398 lines
8.4 KiB
C
398 lines
8.4 KiB
C
//LCM resolution:240x320,
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//driver IC:ST7789V,
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#include <STC15F2K60S2.H>
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#include <chinese_code.h>
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//液晶屏IC所需要的信号线的接口定义
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sbit cs1=P3^5;
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sbit reset=P3^3;
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sbit rs=P3^0;
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sbit sclk=P3^4;
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sbit sid=P3^2;
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sbit IM1=P3^6;
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sbit IM2=P3^7;
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sbit key=P2^0; //P2.0口与GND之间接一个按键
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/*写指令到LCD模块*/
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void transfer_command(int data1)
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{
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char i;
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cs1=0;
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rs=0;
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for(i=0;i<8;i++)
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{
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sclk=0;
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if(data1&0x80) sid=1;
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else sid=0;
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sclk=1;
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data1=data1<<=1;
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}
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cs1=1;
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}
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/*写数据到LCD模块*/
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void transfer_data(int data1)
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{
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char i;
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cs1=0;
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rs=1;
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for(i=0;i<8;i++)
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{
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sclk=0;
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if(data1&0x80) sid=1;
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else sid=0;
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sclk=1;
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data1=data1<<=1;
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}
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cs1=1;
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}
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//连写2个字节（即16位）数据到LCD模块
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void transfer_data_16(uint data_16bit)
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{
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transfer_data(data_16bit>>8);
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transfer_data(data_16bit);
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}
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void delay(long i)
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{
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int j,k;
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for(j=0;j<i;j++)
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for(k=0;k<110;k++);
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}
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void Switch()
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{
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repeat:
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if (key==1) goto repeat;
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else delay(1000);
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if (key) goto repeat;
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else ;
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}
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void lcd_initial()
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{
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reset=0;
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delay(200);
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reset=1;
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delay(200);
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//************* Start Initial Sequence **********//
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//------------------------------display and color format setting--------------------------------//
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transfer_command(0x36); //行扫描顺序及RGB，列扫描顺序，横放/竖放
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transfer_data(0x00);
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transfer_data(0x48);
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transfer_command(0xB6); //显示功能设置：列/行 显示顺序
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transfer_data(0x0A);
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transfer_data(0x82); //改变SOURCE线的方向：0xa2：左到右，0x82：右到左
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transfer_command(0x3a); //256K 16bit/pixel
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transfer_data(0x05);
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//--------------------------------ST7789V Frame rate setting----------------------------------//
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transfer_command(0xb2);
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transfer_data(0x0c);
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transfer_data(0x0c);
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transfer_data(0x00);
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transfer_data(0x33);
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transfer_data(0x33);
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transfer_command(0xb7);
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transfer_data(0x35);
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//---------------------------------ST7789V Power setting--------------------------------------//
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transfer_command(0xbb);
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transfer_data(0x28);
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transfer_command(0xc0);
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transfer_data(0x2c);
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transfer_command(0xc2);
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transfer_data(0x01);
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transfer_command(0xc3);
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transfer_data(0x10);
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transfer_command(0xc4);
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transfer_data(0x20);
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transfer_command(0xc6);
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transfer_data(0x0f);
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transfer_command(0xd0);
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transfer_data(0xa4);
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transfer_data(0xa1);
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//--------------------------------ST7789V gamma setting---------------------------------------//
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transfer_command(0xe0);
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transfer_data(0xd0);
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transfer_data(0x00);
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transfer_data(0x02);
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transfer_data(0x07);
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transfer_data(0x0a);
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transfer_data(0x28);
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transfer_data(0x32);
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transfer_data(0x44);
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transfer_data(0x42);
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transfer_data(0x06);
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transfer_data(0x0e);
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transfer_data(0x12);
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transfer_data(0x14);
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transfer_data(0x17);
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transfer_command(0xe1);
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transfer_data(0xd0);
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transfer_data(0x00);
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transfer_data(0x02);
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transfer_data(0x07);
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transfer_data(0x0a);
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transfer_data(0x28);
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transfer_data(0x31);
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transfer_data(0x54);
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transfer_data(0x47);
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transfer_data(0x0e);
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transfer_data(0x1c);
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transfer_data(0x17);
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transfer_data(0x1b);
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transfer_data(0x1e);
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transfer_command(0x11); //退出睡眠
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delay(200);
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transfer_command(0x29); //打开显示
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}
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//定义窗口坐标：开始坐标（XS,YS)以及窗口大小（x_total,y_total)
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void lcd_address(int XS,int YS,int x_total,int y_total)
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{
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int XE,YE;
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XE=XS+x_total-1;
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YE=YS+y_total-1;
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transfer_command(0x2a); // 设置X开始及结束的地址
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transfer_data_16(XS); // X开始地址(16位）
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transfer_data_16(XE); // X结束地址(16位）
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transfer_command(0x2b); // 设置Y开始及结束的地址
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transfer_data_16(YS); // Y开始地址(16位）
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transfer_data_16(YE); // Y结束地址(16位）
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transfer_command(0x2c); // 写数据开始
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}
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void mono_transfer_data_16(int mono_data,int font_color,int back_color)
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{
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int i;
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for(i=0;i<8;i++)
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{
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if(mono_data&0x80)
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{
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transfer_data_16(font_color); //当数据是1时，显示字体颜色
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}
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else
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{
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transfer_data_16(back_color); //当数据是0时，显示底色
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}
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mono_data<<=1;
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}
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}
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//全屏显示一种颜色
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void display_color(int color_data)
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{
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int i,j;
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lcd_address(0,0,240,320);
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for(i=0;i<240;i++)
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{
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for(j=0;j<320;j++)
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{
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transfer_data_16(color_data);
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}
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}
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}
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void display_black(void)
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{
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int i,j,k;
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transfer_command(0x2c); // 写数据开始
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for(i=0;i<240;i++)
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{
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transfer_data_16(0xffff);
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}
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for(i=0;i<318;i++)
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{
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for(k=0;k<1;k++)
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{
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transfer_data_16(0xffff);
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}
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for(j=0;j<238;j++)
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{
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transfer_data_16(0x0000);
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}
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for(k=0;k<1;k++)
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{
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transfer_data_16(0xffff);
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}
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}
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for(i=0;i<320;i++)
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{
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transfer_data_16(0xffff);
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}
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}
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//显示8x16点阵的字符串
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void disp_string_8x16(int x,int y,char *text,int font_color,int back_color)
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{
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int i=0,j,k;
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while(text[i]>0x00)
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{
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if((text[i]>=0x20)&&(text[i]<=0x7e))
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{
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j=text[i]-0x20;
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lcd_address(x,y,8,16);
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for(k=0;k<16;k++)
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{
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mono_transfer_data_16(ascii_table_8x16[j*16+k],font_color,back_color); //?a??"ascii_table_8x16[]"?a??êy×é?ú"ASCII_TABLE_5X8_8X16_horizontal.h"à?
