黑金开发板板上实现的液晶刷屏程序(1)

1、首先介绍一下手中的资源配置

（声明：本人只是黑金开发板的用户，并非黑金技术支持）

　　FPGA芯片型号：Cyclone IV,EP4CE15

　　液晶参数：SSD1289,320*240,RGB(565)

　　开发板from:黑金淘宝官网

　　TFT液晶from:黑金淘宝官网

2、向上一张贴图：

　　

3、贴上自己的源码：

　　1）显示部分代码：

module TFT(
    //system
    CLK,
    RSTn,
    //tft signal
    LCD_CS,
    LCD_RS,
    LCD_RD,
    LCD_WR,
    LCD_RST,
    LCD_DATA
);
    
    input             CLK;
    input             RSTn;
    //TIF signal wire
    output            LCD_CS;
    output            LCD_RS;
    output             LCD_RD;
    output             LCD_WR;
    output            LCD_RST;
    output [15:0]    LCD_DATA;
    
    reg                LCD_CS;
    reg                LCD_RS;
    reg                LCD_WR;
    reg        [15:0]    LCD_DATA;
    
    assign LCD_RD     = 1'b1;
    assign LCD_RST     = 1'b1;
        
    reg [3:0]        state_lcd_write;
    reg [7:0]        addr_command;
    reg    [16:0]        LCD_DATA_TEMP;
    reg [31:0]        count_dot;
    reg [15:0]        count_delay;
    always @(posedge CLK or negedge RSTn)
    if(!RSTn)
        begin
            state_lcd_write <= 4'd0;
            LCD_CS <= 1'b1;
            LCD_WR <= 1'b1;
            LCD_RS <= 1'b0;
            LCD_DATA <= 16'd0;
            addr_command <= 8'd0;
            LCD_DATA_TEMP <= 17'd0;
            count_dot <= 16'd0;
            count_delay <= 16'd0;
        end
    else
        begin
        case(state_lcd_write)
            4'd0:
                if(count_delay == 16'd2499)//init delay
                    begin
                        state_lcd_write <= 4'd1;
                        count_delay <= 16'd0;
                    end
                else
                    begin
                    state_lcd_write <= 4'd0;
                    count_delay <= count_delay + 1'b1;
                    end
            4'd1:
                if(count_delay == 16'd999)//dot delay
                    begin
                        state_lcd_write <= 4'd2;
                        LCD_CS        <= 1'b1;
                        LCD_WR        <= 1'b1;
                        LCD_DATA_TEMP<=display_command(addr_command);
                        count_delay <= 16'd0;
                    end
                else
                    begin
                    state_lcd_write <= 4'd1;
                    count_delay <= count_delay + 1'b1;
                    end
            4'd2:
                if(LCD_DATA_TEMP[16])//data
                    begin
                        state_lcd_write <= state_lcd_write + 1'b1;
                        LCD_CS    <= 1'b0;
                        LCD_RS    <= 1'b0;
                        LCD_WR    <= 1'b0;
                        LCD_DATA<= LCD_DATA_TEMP[15:0];
                    end
                else    //command
                    begin
                        state_lcd_write <= state_lcd_write + 1'b1;
                        LCD_CS    <= 1'b0;
                        LCD_RS    <= 1'b1;
                        LCD_WR    <= 1'b0;
                        LCD_DATA<= LCD_DATA_TEMP[15:0];
                    end
            4'd3:
                state_lcd_write <= state_lcd_write + 1'b1;
            4'd4:
                begin
                    state_lcd_write <= state_lcd_write + 1'b1;
                    LCD_CS    <= 1'b1;
                end
            4'd5:
                begin 
                    state_lcd_write <= state_lcd_write + 1'b1;
                    LCD_WR    <= 1'b1;
                end
            4'd6:if(addr_command == 8'd83)            //red
                    begin
                        count_dot <= count_dot + 1'b1;
                        state_lcd_write <= 4'd1;
                        if(count_dot == 32'd76800 )
                            begin 
                                addr_command <= 8'd84;
                                count_dot <= 32'd1;
                            end
                        else state_lcd_write <= 4'd1;
                    end
                else if(addr_command == 8'd84)        //white
                    begin
                        count_dot <= count_dot + 1'b1;
                        state_lcd_write <= 4'd1;
                        if(count_dot ==32'd76800 )
                            begin 
                                addr_command <= 8'd83;
                                count_dot <= 32'd0;
                            end
                        else state_lcd_write <= 4'd1;
                    end
                else 
                    begin
                        addr_command <= addr_command + 1'b1;
                        state_lcd_write <= 4'd0;
                    end
            4'd7:state_lcd_write <= 4'd7;
                        
