/*--------------------------------------------------------------------------/ / XD1602A0 Test Code - R0.004b (C)NSYSTECH, 2007 /---------------------------------------------------------------------------/ / XD1602A0 / / (Dot-Matrix Liquid Crystal Display One-Chip Controller/ Driver Supporting Korean/Japanese/Russian/Latin Font Display) / / NSYSTECH /---------------------------------------------------------------------------/ / / Description / The XD1602A0 is a dot-matrix liquid crystal display controller (LCD) and driver LSI that displays Korean characters consisting of hiragana and katakana according to the Korean Industrial Standard KSC 5601. The XD1602A0 incorporates the following five functions on a single chip: (i) display control function for the dot matrix LCD, (ii) a display RAM to store character codes, (iii) ROM fonts to support Korean, (iv) liquid crystal driver, and (v) a booster to drive the LCD. A two 16-character (XD1602A0) Korean display can easily be achieved by receiving character codes (2 bytes/character) from the MPU. / The font ROM includes 2,350 Korean characters from the KSC5601 Set, and 128 half-size alphanumeric characters and symbols. Full-size fonts such as Korean/Japanese/English/Russian/Latin and half-size of fonts such as alphanumeric characters can be displayed together. / In addition, display control equivalent to full bit mapping can be performed through horizontal and vertical dot-by-dot smooth scroll functions for each display line. / Copyright (C) 2007, NSYSTECH.CO.,LTD All Right Reserved. /---------------------------------------------------------------------------/ / Feb 26, 2007 R0.00 Prototype. /---------------------------------------------------------------------------*/ // 89C4051 #include // I/O가 정의 되어 있는 헤더 파일 typedef char BYTE; typedef unsigned char UBYTE; typedef unsigned short ULONG; #define RS_LCD P3_2 //RS P3_0 #define WR_LCD P3_1 //WR P3_1 #define EN_LCD P3_0 //Enable #define P3DR P1 //DATA #define SW1 P3_4 #define SW2 P3_5 /* XD1602 LCD */ #define LCD_EMR 0 // Entry mode #define LCD_FSR 1 // Function Set #define LCD_CCR 2 // Cursor control #define LCD_DCR1 3 // Display Control 1 #define LCD_DCR2 4 // Display Control 2 #define LCD_SCR1 5 // Scroll Control 1 #define LCD_SCR2 6 // Scroll Control 2 #define LCD_SCR3 7 // Scroll Control 3 #define LCD_RAR 8 // RAM Address 1 #define LCD_RDR 9 // RAM Data 1 #define LCD_TSR 0xF // Test 1 /* LCD_TYPE */ //#define ASCII_ONLY 0 #define KOREAN_PLUS 1 void delay(ULONG i); void delay_ms(ULONG ms); void lcd_clear(); void LCD_RCR(); void LCD_EN(); void LCD_DEN(); void LCD_READY_CHK(); void LCD_CONT_REG_WRITE(UBYTE reg_no, UBYTE control_data); void LCD_INIT() ; void CGRAM_INIT(); void lcd_print(ULONG font_addr); void CGRAM_ADDR(UBYTE cgram_addr); void lcd_xy(UBYTE x, UBYTE y); void half_print(UBYTE font_addr); void half_xy(UBYTE x, UBYTE y); UBYTE lcd_type; UBYTE font_type; UBYTE posx, posy; UBYTE