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}
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x+=8;
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i++;
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}
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else
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i++;
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}
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}
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void display_string_16x16(int x,int y,uchar *text,int font_color,int back_color)
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{
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uchar i,j,k;
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uint address;
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j = 0;
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while(text[j] != '\0') //'\0' 字符串结束标志
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{
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i = 0;
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address = 1;
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while(Chinese_horizontal_text_16x16[i] > 0x7e) // >0x7f即说明不是ASCII码字符
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{
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if(Chinese_horizontal_text_16x16[i] == text[j])
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{
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if(Chinese_horizontal_text_16x16[i + 1] == text[j + 1])
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{
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address = i * 16;
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break;
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}
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}
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i += 2;
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}
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if(y > 320)
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{
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y=0;
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x+=16;
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}
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if(address != 1)// 显示汉字
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{
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lcd_address(x,y,16,16);
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for(i=0;i<2;i++)
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{
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for(k = 0; k <16; k++)
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{
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mono_transfer_data_16(Chinese_horizontal_code_16x16[address],font_color,back_color);
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address++;
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}
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}
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j+=2;
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}
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else //显示空白字符
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{
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lcd_address(x,y,16,16);
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for(i = 0; i <2; i++)
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{
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for(k = 0; k < 16; k++)
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{
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mono_transfer_data_16(0x00,font_color,back_color);
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}
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}
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j+=2;
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}
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x=x+16;
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}
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}
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//显示32x32点阵的单色的图像
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void disp_32x32(int x,int y,char *dp,int font_color,int back_color)
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{
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int i,j;
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lcd_address(x,y,32,32);
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for(i=0;i<32;i++)
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{
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for(j=0;j<4;j++)
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{
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mono_transfer_data_16(*dp,font_color,back_color);
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dp++;
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}
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}
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}
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//显示一幅彩图
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void display_image(int x,int y,uchar *dp)
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{
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uchar i,j,k=0;
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lcd_address(x,y,120,160);
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for(i=0;i<120;i++)
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{
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for(j=0;j<160;j++)
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{
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transfer_data(*dp); //传一个像素的图片数据的高位
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dp++;
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transfer_data(*dp); //传一个像素的图片数据的低位
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dp++;
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}
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}
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}
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void main(void)
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{
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P1M1=0x00;
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P1M0=0x00; //P1配置为准双向
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P2M1=0x00;
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P2M0=0x00; //P2配置为准双向
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P3M1=0x00;
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P3M0=0x00; //P3配置为准双向
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IM1=1; //IM1=0、IM2=0并行接口；IM1=1、IM2=1串行接口
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IM2=1;
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lcd_initial();
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while(1)
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{
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display_color(blue);
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disp_32x32(40+32*0,8,jing_32x32,white,blue);
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disp_32x32(40+32*1,8,lian_32x32,white,blue);
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disp_32x32(40+32*2,8,xun_32x32,white,blue);
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disp_32x32(40+32*3,8,dian_32x32,white,blue);
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disp_32x32(40+32*4,8,zi_32x32,white,blue);
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display_string_16x16(24,56,"深圳市晶联讯电子有限公司",white,blue);
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display_string_16x16(48,88,"型号",white,blue);
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disp_string_8x16(80,88,":JLX240-00303-BN",white,blue);
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display_string_16x16(48,120,"视窗",white,blue);
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disp_string_8x16(80,120,":36.7x48.9mm",white,blue);
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display_string_16x16(48,152,"驱动",white,blue);
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disp_string_8x16(80,152,"IC:ST7789V",white,blue);
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display_string_16x16(0,184,"经营宗旨：制造高品质产品及服务",white,blue);
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display_string_16x16(0,216,"质量方针：客户至上，质量保证",white,blue);
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display_string_16x16(79,236,"持续改进，服务到位",white,blue);
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display_string_16x16(0,270,"经营目标：做最好的液晶模块厂家",white,blue);
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display_string_16x16(79,292,"做客户信得过的企业",white,blue);
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Switch();
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display_image(0,0,pic1);
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display_image(120,0,pic1);
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display_image(0,160,pic1);
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display_image(120,160,pic1);
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Switch();
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display_color(0xf800);
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Switch();
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display_color(0x07e0);
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Switch();
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display_color(0x001f);
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Switch();
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display_black();
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Switch();
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display_color(0xffff);
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Switch();
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}
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}
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