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1、<p> SOPC課程設(shè)計(jì)實(shí)驗(yàn)報(bào)告</p><p> 基于SOPC的警示燈設(shè)計(jì)</p><p> 2013電子信息工程3班</p><p> 李婕20134557</p><p> 羅丹妮20134563</p><p> 設(shè)計(jì)目的
2、 </p><p> 熟悉掌握SOPC的基本流程</p><p> 設(shè)計(jì)一個(gè)警示燈并滿足基本要求</p><p> 通過(guò)設(shè)計(jì)發(fā)現(xiàn)問(wèn)題并解決</p><p><b> 設(shè)計(jì)設(shè)備</b></p><p> 1、硬件:PC機(jī)、SOPC-N
3、IOS II EDA/SOPC系統(tǒng)開發(fā)平臺(tái)</p><p> 2、軟件:QUARTUS II、SOPC Builder、NIOS II IDE</p><p><b> 設(shè)計(jì)內(nèi)容</b></p><p> 初始狀態(tài)為紅燈(LED2)熄滅,綠燈(LED1)點(diǎn)亮,數(shù)碼管顯示為0。</p><p> 當(dāng)按鍵按下,紅燈(
4、LED2)閃爍,綠燈(LED1)熄滅,同時(shí)蜂鳴器響起,數(shù)碼管開始倒計(jì)時(shí)9S,此狀態(tài)持續(xù)時(shí)間為9s。</p><p> 9s后,恢復(fù)初始狀態(tài)。</p><p><b> 設(shè)計(jì)步驟</b></p><p> 使用Quartus II建立一個(gè)工程文件和頂層文件;</p><p> 使用SOPC Builder建立一個(gè)簡(jiǎn)
5、單Nios II硬件系統(tǒng)</p><p> 啟動(dòng)SOPC Builder</p><p><b> 指定目標(biāo)FPGA</b></p><p> 添加NiosII內(nèi)核及其他外設(shè)</p><p> A、添加NiosII、SRAM、JTAG-UART、Avalon總線的IP核</p><p>
6、 B、添加一個(gè)2位的輸入型PIO作為按鍵key</p><p> C、添加兩個(gè)1位的輸出型PIO作為 led1及l(fā)ed2的輸出端口</p><p> D、添加一個(gè)1位的輸出型PIO作為蜂鳴器的輸入端口A</p><p> E、添加一個(gè)3位的輸出型PIO作為數(shù)碼管的位選sel</p><p> F、添加一個(gè)8位的輸出型PIO作為數(shù)碼管
7、的段選dat</p><p> 4) 指定基地址和中斷優(yōu)先級(jí)</p><p> 5) 設(shè)置NiosII復(fù)位和異常地址</p><p> 6) 編譯生成NiosII系統(tǒng)</p><p> SOPC Builder行程圖如下:</p><p> 3、在Quartus II中建立一個(gè)蜂鳴器<
8、;/p><p> 1) 用VHDL語(yǔ)言編寫蜂鳴器程序</p><p> 2) 編譯成功后Creat symbol,生成Project sing</p><p> 4、在Quartus II中編譯Nios II硬件系統(tǒng)并生成配置文件</p><p> 1) 在Quartus II加入Nios II系統(tǒng)符號(hào)到頂層文件</
9、p><p> 2) 給各端口加入輸入輸出引腳,并重命名</p><p><b> 3) 設(shè)置參數(shù)</b></p><p> 4) 編譯頂層文件</p><p><b> 5) 分配管腳</b></p><p><b> 6) 再次編譯<
10、;/b></p><p> 5、在Nios II IDE中建立C/C++工程,編寫用戶程序</p><p><b> 6、編譯用戶程序</b></p><p> 7、下載.SOF至FPGA,運(yùn)行程序,觀察結(jié)果</p><p><b> 五、設(shè)計(jì)程序 </b></p>&l
11、t;p> 蜂鳴器程序(VHDL):</p><p> LIBRARY IEEE;</p><p> USE IEEE.STD_LOGIC_1164.ALL;</p><p> USE IEEE.STD_LOGIC_UNSIGNED.ALL;</p><p> ENTITY sing1 IS</p><
12、p><b> PORT(</b></p><p> CLK:IN STD_LOGIC;</p><p> p:IN STD_LOGIC;</p><p> -- DIGIT:BUFFER STD_LOGIC_VECTOR(6 DOWNTO 0);</p><p> SPEAKER:OUT STD_LOG
13、IC);</p><p> END ENTITY;</p><p> ARCHITECTURE SONG OF sing1 IS</p><p> SIGNAL DRIVER,ORIGIN:STD_LOGIC_VECTOR(12 DOWNTO 0);</p><p> SIGNAL COUNTER:INTEGER RANGE 0 TO
14、 140;</p><p> SIGNAL COUNTER1:INTEGER RANGE 0 TO 3;</p><p> SIGNAL COUNTER2:INTEGER RANGE 1 TO 10000000;</p><p> SIGNAL DIGIT :STD_LOGIC_VECTOR(6 DOWNTO 0);</p><p>
