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4 |
sumanta.ch |
module LCD_TEST ( // Host Side
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| 2 |
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iCLK,iRST_N,msg_in,
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// LCD Side
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LCD_DATA,LCD_RW,LCD_EN,LCD_RS );
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// Host Side
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input iCLK,iRST_N;
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input [2:0] msg_in;
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// LCD Side
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output [7:0] LCD_DATA;
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output LCD_RW,LCD_EN,LCD_RS;
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// Internal Wires/Registers
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reg [5:0] LUT_INDEX;
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reg[5:0] LUT_INDEX_NEXT;
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reg [8:0] LUT_DATA;
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reg [5:0] mLCD_ST,mLCD_nxt_ST;
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reg [17:0] mDLY;
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reg [17:0] mDLY_NEXT;
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reg mLCD_Start;
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reg mLCD_Start_NEXT;
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reg [7:0] mLCD_DATA;
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reg mLCD_RS;
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reg [2:0] msg_in_int;
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wire mLCD_Done;
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parameter LCD_INTIAL = 0;
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parameter LCD_LINE1 = 5;
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parameter LCD_CH_LINE = LCD_LINE1+16;
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parameter LCD_LINE2 = LCD_LINE1+16+1;
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parameter LUT_SIZE = LCD_LINE1+32+1;
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always@(posedge iCLK or negedge iRST_N)
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begin
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if(!iRST_N)
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begin
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mLCD_ST<=4;
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mLCD_DATA <= 0;
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mLCD_RS <= 0;
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msg_in_int <= 0;
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end
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else
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begin
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mLCD_ST<=mLCD_nxt_ST;
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LUT_INDEX<=LUT_INDEX_NEXT;
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mDLY<=mDLY_NEXT;
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mLCD_Start<=mLCD_Start_NEXT;
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msg_in_int<=msg_in;
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mLCD_DATA <= LUT_DATA[7:0];
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mLCD_RS <= LUT_DATA[8];
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end
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end
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//always@(mLCD_ST or msg_in or msg_in_int or LUT_INDEX or LUT_DATA or msg_in_int)
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always@(*)
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begin
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case(mLCD_ST)
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0: begin
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mLCD_Start_NEXT <= 1;
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mDLY_NEXT <= mDLY;
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if(msg_in_int!=msg_in)
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begin
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LUT_INDEX_NEXT<=0;
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end
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else begin
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LUT_INDEX_NEXT<=LUT_INDEX;
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end
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if( LUT_INDEX<LUT_SIZE)
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mLCD_nxt_ST <= 1;
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else
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mLCD_nxt_ST <= 0;
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end
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1: begin
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mDLY_NEXT <= mDLY;
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LUT_INDEX_NEXT<=LUT_INDEX;
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if(mLCD_Done)
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begin
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mLCD_Start_NEXT <= 0;
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mLCD_nxt_ST <= 2;
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end
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else begin
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mLCD_Start_NEXT <= mLCD_Start;
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mLCD_nxt_ST <= 1;
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end
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end
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2: begin
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mLCD_Start_NEXT <= mLCD_Start;
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LUT_INDEX_NEXT<=LUT_INDEX;
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if(mDLY<18'h3FFFE)
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begin
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mDLY_NEXT <= mDLY+1;
