1、精選優(yōu)質文檔-傾情為你奉上精選優(yōu)質文檔-傾情為你奉上專心-專注-專業(yè)專心-專注-專業(yè)精選優(yōu)質文檔-傾情為你奉上專心-專注-專業(yè)AVR128驅動2.4寸TFT(主控芯片ILI9325) 2010-08-29 03:46:53 閱讀139 評論0 字號：大中小訂閱 1、原理圖：AVR128與TFT最小系統(tǒng)原理圖。 2、程序/*/*lcd.c*/#include lcd.hint main(void)InitIO();/*IO口初始化*/ILI9325_Initial();/*LCD初始化*/ClearScreen(0 xFFFF);/*清屏*/LCD_SetPos(0,0,239,319);whi

2、le(1)Pant(0 xf800,0,240,0,40); /紅色Pant(0X07E0,0,240,40,80); /綠色Pant(0 x001f,0,240,80,120); /藍色Pant(0 xf800,0,240,120,160); /紅色Pant(0X07E0,0,240,160,200); /綠色Pant(0 x001f,0,240,200,240); /藍色Pant(0 xf800,0,240,240,280); /紅色Pant(0X07E0,0,240,280,320); /綠色delayms(1000);delayms(1000);ClearScreen(0 xFFFF)

3、;Pant(0 xf800,0,240,0,320); /紅色delayms(1000);delayms(1000);ClearScreen(0 xFFFF);Pant(0X07E0,0,240,0,320); /綠色delayms(1000);delayms(1000);ClearScreen(0 xFFFF);Pant(0 x001f,0,240,0,320); /藍色delayms(1000);delayms(1000);ClearScreen(0 xFFFF); return 1;/*/*lcd.h*/*包含文件*/#include #include#include/*類型定義*/ty

4、pedef unsigned char uint8;typedef unsigned int uint16;typedef unsigned long uint32;#define WINDOW_XADDR_START0 x0050 / Horizontal Start Address Set#define WINDOW_XADDR_END0 x0051 / Horizontal End Address Set#define WINDOW_YADDR_START0 x0052 / Vertical Start Address Set#define WINDOW_YADDR_END0 x0053

5、 / Vertical End Address Set#define GRAM_XADDR 0 x0020 / GRAM Horizontal Address Set#define GRAM_YADDR 0 x0021 / GRAM Vertical Address Set#define GRAMWR 0 x0022 / memory write#define _nop_() asm(NOP)#define LCD_RS_DDR DDRG /數據/命令切換#define LCD_RS_PORT PORTG#define LCD_RS_BIT 2#define LCD_CS_DDR DDRG/片

6、選#define LCD_CS_PORT PORTG#define LCD_CS_BIT3#define LCD_WR_DDRDDRG/寫控制#define LCD_WR_PORT PORTG#define LCD_WR_BIT0#define LCD_RD_DDRDDRG/讀控制#define LCD_RD_PORTPORTG#define LCD_RD_BIT1#define LCD_RST_DDR DDRG/復位 #define LCD_RST_PORT PORTG#define LCD_RST_BIT 4#define LCD_CS_H LCD_CS_PORT |= 1LCD_CS_B

7、IT#define LCD_CS_L LCD_CS_PORT &= (1LCD_CS_BIT) /SCE#define LCD_RS_H LCD_RS_PORT |= 1LCD_RS_BIT#define LCD_RS_L LCD_RS_PORT &= (1LCD_RS_BIT) /A0#define LCD_RST_H LCD_RST_PORT |= 1LCD_RST_BIT#define LCD_RST_L LCD_RST_PORT &= (1LCD_RST_BIT) /RST#define LCD_WR_H LCD_WR_PORT |= 1LCD_WR_BIT#define LCD_WR

8、_L LCD_WR_PORT &= (1LCD_WR_BIT)#define LCD_RD_H LCD_RD_PORT |= 1LCD_RD_BIT#define LCD_RD_L LCD_RD_PORT &= (1LCD_RD_BIT)#define ComCtrl PORTG#define ComCtrlDDR DDRG#define DataH PORTC#define DataL PORTA#define DataDDRH DDRC#define DataDDRL DDRA /*作 者:jundg函數名:void InitIO(void)函數功能:IO口初始化函數參數:無返回值:無*/

9、void InitIO(void)ComCtrlDDR=0 x1f;DataDDRH=0 xff;DataDDRL=0 xff;DataH=0 xff;DataL=0 xff;ComCtrl=0 x1f;/*作 者:jundg函數名:void delayms(unsigned int count)函數功能:延時函數函數參數:時間值返回值:無*/void delayms(unsigned int count) int i,j; for(i=0;icount;i+) for(j=0;j8;n=y;Write_Cmd(0 x00,x);Write_Data(m,n);/*作 者:jundg函數名:s

