打造史上最强tft学习贴（持续更新中。。。。。） 学习, tft

本帖势在为广大网友 提供一个全面的tft学习资料和笔记贴。
  需要的网友可以到论坛上边淘宝店购买 或者 发帖留言

• 主题   TFT学习强贴
•                        目录
•             1# ---------------目录
•             2# --------------TFT模块原理图（protel 99se）
•             3# --------------PCB板（图片）
•             4#---------------TFT模块成品（图片）
•             5#---------------TFT模块效果图片
•             6# --------------应用代码集合（包括基本驱动、gui、JPG解码等）
•             7#---------------TFT屏规格书
•             8#---------------ADS7843 datasheet
•             12#--------------ADS7843 触摸代码（移植到stmsky001开发板）
•             13#--------------TFT屏使用8位接口方式驱动程序（移植stmsky001开发板）
•           16# ----------------- 官方裸奔gui程序 基于stm32
•           17#-----------------本论坛STM32SKY开发板上移植的GUI程序，支持 IAR和KEI 两个版本，STM32固件库 3.1.2

原理图  protel版本

pcb板

模块

点亮

1 移植了ucos+ucgui的Demo程序（相机有点问题，稍后上图）

• uCOS+uCGUI(FSMC)stmsky001.part01.rar (1.39 MB) 下载次数: 184
  2009-12-13 16:02
  
  uCOS+uCGUI(FSMC)stmsky001.part02.rar (1.39 MB) 下载次数: 204
  2009-12-13 16:02
  
  uCOS+uCGUI(FSMC)stmsky001.part03.rar (1.39 MB) 下载次数: 208
  2009-12-13 16:02
  
  uCOS+uCGUI(FSMC)stmsky001.part04.rar (873.43 KB) 下载次数: 182
  2009-12-13 16:02
  
  

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2 lcd显示 实时时间界面

• stmsky001(lcd显示时间）.rar (571.51 KB) 下载次数: 164
  2009-12-14 02:01
  
  

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3 lcd显示  画了一个小人

• stmsky001（画了一个小人）.rar (582.96 KB) 下载次数: 198
  2009-12-14 14:30
  
  

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4 jpeg解码的移植

• stmsky001（jpegjiema）.rar (1.49 MB) 下载次数: 25
  售价: 资源筹码 1 元  [记录] 2009-12-20 22:52
  
  

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1. http://www.stmsky.com/bbs/viewth ... p;extra=&page=1
   
2. 
   
3. 规格和驱动

复制代码

触摸芯片ADS7843 datasheet:

ADS7843.pdf (251.22 KB)

谢谢分享！

谢谢分享！

谢谢分享！

触摸屏 的 初始化过程----移植成功：

1. #define TP_CS() GPIO_ResetBits(GPIOC,GPIO_Pin_4)
   
2. #define TP_DCS() GPIO_SetBits(GPIOC,GPIO_Pin_4)
   
3. 
   
4. void Touch_Initializtion(void)
   
5. {
   
6. GPIO_InitTypeDef GPIO_InitStructure;
   
7. SPI_InitTypeDef SPI_InitStructure;
   
8. 
   
9. //GPIO Periph clock enable
   
10. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO,ENABLE);
    
11. //RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
    
12. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);
    
13. 
    
14. //RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF,ENABLE);
    
15. 
    
16. //SPI2 Periph clock enable
    
17. RCC_APB2PeriphClockCmd( RCC_APB2Periph_SPI1, ENABLE );
    
18. 
    
19. //Configure SPI2 pins: SCK, MISO and MOSI
    
20. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_7|GPIO_Pin_6;
    
21. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    
22. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出
    
23. GPIO_Init(GPIOA,&GPIO_InitStructure);
    
24. 
    
25. //Configure PF10 pin: TP_CS pin
    
26. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
    
27. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    
28. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出
    
29. GPIO_Init(GPIOC,&GPIO_InitStructure);
    
30. 
    
31. //Configure PA8 pin: TP_BUSY pin
    
32. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 ;
    
33. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    
34. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //上拉输入
    
35. // GPIO_Init(GPIOG,&GPIO_InitStructure);
    
36. 
    
37. // Configure PE.06 as input floating For TP_IRQ
    
38. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
    
39. // GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    
40. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    
41. GPIO_Init(GPIOC,&GPIO_InitStructure);
    
42. 
    