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mLCD_nxt_ST <= 2;
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end
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else
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begin
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mDLY_NEXT <= 0;
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mLCD_nxt_ST <= 3;
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end
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end
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3: begin
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mLCD_Start_NEXT <= mLCD_Start;
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mDLY_NEXT <= mDLY;
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LUT_INDEX_NEXT <= LUT_INDEX+1;
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mLCD_nxt_ST <= 0;
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end
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4: begin
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mLCD_Start_NEXT <= 0;
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LUT_INDEX_NEXT <= 0;
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mLCD_nxt_ST <= 0;
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mDLY_NEXT <= 0;
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end
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default: begin
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end
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endcase
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end
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always
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begin
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case(msg_in_int)
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3'b000:
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case(LUT_INDEX)
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// Initial
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LCD_INTIAL+0: LUT_DATA <= 9'h038;
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LCD_INTIAL+1: LUT_DATA <= 9'h00C;
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| 127 |
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LCD_INTIAL+2: LUT_DATA <= 9'h001;
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| 128 |
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LCD_INTIAL+3: LUT_DATA <= 9'h006;
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LCD_INTIAL+4: LUT_DATA <= 9'h080;
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// Line 1
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LCD_LINE1+0: LUT_DATA <= 9'h142; // Banc-d-Test SAFE
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| 132 |
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LCD_LINE1+1: LUT_DATA <= 9'h161;
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| 133 |
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LCD_LINE1+2: LUT_DATA <= 9'h16E;
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| 134 |
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LCD_LINE1+3: LUT_DATA <= 9'h163;
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| 135 |
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LCD_LINE1+4: LUT_DATA <= 9'h12D;
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| 136 |
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LCD_LINE1+5: LUT_DATA <= 9'h164;
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| 137 |
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LCD_LINE1+6: LUT_DATA <= 9'h12D;
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| 138 |
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LCD_LINE1+7: LUT_DATA <= 9'h154;
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| 139 |
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LCD_LINE1+8: LUT_DATA <= 9'h165;
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| 140 |
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LCD_LINE1+9: LUT_DATA <= 9'h173;
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| 141 |
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LCD_LINE1+10: LUT_DATA <= 9'h174;
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| 142 |
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LCD_LINE1+11: LUT_DATA <= 9'h120;
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| 143 |
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LCD_LINE1+12: LUT_DATA <= 9'h153;
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| 144 |
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LCD_LINE1+13: LUT_DATA <= 9'h141;
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| 145 |
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LCD_LINE1+14: LUT_DATA <= 9'h146;
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| 146 |
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LCD_LINE1+15: LUT_DATA <= 9'h145;
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| 147 |
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// Change Line
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LCD_CH_LINE: LUT_DATA <= 9'h0C0;
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| 149 |
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// Line 2
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| 150 |
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LCD_LINE2+0: LUT_DATA <= 9'h142; // Bienvenue A Bord
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| 151 |
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LCD_LINE2+1: LUT_DATA <= 9'h169;
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| 152 |
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LCD_LINE2+2: LUT_DATA <= 9'h165;
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| 153 |
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LCD_LINE2+3: LUT_DATA <= 9'h16E;
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| 154 |
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LCD_LINE2+4: LUT_DATA <= 9'h176;
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| 155 |
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LCD_LINE2+5: LUT_DATA <= 9'h165;
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| 156 |
