📄 t6963 lcd应用实验.txt
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//Main.c
//t6963液晶测试程序,数据端口8000H，代码端口8001H
#include "global.c"
void SystemInit();
void KickDog();
void ShowChar(unsigned char,unsigned char,unsigned char);
void ShowHZ(unsigned char,unsigned char,unsigned int);
void Init_Lcd(void);
void Clr_Lcd(void);
void Creat_CGRAM(unsigned char);
void Judge1_Ready(void);
void Judge2_Ready(void);
void Write_Code(void);
void Write1_Data(void);
void Write2_Data(void);
void Lcd_Delay(void);
void Lcd_Delay1(void);
unsigned int temp1,temp2;
unsigned long code_addr,data_addr;
unsigned int LineChar=16;
unsigned int ColumnChar=8;
unsigned int ch1[3][16]={{0x00,0x00,00,00,00,0,00,00,00,00,00,00,00,00,00,00},
{0x11,0x0e,0x37,0x45,0x4c,0x43,0x4f,0x4d,0x45,0x00,0x39,0x4f,0x55,0x3e,0x3e,0x01}, /*;21H!*/
{00,00,00,0x14,0x28,0x50,00,00,00,00,00,00,00,00,00,00}};
unsigned int ch2[][8]= {{0x04,0x04,0x04,0x04,0x04,0x7C,0x04,0x04}, /*北*/
{0x04,0x04,0x0C,0x34,0xE4,0x44,0x04,0x00},
{0x40,0x40,0x40,0x44,0x4E,0x58,0x60,0x40},
{0x40,0x40,0x40,0x42,0x42,0x42,0x3E,0x00},
{0x02,0x01,0x7F,0x00,0x00,0x1F,0x10,0x10}, /*京*/
{0x1F,0x01,0x09,0x19,0x31,0x41,0x05,0x02},
{0x00,0x08,0xFC,0x00,0x00,0xF0,0x10,0x10},
{0xF0,0x00,0x30,0x18,0x0C,0x08,0x00,0x00},
{0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x3F}, /*三*/
{0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00},
{0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0xF8},
{0x00,0x00,0x00,0x00,0x00,0xFE,0x00,0x00},
{0x20,0x27,0x20,0x30,0xAB,0xAA,0xA2,0x23}, /*恒*/
{0x22,0x22,0x23,0x20,0x20,0x2F,0x20,0x00},
{0x00,0xFC,0x00,0x00,0xF8,0x08,0x08,0xF8},
{0x08,0x08,0xF8,0x00,0x00,0xFE,0x00,0x00},
{0x00,0x1F,0x10,0x1F,0x10,0x1F,0x01,0x11}, /*星*/
{0x1F,0x21,0x21,0x4F,0x01,0x01,0x7F,0x00},
{0x00,0xF8,0x08,0xF8,0x08,0xF8,0x00,0x00},
{0xFC,0x00,0x00,0xF8,0x00,0x00,0xFE,0x00},
{0x00,0x00,0xFC,0x05,0x85,0x4A,0x28,0x10}, /*欢*/
{0x18,0x18,0x24,0x24,0x41,0x86,0x38,0x00},
{0x80,0x80,0x80,0xFE,0x04,0x48,0x40,0x40},
{0x40,0x60,0xA0,0x90,0x18,0x0E,0x04,0x00},
{0x40,0x21,0x36,0x24,0x04,0x04,0xE4,0x24}, /*迎*/
{0x25,0x26,0x24,0x20,0x20,0x50,0x8F,0x00},
{0x00,0x80,0x7C,0x44,0x44,0x44,0x44,0x44},
{0x44,0x54,0x48,0x40,0x40,0x00,0xFE,0x00},
{0x08,0x09,0x11,0x12,0x34,0x32,0x52,0x94}, /*您*/
{0x11,0x10,0x00,0x29,0x28,0x68,0x07,0x00},
{0x00,0x00,0xFE,0x04,0x40,0x50,0x48,0x44},
{0x44,0x80,0x00,0x04,0x92,0x12,0xF0,0x00},
};/*北京三恒星欢迎您*/
main()
{
SystemInit(); //系统初始化
MCRA=MCRA & 0xC0FF; //IOPB0-6设为IO口模式
