带液晶显示驱动的智能电梯控制器
case(LUT_INDEX) // Initial
LCD_INTIAL+0: LUT_DATA <= 9'h038; LCD_INTIAL+1: LUT_DATA <= 9'h00C; LCD_INTIAL+2: LUT_DATA <= 9'h001; LCD_INTIAL+3: LUT_DATA <= 9'h006; LCD_INTIAL+4: LUT_DATA <= 9'h080; // Line 1
LCD_LINE1+0: LUT_DATA <= 9'h120; //
LCD_LINE1+1: LUT_DATA <= 9'b1_0110_0100; //d // door is open.. LCD_LINE1+2: LUT_DATA <= 9'b1_0110_1111; //o LCD_LINE1+3: LUT_DATA <= 9'b1_0110_1111; //o LCD_LINE1+4: LUT_DATA <= 9'b1_0111_0010; //r LCD_LINE1+5: LUT_DATA <= 9'h120; //
LCD_LINE1+6: LUT_DATA <= 9'b1_0110_1001; //i LCD_LINE1+7: LUT_DATA <= 9'b1_0111_0011; //s LCD_LINE1+8: LUT_DATA <= 9'h120; //
LCD_LINE1+9: LUT_DATA <= 9'b1_0110_1111; //o LCD_LINE1+10: LUT_DATA <= 9'b1_0111_0000; //p LCD_LINE1+11: LUT_DATA <= 9'b1_0110_0101; //e LCD_LINE1+12: LUT_DATA <= 9'b1_0110_1110; //n LCD_LINE1+13: LUT_DATA <= 9'b1_0010_1110; //. LCD_LINE1+14: LUT_DATA <= 9'b1_0010_1110; //. LCD_LINE1+15: LUT_DATA <= 9'h120; //
default: LUT_DATA <= 9'h000; endcase
else if(idown_enable) //如果LCD仲裁器的“下降使能”有效就执行： case(LUT_INDEX) // Initial
LCD_INTIAL+0: LUT_DATA <= 9'h038; LCD_INTIAL+1: LUT_DATA <= 9'h00C; LCD_INTIAL+2: LUT_DATA <= 9'h001; LCD_INTIAL+3: LUT_DATA <= 9'h006; LCD_INTIAL+4: LUT_DATA <= 9'h080; // Line 1
LCD_LINE1+0: LUT_DATA <= 9'h120;//
LCD_LINE1+1: LUT_DATA <= 9'b1_0110_1001;//i // it is falling.. LCD_LINE1+2: LUT_DATA <= 9'b1_0111_0100;//t LCD_LINE1+3: LUT_DATA <= 9'h120;//
LCD_LINE1+4: LUT_DATA <= 9'b1_0110_1001;//i LCD_LINE1+5: LUT_DATA <= 9'b1_0111_0011;//s
- 36 -
带液晶显示驱动的智能电梯控制器
LCD_LINE1+6: LUT_DATA <= 9'h120;//
LCD_LINE1+7: LUT_DATA <= 9'b1_0110_0110;//f LCD_LINE1+8: LUT_DATA <= 9'b1_0110_0001;//a LCD_LINE1+9: LUT_DATA <= 9'b1_0110_1100;//l LCD_LINE1+10: LUT_DATA <= 9'b1_0110_1100;//l LCD_LINE1+11: LUT_DATA <= 9'b1_0110_1001;//i LCD_LINE1+12: LUT_DATA <= 9'b1_0110_1110;//n LCD_LINE1+13: LUT_DATA <= 9'b1_0110_0111;//g LCD_LINE1+14: LUT_DATA <= 9'b1_0010_1110;//. LCD_LINE1+15: LUT_DATA <= 9'b1_0010_1110;//.