43. // SPI1 Config
    
44. SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
    
45. SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
    
46. SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
    
47. SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
    
48. SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
    
49. SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
    
50. SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64;
    
51. SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
    
52. SPI_InitStructure.SPI_CRCPolynomial = 7;
    
53. SPI_Init(SPI1,&SPI_InitStructure);
    
54. 
    
55. // SPI1 enable
    
56. SPI_Cmd(SPI1,ENABLE);
    
57. }
    
58. 
    
59. u8 Touch_PenIRQ(void)
    
60. {
    
61. // PG7 -> TS_nPENIRQ
    
62. return GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_5);
    
63. }
    
64. 
    
65. unsigned char SPI_WriteByte(unsigned char data)
    
66. {
    
67. unsigned char Data = 0;
    
68. 
    
69. //Wait until the transmit buffer is empty
    
70. while(SPI_I2S_GetFlagStatus(SPI1,SPI_I2S_FLAG_TXE)==RESET);
    
71. // Send the byte
    
72. SPI_I2S_SendData(SPI1,data);
    
73. 
    
74. //Wait until a data is received
    
75. while(SPI_I2S_GetFlagStatus(SPI1,SPI_I2S_FLAG_RXNE)==RESET);
    
76. // Get the received data
    
77. Data = SPI_I2S_ReceiveData(SPI1);
    
78. 
    
79. // Return the shifted data
    
80. return Data;
    
81. }
    
82. 
    
83. void SpiDelay(unsigned int DelayCnt)
    
84. {
    
85. unsigned int i;
    
86. for(i=0;i<DelayCnt;i++);
    
87. }
    
88. 
    
89. u16 ReadTouchAD(u16 mode)
    
90. {
    
91. u8 RegVal;
    
92. u16 x=0;
    
93. 
    
94. switch(mode)
    
95. {
    
96. case TouchModeX:
    
97. RegVal=TouchCommandX;
    
98. break;
    
99. case TouchModeY:
    
100. RegVal=TouchCommandY;
     
101. break;
     
102. case TouchModeIn3:
     
103. RegVal=TouchCommandIn3;
     
104. break;
     
105. case TouchModeIn4:
     
106. RegVal=TouchCommandIn4;
     
107. break;
     
108. default:
     
109. RegVal=TouchCommandY;
     
110. break;
     
111. }
     
112. 
     
113. TP_CS();
     
114. SpiDelay(10);
     
115. SPI_WriteByte(RegVal);
     
116. SpiDelay(10);
     
117. x=SPI_WriteByte(0x00);
     
118. x<<=8;
     
119. x+=SPI_WriteByte(0x00);
     
120. SpiDelay(10);
     
121. TP_DCS();
     
122. return (x>>3);
     
123. }
     
124. 
     
125. u16 GetTouchVal(u16 mode)
     
126. {
     
127. u16 n,i,j;
     
128. u16 buf[7];
     
129. u16 temp;
     
130. 
     
131. for (n=0;n<7;n++)
     
132. {
     
133. buf[n] = ReadTouchAD(mode);
     
134. SpiDelay(1000);
     
135. }
     
136. 
     
137. for (j=0;j<7-1;j++)
     
138. {
     
139. for (i=0;i<7-j;i++)
     
140. {
     
141. if ( buf[i]>buf[i+1] )
     
142. {
     
143. temp = buf[i];
     
144. buf[i] = buf[i+1];
     
145. buf[i+1] = temp;
     
146. }
     
147. }
     
148. }
     
149. 
     
150. return ( (buf[2]+buf[3]+buf[4])/3 );
     
151. }
     
152. 
     
153. 
     
154. static tMinMax xyMinMax[2] = {
     
155. #if TOUCH_AD_LEFT < TOUCH_AD_RIGHT
     
156. { TOUCH_AD_LEFT, TOUCH_AD_RIGHT },
     
157. #else
     
158. { TOUCH_AD_RIGHT, TOUCH_AD_LEFT },
     
159. #endif
     
160. #if TOUCH_AD_TOP < TOUCH_AD_BOTTOM
     
161. { TOUCH_AD_TOP, TOUCH_AD_BOTTOM }
     
162. #else
     
163. { TOUCH_AD_BOTTOM, TOUCH_AD_TOP }
     
164. #endif
     
165. };
     
166. 
     
167. 
     
168. u16 AD2X(void)
     
169. {
     
170. u16 adx;
     
171. u32 r;
     
172. 
     
173. adx = GetTouchVal(TouchModeX);
     
174. 
     
