lm9864.c

基于三星S6B0724驱动的PIC点阵液晶98*98点阵程序

#include <pic.h> 
#define portat(address,bits) ((unsigned)(&address)*8+(bits)) 
#define portdata PORTD 
#define lcd_time 0xff 
static volatile bit RS @ portat(PORTC,0); 
static volatile bit RW @ portat(PORTC,1); 
static volatile bit E @ portat(PORTC,2); 
static volatile bit RST @ portat(PORTC,3); 
volatile unsigned char PAGE; 
volatile unsigned char x_line; 
volatile unsigned char y_line; 
const unsigned char sz_number[160]={0x00,0x07,0x08,0x10,0x10,0x08,0x07,0x00,0x00,0xF0,0x08,0x04,0x04,0x08,0xF0, 
0x00,0x00,0x08,0x08,0x1F,0x00,0x00,0x00,0x00,0x00,0x04,0x04,0xFC,0x04,0x04,0x00,0x00,0x00,0x0E,0x10,0x10,0x10, 
0x11,0x0E,0x00,0x00,0x0C,0x14,0x24,0x44,0x84,0x0C,0x00,0x00,0x0C,0x10,0x11,0x11,0x12,0x0C,0x00,0x00,0x18,0x04, 
0x04,0x04,0x88,0x70,0x00,0x00,0x00,0x03,0x04,0x08,0x1F,0x00,0x00,0x00,0xE0,0x20,0x24,0x24,0xFC,0x24,0x00, 
0x00,0x1F,0x10,0x11,0x11,0x10,0x10,0x00,0x00,0x98,0x84,0x04,0x04,0x88,0x70,0x00,0x00,0x07,0x08,0x11,0x11,0x18, 
0x00,0x00,0x00,0xF0,0x88,0x04,0x04,0x88,0x70,0x00,0x00,0x1C,0x10,0x10,0x13,0x1C,0x10,0x00,0x00,0x00,0x00,0xFC, 
0x00,0x00,0x00,0x00,0x00,0x0E,0x11,0x10,0x10,0x11,0x0E,0x00,0x00,0x38,0x44,0x84,0x84,0x44,0x38,0x00,0x00,0x07, 
0x08,0x10,0x10,0x08,0x07,0x00,0x00,0x00,0x8C,0x44,0x44,0x88,0xF0,0x00}; 
const unsigned char hz_charater[] = {0x00,0x08,0x86,0x60,0x07,0x00,0x08,0x08,0xFF,0x88,0x08,0x08,0xFF,0x88,0x18,0x00, 
0x00,0x10,0x1E,0xE0,0x00,0x42,0x44,0x58,0xD0,0x40,0x40,0x40,0xD0,0x48,0xC6,0x40,0x00,0x10,0x10,0x10,0x10,0x1E,0x11, 
0x10,0xF0,0x90,0x11,0x1E,0x10,0x10,0x30,0x10,0x00,0x02,0x02,0x04,0x04,0x08,0x88,0x50,0x20,0x50,0x88,0x08,0x04,0x04, 
0x02,0x02,0x00,0x10,0x13,0xFF,0x92,0x31,0x00,0x00,0x1F,0x10,0x30,0xD0,0x90,0x10,0x3F,0x10,0x00,0x60,0x80,0xFE,0x00, 
0x80,0x00,0x00,0xFE,0x84,0x84,0x84,0x84,0x84,0xFE,0x00,0x04,0x04,0x84,0x67,0x02,0x04,0x7A,0x43,0x42,0x42,0xF2,0x4B, 
0x08,0x08,0x00,0x00,0x00,0x00,0xF0,0x24,0x44,0x08,0x88,0x50,0x20,0x50,0x88,0x0C,0x08,0x00, 
0x04,0x84,0x44,0x67,0x00,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x0C,0x04,0x00,0x00, 
0x00,0x00,0xF8,0x10,0x20,0x00,0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0x00}; 
void system_inti(void) 
{ 
  INTCON = 0x00; 
  TRISC = 0xf0; 
  TRISD = 0x00; 
  di(); 
  } 
void lcd_delay(unsigned int number) 
{ 
  unsigned int i; 
   for (i=0;i<number;i++) 
    { 
     } 
} 
void lcd_rst(void) 
{ 
   RST = 0; 
   lcd_delay(lcd_time); 
   RST = 1; 
   lcd_delay(lcd_time); 
  } 
void lcd_busy(void) 
{ 
  unsigned char temp; 
  portdata = 0xff; 
  RS = 0; 
  RW = 1; 
  E=1; 
  TRISD = 0xff; 
  temp = portdata; 
  E = 0; 
  while (temp & 0x80); 
  TRISD = 0x00; 
  return; 
  } 
void write_command(unsigned char send_command) 
{ 
  lcd_busy(); 
  RS = 0; 
  RW = 0; 
  portdata = send_command; 
  E = 1; 
  lcd_delay(0x02); 
  E = 0; 
  } 
void write_data(unsigned char send_data) 
{ 
  lcd_busy(); 
  write_command(x_line); 
  write_command(y_line); 
  RS = 1; 
  RW = 0; 
  portdata = send_data; 
  E = 1; 
  lcd_delay(0x02); 
  E = 0; 
  y_line ++; 
  if ((y_line & 0x0f) == 0x00) 
   { 
    x_line++; 
    y_line = 0x00; 
    } 
  } 
void disp_data(unsigned char x, unsigned char y, unsigned char page,unsigned char charater, unsigned char size) 
{ 
  unsigned char i; 
  x_line = x; 
  y_line = y; 
  PAGE = page; 
  write_command(PAGE); 
  if (size == 0x00) 
{ 
    for (i = 0; i < 8;i++) 
    { 
      write_data(sz_number[charater*16+i]); 
     } 
    PAGE = PAGE - 1; 
    write_command(PAGE); 
    x_line = x; 
    y_line = y; 
    for (i = 0; i < 8;i++) 
    { 
      write_data(sz_number[charater*16+i+8]); 
    } 
  } 
  else 
{ 
  for (i = 0; i < 16;i++) 
    { 
      write_data(hz_charater[charater*32+i]); 
     } 
    PAGE = PAGE - 1; 
    write_command(PAGE); 
    x_line = x; 
    y_line = y; 
    for (i = 0; i < 16;i++) 
    { 
      write_data(hz_charater[charater*32+i+16]); 
    } 
} 
} 
void lcd_init(void) 
{ 
  system_inti(); 
  lcd_rst(); 
  write_command(0xe2); 
  write_command(0xa2); 
  write_command(0xa0); 
  write_command(0xc0); 
  write_command(0x2f); 
  write_command(0x81); 
  write_command(0x2f); 
  write_command(0x40); 
  write_command(0xe0); 
  write_command(0xaf); 
  } 
void lcd_clear(void) 
{ 
    unsigned char i,j; 
     