                    
        endcase
        end
    
    function [16:0] display_command;
    input [7:0]addr;
        begin
            case (addr)
                8'd0:display_command = {1'b1,16'h0000};
                8'd1:display_command = {1'b0,16'h0001};
                
                8'd2:display_command = {1'b1,16'h0003};
                8'd3:display_command = {1'b0,16'h6664};
                
                8'd4:display_command = {1'b1,16'h000C};
                8'd5:display_command = {1'b0,16'h0000};
                                      
                8'd6:display_command = {1'b1,16'h000D};
                8'd7:display_command = {1'b0,16'h080C};
                
                8'd8:display_command = {1'b1,16'h000E};
                8'd9:display_command = {1'b0,16'h2B00};
                                     
                8'd10:display_command = {1'b1,16'h001E};
                8'd11:display_command = {1'b0,16'h00B0};
                
                8'd12:display_command = {1'b1,16'h0001};                 
                8'd13:display_command = {1'b0,16'h2B3F};
                
                8'd14:display_command = {1'b1,16'h0002};
                8'd15:display_command = {1'b0,16'h0600};
                
                8'd16:display_command = {1'b1,16'h0010};
                8'd17:display_command = {1'b0,16'h0000};
                
                8'd18:display_command = {1'b1,16'h0011};//set display control mode
                8'd19:display_command = {1'b0,16'h6070};
                
                8'd20:display_command = {1'b1,16'h0005};
                8'd21:display_command = {1'b0,16'h0000};
                
                8'd22:display_command = {1'b1,16'h0006};           
                8'd23:display_command = {1'b0,16'h0000};
                
                8'd24:display_command = {1'b1,16'h0016};
                8'd25:display_command = {1'b0,16'hEF1C};
                
                8'd26:display_command = {1'b1,16'h0017};
                8'd27:display_command = {1'b0,16'h0003};
                8'd28:display_command = {1'b1,16'h0007};
                8'd29:display_command = {1'b0,16'h0233};
                8'd30:display_command = {1'b1,16'h000B};
                8'd31:display_command = {1'b0,16'h0000};
                8'd32:display_command = {1'b1,16'h000F};
                8'd33:display_command = {1'b0,16'h0000};
                8'd34:display_command = {1'b1,16'h0041};
                8'd35:display_command = {1'b0,16'h0000};
                8'd36:display_command = {1'b1,16'h0042};
                8'd37:display_command = {1'b0,16'h0000};
                                      
                8'd38:display_command = {1'b1,16'h0048};
                8'd39:display_command = {1'b0,16'h0000};
                                  
                8'd40:display_command = {1'b1,16'h0049};
                8'd41:display_command = {1'b0,16'h013F};
                                  
                8'd42:display_command = {1'b1,16'h004A};
                8'd43:display_command = {1'b0,16'h0000};
                
                8'd44:display_command = {1'b1,16'h004B};
                8'd45:display_command = {1'b0,16'h0000};
                
                8'd46:display_command = {1'b1,16'h0044};//horizontal ram address
                8'd47:display_command = {1'b0,16'hEF00};
                
                8'd48:display_command = {1'b1,16'h0045};//v
                8'd49:display_command = {1'b0,16'h0000};
                