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LCD_LINE2+6: LUT_DATA <= 9'h16E;
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| 157 |
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LCD_LINE2+7: LUT_DATA <= 9'h175;
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| 158 |
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LCD_LINE2+8: LUT_DATA <= 9'h165;
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| 159 |
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LCD_LINE2+9: LUT_DATA <= 9'h120;
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| 160 |
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LCD_LINE2+10: LUT_DATA <= 9'h141;
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| 161 |
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LCD_LINE2+11: LUT_DATA <= 9'h120;
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| 162 |
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LCD_LINE2+12: LUT_DATA <= 9'h142;
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| 163 |
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LCD_LINE2+13: LUT_DATA <= 9'h16F;
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| 164 |
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LCD_LINE2+14: LUT_DATA <= 9'h172;
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| 165 |
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LCD_LINE2+15: LUT_DATA <= 9'h164;
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| 166 |
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default: LUT_DATA <= 9'h120;
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| 167 |
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endcase
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3'b001:
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case(LUT_INDEX)
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// Initial
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LCD_INTIAL+0: LUT_DATA <= 9'h038;
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| 173 |
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LCD_INTIAL+1: LUT_DATA <= 9'h00C;
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| 174 |
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LCD_INTIAL+2: LUT_DATA <= 9'h001;
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| 175 |
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LCD_INTIAL+3: LUT_DATA <= 9'h006;
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| 176 |
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LCD_INTIAL+4: LUT_DATA <= 9'h080;
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| 177 |
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// Line 1
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| 178 |
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LCD_LINE1+0: LUT_DATA <= 9'h153; // STATE: INIT
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LCD_LINE1+1: LUT_DATA <= 9'h154;
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| 180 |
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LCD_LINE1+2: LUT_DATA <= 9'h141;
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| 181 |
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LCD_LINE1+3: LUT_DATA <= 9'h154;
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| 182 |
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LCD_LINE1+4: LUT_DATA <= 9'h145;
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| 183 |
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LCD_LINE1+5: LUT_DATA <= 9'h13A;
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| 184 |
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LCD_LINE1+6: LUT_DATA <= 9'h120;
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| 185 |
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LCD_LINE1+7: LUT_DATA <= 9'h149;
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| 186 |
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LCD_LINE1+8: LUT_DATA <= 9'h14E;
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| 187 |
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LCD_LINE1+9: LUT_DATA <= 9'h149;
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| 188 |
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LCD_LINE1+10: LUT_DATA <= 9'h154;
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| 189 |
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LCD_LINE1+11: LUT_DATA <= 9'h120;
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| 190 |
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LCD_LINE1+12: LUT_DATA <= 9'h120;
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| 191 |
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LCD_LINE1+13: LUT_DATA <= 9'h120;
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| 192 |
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LCD_LINE1+14: LUT_DATA <= 9'h120;
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| 193 |
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LCD_LINE1+15: LUT_DATA <= 9'h120;
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| 194 |
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// Change Line
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| 195 |
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LCD_CH_LINE: LUT_DATA <= 9'h0C0;
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| 196 |
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default: LUT_DATA <= 9'h120;
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endcase
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3'b010:
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case(LUT_INDEX)
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// Initial
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| 201 |
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LCD_INTIAL+0: LUT_DATA <= 9'h038;
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| 202 |
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LCD_INTIAL+1: LUT_DATA <= 9'h00C;
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| 203 |
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LCD_INTIAL+2: LUT_DATA <= 9'h001;
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| 204 |