175. if(adx > xyMinMax[COORD_X].Max) return InvalidKey;
     
176. if(adx < xyMinMax[COORD_X].Min) return InvalidKey;
     
177. 
     
178. r = adx - xyMinMax[COORD_X].Min;
     
179. r *= TOUCH_XSIZE - 1;
     
180. return r / (xyMinMax[COORD_X].Max - xyMinMax[COORD_X].Min);
     
181. }
     
182. 
     
183. u16 AD2Y(void)
     
184. {
     
185. u16 ady;
     
186. u32 r;
     
187. 
     
188. ady = GetTouchVal(TouchModeY);
     
189. 
     
190. if(ady > xyMinMax[COORD_Y].Max) return InvalidKey;
     
191. if(ady < xyMinMax[COORD_Y].Min) return InvalidKey;
     
192. 
     
193. r = ady - xyMinMax[COORD_Y].Min;
     
194. r *= TOUCH_YSIZE - 1;
     
195. return r/(xyMinMax[COORD_Y].Max - xyMinMax[COORD_Y].Min);
     
196. }
     
197. 
     
198. 
     
199. u16 GetTouchX(void)
     
200. {
     
201. u16 X;
     
202. X = AD2X();
     
203. if(X == InvalidKey)
     
204. return InvalidKey;
     
205. else
     
206. {
     
207. #if TOUCH_AD_LEFT < TOUCH_AD_RIGHT
     
208. return X;
     
209. #else
     
210. return TOUCH_XSIZE-X;
     
211. #endif
     
212. }
     
213. }
     
214. 
     
215. u16 GetTouchY(void)
     
216. {
     
217. u16 Y;
     
218. Y = AD2Y();
     
219. if(Y == InvalidKey)
     
220. return InvalidKey;
     
221. else
     
222. {
     
223. #if TOUCH_AD_TOP < TOUCH_AD_BOTTOM
     
224. return Y;
     
225. #else
     
226. return TOUCH_YSIZE-Y;
     
227. #endif
     
228. }
     
229. }

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为了 配合使用8位机 16位机的朋友 更好的使用本论坛的tft屏  在这里 我们专门做了8位接口的程序：

1. void LCD_GPIO_Config(void)
   
2. {
   
3. GPIO_InitTypeDef GPIO_InitStructure;
   
4. 
   
5. /* Enable GPIOE lcd data clock */
   
6. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE, ENABLE);
   
7. GPIO_InitStructure.GPIO_Pin = 0x000000ff;
   
8. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
   
9. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
   
10. GPIO_Init(GPIOE, &GPIO_InitStructure);
    
11. 
    
12. /* Enable GPIOA clock */
    
13. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
    
14. GPIO_InitStructure.GPIO_Pin = LCD_RST_BIT|LCD_RD_BIT|LCD_WR_BIT|LCD_CS_BIT|LCD_BL_BIT|LCD_RS_BIT;
    
15. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    
16. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    
17. GPIO_Init(GPIOA, &GPIO_InitStructure);
    
18. }
    
19. void LCD_WR_DATA16(unsigned int data)//写积存器数据
    
20. {
    
21. LCD_RD_H();
    
22. LCD_RS_H();
    
23. LCD_CS_L();
    
24. LCD_WR_L();
    
25. DATA_LCD_PORT=data>>8;
    
26. LCD_WR_H();
    
27. LCD_WR_L();
    
28. DATA_LCD_PORT=data&0XFF;
    
29. LCD_WR_H();
    
30. LCD_CS_H();
    
31. 
    
32. }
    
33. void LCD_WR_REG16(unsigned int index)//写积存器命令
    
34. {
    
35. LCD_RD_H();
    
36. LCD_RS_L();
    
37. LCD_CS_L();
    
38. LCD_WR_L();
    
39. DATA_LCD_PORT=index>>8;
    
40. LCD_WR_H();
    
41. LCD_WR_L();
    
42. DATA_LCD_PORT=index&0XFF;
    
43. LCD_WR_H();
    
44. LCD_CS_H();
    
45. }
    
46. 
    
47. void LCD_WR_REG(unsigned int index,unsigned int data)
    
48. {
    
49. LCD_WR_REG16(index);
    
50. LCD_WR_DATA16(data);
    
51. }
    
52. void LCD_Init(void)
    
53. {
    
54. LCD_GPIO_Config();
    
55. LCD_RST_L();//硬件复位
    
56. delay_ms(400);
    
57. LCD_RST_H();
    
58. delay_ms(400);
    
59. //initializing funciton 1
    
60. LCD_WR_REG(0x01, 0x0000); // set SS and SM bit
    
61. LCD_WR_REG(0x02, 0x0700); // set 1 line inversion
    
62. // LCD_WR_REG(0x03, 0x10B0); // set GRAM write direction and BGR=1.
    