15、 SIGNAL COUNT :STD_LOGIC_VECTOR(1 DOWNTO 0); </p><p> SIGNAL CARRIER,CLK_4MHZ,CLK_4HZ:STD_LOGIC;</p><p><b> BEGIN</b></p><p> PROCESS(CLK)</p><p><b
16、> BEGIN</b></p><p> IF CLK'EVENT AND CLK='1' THEN</p><p> IF COUNTER1=1 THEN CLK_4MHZ<='1';</p><p> COUNTER1<=2;</p><p> ELSIF C
17、OUNTER1=3 THEN CLK_4MHZ<='0';</p><p> COUNTER1<=0;</p><p> ELSE COUNTER1<=COUNTER1+1;</p><p><b> END IF;</b></p><p> IF COUNTER2=500000
18、0 THEN CLK_4HZ<='1';</p><p> COUNTER2<=5000001;</p><p> ELSIF COUNTER2=10000000 THEN CLK_4HZ<='0';</p><p> COUNTER2<=1;</p><p> ELSE COU
19、NTER2<=COUNTER2+1;</p><p><b> END IF;</b></p><p><b> END IF;</b></p><p> END PROCESS;</p><p> PROCESS(CLK_4MHZ)</p><p><b
20、> BEGIN</b></p><p> IF CLK_4MHZ'EVENT AND CLK_4MHZ='1' THEN</p><p> IF DRIVER="1111111111111"THEN</p><p> CARRIER<='1';</p><
21、p> DRIVER<=ORIGIN;</p><p><b> ELSE</b></p><p> DRIVER<=DRIVER+1;</p><p> CARRIER<='0';</p><p><b> END IF;</b></p>
22、<p><b> END IF;</b></p><p> END PROCESS;</p><p> PROCESS(CARRIER)</p><p><b> BEGIN</b></p><p> if(p='1')then</p><
23、p> IF CARRIER'EVENT AND CARRIER='1' THEN</p><p> COUNT<=COUNT+1;</p><p> IF COUNT="00"THEN</p><p> SPEAKER<='1';</p><p><b
24、> ELSE</b></p><p> SPEAKER<='0';</p><p><b> END IF;</b></p><p><b> END IF;</b></p><p><b> end if;</b></p
25、><p> END PROCESS;</p><p> PROCESS(CLK_4HZ)</p><p><b> BEGIN</b></p><p> IF CLK_4HZ'EVENT AND CLK_4HZ='1' THEN</p><p> IF COUNTER
26、=140 THEN</p><p> COUNTER<=0;</p><p> ELSE COUNTER<=COUNTER+1;</p><p><b> END IF;</b></p><p><b> END IF;</b></p><p> CAS
27、E COUNTER IS</p><p> WHEN 0 =>DIGIT<="0000011"; WHEN 1 =>DIGIT<="0000011";</p><p> WHEN 2 =>DIGIT<="0000011"; WHEN 3 =>
28、DIGIT<="0000011";</p><p> WHEN 4 =>DIGIT<="0000101"; WHEN 5 =>DIGIT<="0000101";</p><p> WHEN 6 =>DIGIT<="0000101";
29、 WHEN 7 =>DIGIT<="0000110";</p><p> WHEN 8 =>DIGIT<="0001000"; WHEN 9 =>DIGIT<="0001000";</p><p> WHEN 10 =>DIGIT<="0
30、001000"; WHEN 11 =>DIGIT<="0010000";</p><p> WHEN 12 =>DIGIT<="0000110"; WHEN 13 =>DIGIT<="0001000";</p><p> WHEN 14 =>
31、;DIGIT<="0000101"; WHEN 15 =>DIGIT<="0000101";</p><p> WHEN 16 =>DIGIT<="0101000"; WHEN 17 =>DIGIT<="0101000";</p><p
32、> WHEN 18 =>DIGIT<="0101000"; WHEN 19 =>DIGIT<="1000000";</p><p> WHEN 20 =>DIGIT<="0110000"; WHEN 21 =>DIGIT<="0101000"
33、;</p><p> WHEN 22 =>DIGIT<="0011000"; WHEN 23 =>DIGIT<="0101000";</p><p> WHEN 24 =>DIGIT<="0010000"; WHEN 25 =>DIGIT<=&
34、quot;0010000";</p><p> WHEN 26 =>DIGIT<="0010000"; WHEN 27 =>DIGIT<="0010000";</p><p> WHEN 28 =>DIGIT<="0010000"; WHEN 2
