv=PIN_C7,stream=com0)#include "lcd1100.c"void main (void) {      Lcd_Init();   Gotoxy(5,0);   printf(print_char,"Nokia 1100 LCD");   Gotoxy(40,4);   printf(print_char,":D");while(1); } 

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