PBDATDIR=0xFFC2; //所有LED=0
PBDATDIR=PBDATDIR |0x003D; //所有LED=1
code_addr=0x8010;
data_addr=0x8000;
MCRC=MCRC & 0xFFF0;
PEDATDIR=PEDATDIR | 0x0200;
PEDATDIR=PEDATDIR & 0xFFFD;
asm(" nop ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
PEDATDIR=PEDATDIR | 0x0202;
Init_Lcd();
ShowChar(0,0,1);
Creat_CGRAM(28);
ShowHZ(4,0,0x80);
ShowHZ(4,2,0x84);
ShowHZ(4,4,0x88);
ShowHZ(4,6,0x8c);
ShowHZ(4,8,0x90);
ShowHZ(4,10,0x94);
ShowHZ(4,12,0x98);
ShowHZ(4,14,0x9c);
while(1);
}
void SystemInit()
{
asm(" SETC INTM "); /* 关闭总中断 */
asm(" CLRC SXM "); /* 禁止符号位扩展 */
asm(" CLRC CNF "); /* B0块映射为 on-chip DARAM*/
asm(" CLRC OVM "); /* 累加器结果正常溢出*/
SCSR1=0x83FE; /* 系统时钟CLKOUT=20*0.5=10M */
/* 打开ADC,EVA,EVB,CAN和SCI的时钟,系统时钟CLKOUT=10M */
WDCR=0x006F; /* 禁止看门狗,看门狗时钟64分频 */
KickDog(); /* 初始化看门狗 */
IFR=0xFFFF; /* 清除中断标志 */
IMR=0x0000; /* 关闭中断*/
}
void ShowChar(unsigned char lin,unsigned char column,unsigned char k)
{
unsigned char i;
unsigned int StartAddr;
StartAddr=lin*LineChar +column; //定位起始行
for(i=0;i<16;i++)
{
data1=(unsigned char)(StartAddr);
data2=(unsigned char)(StartAddr>>8);
data3=0x24;
Write1_Data();
Write2_Data();
Write_Code();
data1=ch1[k][i];
Write1_Data();
data3=0xc4;
Write_Code();
StartAddr=StartAddr + 1;
}
}
void Creat_CGRAM(unsigned char count)
{
unsigned int i,j;
data1=0x03; //CGRAM偏置地址设置
data2=0x00;
data3=0x22;
Write1_Data();
Write2_Data();
Write_Code();
data1=0x00; //RAM地址指针设置
data2=0x1c;
data3=0x24;
Write1_Data();
Write2_Data();
Write_Code();
data3=0x0b0;
Write_Code(); //为自动写入状态
data1=count*8; //汉字字节数
for(i=0;i<count;i++)
{
for(j=0;j<8;j++)
{
Lcd_Delay();
data2=ch2[i][j];
Write2_Data();
}
}
data3=0x0b2;
Write_Code();
Lcd_Delay1();
}
void ShowHZ(unsigned char lin,unsigned char column,unsigned int code)
{
unsigned char i;
unsigned int StartAddr1;
unsigned int temp;
temp=code;
StartAddr1=lin*LineChar +column; //定位起始行
for(i=0;i<4;i++)
{
data1=(unsigned char)(StartAddr1);
data2=(unsigned char)(StartAddr1>>8);
data3=0x24;
Write1_Data();
Write2_Data();
Write_Code();
data1=temp;
Write1_Data();
data3=0xc4;
Write_Code();
if(i==0)
{
temp=temp+2;
StartAddr1=StartAddr1 + 1;
}
if(i==1)
{
temp=temp-1;
StartAddr1=StartAddr1 + 15;
}
if(i==2)
{
temp=temp+2;
StartAddr1=StartAddr1 + 1;
}
}
}
void Init_Lcd()
{
data1=0x00; //图形区首址 (0000H)
data2=0x08;
data3=0x42;
Write1_Data();
Write2_Data();
Write_Code();
data1=0x10; //图形区宽度
data2=0x00;
data3=0x43;
Write1_Data();
Write2_Data();
Write_Code();
data1=0x00; //文本区首址(1000h)
data2=0x00;
data3=0x40;
Write1_Data();
