《打地鼠FPGA实现》PPT课件.ppt

数字系统设计,打地鼠,打地鼠,功能介绍：,闯 三 关,打中地鼠，拼得40分,打中地鼠，拼得80分,得分过百,晋级,晋级,通 关,功能介绍：,功能介绍：,模块功能描述 （1）MOUSESETTING 设置地鼠各个洞穴的编码，随机产生地鼠 （2）键盘扫描电路： 对键盘进行行扫描，根据列的信号判断按键 （3）GRAPH 对点阵进行逐行扫描显示编码 （4）LED显示电路 显示键盘的按键或者通关的走马灯 （5）SCORE 计算分数并编码,存在问题及解决方案,实现方案：,OM1 = “010000000“; OM2 = “100000000“; OM3 = “000010000“; OM4 = “001000000“; OM5 = “000001000“; OM6 = “000000010“; OM7 = “000000100“; OM8 = “010000000“; OM9 = “000100000“; OM10 = “000000001“; OM11 = “100000000“; OM12 = “000001000“; OM13 = “000000100“; OM14 = “001000000“; OM15 = “000010000“; OM16 = “000000001“; -16个老鼠可能出现的地方 OUT_MOS = OM1 WHEN Clkrandom = 0 ELSE OM2 WHEN Clkrandom = 1 ELSE OM3 WHEN Clkrandom = 2 ELSE OM4 WHEN Clkrandom = 3 ELSE OM5 WHEN Clkrandom= 4 ELSE OM6 WHEN Clkrandom = 5 ELSE OM7 WHEN Clkrandom = 6 ELSE OM8 WHEN Clkrandom = 7 ELSE OM9 WHEN Clkrandom = 8 ELSE OM10 WHEN Clkrandom = 9 ELSE OM11 WHEN Clkrandom = 10 ELSE OM12 WHEN Clkrandom = 11 ELSE OM13 WHEN Clkrandom = 12 ELSE OM14 WHEN Clkrandom = 13 ELSE OM15 WHEN Clkrandom = 14 ELSE OM16 WHEN Clkrandom = 15 ;,存在问题及解决方案,实现方案：,在算法中，我将该8X8的点阵上的64个点整个得作为一个VECTOR，0表示该点亮，1表示该点灭。 例如： BASIC = “11011011 11011011 00000000 11011011 11011011 00000000 11011011 11011011“ ; -显示“井”字绿色边界 同理： E1 = “0011111100111111111111111111111111111111111111111111111111111111“WHEN OUT_MOS(1) = 1 ELSE EN ; -区域一的点亮了，老鼠出现在区域一 E1G = “0011111100111111111111111111111111111111111111111111111111111111“WHEN OUT_MOS(1) = 1 AND EDS_RKN3(1) = 0 ELSE EN ; -区域一的老鼠被打死,存在问题及解决方案,实现方案：,ROW = “11111111“ WHEN RESET =1 ELSE “01111111“ WHEN ROWW=0 ELSE “10111111“ WHEN ROWW=1 ELSE “11011111“ WHEN ROWW=2 ELSE “11101111“ WHEN ROWW=3 ELSE “11110111“ WHEN ROWW=4 ELSE “11111011“ WHEN ROWW=5 ELSE “11111101“ WHEN ROWW=6 ELSE “11111110“ WHEN ROWW=7; -点阵行扫描的显示 CR =“11111111“ WHEN RESET =1 ELSE WHAT_OUT( 1 TO 8 ) WHEN ROWW=0 AND C = 0 ELSE WHAT_OUT( 9 TO 16) WHEN ROWW=1 AND C = 0 ELSE WHAT_OUT(17 TO 24) WHEN ROWW=2 AND C = 0 ELSE WHAT_OUT(25 TO 32) WHEN ROWW=3 AND C = 0 ELSE WHAT_OUT(33 TO 40) WHEN ROWW=4 AND C = 0 ELSE WHAT_OUT(41 TO 48) WHEN ROWW=5 AND C = 0 ELSE WHAT_OUT(49 TO 56) WHEN ROWW=6 AND C = 0 ELSE WHAT_OUT(57 TO 64) WHEN ROWW=7 AND C = 0 ELSE -得分没有过百时，红色的列1-8位的赋值 -CG=“11111111“; CG = “11111111“ WHEN RESET =1 ELSE WHAT_OUT_G( 1 TO 8 ) WHEN ROWW=0 AND C = 0 ELSE WHAT_OUT_G( 9 TO 16) WHEN ROWW=1 AND C = 0 ELSE WHAT_OUT_G(17 TO 24) WHEN ROWW=2 AND C = 0 ELSE WHAT_OUT_G(25 TO 32) WHEN ROWW=3 AND C = 0 ELSE WHAT_OUT_G(33 TO 40) WHEN ROWW=4 AND C = 0 ELSE WHAT_OUT_G(41 TO 48) WHEN ROWW=5 AND C = 0 ELSE WHAT_OUT_G(49 TO 56) WHEN ROWW=6 AND C = 0 ELSE WHAT_OUT_G(57 TO 64) WHEN ROWW=7 AND C = 0 ELSE -得分没有过百时，绿色的列1-8位的赋值,存在问题及解决方案,实现方案：,PROCESS(RESET,CLK) BEGIN IF RESET=1 THEN QN=“0000000000000000000000000000“; ELSIF CLKevent AND CLK=1THEN QN = QN + 1; END IF; END PROCESS; -关于QN的定义，一个28位的大容量计数器 例如： Clkrandom= QN(27 DOWNTO 24) WHEN B = 0 OR B = 1 OR B = 2 OR B = 3 ELSE QN(26 DOWNTO 23) WHEN B = 4 OR B = 5 OR B = 6 OR B = 7 ELSE QN(25 DOWNTO 22) WHEN B = 8 OR B = 9 ; -计数器低位变化的速率快，地鼠出现的相应的频率就高 EDS = QN(16 DOWNTO 14); CKKK=QN(9); -产生键盘扫描频率 ROWW = QN(9DOWNTO 7); -设置地鼠的出现速率 WIN_OUT_TINE = QN(19 DOWNTO 18); 、 -通关后的图案闪烁频率 在任何一个模块中，时钟都是这个模块的核心，使用这中方法可以方便 快捷的解决好各个模块的时钟问题，并且这种方法易读易懂，用的逻辑器件也 得到了节省。,设计总结,1.算