                8'd50:display_command = {1'b1,16'h0046};
                8'd51:display_command = {1'b0,16'h013f};
                
                8'd52:display_command = {1'b1,16'h0030};
                8'd53:display_command = {1'b0,16'h0707};
                
                8'd54:display_command = {1'b1,16'h0031};
                8'd55:display_command = {1'b0,16'h0204};
                
                8'd56:display_command = {1'b1,16'h0032};
                8'd57:display_command = {1'b0,16'h0204};
                
                8'd58:display_command = {1'b1,16'h0033};
                8'd59:display_command = {1'b0,16'h0502};
                
                8'd60:display_command = {1'b1,16'h0034};
                8'd61:display_command = {1'b0,16'h0507};
                
                8'd62:display_command = {1'b1,16'h0035};
                8'd63:display_command = {1'b0,16'h0204};
                
                8'd64:display_command = {1'b1,16'h0036};
                8'd65:display_command = {1'b0,16'h0204};
                
                8'd66:display_command = {1'b1,16'h0037};
                8'd67:display_command = {1'b0,16'h0502};  
                
                8'd68:display_command = {1'b1,16'h003A};
                8'd69:display_command = {1'b0,16'h0302};
                
                8'd70:display_command = {1'b1,16'h003B};
                8'd71:display_command = {1'b0,16'h0302};
                
                8'd72:display_command = {1'b1,16'h0023};
                8'd73:display_command = {1'b0,16'h0000}; 
                
                8'd74:display_command = {1'b1,16'h0024};
                8'd75:display_command = {1'b0,16'h0000}; 
                
                8'd76:display_command = {1'b1,16'h0025};
                8'd77:display_command = {1'b0,16'h8000};
                
                8'd78:display_command = {1'b1,16'h004E};//光标位置X
                8'd79:display_command = {1'b0,16'h00ef};
                
                8'd80:display_command = {1'b1,16'h004F};//光标位置Y
                8'd81:display_command = {1'b0,16'h013f};
                
                8'd82:display_command = {1'b1,16'h0022};//开始RAM显示
                8'd83:display_command = {1'b0,16'hf800};
                8'd84:display_command = {1'b0,16'hffff};
            
                default:display_command = {1'b0,16'h0000};
            endcase
        end
    endfunction
    
    
endmodule 

　　2）引脚配置TCL文件：

set_location_assignment PIN_K15 -to LCD_CS
set_location_assignment PIN_J16 -to LCD_RS
set_location_assignment PIN_L16 -to LCD_RST
set_location_assignment PIN_L14 -to LCD_RD
set_location_assignment PIN_K16 -to LCD_WR

set_location_assignment PIN_T14 -to LCD_DATA[15]
set_location_assignment PIN_R13 -to LCD_DATA[14]
set_location_assignment PIN_T15 -to LCD_DATA[13]
set_location_assignment PIN_R14 -to LCD_DATA[12]
set_location_assignment PIN_P14 -to LCD_DATA[11]
set_location_assignment PIN_L9    -to LCD_DATA[10]
set_location_assignment PIN_N14 -to LCD_DATA[9]
set_location_assignment PIN_N12 -to LCD_DATA[8]
set_location_assignment PIN_L13 -to LCD_DATA[7]
set_location_assignment PIN_M11 -to LCD_DATA[6]
set_location_assignment PIN_R16 -to    LCD_DATA[5]
set_location_assignment PIN_K12 -to    LCD_DATA[4]
set_location_assignment PIN_P16 -to    LCD_DATA[3]
set_location_assignment PIN_P15 -to    LCD_DATA[2]
set_location_assignment PIN_N16 -to    LCD_DATA[1]
set_location_assignment PIN_N15 -to    LCD_DATA[0]
#

set_location_assignment PIN_A9 -to CLK
set_location_assignment PIN_M1 -to RSTn

谢谢指正！如需要交流，请留言！