CGRAM_DATA2[26]= { // □ 0x3f, 0x3f, 0x20, 0x01, 0x20, 0x01, 0x20, 0x01, 0x20, 0x01, 0x20, 0x01, 0x20, 0x01, 0x20, 0x01, 0x20, 0x01, 0x20, 0x01, 0x20, 0x01, 0x3f, 0x3f, 0x00, 0x00 } ; UBYTE CGRAM_DATA3[26]= { // □ 0x3f, 0x3f, 0x20, 0x02, 0x20, 0x02, 0x20, 0x02, 0x20, 0x02, 0x20, 0x02, 0x20, 0x02, 0x20, 0x02, 0x20, 0x02, 0x20, 0x02, 0x20, 0x02, 0x3f, 0x3f, 0x00, 0x00 } ; unsigned int n_dsp=4; void LCD_RCR() { WR_LCD=1; /* LCD read mode set */ RS_LCD=0; /* get control register */ } void LCD_EN() { EN_LCD=1; /* LCD enable */ } void LCD_DEN() { EN_LCD=0; /* LCD disable */ } void delay_ms(ULONG ms) { ULONG i, j; for(i = 1; i <= ms; i++) for(j = 1; j <= 125; j++); } // delay void DELAY(ULONG i) { while(i--); } void LCD_READY_CHK() { UBYTE temp1; temp1=0; LCD_RCR(); // LCD read mode set do { LCD_EN(); // LCD enable temp1=P3DR; LCD_DEN(); // LCD enable }while(temp1 &0x80); // busy 1인경우 루프 // busy 0인경우 리턴. } void LCD_CONT_REG_WRITE(UBYTE reg_no, UBYTE control_data) { LCD_READY_CHK(); P3DR=reg_no; WR_LCD=0; RS_LCD=0; // IDR SELECT : control LCD_EN(); LCD_DEN(); //DELAY(100); LCD_READY_CHK(); P3DR=control_data; WR_LCD=0; RS_LCD=1; // REGISTER SELECT : data LCD_EN(); LCD_DEN(); //DELAY(100); LCD_READY_CHK(); P3DR=LCD_RDR; // register nuber 9 , RAM data(RDR) WR_LCD=0; RS_LCD=0; // IDR SELECT : control LCD_EN(); LCD_DEN(); } void LCD_INIT() { // LCD initial lcd_type = KOREAN_PLUS; font_type=0; /* initial configuration */ LCD_CONT_REG_WRITE(LCD_DCR1,0x02); LCD_CONT_REG_WRITE(LCD_DCR2,0x21); LCD_CONT_REG_WRITE(LCD_SCR1,0x00); LCD_CONT_REG_WRITE(LCD_SCR2,0x00); LCD_CONT_REG_WRITE(LCD_SCR3,0x00); LCD_CONT_REG_WRITE(LCD_TSR,0x00); /* cusor off */ LCD_CONT_REG_WRITE(LCD_CCR,0x00); /* LCD clear and home */ LCD_CONT_REG_WRITE(LCD_FSR,0x55); // booster on (bit6:0 changed) /* increment set */ LCD_CONT_REG_WRITE(LCD_EMR,0x04); posx=0; posy=0; } void lcd_clear() { LCD_CONT_REG_WRITE(LCD_FSR,0x15); posx=0; posy=0; //lcd_xy(posx, posy); } void black() { int i=0;//, x=0; lcd_xy(0,0); for(i=0 ; i<16 ; i++){ lcd_print(0x22a); posx=posx+0x02; } lcd_xy(0,1); for(i=16 ; i<32 ; i++){ lcd_print(0x22a); posx=posx+0x02; } } //---------------------------------------------------------------------- // Lcd_Xy //---------------------------------------------------------------------- void lcd_xy(UBYTE x, UBYTE y) { UBYTE LcdPutXy; posx=x; posy=y; //printf("position [x=%02x, y=%02x] \r\n", posx, posy); switch(y) { case 0: // first line LcdPutXy = x; LCD_CONT_REG_WRITE(LCD_RAR, LcdPutXy); break; case 1: // second line LcdPutXy = x + 0x40; LCD_CONT_REG_WRITE(LCD_RAR, LcdPutXy); break; default: break; } //printf("position [x=%d, y=%d] \r\n", posx, posy); } void half_xy(UBYTE x, UBYTE y) { UBYTE LcdPutXy; posx=x; posy=y; switch(y) { case 0: // first line LcdPutXy = x; LCD_CONT_REG_WRITE(LCD_RAR, LcdPutXy); //Put_Lcd_Char(LcdPutXy); break; case 1: // second line LcdPutXy = x + 0x40; LCD_CONT_REG_WRITE(LCD_RAR, LcdPutXy); //Put_Lcd_Char(LcdPutXy); break; default: