📄 lcd_12232.c
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#include "config.h"
void Io_SetG(uchar group,uchar pin) //单个IO口置位函数
{
unsigned int io_data=1;
io_data=io_data<<pin;
if (group==0)
IO0SET=io_data; //IOSET0为IO线上置位寄存器，1有效，0无
else
IO1SET=io_data;
}
void Io_ClrG(uchar group,uchar pin) //单个IO口置位函数
{
unsigned int io_data=1;
io_data=io_data<<pin;
if (group==0)
IO0CLR=io_data; //IOSET0为IO线上置位寄存器，1有效，0无
else
IO1CLR=io_data;
}
void OUT_DATA(unsigned char data)
{
unsigned char i;
for(i=0;i<8;i++)
{
if(data&1) {Io_SetG(1,i+16);} //把相应的IO口置位或者清零
else {Io_ClrG(1,i+16);}
data=data>>1;
}
}
//延时
void delay(unsigned int i)
{
unsigned int k=6000;
while(i>0)
{
i--;
}
while(k>1)k--;
}
void delayms (unsigned int i) { /* Delay function */
unsigned int n;
while(i>1)
{
for(n=65535;n>1;n--);
i--;
}
}
//左页
//发送数据
void OUTMD(unsigned char i)
{
Io_SetG(A0); //A0_1; //写数据
//delay(5);
Io_SetG(E1); //E1_1;
//delay(10);
OUT_DATA(i); //DATA=i;
//delay(5);
Io_ClrG(E1); //E1_0;
}
//左页
//发送命令
void OUTMI(unsigned char i)
{
Io_ClrG(A0); //A0_0; //写指令
//delay(5);
Io_SetG(E1); //E1_1;
//delay(10);
OUT_DATA(i); //DATA=i;
//delay(5);
Io_ClrG(E1); //E1_0;
}
//右页
//发送数据
void OUTSD(unsigned char i)
{
Io_SetG(A0); //A0_1; //写数据
//delay(5);
Io_SetG(E2); //E2_1;
//delay(10);
OUT_DATA(i); //DATA=i;
//delay(5);
Io_ClrG(E2); //E2_0;
}
//右页
//发送命令
void OUTSI(unsigned char i)
{
Io_ClrG(A0); //A0_0; //写指令
//delay(5);
Io_SetG(E2); //E2_1;
//delay(10);
OUT_DATA(i); //DATA=i;
//delay(5);
Io_ClrG(E2); //E2_0;
}
//初始化
void lcdini(void)
{
Io_ClrG(RW); //RW_0;
OUTMI(0XE2);
//delay(1);
OUTSI(0XE2);//复位
//delay(1);
OUTMI(0XAE);
//delay(1);
OUTSI(0XAE);//POWER SAVE
//delay(1);
OUTMI(0XA4);
//delay(1);
OUTSI(0XA4);//动态驱动
//delay(1);
OUTMI(0XA9);
//delay(1);
OUTSI(0XA9);//1/32占空比
//delay(1);
OUTMI(0XA0);
//delay(1);
OUTSI(0XA0);//时钟线输出
//delay(1);
OUTMI(0XEE);
//delay(1);
OUTSI(0XEE);//写模式
//delay(1);
OUTMI(0X00);
OUTMI(0XC0);
OUTSI(0X00);
OUTSI(0XC0);
OUTMI(0XAF);
OUTSI(0XAF);
}
/*
函数说明：同时设置主从显示页为0－3页。（内函数，私有，用户不直接调用）
------------------------------------------------------------------------
*/
void SetPage(uchar page0,uchar page1)
{
OUTMI(0xB8|page1);OUTSI(0xB8|page0);
}
/*
--------------------------------------------------------------------------------
函数说明：同时设置主从列地址为0－121。（内函数，私有，用户不直接调用）
--------------------------------------------------------------------------------
*/
void SetAddress(uchar address0,uchar address1)
{
OUTMI(address1);OUTSI(address0);
}
/*
--------------------------------------------------------------------------------
调用方式：void PutChar0(uchar ch)
函数说明：在右页当前地址画一个字节8个点。（内函数，私有，用户不直接调用）
--------------------------------------------------------------------------------
-*/
void PutCharR(uchar ch)
{
OUTSD(ch);
}
/*
--------------------------------------------------------------------------------
调用方式：void PutChar1(uchar ch)
函数说明：在左页当前地址画一个字节8个点。（内函数，私有，用户不直接调用）
--------------------------------------------------------------------------------
-*/
void PutCharL(uchar ch)
{
OUTMD(ch);
}
/*
--------------------------------------------------------------------------------
调用方式：void DrawBmp(bit layer,uchar width,uchar *bmp)
函数说明：画一个图,layer表示上下层，width是图形的宽，高都是16，bmp是
图形指针
使用zimo3软件，纵向取模，字节倒序/240字节
--------------------------------------------------------------------------------
-*/
void DrawBmp(unsigned layer,uchar width,unsigned char const *bmp)
{
uchar x,address,i=0; //address表示显存的物理地址
//uchar page=0; //page表示上下两页
uchar window=0; //window表示左右两页
//putcharR //右边
//putcharL //左边
for (x=width;x>1;x--)
{
if (i>60) {window=1;address=i%61;}
else address=i;
if(layer==0) //显示一行八个字
{
SetPage(0,0);
SetAddress(address,address);
if(window==1)PutCharR(bmp[i]);
else PutCharL(bmp[i]);
SetPage(1,1);
SetAddress(address,address);
if(window==1)PutCharR(bmp[i+width]);
else PutCharL(bmp[i+width]);
}
else
{ //显示第二行八个汉字
SetPage(2,2);
SetAddress(address,address);
if(window==1)PutCharR(bmp[i]);
else PutCharL(bmp[i]);
SetPage(3,3);
SetAddress(address,address);
if(window==1)PutCharR(bmp[i+width]);
else PutCharL(bmp[i+width]);
}
i++;
}
}
/*
--------------------------------------------------------------------------------
调用方式：void clrscr(void)
函数说明：清屏
--------------------------------------------------------------------------------
-*/
void clrscr(void)
{
uchar i;
uchar page;
for (page=0;page<4;page++)
{
SetPage(page,page);
SetAddress(0,0);
for (i=0;i<61;i++)
{PutCharR(0);PutCharL(0);}
}
}
//-----------------------------------------------------------
//图片显示
//采用字模2生成或字模3生成的都可以.
