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#include "STC15W4K32S4.h" //單片機定義文件
#include "intrins.h" //調(diào)用_nop_();延時函數(shù)用
#include "pixel.h" //字符和漢字
#define LCD_Data_Out P0
sbit RW = P1^0;
sbit RS = P1^1;
sbit RST= P1^2;
sbit CS = P1^3;
sbit E = P1^4;
#define X_WIDTH 132
#define Y_WIDTH 64
//*****************延時********************
void delay_ms(uint t)
{
int ii,jj;
if(t<1) t=1;
for(ii = 0; ii < t; ii++)
for(jj = 0; jj < 2670; jj++); //busclk:16MHz--1ms
}
/***************************LCD12864************************/
//**************************寫命令**************************
void LCD_WrCmd(byte cmd) //寫命令
{
RS = 0; CS = 0; RW = 0; E = 1;
P0 = cmd;
_nop_();
E = 0;
}
//**************************寫數(shù)據(jù)**************************
void LCD_WrDat(byte date) //--寫數(shù)據(jù)
{
RS = 1; CS = 0; RW = 0; E = 1;
P0 = date;
_nop_();
E = 0;
}
//************************清屏*****************************
void LCD_Fill(byte bmp_data)
{
byte y,x;
for(y = 0; y < 8; y++) //分頁，總共8頁
{
LCD_WrCmd(0xb0+y); //設置頁地址
LCD_WrCmd(0x01); //設置column地址低地址
LCD_WrCmd(0x10); //設置column地址高地址
for(x = 0; x < X_WIDTH; x++)
LCD_WrDat(bmp_data);
}
}
//*************************定指針坐標***********************
void LCD_Set_Pos(byte x, byte y) //定坐標,指針的位置
{
LCD_WrCmd(0xb0+y); //定初始頁 ---P39
LCD_WrCmd(((x&0xf0)>>4)|0x10); //坐標在column的位置MSB ---P40
LCD_WrCmd((x&0x0f)|0x01); //LSB 0X01 ---P40
}
//************************LCD初始化*************************
void LCD_Init(void)
{
RST = 0; //指令表---P37
delay_ms(10);
RST = 1;
delay_ms(0);
LCD_WrCmd(0xaf); //0xaf LCD On ---P39
LCD_WrCmd(0x2f); //0x2f 設置上電控制模式 ---P44
LCD_WrCmd(0x81); //0x81 電量設置模式（顯示亮度---P45
LCD_WrCmd(0x1a); //指令數(shù)據(jù)0x0000~0x003f
LCD_WrCmd(0x24); //0x24 V5內(nèi)部電壓調(diào)節(jié)電阻設置---P45
LCD_WrCmd(0xa2); //0xa2 5V,0xa1 3V3 LCD偏壓設置---P42
LCD_WrCmd(0xc0); //0xc8 正常,0xc0 倒置 Com 掃描方式設置
LCD_WrCmd(0xa1); //0xa0 正常,0xa1 反向 Segment方向選擇---P42
LCD_WrCmd(0xa4); //0xa4 全屏點亮/變暗指令 ---P42
LCD_WrCmd(0xa6); //0xa6 正向反向顯示控制指令 ---P42
LCD_WrCmd(0xac); //0xac 關閉靜態(tài)指示器---P46
LCD_WrCmd(0x00); //指令數(shù)據(jù)
LCD_WrCmd(0x40+32); //0x40+32 設置顯示起始行對應RAM---P39
LCD_Fill(0x00); //初始清屏
LCD_Set_Pos(0,0); //指針的位置
}
/******************************輸出字符****************************/
void LCD_P6x8Str(byte x,byte y,byte ch[]) //輸入字符
{
byte c = 0, i = 0, j = 0;
while(ch[j]!='\0')
{
c = ch[j]-48; //F6x8[c][i]從032開始建立ASCLL碼數(shù)組，要查找，需減32
if(x>126)
{ x=0;y++; }
LCD_Set_Pos(x,y);
for(i=0;i<6;i++)
LCD_WrDat(F6x8[c][i]);
x += 6;
j++;
}
}
void LCD_P8x16Str(byte x,byte y,byte ch[])
{
}
/******************************輸出漢字字符串***********************/
void LCD_P14x16Str(byte x,byte y,byte ch[])
{
byte wm=0,ii = 0; //字節(jié):0xff
uint adder = 1; //字:0xffff
while(ch[ii] != '\0')
{
wm = 0;
adder = 1;
while(F14x16_Idx[wm] > 127) //why
{
if(F14x16_Idx[wm] == ch[ii])
{
if(F14x16_Idx[wm + 1] == ch[ii + 1])
{
adder = wm * 14;
break;
}
}
wm += 2;
}
if(x>118)
{ x=0; y++; }
LCD_Set_Pos(x, y);
if(adder != 1) //顯示漢字
{
LCD_Set_Pos(x, y);
for(wm = 0; wm < 14; wm++)
{
LCD_WrDat(F14x16[adder]);
adder += 1;
}
LCD_Set_Pos(x,y + 1);
for(wm = 0; wm < 14; wm++)
{
LCD_WrDat(F14x16[adder]);
adder += 1;
}
}
else //顯示空白字符
{
ii += 1;
LCD_Set_Pos(x,y);
for(wm = 0; wm < 16; wm++)
{
LCD_WrDat(0);
}
LCD_Set_Pos(x,y + 1);
for(wm = 0; wm < 16; wm++)
{
LCD_WrDat(0);
}
}
x += 14;
ii += 2;
}
}
//******************輸出漢字和字符混合字符串**********************
void LCD_Print(byte x, byte y, byte ch[])
{
byte ch2[3];
byte ii = 0;
while(ch[ii] != '\0')
{
if(ch[ii] > 127) //漢字的碼>127
{
ch2[0] = ch[ii];
ch2[1] = ch[ii + 1];
ch2[2] = '\0'; //漢字為兩個字節(jié)
LCD_P14x16Str(x, y, ch2); //顯示漢字
x += 14; //不太理解
ii += 2;
}
else
{
ch2[0] = ch[ii];
ch2[1] = '\0'; //字母占一個字節(jié)
LCD_P8x16Str(x, y, ch2); //顯示字母
x += 8;
ii += 1;
}
}
}
void Draw_BMP(byte x0,byte y0,byte x1,byte y1,byte bmp[])
{
}
/**********************主函數(shù)*******************************/
main()
{
LCD_Init(); //LCD初始化
while(1)
{
LCD_P6x8Str(0,5,"51");
LCD_Print(12,4,"黑電子論壇");
LCD_P6x8Str(12,7,"51");
LCD_Print(24,14,"黑電子論壇");
LCD_P6x8Str(24,9,"51");
LCD_Print(36,0,"黑電子論壇");
LCD_P6x8Str(33,2,"============");
LCD_P6x8Str(0,3,"http:www51heicom");
}
}

復制代碼

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