ili9320.h

 1 #ifndef __ILI9320_H__

 2 #define __ILI9320_H__

 3 #include "reg52.h"

 4 

 5 #define u8 unsigned char

 6 #define u16 unsigned int

 7 #define uchar unsigned char

 8 #define uint unsigned int

 9 

10 //#define  LCD_COLORS_NUM 65536

11 #define  LCD_SIZE_X        240

12 #define  LCD_SIZE_Y        320

13 

14 

15 

16 //-------------------------------------------------------

17 //-----------------------端口定义------------------------

18 

19 #define LCD_DataH P0//高8位数据

20 #define LCD_DataL P1//低8位数据

21 

22 sbit LCD_RST= P2^0 ;//复位

23 sbit LCD_CS =P2^1;//使能端

24 

25 sbit LCD_RS= P3^5; //数据|指令

26 sbit LCD_WR= P3^6; //写 

27 sbit LCD_RD =P3^7; //读

28 

29 //---------------------------------------------------------

30 //-------------------函数声明------------------------------

31 

32 //////RGB转换，888->565/////

33 u16 LCD_RGB(u8 R,u8 G,u8 B);

34 

35 /////////延时//////////

36 void LCD_Delay(uint t);

37 

38 ///////写索引寄存器////////

39 void LCD_WriteIndex(u8 index);

40 

41 ///////写数据////////

42 void LCD_WriteData(u16 Data);

43 

44 ///////写寄存器//////////

45 void LCD_WriteCOM(u8 index,u16 Data);

46 

47 /////读芯片ID,0x9320/////

48 u16 LCD_ReadID(void);

49 

50 //////读像素////////

51 u16    LCD_ReadPixel(u16 x,u16 y);

52 

53 //////设置像素////////

54 void LCD_SetPixel(u16 color);

55 

56 //////设置显示窗口/////

57 void LCD_SetWindow(uint x1,uint y1,uint x2,uint y2);

58 

59 ///////设置光标//////

60 //void LCD_SetCursor(uint x,uint y);

61 

62 ///////LCD初始化///////

63 void LCD_Init(void);

64 

65 #endif

ili9320.c

  1 #include "reg52.h"

  2 #include "ili9320.h"

  3 

  4 

  5 //-----------------------------------------------------

  6 //读取芯片型号，型号：0X9320

  7 

  8 u16 LCD_ReadID(void)

  9 {

 10     u16 t;

 11     LCD_WriteIndex(0x00); 

 12     LCD_DataH=0xff;

 13     LCD_DataL=0xff;

 14     LCD_RS=1;

 15     LCD_RD=1; 

 16     LCD_RD=0;    //RD不需要变换两次

 17     t=(LCD_DataH<<8)|LCD_DataL ;

 18     return t; 

 19 }

 20 

 21 

 22 //-----------------------------------------------------

 23 //在65536色彩下，读取像素点

 24 

 25 u16 LCD_ReadPixel(u16 x,u16 y)

 26 {

 27     u16 t;

 28     LCD_WriteCOM(0x20,x);

 29     LCD_WriteCOM(0x21,y);

 30     LCD_WriteIndex(0x22);

 31 

 32     LCD_DataH=0xff;

 33     LCD_DataL=0xff;

 34     LCD_RS=1;

 35     LCD_RD=1; 

 36     LCD_RD=0;

 37     LCD_RD=1; 

 38     LCD_RD=0;    //RD需要变换两次

 39     t=(LCD_DataH<<8)|LCD_DataL ;

 40     return t; 

 41 }

 42 

 43 //------------------------------------------------------

 44 //设置显示窗口

 45 

 46 void LCD_SetWindow(uint x1,uint y1,uint x2,uint y2)

 47 {

 48         LCD_WriteCOM(0x20,x1);

 49         LCD_WriteCOM(0x21,y1);

 50         LCD_WriteCOM(0x50,x1);

 51         LCD_WriteCOM(0x52,y1);

 52         LCD_WriteCOM(0x51,x2);

 53         LCD_WriteCOM(0x53,y2);

 54         LCD_WriteIndex(0x22);

 55 }

 56 

 57 //-------------------------------------------------------

 58 //设置光标

 59 void LCD_SetCursor(uint x,uint y)

 60 {

 61         LCD_WriteCOM(0x20,x);

 62         LCD_WriteCOM(0x21,y);

 63         LCD_WriteIndex(0x22);

 64 }

 65 

 66 

 67 

 68 

 69 //----------------------------------------------------------

 70 //在65536色彩下，将18位颜色数据转化为16位

 71 u16 LCD_RGB(u8 R,u8 G,u8 B)

 72 {

 73     u16 tRGB;

 74     tRGB=0x00;

 75     tRGB=tRGB|R;

 76     tRGB=tRGB<<6;

 77     tRGB=tRGB|G;

 78     tRGB=tRGB<<5;

 79     tRGB=tRGB|B;

 80     return tRGB; 

 81 }

 82 

 83 //---------------------------------------------------------

 84 //延时函数

 85 void LCD_Delay(uint t)

 86 {

 87 for(;t>0;t--);

 88 }

 89 

 90 //----------------------------------------------------------

 91 //写入索引寄存器

 92 void LCD_WriteIndex(u8 index)

 93 {

 94     LCD_RS=0;

 95     LCD_RD=1;

 96     LCD_WR=0;

 97     LCD_DataH=0x00;

 98     LCD_DataL=index;

 99     LCD_WR=1;

100 } 

101 

102 //-----------------------------------------

103 //写入数据

104 

105 void LCD_WriteData(u16 Data)