63. #if ID_AM==000
    
64. LCD_WR_REG(0x0003,0x1000);//屏幕旋转控制 TFM=0,TRI=0,SWAP=1,16 bits system interface swap RGB to BRG，此处ORG和HWM 为0
    
65. #elif ID_AM==001
    
66. LCD_WR_REG(0x0003,0x1008);
    
67. #elif ID_AM==010
    
68. LCD_WR_REG(0x0003,0x1010);
    
69. #elif ID_AM==011
    
70. LCD_WR_REG(0x0003,0x1018);
    
71. #elif ID_AM==100
    
72. LCD_WR_REG(0x0003,0x1020);
    
73. #elif ID_AM==101
    
74. LCD_WR_REG(0x0003,0x1028);
    
75. #elif ID_AM==110
    
76. LCD_WR_REG(0x0003,0x1030);
    
77. #elif ID_AM==111
    
78. LCD_WR_REG(0x0003,0x1038);
    
79. #endif
    
80. LCD_WR_REG(0x04, 0x0000); // Resize register
    
81. LCD_WR_REG(0x08, 0x0207); // set the back porch and front porch
    
82. LCD_WR_REG(0x09, 0x0000); // set non-display area refresh cycle ISC[3:0]
    
83. LCD_WR_REG(0x0A, 0x0000); // FMARK function
    
84. LCD_WR_REG(0x0C, 0x0000); // RGB interface setting
    
85. LCD_WR_REG(0x0D, 0x0000); // Frame marker Position
    
86. LCD_WR_REG(0x0F, 0x0000); // RGB interface polarity
    
87. //*************Power On sequence ****************//
    
88. LCD_WR_REG(0x10, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
    
89. LCD_WR_REG(0x11, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
    
90. LCD_WR_REG(0x12, 0x0000); // VREG1OUT voltage
    
91. LCD_WR_REG(0x13, 0x0000); // VDV[4:0] for VCOM amplitude
    
92. delay_ms(3000); // Dis-charge capacitor power voltage
    
93. 
    
94. LCD_WR_REG(0x10, 0x1590); // SAP, BT[3:0], AP, DSTB, SLP, STB
    
95. LCD_WR_REG(0x11, 0x0227); // DC1[2:0], DC0[2:0], VC[2:0]
    
96. delay_ms(200); // Delay 50ms
    
97. 
    
98. LCD_WR_REG(0x12, 0x009b); // Internal reference voltage= Vci;
    
99. delay_ms(200); // Delay 50ms
    
100. LCD_WR_REG(0x13, 0x1f00); // Set VDV[4:0] for VCOM amplitude
     
101. LCD_WR_REG(0x29, 0x001f); // Set VCM[5:0] for VCOMH
     
102. LCD_WR_REG(0x2B, 0x000e); // Set Frame Rate
     
103. delay_ms(200); // Delay 50ms
     
104. 
     
105. #if ID_AM==000
     
106. LCD_WR_REG(0x0020,0x00ef);//GRAM水平起始位置
     
107. LCD_WR_REG(0x0021,0x013f);
     
108. #elif ID_AM==001
     
109. LCD_WR_REG(0x0020,0x00ef);
     
110. LCD_WR_REG(0x0021,0x013f);
     
111. #elif ID_AM==010
     
112. LCD_WR_REG(0x0020,0x0000);
     
113. LCD_WR_REG(0x0021,0x013f);
     
114. #elif ID_AM==011
     
115. LCD_WR_REG(0x0020,0x0000);
     
116. LCD_WR_REG(0x0021,0x013f);
     
117. #elif ID_AM==100
     
118. LCD_WR_REG(0x0020,0x00ef);
     
119. LCD_WR_REG(0x0021,0x0000);
     
120. #elif ID_AM==101
     
121. LCD_WR_REG(0x0020,0x00ef);
     
122. LCD_WR_REG(0x0021,0x0000);
     
123. #elif ID_AM==110
     
124. LCD_WR_REG(0x0020,0x0000);
     
125. LCD_WR_REG(0x0021,0x0000);
     
126. #elif ID_AM==111
     
127. LCD_WR_REG(0x0020,0x0000);
     
128. LCD_WR_REG(0x0021,0x0000);
     
129. #endif
     
130. 
     