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LCD_INTIAL+3: LUT_DATA <= 9'h006;
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| 205 |
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LCD_INTIAL+4: LUT_DATA <= 9'h080;
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| 206 |
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// Line 1
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| 207 |
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LCD_LINE1+0: LUT_DATA <= 9'h153; // STATE: CONFIG
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| 208 |
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LCD_LINE1+1: LUT_DATA <= 9'h154;
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| 209 |
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LCD_LINE1+2: LUT_DATA <= 9'h141;
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| 210 |
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LCD_LINE1+3: LUT_DATA <= 9'h154;
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| 211 |
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LCD_LINE1+4: LUT_DATA <= 9'h145;
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| 212 |
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LCD_LINE1+5: LUT_DATA <= 9'h13A;
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| 213 |
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LCD_LINE1+6: LUT_DATA <= 9'h120;
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| 214 |
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LCD_LINE1+7: LUT_DATA <= 9'h143;
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| 215 |
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LCD_LINE1+8: LUT_DATA <= 9'h14F;
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| 216 |
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LCD_LINE1+9: LUT_DATA <= 9'h14E;
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| 217 |
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LCD_LINE1+10: LUT_DATA <= 9'h146;
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| 218 |
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LCD_LINE1+11: LUT_DATA <= 9'h149;
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| 219 |
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LCD_LINE1+12: LUT_DATA <= 9'h147;
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| 220 |
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LCD_LINE1+13: LUT_DATA <= 9'h120;
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| 221 |
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LCD_LINE1+14: LUT_DATA <= 9'h120;
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| 222 |
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LCD_LINE1+15: LUT_DATA <= 9'h120;
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| 223 |
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// Change Line
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| 224 |
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LCD_CH_LINE: LUT_DATA <= 9'h0C0;
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| 225 |
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default: LUT_DATA <= 9'h120;
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| 226 |
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endcase
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| 227 |
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3'b011:
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| 228 |
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case(LUT_INDEX)
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| 229 |
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// Initial
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| 230 |
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LCD_INTIAL+0: LUT_DATA <= 9'h038;
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| 231 |
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LCD_INTIAL+1: LUT_DATA <= 9'h00C;
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| 232 |
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LCD_INTIAL+2: LUT_DATA <= 9'h001;
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| 233 |
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LCD_INTIAL+3: LUT_DATA <= 9'h006;
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| 234 |
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LCD_INTIAL+4: LUT_DATA <= 9'h080;
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| 235 |
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// Line 1
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| 236 |
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LCD_LINE1+0: LUT_DATA <= 9'h153; // STATE: RUNNING
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| 237 |
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LCD_LINE1+1: LUT_DATA <= 9'h154;
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| 238 |
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LCD_LINE1+2: LUT_DATA <= 9'h141;
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| 239 |
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LCD_LINE1+3: LUT_DATA <= 9'h154;
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| 240 |
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LCD_LINE1+4: LUT_DATA <= 9'h145;
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| 241 |
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LCD_LINE1+5: LUT_DATA <= 9'h13A;
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| 242 |
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LCD_LINE1+6: LUT_DATA <= 9'h120;
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| 243 |
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LCD_LINE1+7: LUT_DATA <= 9'h152;
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| 244 |
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LCD_LINE1+8: LUT_DATA <= 9'h155;
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| 245 |
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LCD_LINE1+9: LUT_DATA <= 9'h14E;
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| 246 |
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LCD_LINE1+10: LUT_DATA <= 9'h14E;
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| 247 |
