vdf.zip_vdf

//#ifndef _vdf_INCLUDED_ //#define _vdf_INCLUDED_ #define rs PORTA.0 #define rw PORTA.1 #define e PORTA.2 void lcd_init(void); //OK void lcd_clear(void); //OK void lcd_gotoxy(unsigned char, unsigned char); //check void lcd_putchar(unsigned char); //OK void lcd_putsf(flash unsigned char *); //check void lcd_brightness(unsigned char ); //OK void write_data(unsigned char ); void write_cmd(unsigned char ); void write_8bit_cmd(char); void vdf_on(void); void vdf_off(void); //***************************************************** void lcd_init(void) { delay_ms(15); write_8bit_cmd(0x30); delay_ms(15); //4.1ms+ ;10ms write_8bit_cmd(0x30); delay_ms(15);//.100ms+ ;10ms write_8bit_cmd(0x30); delay_ms(15);//0ms+ ; 10ms write_8bit_cmd(0x20); /* 4 bit mode */ delay_ms(10); //DD RAM address //DB7=1 + ADD ranges 0-27 line 1, 40h-67h line2w rs=0; rw=0; //set shift and cursor write_cmd(0x06); delay_ms(10); write_cmd(0x0C); //display ON antes f bink cursor delay_ms(10); lcd_gotoxy(0,0); // delay_us(5); //write_cmd(0x80); //address= 00h // delay_ms(10); //disp_clear(); //encender el display D=1 0x0C lcd_brightness(1); } void lcd_clear(void) { write_cmd(0x01); delay_ms(5); } void lcd_gotoxy(unsigned char x,unsigned char y) { write_cmd(0x80+x+0x40*y);// antes 0x80+x+0x40*y } void lcd_putchar(unsigned char code) { write_data(code); } void lcd_putsf(flash unsigned char *str) { //lcd_gotoxy(0,0); while(str[0]) { lcd_putchar(str[0]); // printf("%c",str[0],); str++; } } void lcd_brightness(unsigned char b) { write_cmd(0x28); write_data(b); } void vdf_on(void) { write_cmd(0x0c); //display ON delay_ms(10); } void vdf_off(void) { write_cmd(0x08); //display ON delay_ms(10); } void write_8bit_cmd(unsigned char cmd) { unsigned char temp; rs=0; rw=0; // DDRA=0x00; temp=PORTA; temp=temp&0x0F; //limpio la parte del comando (MSB) temp|=(cmd&0xF0); // DDRA=0xff; PORTA=temp; e=1; delay_us(1); e=0; delay_ms(1); } //#endif void write_cmd(unsigned char cmd) { unsigned char temp; rs=0; rw=0; //DDRA=0x00; temp=PORTA; temp&=0x0f; temp|= (cmd&0xf0); //DDRA=0xff; PORTA=temp; // PORTA=cmd&0xf0; e=1; delay_us(1); e=0; delay_us(50); //DDRA=0x00; temp=PORTA; temp&=0x0f; temp|= (cmd<<4); //DDRA=0xff; PORTA=temp; e=1; delay_us(1); e=0; delay_ms(1); } void write_data(unsigned char dat) { unsigned char temp; rs=1; rw=0; //DDRA=0x00; temp=PORTA; temp&=0x0f; temp|=(dat& 0xf0); //DDRA=0xff; PORTA=temp; // PORTA= // PORTA&= (dat|0x0f); e=1; delay_us(1); e=0; delay_us(50); temp=PORTA; //DDRA=0x00; temp&=0x0f; temp|=(dat<<4); //DDRA=0xff; PORTA=temp; // PORTA&= (dat<<4)|0x0F; e=1; delay_us(1); e=0; rs=0; delay_ms(1); }