效果图:
C51 代码1
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123//STC12C5A60S2 @12M晶振
#include <STC12C5A60S2.H>
#include <intrins.h>
sbit R1 = P0 ^ 0;
sbit G1 = P0 ^ 1;
sbit B1 = P0 ^ 2;
sbit R2 = P0 ^ 3;
sbit G2 = P0 ^ 4;
sbit B2 = P0 ^ 5;
sbit IA = P2 ^ 7; //行控制线A
sbit IB = P2 ^ 6; //行控制线B
sbit IC = P2 ^ 5; //行控制线C
sbit ID = P2 ^ 4; //行控制线D
sbit CK = P2 ^ 2; //时钟
sbit LS = P2 ^ 1; //锁存
sbit OE = P2 ^ 0; //输出，低电平有效
#define uint unsigned int
#define uchar unsigned char
#define SCAN(X) IA=(X)&1; IB=(X)&2; IC=(X)&4; ID=(X)&8;
uchar xdata Red_Gray[1][16][8]=0; //行，灰度，列
uchar xdata Green_Gray[1][16][8]=0;
uchar xdata Blue_Gray[1][16][8]=0;
uchar code color[]={ //G B R
0X03,0X0F,0X04,0X0F,0X06,0X0F,0X08,0X0F,0X0A,0X0F,0X0C,0X0F,0X0E,0X0F,0X0F,0X0F, //1111 1111 0000 1111
0XAF,0X00,0XAF,0X00,0XAF,0X00,0XAF,0X00,0X9F,0X01,0X9F,0X01,0X9F,0X01,0X9F,0X02,
0X8F,0X02,0X8F,0X02,0X7F,0X03,0X7F,0X03,0X7E,0X04,0X6E,0X04,0X6E,0X04,0X5E,0X05,
0X5E,0X05,0X4E,0X06,0X4E,0X06,0X4E,0X07,0X3D,0X07,0X3D,0X07,0X2D,0X08,0X2D,0X08,
0X2D,0X09,0X1D,0X09,0X1D,0X09,0X1D,0X0A,0X0C,0X0A,0X0C,0X0B,0X0C,0X0B,0X0C,0X0B,
0X0C,0X0B,0X0C,0X0C,0X0C,0X0C,0X0B,0X0C,0X0B,0X0C,0X0B,0X0C,0X0B,0X0D,0X0B,0X0D,
0X0A,0X0D,0X0A,0X0D,0X0A,0X0D,0X0A,0X0D,0X0A,0X0D,0X19,0X0E,0X19,0X0E,0X19,0X0E,
0X19,0X0E,0X19,0X0E,0X18,0X0E,0X28,0X0E,0X28,0X0E,0X28,0X0E,0X28,0X0E,0X28,0X0E,
0X28,0X0F,0X37,0X0F,0X37,0X0F,0X37,0X0F,0X37,0X0F,0X37,0X0F,0X37,0X0F,0X37,0X0F,
};
void Delay100us() //@12.000MHz
{
unsigned char i, j;
_nop_();
_nop_();
i = 2;
j = 38;
do
{
while (--j);
} while (--i);
}
void RGB444_2_16gray()
{
uchar row,line,bitn;
int r,g,b,j;
for(row=0;row<1;row++)//每行
{
for(line=0;line<8;line++)//字节列
{
for(bitn=0;bitn<8;bitn++)//位
{
r=color[row*128+line*16+bitn*2+1]&0x0f; //分离红色通道
g=(color[row*128+line*16+bitn*2]>>4)&0x0f; //分离绿色通道
b=color[row*128+line*16+bitn*2]&0x0f; //分离蓝色通道
for(j=0;j<16;j++)//16级灰度
{
((r-j)>0)?(Red_Gray[row][j][line]|=0x01<<(7-bitn)):(Red_Gray[row][j][line]&=~0x01<<(7-bitn)); //计算灰度 并存入红色通道显存地址
((g-j)>0)?(Green_Gray[row][j][line]|=0x01<<(7-bitn)):(Green_Gray[row][j][line]&=~0x01<<(7-bitn));//计算灰度 并存入绿色通道显存地址
((b-j)>0)?(Blue_Gray[row][j][line]|=0x01<<(7-bitn)):(Blue_Gray[row][j][line]&=~0x01<<(7-bitn)); //计算灰度 并存入蓝色通道显存地址
}
}
}
}
}
void Frane_Interlac_Scan()
{
uchar RowCount,Gray16,LineCount,Byte2bit,R1_ColorBuff,G1_ColorBuff,B1_ColorBuff;
uchar i;
for(i = 0; i < 2; i++) //扫描行
{
SCAN(i);
for(Gray16=0;Gray16<16;Gray16++)
{
for(LineCount=0;LineCount<8;LineCount++)
{
//字节数据RGB
R1_ColorBuff=Red_Gray[RowCount][Gray16][LineCount];
G1_ColorBuff=Green_Gray[RowCount][Gray16][LineCount];
B1_ColorBuff=Blue_Gray[RowCount][Gray16][LineCount];
for(Byte2bit=0;Byte2bit<8;Byte2bit++)
{
R1=R1_ColorBuff>>7;
R2=R1;
G1=G1_ColorBuff>>7;
G2=G1;
B1=B1_ColorBuff>>7;
B2=B1;
CK=1;
CK=0;
R1_ColorBuff<<=1;
G1_ColorBuff<<=1;
B1_ColorBuff<<=1;
}
}
LS=1;//行数据锁存
LS=0;
OE=0;//显示
Delay100us();
OE=1;//不显示
}
}
}
void main()
{
RGB444_2_16gray();
while(1)
{
Frane_Interlac_Scan();
}
}