default: LUT_DATA <= 9'h000; endcase
else if(iup_enable) //如果LCD仲裁器的“上升使能”有效就执行： case(LUT_INDEX) // Initial
LCD_INTIAL+0: LUT_DATA <= 9'h038; LCD_INTIAL+1: LUT_DATA <= 9'h00C; LCD_INTIAL+2: LUT_DATA <= 9'h001; LCD_INTIAL+3: LUT_DATA <= 9'h006; LCD_INTIAL+4: LUT_DATA <= 9'h080; // Line 1
LCD_LINE1+0: LUT_DATA <= 9'h120;//
LCD_LINE1+1: LUT_DATA <= 9'b1_0110_1001;//i // it is rising.. LCD_LINE1+2: LUT_DATA <= 9'b1_0111_0100;//t LCD_LINE1+3: LUT_DATA <= 9'h120;//
LCD_LINE1+4: LUT_DATA <= 9'b1_0110_1001;//i LCD_LINE1+5: LUT_DATA <= 9'b1_0111_0011;//s LCD_LINE1+6: LUT_DATA <= 9'h120;//
LCD_LINE1+7: LUT_DATA <= 9'b1_0111_0010;//r LCD_LINE1+8: LUT_DATA <= 9'b1_0110_1001;//i LCD_LINE1+9: LUT_DATA <= 9'b1_0111_0011;//s LCD_LINE1+10: LUT_DATA <= 9'b1_0110_1001;//i LCD_LINE1+11: LUT_DATA <= 9'b1_0110_1110;//n LCD_LINE1+12: LUT_DATA <= 9'b1_0110_0111;//g LCD_LINE1+13: LUT_DATA <= 9'b1_0010_1110;//. LCD_LINE1+14: LUT_DATA <= 9'b1_0010_1110;//. LCD_LINE1+15: LUT_DATA <= 9'h120;//
default: LUT_DATA <= 9'h000; endcase
- 37 -
带液晶显示驱动的智能电梯控制器
else if(istop_enable) //如果LCD仲裁器的“停止等待使能”有效就执行： case(LUT_INDEX) // Initial LCD_INTIAL+0: LUT_DATA <= 9'h038; LCD_INTIAL+1: LUT_DATA <= 9'h00C; LCD_INTIAL+2: LUT_DATA <= 9'h001; LCD_INTIAL+3: LUT_DATA <= 9'h006; LCD_INTIAL+4: LUT_DATA <= 9'h080; // Line 1 LCD_LINE1+0: LUT_DATA <= 9'h120;// LCD_LINE1+1: LUT_DATA <= 9'b1_0110_1001;//i // it is static.. LCD_LINE1+2: LUT_DATA <= 9'b1_0111_0100;//t LCD_LINE1+3: LUT_DATA <= 9'h120;// LCD_LINE1+4: LUT_DATA <= 9'b1_0110_1001;//i LCD_LINE1+5: LUT_DATA <= 9'b1_0111_0011;//s LCD_LINE1+6: LUT_DATA <= 9'h120;// LCD_LINE1+7: LUT_DATA <= 9'b1_0111_0011;//s LCD_LINE1+8: LUT_DATA <= 9'b1_0111_0100;//t LCD_LINE1+9: LUT_DATA <= 9'b1_0110_0001;//a LCD_LINE1+10: LUT_DATA <= 9'b1_0111_0100;//t LCD_LINE1+11: LUT_DATA <= 9'b1_0110_1001;//i LCD_LINE1+12: LUT_DATA <= 9'b1_0110_0011;//c LCD_LINE1+13: LUT_DATA <= 9'b1_0010_1110;//. LCD_LINE1+14: LUT_DATA <= 9'b1_0010_1110;//. LCD_LINE1+15: LUT_DATA <= 9'h120;// default: LUT_DATA <= 9'h000; endcase else if(iclose_enable) //如果LCD仲裁器的“关门使能”有效就执行： case(LUT_INDEX) // Initial LCD_INTIAL+0: LUT_DATA <= 9'h038; LCD_INTIAL+1: LUT_DATA <= 9'h00C; LCD_INTIAL+2: LUT_DATA <= 9'h001; LCD_INTIAL+3: LUT_DATA <= 9'h006; LCD_INTIAL+4: LUT_DATA <= 9'h080; // Line 1 LCD_LINE1+0: LUT_DATA <= 9'h120;//
- 38 -
带液晶显示驱动的智能电梯控制器