10、tatic void LCD_SetPos(unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1)函數功能:設置顯示區(qū)域函數參數:x0行起始點,x1行結束點,y0列起始點,y1列結束點返回值:無*/static void LCD_SetPos(unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1) Write_Cmd_Data(WINDOW_XADDR_START,x0); Write_Cmd_Data(WINDOW_XADDR_END,x1);

11、Write_Cmd_Data(WINDOW_YADDR_START,y0); Write_Cmd_Data(WINDOW_YADDR_END,y1); Write_Cmd_Data(GRAM_XADDR,x0); Write_Cmd_Data(GRAM_YADDR,y0); Write_Cmd (0 x00,0 x22);/LCD_WriteCMD(GRAMWR);/*作 者:jundg函數名:void Pant(int dcolor,unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1)函數功能:設置顯示區(qū)域并顯示顏色

12、函數參數:dcolor顏色值,x0行起始點,x1行結束點,y0列起始點,y1列結束點返回值:無*/void Pant(int dcolor,unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1)int i,j;LCD_SetPos(x0,x1,y0,y1); for(i=0;i320;i+) for (j=0;j8,dcolor); /*作 者:jundg函數名:void ClearScreen(unsigned int bColor)函數功能:清屏函數參數:bColor=0 xffff清屏返回值:無*/void Cle

13、arScreen(unsigned int bColor)unsigned int i,j;LCD_SetPos(0,240,0,320);/320 x240for (i=0;i322;i+) for (j=0;j8,bColor);/*作 者:jundg函數名:void ILI9325_Initial(void)函數功能:LCD初始化函數參數:無返回值:無*/void ILI9325_Initial(void) LCD_CS_H;delayms(5);LCD_RST_L;delayms(5);LCD_RST_H;delayms(5);delayms(50);Write_Cmd_Data(0

14、x0001,0 x0100); Write_Cmd_Data(0 x0002,0 x0700); Write_Cmd_Data(0 x0003,0 x1030); Write_Cmd_Data(0 x0004,0 x0000); Write_Cmd_Data(0 x0008,0 x0207); Write_Cmd_Data(0 x0009,0 x0000);Write_Cmd_Data(0 x000A,0 x0000); Write_Cmd_Data(0 x000C,0 x0000); Write_Cmd_Data(0 x000D,0 x0000);Write_Cmd_Data(0 x000F

15、,0 x0000);/power on sequence VGHVGLWrite_Cmd_Data(0 x0010,0 x0000); Write_Cmd_Data(0 x0011,0 x0007); Write_Cmd_Data(0 x0012,0 x0000); Write_Cmd_Data(0 x0013,0 x0000); /vgh Write_Cmd_Data(0 x0010,0 x1290); Write_Cmd_Data(0 x0011,0 x0227);/delayms(100);/vregiout Write_Cmd_Data(0 x0012,0 x001d); /0 x00

16、1b/delayms(100); /vom amplitudeWrite_Cmd_Data(0 x0013,0 x1500);/delayms(100); /vom HWrite_Cmd_Data(0 x0029,0 x0018); Write_Cmd_Data(0 x002B,0 x000D); /gammaWrite_Cmd_Data(0 x0030,0 x0004);Write_Cmd_Data(0 x0031,0 x0307);Write_Cmd_Data(0 x0032,0 x0002);/ 0006Write_Cmd_Data(0 x0035,0 x0206);Write_Cmd_

17、Data(0 x0036,0 x0408);Write_Cmd_Data(0 x0037,0 x0507); Write_Cmd_Data(0 x0038,0 x0204);/0200Write_Cmd_Data(0 x0039,0 x0707); Write_Cmd_Data(0 x003C,0 x0405);/ 0504Write_Cmd_Data(0 x003D,0 x0F02); /ramWrite_Cmd_Data(0 x0050,0 x0000); Write_Cmd_Data(0 x0051,0 x00EF);Write_Cmd_Data(0 x0052,0 x0000); Wr

18、ite_Cmd_Data(0 x0053,0 x013F); Write_Cmd_Data(0 x0060,0 xA700); Write_Cmd_Data(0 x0061,0 x0001); Write_Cmd_Data(0 x006A,0 x0000); /Write_Cmd_Data(0 x0080,0 x0000); Write_Cmd_Data(0 x0081,0 x0000); Write_Cmd_Data(0 x0082,0 x0000); Write_Cmd_Data(0 x0083,0 x0000); Write_Cmd_Data(0 x0084,0 x0000); Write