435 lines
8.6 KiB
C
435 lines
8.6 KiB
C
// LCM resolution:240x320,
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// driver IC:ST7789V,
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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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/*
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sbit DC0 = P3 ^ 4;
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sbit WR0 = P3 ^ 0;
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sbit RD0 = P3 ^ 1;
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sbit CS0 = P3 ^ 5;
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sbit reset = P3 ^ 3;
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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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*/
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#pragma pack(push,1)
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typedef struct ST_TEST
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{
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unsigned char ucA:1;
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unsigned char ucB:1;
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unsigned char ucC:1;
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unsigned char ucD:1;
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unsigned char ucE:1;
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unsigned char ucF:1;
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unsigned char ucG:1;
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unsigned char ucH:1;
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} ST_TEST;
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#pragma pack(pop)
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union data_port
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{
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uint8_t data;
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#pragma pack(push,1)
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struct
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{
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uint8_t bit0 : 1;
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uint8_t bit1 : 1;
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uint8_t bit2 : 1;
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uint8_t bit3 : 1;
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uint8_t bit4 : 1;
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uint8_t bit5 : 1;
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uint8_t bit6 : 1;
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uint8_t bit7 : 1;
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} bit;
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#pragma pack(pop)
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}
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transfer_command(int com1)
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{
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CS0 = 0;
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DC0 = 0;
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RD0 = 1;
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P1 = com1;
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WR0 = 0;
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delay_us(1);
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WR0 = 1;
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CS0 = 1;
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}
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void transfer_data(int data1)
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{
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CS0 = 0;
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DC0 = 1;
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RD0 = 1;
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P1 = data1;
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WR0 = 0;
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WR0 = 1;
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CS0 = 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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}
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void delay_us(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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;
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for (k = 0; k < 1; k++)
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;
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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)
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goto repeat;
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else
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delay(1000);
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if (key)
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goto repeat;
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else
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;
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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 = 0; // IM1=0、IM2=0并行接口；IM1=1、IM2=1串行接口
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IM2 = 0;
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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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