http://www.52rd.com/Blog/Detail_RD.Blog_whq0217_66110.html

花了一些时间去点亮7寸TFT，现在只能做自动切换画面的部分，按键切换还正在调试中。如下：

 

`timescale 1ns / 1ps

module CMO_5WVGA(CLK,DCLK,HS,UD,LR,VS,DE,LCDR,LCDG,LCDB);

input  CLK;output DCLK;output HS;output VS;output DE;output UD;output LR;output [7:0] LCDR;output [7:0] LCDG;output [7:0] LCDB;/*************BOE 7DD HS/VS parameter*********************// Horizontal Signals:parameter thpw = 11'd20,     //HS Pulse Width,1-40 DCLKthb  = 11'd46,    //HS Blanking 46 DCLK = HS Pulse Width + HS Back Porchthd  = 11'd800,    //Horizontal Display Area,800 DCLKthfp = 11'd210,    //HS Front Porch,16-210-354 DCLKth   = (thb+thd+thfp),  //One Horizontal Line = HS Blanking (thb) + Horizontal Display Area (thd) + HS Front Porch (thfp)

// Vertical Signals:

tvpw = 11'd10,     //Vs Pulse Width 1-20 THtvb  = 11'd23,    //Vs Blanking 23 TH = Vs Pulse Width + VS Back Porchtvd  = 11'd480,    //Vertical Dsiplay Area 480 THtvfp = 11'd22,    //Vs Front Porch 7-22-147 THtv   = (tvb+tvd+tvfp);  //Vs Blanking (tvb) + Vertical Dsiplay Area (tvd) + Vs Front Porch (tvfp)*//******************CMO 5D WVGA parameter*******************// Horizontal Signals:parameter thpw = 11'd128,     //HS Pulse Width,1-40 DCLKthb  = 11'd216,    //HS Blanking 46 DCLK = HS Pulse Width + HS Back Porchthd  = 11'd800,    //Horizontal Display Area,800 DCLKthfp = 11'd88,    //HS Front Porch,16-210-354 DCLKth   = (thb+thd+thfp),  //One Horizontal Line = HS Blanking (thb) + Horizontal Display Area (thd) + HS Front Porch (thfp)

// Vertical Signals:

tvpw = 11'd2,     //Vs Pulse Width 1-20 THtvb  = 11'd35,    //Vs Blanking 23 TH = Vs Pulse Width + VS Back Porchtvd  = 11'd480,    //Vertical Dsiplay Area 480 THtvfp = 11'd8,    //Vs Front Porch 7-22-147 THtv   = (tvb+tvd+tvfp);  //Vs Blanking (tvb) + Vertical Dsiplay Area (tvd) + Vs Front Porch (tvfp)*//******************CPT 7DH WSVGA parameter******************/// Horizontal Signals:parameter thpw = 12'd70,     //HS Pulse Width,1-40 DCLKthb  = 12'd160,    //HS Blanking 46 DCLK = HS Pulse Width + HS Back Porchthd  = 12'd1024,    //Horizontal Display Area,800 DCLKthfp = 12'd160,    //HS Front Porch,16-210-354 DCLKth   = (thb+thd+thfp),  //One Horizontal Line = HS Blanking (thb) + Horizontal Display Area (thd) + HS Front Porch (thfp)

// Vertical Signals:

tvpw = 12'd10,     //Vs Pulse Width 1-20 THtvb  = 12'd23,    //Vs Blanking 23 TH = Vs Pulse Width + VS Back Porchtvd  = 12'd600,    //Vertical Dsiplay Area 480 THtvfp = 12'd12,    //Vs Front Porch 7-22-147 THtv   = (tvb+tvd+tvfp);  //Vs Blanking (tvb) + Vertical Dsiplay Area (tvd) + Vs Front Porch (tvfp)