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LCD_LINE1+11: LUT_DATA <= 9'h149;
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| 248 |
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LCD_LINE1+12: LUT_DATA <= 9'h14E;
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| 249 |
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LCD_LINE1+13: LUT_DATA <= 9'h147;
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| 250 |
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LCD_LINE1+14: LUT_DATA <= 9'h120;
|
| 251 |
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LCD_LINE1+15: LUT_DATA <= 9'h120;
|
| 252 |
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// Change Line
|
| 253 |
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LCD_CH_LINE: LUT_DATA <= 9'h0C0;
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| 254 |
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default: LUT_DATA <= 9'h120;
|
| 255 |
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endcase
|
| 256 |
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3'b111:
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| 257 |
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case(LUT_INDEX)
|
| 258 |
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// Initial
|
| 259 |
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LCD_INTIAL+0: LUT_DATA <= 9'h038;
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| 260 |
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LCD_INTIAL+1: LUT_DATA <= 9'h00C;
|
| 261 |
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LCD_INTIAL+2: LUT_DATA <= 9'h001;
|
| 262 |
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LCD_INTIAL+3: LUT_DATA <= 9'h006;
|
| 263 |
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LCD_INTIAL+4: LUT_DATA <= 9'h080;
|
| 264 |
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// Line 1
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| 265 |
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LCD_LINE1+0: LUT_DATA <= 9'h153; // STATE: CONNECTING
|
| 266 |
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LCD_LINE1+1: LUT_DATA <= 9'h154;
|
| 267 |
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LCD_LINE1+2: LUT_DATA <= 9'h141;
|
| 268 |
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LCD_LINE1+3: LUT_DATA <= 9'h154;
|
| 269 |
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LCD_LINE1+4: LUT_DATA <= 9'h145;
|
| 270 |
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LCD_LINE1+5: LUT_DATA <= 9'h13A;
|
| 271 |
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LCD_LINE1+6: LUT_DATA <= 9'h120;
|
| 272 |
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LCD_LINE1+7: LUT_DATA <= 9'h143;
|
| 273 |
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LCD_LINE1+8: LUT_DATA <= 9'h14F;
|
| 274 |
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LCD_LINE1+9: LUT_DATA <= 9'h14E;
|
| 275 |
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LCD_LINE1+10: LUT_DATA <= 9'h14E;
|
| 276 |
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LCD_LINE1+11: LUT_DATA <= 9'h145;
|
| 277 |
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LCD_LINE1+12: LUT_DATA <= 9'h143;
|
| 278 |
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LCD_LINE1+13: LUT_DATA <= 9'h154;
|
| 279 |
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LCD_LINE1+14: LUT_DATA <= 9'h149;
|
| 280 |
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LCD_LINE1+15: LUT_DATA <= 9'h14E;
|
| 281 |
|
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// Change Line
|
| 282 |
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LCD_CH_LINE: LUT_DATA <= 9'h0C0;
|
| 283 |
|
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default: LUT_DATA <= 9'h120;
|
| 284 |
|
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endcase
|
| 285 |
|
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default:
|
| 286 |
|
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case(LUT_INDEX)
|
| 287 |
|
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// Initial
|
| 288 |
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LCD_INTIAL+0: LUT_DATA <= 9'h038;
|
| 289 |
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LCD_INTIAL+1: LUT_DATA <= 9'h00C;
|
| 290 |
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LCD_INTIAL+2: LUT_DATA <= 9'h001;
|
| 291 |
|
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LCD_INTIAL+3: LUT_DATA <= 9'h006;
|
| 292 |
|
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LCD_INTIAL+4: LUT_DATA <= 9'h080;
|
| 293 |
|
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// Line 1
|
| 294 |
|
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LCD_LINE1+0: LUT_DATA <= 9'h153; // STATE: ERROR
|
| 295 |
|
|
LCD_LINE1+1: LUT_DATA <= 9'h154;
|
| 296 |
|
|
LCD_LINE1+2: LUT_DATA <= 9'h141;
|
| 297 |
|
|
LCD_LINE1+3: LUT_DATA <= 9'h154;
|
| 298 |
|
|
LCD_LINE1+4: LUT_DATA <= 9'h145;
|
| 299 |
|
|
LCD_LINE1+5: LUT_DATA <= 9'h13A;
|
| 300 |
|
|
LCD_LINE1+6: LUT_DATA <= 9'h120;
|
| 301 |
|
|
LCD_LINE1+7: LUT_DATA <= 9'h145;
|
| 302 |
|
|
LCD_LINE1+8: LUT_DATA <= 9'h152;
|
| 303 |
|
|
LCD_LINE1+9: LUT_DATA <= 9'h152;
|
| 304 |
|
|
LCD_LINE1+10: LUT_DATA <= 9'h14F;
|
| 305 |
|
|
LCD_LINE1+11: LUT_DATA <= 9'h152;
|
| 306 |
|
|
LCD_LINE1+12: LUT_DATA <= 9'h120;
|
| 307 |
|
|
LCD_LINE1+13: LUT_DATA <= 9'h120;
|
| 308 |
|
|
LCD_LINE1+14: LUT_DATA <= 9'h120;
|
| 309 |
|
|
LCD_LINE1+15: LUT_DATA <= 9'h120;
|
| 310 |
|
|
// Change Line
|
| 311 |
|
|
LCD_CH_LINE: LUT_DATA <= 9'h0C0;
|
| 312 |
|
|
// // Line 2
|
| 313 |
|
|
default: LUT_DATA <= 9'h120;
|
| 314 |
|
|
endcase
|
| 315 |
|
|
|
| 316 |
|
|
|
| 317 |
|
|
endcase
|
| 318 |
|
|
|
| 319 |
|
|
|
| 320 |
|
|
end
|
| 321 |
|
|
|
| 322 |
|
|
LCD_Controller u0 ( // Host Side
|
| 323 |
|
|
.iDATA(mLCD_DATA),
|
| 324 |
|
|
.iRS(mLCD_RS),
|
| 325 |
|
|
.iStart(mLCD_Start),
|
| 326 |
|
|
.oDone(mLCD_Done),
|
| 327 |
|
|
.iCLK(iCLK),
|
| 328 |
|
|
.iRST_N(iRST_N),
|
| 329 |
|
|
// LCD Interface
|
| 330 |
|
|
.LCD_DATA(LCD_DATA),
|
| 331 |
|
|
.LCD_RW(LCD_RW),
|
| 332 |
|
|
.LCD_EN(LCD_EN),
|
| 333 |
|
|
.LCD_RS(LCD_RS) );
|
| 334 |
|
|
|
| 335 |
|
|
endmodule
|