35、9 =>DIGIT<="0010000";</p><p> WHEN 30 =>DIGIT<="0000011"; WHEN 31 =>DIGIT<="0000000";</p><p> WHEN 32 =>DIGIT<="0010000"
36、;; WHEN 33 =>DIGIT<="0010000";</p><p> WHEN 34 =>DIGIT<="0010000"; WHEN 35 =>DIGIT<="0011000";</p><p> WHEN 36 =>DIGIT<=
37、"0000111"; WHEN 37 =>DIGIT<="0000111";</p><p> WHEN 38 =>DIGIT<="0000110"; WHEN 39 =>DIGIT<="0000110";</p><p> WHEN
38、40 =>DIGIT<="0000101"; WHEN 41 =>DIGIT<="0000101";</p><p> WHEN 42 =>DIGIT<="0000101"; WHEN 43 =>DIGIT<="0000110";</p>
39、<p> WHEN 44 =>DIGIT<="0001000"; WHEN 45 =>DIGIT<="0001000";</p><p> WHEN 46 =>DIGIT<="0010000"; WHEN 47 =>DIGIT<="001000
40、0";</p><p> WHEN 48 =>DIGIT<="0000011"; WHEN 49 =>DIGIT<="0000011";</p><p> WHEN 50 =>DIGIT<="0001000"; WHEN 51 =>DIGI
41、T<="0001000";</p><p> WHEN 52 =>DIGIT<="0000110"; WHEN 53 =>DIGIT<="0000101";</p><p> WHEN 54 =>DIGIT<="0000110";
42、 WHEN 55 =>DIGIT<="0001000";</p><p> WHEN 56 =>DIGIT<="0000101"; WHEN 57 =>DIGIT<="0000101";</p><p> WHEN 58 =>DIGIT<="00001
43、01"; WHEN 59 =>DIGIT<="0000101";</p><p> WHEN 60 =>DIGIT<="0000101"; WHEN 61 =>DIGIT<="0000101";</p><p> WHEN 62 =>DIG
44、IT<="0000101"; WHEN 63 =>DIGIT<="0000101";</p><p> WHEN 64 =>DIGIT<="0011000"; WHEN 65 =>DIGIT<="0011000";</p><p>
45、 WHEN 66 =>DIGIT<="0011000"; WHEN 67 =>DIGIT<="0101000";</p><p> WHEN 68 =>DIGIT<="0000111"; WHEN 69 =>DIGIT<="0000111";<
46、;/p><p> WHEN 70 =>DIGIT<="0010000"; WHEN 71 =>DIGIT<="0010000";</p><p> WHEN 72 =>DIGIT<="0000110"; WHEN 73 =>DIGIT<="
47、;0001000";</p><p> WHEN 74 =>DIGIT<="0000101"; WHEN 75 =>DIGIT<="0000101";</p><p> WHEN 76 =>DIGIT<="0000101"; WHEN 77 =&
48、gt;DIGIT<="0000101";</p><p> WHEN 78 =>DIGIT<="0000101"; WHEN 79 =>DIGIT<="0000101";</p><p> WHEN 80 =>DIGIT<="0000011";
49、 WHEN 81 =>DIGIT<="0000101";</p><p> WHEN 82 =>DIGIT<="0000011"; WHEN 83 =>DIGIT<="0000011";</p><p> WHEN 84 =>DIGIT<=&quo
50、t;0000101"; WHEN 85 =>DIGIT<="0000110";</p><p> WHEN 86 =>DIGIT<="0000111"; WHEN 87 =>DIGIT<="0010000";</p><p> WHEN 88 =
51、>DIGIT<="0000110"; WHEN 89 =>DIGIT<="0000110";</p><p> WHEN 90 =>DIGIT<="0000110"; WHEN 91 =>DIGIT<="0000110";</p>&l
52、t;p> WHEN 92 =>DIGIT<="0000110"; WHEN 93 =>DIGIT<="0000110";</p><p> WHEN 94 =>DIGIT<="0000101"; WHEN 95 =>DIGIT<="0000110&qu
53、ot;;</p><p> WHEN 96 =>DIGIT<="0001000"; WHEN 97 =>DIGIT<="0001000";</p><p> WHEN 98 =>DIGIT<="0001000"; WHEN 99 =>DIGIT<
54、;="0010000";</p><p> WHEN 100=>DIGIT<="0101000"; WHEN 101=>DIGIT<="0101000";</p><p> WHEN 102=>DIGIT<="0101000"; WHE
55、N 103=>DIGIT<="0011000";</p><p> WHEN 104=>DIGIT<="0010000"; WHEN 105=>DIGIT<="0010000";</p><p> WHEN 106=>DIGIT<="0011000&q