131. // ----------- Adjust the Gamma Curve ----------//
     
132. LCD_WR_REG(0x30, 0x0201);
     
133. LCD_WR_REG(0x31, 0x0707);
     
134. LCD_WR_REG(0x32, 0x0407);
     
135. LCD_WR_REG(0x35, 0x0101);
     
136. LCD_WR_REG(0x36, 0x0407);
     
137. LCD_WR_REG(0x37, 0x0003);
     
138. LCD_WR_REG(0x38, 0x0000);
     
139. LCD_WR_REG(0x39, 0x0605);
     
140. LCD_WR_REG(0x3C, 0x0101);
     
141. LCD_WR_REG(0x3D, 0x0606);
     
142. 
     
143. 
     
144. //------------------ Set GRAM area ---------------//
     
145. LCD_WR_REG(0x50, 0x0000); // Horizontal GRAM Start Address
     
146. LCD_WR_REG(0x51, 0x00EF); // Horizontal GRAM End Address
     
147. LCD_WR_REG(0x52, 0x0000); // Vertical GRAM Start Address
     
148. LCD_WR_REG(0x53, 0x013F); // Vertical GRAM Start Address
     
149. LCD_WR_REG(0x60, 0x2700); // Gate Scan Line A700
     
150. LCD_WR_REG(0x61, 0x0001); // NDL,VLE, REV
     
151. LCD_WR_REG(0x6A, 0x0000); // set scrolling line
     
152. //-------------- Partial Display Control ---------//
     
153. LCD_WR_REG(0x80, 0x0000);
     
154. LCD_WR_REG(0x81, 0x0000);
     
155. LCD_WR_REG(0x82, 0x0000);
     
156. LCD_WR_REG(0x83, 0x0000);
     
157. LCD_WR_REG(0x84, 0x0000);
     
158. LCD_WR_REG(0x85, 0x0000);
     
159. //-------------- Panel Control -------------------//
     
160. LCD_WR_REG(0x90, 0x0010);
     
161. LCD_WR_REG(0x92, 0x0600);
     
162. LCD_WR_REG(0x93, 0x0003);
     
163. LCD_WR_REG(0x95, 0x0110);
     
164. LCD_WR_REG(0x97, 0x0000);
     
165. LCD_WR_REG(0x98, 0x0000);
     
166. LCD_WR_REG(0x07, 0x0173); // 262K color and display ON 0133
     
167. LCD_Clear(0);
     
168. delay_ms(200); // Delay 5ms
     
169. LCD_BL_H();
     
170. 
     
171. }
     
172. 
     
173. /**********************************************
     
174. 函数名：Lcd全屏擦除函数
     
175. 功能：将Lcd整屏擦为指定颜色
     
176. 入口参数：color 指定Lcd全屏颜色 RGB(5-6-5)
     
177. 返回值：无
     
178. ***********************************************/
     
179. void LCD_Clear(unsigned int Color)
     
180. {
     
181. unsigned long index = 0;
     
182. 
     
183. LCD_WR_REG(0x0020,0x0000);//GRAM水平起始位置
     
184. LCD_WR_REG(0x0021,0x013F);
     
185. 
     
186. LCD_WR_REG(0x0050,0x00);//水平 GRAM起始位置
     
187. LCD_WR_REG(0x0051,239);//水平GRAM终止位置
     
188. LCD_WR_REG(0x0052,0x00);//垂直GRAM起始位置
     
189. LCD_WR_REG(0x0053,319);//垂直GRAM终止位置
     
190. LCD_WR_REG16(0x0022);
     
191. 
     
192. LCD_RD_H();
     
193. LCD_RS_H();
     
194. LCD_CS_L();
     
195. for(index = 0; index < 76800; index++)
     
196. {
     
197. // LCD_WR_DATA16(Color);
     
198. 
     
199. LCD_WR_L();
     
200. DATA_LCD_PORT=Color>>8;
     
201. LCD_WR_H();
     
202. LCD_WR_L();
     
203. DATA_LCD_PORT=Color&0XFF;
     
204. LCD_WR_H();
     
205. 
     
206. 
     
207. }
     
208. LCD_CS_H();
     
209. }

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8位 16位 使用的屏模块 完全相通  不必使用74系列的芯片即可

稍后上照片