//-----------------------------------------------------------
void DrawBmp1(uint x_add, uchar width,unsigned char const *bmp)
{
uchar x,address,i=0; //address表示显存的物理地址
//uchar page=0; //page表示上下两页
uchar window=0; //window表示左右两页
//putcharR //右边
//putcharL //左边
for (x=width;x>1;x--)
{
if (x_add>60) {window=1;address=x_add%61;}
else address=x_add;
SetPage(0,0);
SetAddress(address,address);
if(window==1)PutCharR(bmp[i]);
else PutCharL(bmp[i]);
SetPage(1,1);
SetAddress(address,address);
if(window==1)PutCharR(bmp[i+width]);
else PutCharL(bmp[i+width]);
SetPage(2,2);
SetAddress(address,address);
if(window==1)PutCharR(bmp[i+width+width]);
else PutCharL(bmp[i+width+width]);
SetPage(3,3);
SetAddress(address,address);
if(window==1)PutCharR(bmp[i+width+width+width]);
else PutCharL(bmp[i+width+width+width]);
i++;
x_add++;
}
}
//---------------------------------------------------------------
//---------------------------------------------------------------
//采用zimo2 显示汉字,以汉字的显示方式
//void Draw_word(uchar d_where,uint x_add,bit layer,uchar width)
//d_where表示在码表中第几个汉字，x_add横坐标位置,layer显示的层, width显示的宽度。
//---------------------------------------------------------------
void Draw_word(uchar d_where,uint x_add,uchar layer,uchar width)
{
uchar x,address; //address表示显存的物理地址
//uchar page=0; //page表示上下两页
uchar window=0; //window表示左右两页
//putcharR //右边
//putcharL //左边
d_where=d_where*32;
for (x=width;x>1;x--)
{
if (x_add>60) {window=1;address=x_add%61;}
else address=x_add;
if(layer==0) //显示一行八个字
{
SetPage(0,0);
SetAddress(address,address);
if(window==1)PutCharR(bmp001[d_where]);//右边
else PutCharL(bmp001[d_where]);//左边
SetPage(1,1);
SetAddress(address,address);
if(window==1)PutCharR(bmp001[d_where+width]);
else PutCharL(bmp001[d_where+width]);
}
else
{ //显示第二行八个汉字
SetPage(2,2);
SetAddress(address,address);
if(window==1)PutCharR(bmp001[d_where]);//右边
else PutCharL(bmp001[d_where]);//左边
SetPage(3,3);
SetAddress(address,address);
if(window==1)PutCharR(bmp001[d_where+width]);
else PutCharL(bmp001[d_where+width]);
}
x_add++;
d_where++;
}
}
void delay1s(unsigned char i)
{
while(i>1)
{
i--;
delay(65530);
}
}
void init_port(void)
{
//port initialized
IO1DIR|=0x00FF0000|(1<<24)|(1<<25);
IO0DIR|=(1<<16)|(1<<23);
}
//------------------------------------------------------------------
//字模2显示一个字符
//纵向取模，字节倒序
void Draw_char(uchar d_where,uint x_add,uchar layer,uchar width)
{
uchar x,address; //address表示显存的物理地址
//uchar page=0; //page表示上下两页
uchar window=0; //window表示左右两页
//putcharR //右边
//putcharL //左边
d_where=d_where*16;
for (x=width;x>1;x--)
{
if (x_add>60) {window=1;address=x_add%61;}
else address=x_add;
if(layer==0) //显示一行八个字
{
SetPage(0,0);
SetAddress(address,address);
if(window==1)PutCharR(bmp001[d_where]);//右边
else PutCharL(bmp001[d_where]);//左边
SetPage(1,1);
SetAddress(address,address);
if(window==1)PutCharR(bmp001[d_where+width]);
else PutCharL(bmp001[d_where+width]);
}
else
{ //显示第二行八个汉字
SetPage(2,2);
SetAddress(address,address);
if(window==1)PutCharR(bmp001[d_where]);//右边
else PutCharL(bmp001[d_where]);//左边
SetPage(3,3);
SetAddress(address,address);
if(window==1)PutCharR(bmp001[d_where+width]);
else PutCharL(bmp001[d_where+width]);
}
x_add++;
d_where++;
}
}
//演示程序
int lcd_init()
{
init_port();
lcdini(); //reset
clrscr(); //clr
return 0;
}
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