56、uot;; WHEN 107=>DIGIT<="0010000";</p><p> WHEN 108=>DIGIT<="0001000"; WHEN 109=>DIGIT<="0001000";</p><p> WHEN 110=>DIGIT&l
57、t;="0000110"; WHEN 111=>DIGIT<="0000101";</p><p> WHEN 112=>DIGIT<="0000011"; WHEN 113=>DIGIT<="0000011";</p><p> WH
58、EN 114=>DIGIT<="0000011"; WHEN 115=>DIGIT<="0000011";</p><p> WHEN 116=>DIGIT<="0001000"; WHEN 117=>DIGIT<="0001000";</p&
59、gt;<p> WHEN 118=>DIGIT<="0000110"; WHEN 119=>DIGIT<="0001000";</p><p> WHEN 120=>DIGIT<="0000110"; WHEN 121=>DIGIT<="000
60、0011";</p><p> WHEN 122=>DIGIT<="0000011"; WHEN 123=>DIGIT<="0010000";</p><p> WHEN 124=>DIGIT<="0000011"; WHEN 125=>D
61、IGIT<="0000101";</p><p> WHEN 126=>DIGIT<="0000110"; WHEN 127=>DIGIT<="0001000";</p><p> WHEN 128=>DIGIT<="0000101";
62、 WHEN 129=>DIGIT<="0000101";</p><p> WHEN 130=>DIGIT<="0000101"; WHEN 131=>DIGIT<="0000101";</p><p> WHEN 132=>DIGIT<="00
63、00101"; WHEN 133=>DIGIT<="0000101";</p><p> WHEN 134=>DIGIT<="0000101"; WHEN 135=>DIGIT<="0000101";</p><p> WHEN 136=>
64、DIGIT<="0000000"; WHEN 137=>DIGIT<="0000000";</p><p> WHEN 138=>DIGIT<="0000000"; WHEN 139=>DIGIT<="0000000";</p><p&
65、gt; WHEN OTHERS=>DIGIT<="0000000";</p><p><b> END CASE;</b></p><p> CASE DIGIT IS</p><p> WHEN "0000011"=>ORIGIN<="0100001001100
66、";</p><p> WHEN "0000101"=>ORIGIN<="0110000010001";</p><p> WHEN "0000110"=>ORIGIN<="0111000111110";</p><p> WHEN "0
67、000111"=>ORIGIN<="1000000101101";</p><p> WHEN "0001000"=>ORIGIN<="1000100010001";</p><p> WHEN "0010000"=>ORIGIN<="10010101
68、10010";</p><p> WHEN "0011000"=>ORIGIN<="1010000100101";</p><p> WHEN "0101000"=>ORIGIN<="1011000001000";</p><p> WHEN &q
69、uot;0110000"=>ORIGIN<="1011100011110";</p><p> WHEN "1000000"=>ORIGIN<="1100010001000";</p><p> WHEN OTHERS=>ORIGIN<="1111111111111&qu
70、ot;;</p><p><b> END CASE;</b></p><p> END PROCESS;</p><p><b> END SONG;</b></p><p><b> 警示燈總程序:</b></p><p> #includ
71、e <stdio.h> </p><p> #include <sys/unistd.h> </p><p> #include <io.h> </p><p> #include <string.h> </p><p> #include "system.h" &l
72、t;/p><p> #include "altera_avalon_pio_regs.h" </p><p> #include "alt_types.h" </p><p> #include "sys/alt_irq.h" </p><p><b> int num
73、;</b></p><p> static void Button_ISR_Init(void);</p><p> static void Button_Irq_Handler(void* context,alt_u32 id);</p><p> alt_u8 segtab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,
74、0x7d,0x07,0x7f,0x6f}; //0~9段碼</p><p> static void display(int num);</p><p><b> //按鍵初始化</b></p><p> static void Button_ISR_Init(void)</p><p><b> {
