ST7735驱动程序

单片机源程序如下:

1. void ST7735S_init(void)
   
2. {
   
3.     /* ST7735R Reset Sequence */
   
4.     LCD_RST_HIGH;
   
5.     delay(5);           //Delay 1ms
   
6.     LCD_RST_LOW;
   
7.     delay(5);           //Delay 1ms
   
8.     LCD_RST_HIGH;
   
9.     delay(120);           //Delay 120ms
   
10.     /* End ST7735S Reset Sequence */
    
11.            Lcd_WriteCmd(0x01);    //SWRESET Software reset
    
12.     delay(130);  
    
13.     Lcd_WriteCmd(0x11);    //Sleep out
    
14.     delay(130);                          //Delay 120ms
    
15.     /* ST7735S Frame rate */
    
16.     Lcd_WriteCmd(0xB1);    //Frame rate 80Hz
    
17.     Lcd_WriteData(0x05);
    
18.     Lcd_WriteData(0x3C);
    
19.     Lcd_WriteData(0x3C);
    
20.     Lcd_WriteCmd(0xB2);    //Frame rate 80Hz
    
21.     Lcd_WriteData(0x05);
    
22.     Lcd_WriteData(0x3C);
    
23.     Lcd_WriteData(0x3C);
    
24.     Lcd_WriteCmd(0xB3);    //Frame rate 80Hz
    
25.     Lcd_WriteData(0x05);
    
26.     Lcd_WriteData(0x3C);
    
27.     Lcd_WriteData(0x3C);
    
28.     Lcd_WriteData(0x05);
    
29.     Lcd_WriteData(0x3C);
    
30.     Lcd_WriteData(0x3C);
    
31.     /* End ST7735S Frame rate */
    
32.     Lcd_WriteCmd(0xB4);            //Dot inversion
    
33.     Lcd_WriteData(0x03);
    
34.     /* ST7735S Power Sequence */
    
35.     Lcd_WriteCmd(0xC0);                   //Power control 1
    
36.     Lcd_WriteData(0xA2);           //AVDD=5,GVDD=4.6
    
37.     Lcd_WriteData(0x02);           //GVCL=-4.6
    
38.     Lcd_WriteData(0x84);           //AUTO,VRHN5=0,VRHP5=0
    
39.     Lcd_WriteCmd(0xC1);                   //Power control 2
    
40.     Lcd_WriteData(0xC5);           //V25=2.4,VGL=-10,VGH=3*AVDD-0.5
    
41.     Lcd_WriteCmd(0xC2);                   //Power control 3
    
42.     Lcd_WriteData(0x0D);           //Large current,Small current
    
43.     Lcd_WriteData(0x00);
    
44.     Lcd_WriteCmd(0xC3);                   //Power control 4
    
45.     Lcd_WriteData(0x8D);           //
    
46.     Lcd_WriteData(0x2A);
    
47.     Lcd_WriteCmd(0xC4);                   //Power control 5
    
48.     Lcd_WriteData(0x8D);
    
49.     Lcd_WriteData(0xEE);
    
50.     /* End ST7735S Power Sequence */
    
51.     Lcd_WriteCmd(0xC5);            //VCOM
    
52.     Lcd_WriteData(0x0a);           //VCOM=-0.675
    
53.     Lcd_WriteCmd(0x36);            //MX, MY, RGB mode; 控制显示方向
    
54.     Lcd_WriteData(0xC0);           //0xC8 LCD refresh Top to Bottom, Left to right
    
55.     /* ST7735S Gamma Sequence */
    
56.     Lcd_WriteCmd(0xE0);
    
57.     Lcd_WriteData(0x12);
    
58.     Lcd_WriteData(0x1C);
    
59.     Lcd_WriteData(0x10);
    
60.     Lcd_WriteData(0x18);
    
61.     Lcd_WriteData(0x33);
    
62.     Lcd_WriteData(0x2C);
    
63.     Lcd_WriteData(0x25);
    
64.     Lcd_WriteData(0x28);
    
65.     Lcd_WriteData(0x28);
    
66.     Lcd_WriteData(0x27);
    
67.     Lcd_WriteData(0x2F);
    
68.     Lcd_WriteData(0x3C);
    
69.     Lcd_WriteData(0x00);
    
70.     Lcd_WriteData(0x03);
    
71.     Lcd_WriteData(0x03);
    
72.     Lcd_WriteData(0x10);
    
73. 
    
74.     Lcd_WriteCmd(0xE1);
    
75.     Lcd_WriteData(0x12);
    
76.     Lcd_WriteData(0x1C);
    
77.     Lcd_WriteData(0x10);
    
78.     Lcd_WriteData(0x18);
    
79.     Lcd_WriteData(0x2D);
    
80.     Lcd_WriteData(0x28);
    
81.     Lcd_WriteData(0x23);
    
82.     Lcd_WriteData(0x28);
    
83.     Lcd_WriteData(0x28);
    
84.     Lcd_WriteData(0x26);
    
85.     Lcd_WriteData(0x2F);
    
86.     Lcd_WriteData(0x3B);
    
87.     Lcd_WriteData(0x00);
    
88.     Lcd_WriteData(0x03);
    
89.     Lcd_WriteData(0x03);
    
90.     Lcd_WriteData(0x10);
    
91. 
    
92.            Lcd_WriteCmd(0x2A);        //设置列地址
    
93.            Lcd_WriteData(0x00);
    
94.            Lcd_WriteData(0x00);
    
95.            Lcd_WriteData(0x00);
    
96.            Lcd_WriteData(0x7F);//128
    
97. 
    
98.            Lcd_WriteCmd(0x2B);        //设置行地址
    
99.            Lcd_WriteData(0x00);
    
100.            Lcd_WriteData(0x00);
     
101.            Lcd_WriteData(0x00);
     
102.            Lcd_WriteData(0x9F);//160
     
103. 
     
104.            Lcd_WriteCmd(0xF0);        //Enable test command
     
105.            Lcd_WriteData(0x01);
     
106.            Lcd_WriteCmd(0xF6);        //Disable ram power save mode
     
107.            Lcd_WriteData(0x00);
     
108.          
     
109.     /* End ST7735S Gamma Sequence */
     
110.     Lcd_WriteCmd(0x3A); //65k mode
     
111.     Lcd_WriteData(0x05);
     
112.     Lcd_WriteCmd(0x29); //Display on
     
113.            Lcd_WriteCmd(0x2c);
     
114.            delay(50);
     
115. }

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这是近期做的一个项目中的TFT显示部分，用的是1.77寸的屏，驱动芯片是st7735。4线SPI接口，单片机模拟驱动时序