106 {

107     LCD_RS=1;

108     LCD_WR=0;

109     LCD_DataH=Data>>8;

110     LCD_DataL=Data;

111     LCD_WR=1;

112 

113 } 

114 

115 //-----------------------------------------

116 //写寄存器

117 

118 void LCD_WriteCOM(u8 index,u16 Data)

119 {

120 LCD_WriteIndex(index);

121 LCD_WriteData(Data);

122 }

123 

124 

125 

126 //-----------------------------------------------

127 //LCD初始化函数

128 

129 void LCD_Init(void) 

130 {

131 //************* Reset LCD Driver ****************// 

132 LCD_CS=0;

133 LCD_RST=1;

134 LCD_RD=1;

135 LCD_Delay(10);

136 LCD_RST=0;

137 LCD_Delay(100);

138 LCD_RST=1;

139 LCD_Delay(10); 

140 //************* Start Initial Sequence **********// 

141 LCD_WriteCOM(0x00, 0x0001); // 开始内部振荡 

142 LCD_WriteCOM(0x01, 0x0100); // set SS and SM bit 

143 LCD_WriteCOM(0x02, 0x0400); // set 1 line inversion 

144 LCD_WriteCOM(0x03, 0x1030);

145 LCD_WriteCOM(0x04, 0x0000); // Resize register 

146 LCD_WriteCOM(0x08, 0x0202); // set the back porch and front porch 

147 LCD_WriteCOM(0x09, 0x0000); // set non-display area refresh cycle ISC[3:0] 

148 LCD_WriteCOM(0x0A, 0x0000); // FMARK function 

149 LCD_WriteCOM(0x0C, 0x0000); // RGB interface setting 

150 LCD_WriteCOM(0x0D, 0x0000); // Frame marker Position 

151 LCD_WriteCOM(0x0F, 0x0000); // RGB interface polarity 

152 

153 LCD_WriteCOM(0x07, 0x0101); // Display Control 1 

154 LCD_Delay(500); 

155 

156 //*************Power On sequence ****************// LCD_WriteCOM(0x51, 0x00, 0xEF); 

157 

158 LCD_WriteCOM(0x10, 0x16b0);

159 LCD_WriteCOM(0x11, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0] 

160 LCD_WriteCOM(0x12, 0x0138);

161 LCD_WriteCOM(0x13, 0x0b00);

162 LCD_WriteCOM(0x2B, 0x2008);

163 // ---------- Gamma Control ---------- // 

164 LCD_WriteCOM(0x30, 0x0000); 

165 LCD_WriteCOM(0x31, 0x0306); 

166 LCD_WriteCOM(0x32, 0x0200); 

167 LCD_WriteCOM(0x35, 0x0107); 

168 LCD_WriteCOM(0x36, 0x0404); 

169 LCD_WriteCOM(0x37, 0x0606); 

170 LCD_WriteCOM(0x38, 0x0105); 

171 LCD_WriteCOM(0x39, 0x0707); 

172 LCD_WriteCOM(0x3C, 0x0600); 

173 LCD_WriteCOM(0x3D, 0x0807); 

174 // ---------- Window Address Area ---------- // 

175 LCD_WriteCOM(0x50, 0x0000); // Horizontal GRAM Start Address-----HSA[7:0] 

176 LCD_WriteCOM(0x51, 0x00EF); // Horizontal GRAM End Address-----HEA[7:0] 

177 LCD_WriteCOM(0x52, 0x0000); // Vertical GRAM Start Address-----VSA[8:0] 

178 LCD_WriteCOM(0x53, 0x013F); // Vertical GRAM Start Address-----VEA[8:0] 

179 // ---------- Gate Scan Control ---------- // 

180 LCD_WriteCOM(0x60, 0x2700); // GS, NL[5:0], SCN[5:0] 

181 LCD_WriteCOM(0x61, 0x0001); // NDL,VLE, REV 

182 LCD_WriteCOM(0x6A, 0x0000); // VL[8:0] 

183 // ---------- Partial Display Control ---------- // 

184 LCD_WriteCOM(0x80, 0x0000); // Partial Image 1 Display Position-----PTDP0[8:0] 

185 LCD_WriteCOM(0x81, 0x0000); // Partial Image 1 Start Address-----PTSA0[8:0] 

186 LCD_WriteCOM(0x82, 0x0000); // Partial Image 1 End Address-----PTEA0[8:0] 

187 LCD_WriteCOM(0x83, 0x0000); // Partial Image 2 Display Position-----PTDP1[8:0] 

188 LCD_WriteCOM(0x84, 0x0000); // Partial Image 2 Start Address-----PTSA1[8:0] 

189 LCD_WriteCOM(0x85, 0x0000); // Partial Image 2 Start Address-----PTEA1[8:0] 

190 // ---------- Panel Interface Control ---------- // 

191 LCD_WriteCOM(0x90, 0x0013); // Panel Interface Control 1-----DIVI[1:0], RTNI[4:0] 

192 LCD_WriteCOM(0x92, 0x0000); // Panel Interface Control 2-----NOWI[2:0] 

193  

194 LCD_WriteCOM(0x93, 0x0001); //Panel Interface Control 3-----MCPI[2:0] 

195 

196 LCD_WriteCOM(0x95, 0x0110); // Panel Interface Control 4-----DIVE[1:0], RTNE[5:0] 

197 LCD_WriteCOM(0x97, 0x0000); // Panel Interface Control 5-----NOWE[3:0] 

198 LCD_WriteCOM(0x98, 0x0000); // Panel Interface Control 6-----MCPE[2:0] 

199 

200 LCD_WriteCOM(0x07, 0x0173); // Display Control 1----- display ON 

201 LCD_Delay(500);

202 

203 }