LCD_LINE1+1: LUT_DATA LCD_LINE1+2: LUT_DATA LCD_LINE1+3: LUT_DATA LCD_LINE1+4: LUT_DATA LCD_LINE1+5: LUT_DATA LCD_LINE1+6: LUT_DATA LCD_LINE1+7: LUT_DATA LCD_LINE1+8: LUT_DATA LCD_LINE1+9: LUT_DATA LCD_LINE1+10: LUT_DATA LCD_LINE1+11: LUT_DATA LCD_LINE1+12: LUT_DATA LCD_LINE1+13: LUT_DATA LCD_LINE1+14: LUT_DATA LCD_LINE1+15: LUT_DATA default: LUT_DATA <= endcase else //默认的情况
case(LUT_INDEX) // Initial LCD_INTIAL+0: LUT_DATA LCD_INTIAL+1: LUT_DATA LCD_INTIAL+2: LUT_DATA LCD_INTIAL+3: LUT_DATA LCD_INTIAL+4: LUT_DATA // Line 1 LCD_LINE1+0: LUT_DATA LCD_LINE1+1: LUT_DATA LCD_LINE1+2: LUT_DATA LCD_LINE1+3: LUT_DATA LCD_LINE1+4: LUT_DATA LCD_LINE1+5: LUT_DATA LCD_LINE1+6: LUT_DATA LCD_LINE1+7: LUT_DATA LCD_LINE1+8: LUT_DATA LCD_LINE1+9: LUT_DATA LCD_LINE1+10: LUT_DATA LCD_LINE1+11: LUT_DATA LCD_LINE1+12: LUT_DATA
<=
<= <= <= <= <= <= <= <= <= <= <= <= <= <= 9'b1_0110_0100;//d // door is close.. 9'b1_0110_1111;//o 9'b1_0110_1111;//o 9'b1_0111_0010;//r 9'h120;//
9'b1_0110_1001;//i 9'b1_0111_0011;//s 9'h120;//
9'b1_0110_0011;//c 9'b1_0110_1100;//l 9'b1_0110_1111;//o 9'b1_0111_0011;//s 9'b1_0110_0101;//e 9'b1_0010_1110;//. 9'b1_0010_1110;//.
9'h000;
<= <= <= <= <= <= <= <= <= <= <= <= <= <= <= <= <= <=
9'h038; 9'h00C; 9'h001; 9'h006; 9'h080;
9'h120;//
9'b1_0110_1001;//i // it is static.. 9'b1_0111_0100;//t 9'h120;//
9'b1_0110_1001;//i 9'b1_0111_0011;//s 9'h120;//
9'b1_0111_0011;//s 9'b1_0111_0100;//t 9'b1_0110_0001;//a 9'b1_0111_0100;//t 9'b1_0110_1001;//i 9'b1_0110_0011;//c
- 39 -
带液晶显示驱动的智能电梯控制器
LCD_LINE1+13: LUT_DATA <= 9'b1_0010_1110;//. LCD_LINE1+14: LUT_DATA <= 9'b1_0010_1110;//. LCD_LINE1+15: LUT_DATA <= 9'h120;// default: LUT_DATA <= 9'h000; endcase end
LCD_Controller u0 ( // Host Side .iDATA(mLCD_DATA), .iRS(mLCD_RS), .iStart(mLCD_Start), .oDone(mLCD_Done), .iCLK(iCLK), .iRST_N(iRST_N), // LCD Interface .LCD_DATA(LCD_DATA), .LCD_RW(LCD_RW), .LCD_EN(LCD_EN), .LCD_RS(LCD_RS) );
Endmodule
Note: 以上模块中有几个模块我没有添加半点注释，原因在于我的那些模块我只需知道它是完成什么功能就行，知道怎样调用就行了，所以没有必要透彻分析，其中的LCD_TEST模块，是我修改的主要模块，其中加入了“根据不同的输入信号，显示不同的字符”来显示电梯状态。其中我写的一些输出端口可能在我的波形中没有看到，是因为那些输出端口是我用来调试用的，主要是要利用波形观察内部信号是怎样变化的。所以在最后的波形文件中我把那些没有观察意义的端口都没有显示出来。
6 智能电梯控制器管脚分配
所选器件：Cyclone第二代2C35 FPGA with 35,000LEs call_up_1 PIN_N25 request_2 PIN_P1 call_up_2 PIN_N26 request_3 PIN_P2 call_up_3 PIN_P25 request_4 PIN_T7 call_up_4 PIN_AE14 request_5 PIN_U3 call_up_5 PIN_AF14 request_6 PIN_U4 cp_50M PIN_N2 reset PIN_V2 call_down_2 PIN_AD13 key PIN_G26 call_down_3 PIN_AC13 out[0] PIN_AF10 call_down_4 PIN_C13 out[1] PIN_AB12 call_down_5 PIN_B13 out[2] PIN_AC12 call_down_6 PIN_A13 out[3] PIN_AD11 request_1 PIN_N1 out[4] PIN_AE11
- 40 -