75、 </b></p><p> IOWR_ALTERA_AVALON_PIO_IRQ_MASK(KEY_BASE,0xff); //允許8個(gè)按鍵中斷</p><p> IOWR_ALTERA_AVALON_PIO_EDGE_CAP(KEY_BASE,0); //清除中斷標(biāo)志寄存器</p><p> alt_irq_register(KEY_IRQ
76、,NULL,Button_Irq_Handler); //注冊(cè)中斷 </p><p><b> }</b></p><p> static void display(int num)</p><p><b> {</b></p><p> IOWR_ALTERA_AVALON_PIO
77、_DATA(SEL_BASE,0); //數(shù)碼管位選</p><p> IOWR_ALTERA_AVALON_PIO_DATA(DAT_BASE,segtab[num]); //顯示倒計(jì)時(shí)</p><p> usleep(1000);</p><p><b> }</b></p><p> /*--------
78、---------------------------------------------------------- </p><p> ***********************按鍵中斷處理函數(shù)****************************</p><p> *-------------------------------------------------------
79、----------*/ </p><p> static void Button_Irq_Handler(void* context,alt_u32 id)</p><p><b> {</b></p><p><b> int i;</b></p><p> for(i=0;i<9
80、;i++)</p><p><b> { </b></p><p><b> num=9-i;</b></p><p> display(num); </p><p> IOWR_ALTERA_AVALON_PIO_DATA(A_BASE, 1);//蜂鳴器響起</p><
81、;p> IOWR_ALTERA_AVALON_PIO_DATA(LED1_BASE, 0);</p><p> IOWR_ALTERA_AVALON_PIO_DATA(LED2_BASE, 1);</p><p> usleep(500000);</p><p> IOWR_ALTERA_AVALON_PIO_DATA(LED2_BASE, 0);&l
82、t;/p><p> usleep(500000);</p><p><b> } </b></p><p> IOWR_ALTERA_AVALON_PIO_DATA(A_BASE, 0);//蜂鳴器關(guān)閉</p><p> IOWR_ALTERA_AVALON_PIO_EDGE_CAP(KEY_BASE,0); &
83、lt;/p><p><b> num=0;</b></p><p> display(num); </p><p><b> }</b></p><p> int main(void)</p><p><b> {</b></p>&
84、lt;p> printf("Begin!\n");</p><p> Button_ISR_Init(); //按鍵中斷初始化</p><p><b> while(1)</b></p><p><b> {</b></p><p> usleep(100000
85、);</p><p> IOWR_ALTERA_AVALON_PIO_DATA(LED1_BASE, 1);</p><p> IOWR_ALTERA_AVALON_PIO_DATA(LED2_BASE, 0);</p><p><b> num=0;</b></p><p> display(num); <
86、;/p><p><b> }</b></p><p><b> return 0;</b></p><p><b> }</b></p><p><b> 六、設(shè)計(jì)結(jié)果</b></p><p> 按鍵未按下時(shí),處于初始狀態(tài):L
87、ED1亮,LED2滅,數(shù)碼管顯示為0,蜂鳴器未啟動(dòng);按鍵按下之后,LED1滅,LED2閃爍,數(shù)碼管進(jìn)入9秒倒計(jì)時(shí)并且蜂鳴器響;9秒后恢復(fù)初始狀態(tài)。</p><p><b> 七、設(shè)計(jì)問(wèn)題</b></p><p> 設(shè)計(jì)中遇到了不少問(wèn)題:</p><p> 一開始因?yàn)檠舆t原因使得蜂鳴器音樂(lè)間斷,后來(lái)將延遲時(shí)間縮短后問(wèn)題解決;</p&g
88、t;<p> 然后在數(shù)碼管動(dòng)態(tài)顯示時(shí),也存在延時(shí)問(wèn)題,按下按鍵后數(shù)碼管在一秒后才進(jìn)入倒計(jì)時(shí),修改程序后問(wèn)題解決;</p><p><b> 八、心得感受</b></p><p> 通過(guò)本次設(shè)計(jì),我們更加熟悉C語(yǔ)言和SOPC,也在自己動(dòng)手設(shè)計(jì)中發(fā)現(xiàn)了平時(shí)所沒遇到的很多問(wèn)題,包括硬件和軟件方面的,有一部分是粗心,有一部分確實(shí)是不夠了解這門技術(shù);因此在設(shè)
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