Write2_Data();
Write_Code();
data1=0x10; //文本区宽度
data2=0x00;
data3=0x41;
Write1_Data();
Write2_Data();
Write_Code();
data3=0xa7; //设置光标的形状
Write_Code();
data1=0x0f; //光标指针,data1为列(00-0f)，data2(00-07)为行,8*8框格
data2=0x07;
data3=0x21;
Write1_Data();
Write2_Data();
Write_Code();
data3=0x9f;
Write_Code(); //启用图形和文本显示，光标闪烁
data3=0x81;
Write_Code(); //字符发生器为CGRAM,显示方式为逻辑或
data1=0x00; //置地址指针位置,(*)
data2=0x00;
data3=0x24;
Write1_Data();
Write2_Data();
Write_Code();
Clr_Lcd();
return;
}
void Clr_Lcd()
{
unsigned int p=0,q=0,r=0;
/*data1=0x03; //CGRAM偏置地址设置
data2=0x00;
data3=0x22;
Write1_Data();
Write2_Data();
Write_Code();*/
data2=0x00;
data3=0x0b0;
Write_Code(); //为自动写入状态
data1=0x2000; //清显示RAM 0000H-2000H(8K)
while(data1-->0)
{
//Judge2_Ready();
Lcd_Delay1();
data2=0x0;
Write2_Data();
}
data1=0x00; //置地址指针位置,(*)
data2=0x00;
data3=0x24;
Write1_Data();
Write2_Data();
Write_Code();
data1=0x2000; //写显示RAM 0000H-2000H(8K)
while(data1-->0)
{
Lcd_Delay1();
data2=0x0ff;
Write2_Data();
}
data1=0x00; //置地址指针位置,(*)
data2=0x00;
data3=0x24;
Write1_Data();
Write2_Data();
Write_Code();
data1=0x2000; //清显示RAM 0000H-2000H(8K)
while(data1-->0)
{
Lcd_Delay1();
data2=0x0;
Write2_Data();
}
data3=0x0b2;
Write_Code();
return;
}
void Lcd_Delay()
{
unsigned int i=1;
unsigned int j=1;
while(i--)
{
while(j--){;}
}
}
void Lcd_Delay1()
{
unsigned int i=1;
unsigned int j=100;
while(i--)
{
while(j--){;}
}
}
void Judge1_Ready()
{
do
{
asm(" IN 8010h,_temp1 ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
temp1=temp1&3;
}while(temp1!=3);
temp1=0;
}
void Judge2_Ready()
{
do
{
asm(" IN 8010h,_temp2 ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
temp2=temp2&8;
}while(temp2!=8);
temp2=0;
}
void Write_Code()
{
//Judge1_Ready();
Lcd_Delay();
PEDATDIR=PEDATDIR | 0x2020;
asm(" ldp #010h ");
asm(" OUT 062h,8010h ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
//Lcd_Delay();
return;
}
void Write1_Data()
{
Lcd_Delay();
PEDATDIR=PEDATDIR | 0x2000;
PEDATDIR=PEDATDIR & 0xFFDF;
//Judge1_Ready();
asm(" ldp #010h ");
asm(" OUT 060h,8000h ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
//Lcd_Delay();
return;
}
void Write2_Data()
{
Lcd_Delay();
PEDATDIR=PEDATDIR | 0x2000;
PEDATDIR=PEDATDIR & 0xFFDF;
//Judge1_Ready();
asm(" ldp #010h ");
asm(" OUT 061h,8000h ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
asm(" nop ");
//Lcd_Delay();
return;
}
void KickDog() /*踢除看门狗 */
{
WDKEY=0x5555;
WDKEY=0xAAAA;
}
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