    PAGE = 0xb0; 
    for(i = 0;i < 8;i++) 
    {   
       x_line = 0x10; 
       y_line = 0x00; 
       write_command(PAGE); 
        for(j=0;j<98;j++) 
        { 
          write_data(0x00); 
     } 
       PAGE++; 
     } 
} 
void main(void) 
{ 
  lcd_delay(10000); 
  lcd_init(); 
  write_command(0x40); 
  lcd_clear(); 
  disp_data(0x11,0x00,0xb4,0,0x00); 
  disp_data(0x11,0x08,0xb4,1,0x00); 
  disp_data(0x12,0x00,0xb4,2,0x00); 
  disp_data(0x12,0x08,0xb4,3,0x00); 
  disp_data(0x13,0x00,0xb4,4,0x00); 
  disp_data(0x13,0x08,0xb4,5,0x00); 
  disp_data(0x14,0x00,0xb4,6,0x00); 
  disp_data(0x14,0x08,0xb4,7,0x00); 
  disp_data(0x15,0x00,0xb4,8,0x00); 
  disp_data(0x15,0x08,0xb4,9,0x00); 
  disp_data(0x11,0x06,0xb2,0,0xff); 
  disp_data(0x12,0x06,0xb2,1,0xff); 
  disp_data(0x13,0x06,0xb2,2,0xff); 
  while (1) 
  { 
   } 
  }