break; } //printf("pos=%02x, ",LcdPutXy); //printf("position [x=%d, y=%d] \r\n", posx, posy); } void CGRAM_ADDR(UBYTE cgram_addr) { LCD_READY_CHK(); P3DR=cgram_addr; WR_LCD=0; RS_LCD=1; LCD_EN(); LCD_DEN(); delay_ms(1); } void lcd_print(ULONG font_addr) { UBYTE temp1;//, temp2, temp3; if(n_dsp==1) { font_addr |= 0x2000; } else if(n_dsp==2) { font_addr |= 0x4000; } else if(n_dsp==3) { font_addr |= 0x6000; } else{ font_addr &= 0xfff; } LCD_READY_CHK(); temp1=(UBYTE)(font_addr&0xff); P3DR=temp1; WR_LCD=0; RS_LCD=1; LCD_EN(); LCD_DEN(); LCD_READY_CHK(); temp1=(UBYTE)(font_addr>>8); P3DR=temp1; WR_LCD=0; RS_LCD=1; LCD_EN(); LCD_DEN(); delay_ms(1); } void half_print(UBYTE font_addr) { UBYTE temp1;//, temp2, temp3; font_addr |= 0x80; LCD_READY_CHK(); temp1=(UBYTE)(font_addr&0xff); P3DR=temp1; WR_LCD=0; RS_LCD=1; LCD_EN(); LCD_DEN(); } void CGRAM_INIT() { UBYTE i=0,j=0; //---------------- // CGRAM TEST //---------------- LCD_CONT_REG_WRITE(LCD_EMR,0x06); // CGRAM select // CGRAM first font write for(j=0;j<26;j++) { LCD_CONT_REG_WRITE(LCD_RAR, 0x00+j); //0x0000 CGRAM_ADDR(0x3f); //"■ } // CGRAM second font write for(j=0;j<26;j++) { LCD_CONT_REG_WRITE(LCD_RAR, 0x1a+j); CGRAM_ADDR(CGRAM_DATA2[j]); // "□" 0x0001 } // CGRAM third font write for(j=0;j<26;j++) { LCD_CONT_REG_WRITE(LCD_RAR, 0x34+j); CGRAM_ADDR(CGRAM_DATA3[j]); // "□" 0x0002 } // CGRAM fourth font write for(j=0;j<26;j++) { LCD_CONT_REG_WRITE(LCD_RAR, 0x4e+j); CGRAM_ADDR(0x2a); // "Ⅲ" 0x0003 } i=0; for(j=0;j<7;j++) { LCD_CONT_REG_WRITE(LCD_RAR, 0x68+i); CGRAM_ADDR(0x3f); // "■" //0x0004 LCD_CONT_REG_WRITE(LCD_RAR, 0x68+i+1); CGRAM_ADDR(0x3f); // "■" //0x0004 LCD_CONT_REG_WRITE(LCD_RAR, 0x68+i+2); CGRAM_ADDR(0x00); // LCD_CONT_REG_WRITE(LCD_RAR, 0x68+i+3); CGRAM_ADDR(0x00); // i=j*4;; } LCD_CONT_REG_WRITE(LCD_EMR,0x04); // CGRAM select } void main() { UBYTE i=0,j=0,k=0,l=0; ULONG c_full; LCD_INIT(); delay_ms(100); black(); delay_ms(1500); CGRAM_INIT(); #if 0 // halft font test for(i=0; i<32 ; i++) { half_xy(j,0); c_half=i*0x01; //printf("c_half=%02x, ",c_half); half_print(c_half); j++; delay_ms(10); } //printf("\r\n===============================\r\n"); delay_ms(500);j=0; for(i=32; i<64; i++) { half_xy(j,1); c_half=i*0x01; //printf("c_half=%02x, ",c_half); half_print(c_half); j++; delay_ms(10); } //printf("\r\n===============================\r\n"); delay_ms(500);j=0; for(i=64; i<96; i++) { half_xy(j,0); c_half=i*0x01; //printf("c_half=%02x, ",c_half); half_print(c_half); j++; delay_ms(10); } //printf("\r\n===============================\r\n"); delay_ms(500);j=0; for(i=96; i<128 ; i++) { half_xy(j,1); c_half=i*0x01; //printf("c_half=%02x, ",c_half); half_print(c_half); j++; delay_ms(10); } #endif //cgram test CGRAM_INIT(); do{ #if 1 //////////////////////////////////////////// // full charcter display //////////////////////////////////////////// i=0;j=0;k=0;l=0; for(l=0; l<128 ; l++) { // line 1 for(i=k; i