基于PCF8591ADDA轉(zhuǎn)換基于nios的PCF8591控制器設(shè)計與實現(xiàn)

1、成績指導(dǎo)教師日期張歆奕2013-11-28 五 邑 大 學 實 驗 報 告實 驗 課 程 名 稱： SOPC技術(shù) 院系名稱： 信息工程學院 專業(yè)名稱： 電子信息工程 實驗名稱： 基于nios的PCF8591 控制器設(shè)計與實現(xiàn) 班級學號： 報告人 ： 實驗三 基于nios的PCF8591控制器設(shè)計與實現(xiàn) 1、 實驗緒論1、 基于nios的設(shè)計特點 利用SOPC Builder構(gòu)建微處理器系統(tǒng)，包括NiosII以及各種外設(shè)的添加和配置。利用IDE針對構(gòu)建的硬件系建項目，編寫應(yīng)用程序。利用HAL庫等，程序設(shè)計與底層硬件無關(guān)。Nios II系列軟核處理器是Altera的第二代FPGA嵌入式處理器，其性

2、能超過200DMIPS，在Altera FPGA中實現(xiàn)僅需35美分。Altera的Stratix 、Stratix GX、 Stratix II和 Cyclone系列FPGA全面支持Nios II處理器，以后推出的FPGA器件也將支持Nios II。用戶指令 開發(fā)人員可以在Nios CPU 核內(nèi)增加硬件，用以執(zhí)行復(fù)雜運算任務(wù)，為時序要求緊張的軟件提供加速算法。Altera的第二代32位軟核RISC微處理器，Nios II以及所有外設(shè)以HDL源代碼的方式提供，可用于所有的Altera FPGA使用Quartus II集成綜合工具進行綜合。2、 基于nios的PCF8591控制器的設(shè)計內(nèi)容和設(shè)計任

3、務(wù) （1）、設(shè)計任務(wù) 用VerilogHDL設(shè)計PCF8591控制器，帶AVALON_MM接口和I2C接口，可用C控制DA和AD工作，并可控制其速率；用SOPC Builder的組件編輯器把控制器加入為自定義組件；創(chuàng)建硬件工程和軟件工程，編寫C程序，采樣模擬輸入電壓（0-5V），AD后送到LCD屏顯示，并送到DA輸出；創(chuàng)建硬件工程和軟件工程，編寫C程序，把0-255的數(shù)據(jù)發(fā)送到DA輸出，觀測Aout。 （2）、設(shè)計內(nèi)容 PCF8591的復(fù)位狀態(tài) ，Address byte及其作用，Control byte及其作用，DAC的啟動及其時序，ADC的啟動及其時序，內(nèi)部振蕩器的設(shè)置與作用，ADC采樣頻

4、的控制，DAC速的控制。 2、 PCF8591的簡介 1、PCF8591的功能與特點 PCF8591的功能包括多路模擬輸入、內(nèi)置跟蹤保持、8-bit模數(shù)轉(zhuǎn)換和8-bit數(shù)模轉(zhuǎn)換。PCF8591的最大轉(zhuǎn)化速率由IC總線的最大速率決定。PCF8591是一個單片集成、單獨供電、低功耗、8-bit CMOS數(shù)據(jù)獲取器件。PCF8591具有4個模擬輸入、1個模擬輸出和1個串行IC總線接口。PCF8591的3個地址引腳A0, A1和A2可用于硬件地址編程，允許在同個IC總線上接入8個PCF8591器件，而無需額外的硬件。在PCF8591器件上輸入輸出的地址、控制和數(shù)據(jù)信號都是通過雙線雙向IC總線以串行的方

5、式進行傳輸。PCF8591的操作電壓范圍2.5V-6V，單獨供電。低待機電流 ，通過IC總線串行輸入/輸出 ，PCF8591通過3個硬件地址引腳尋址，PCF8591的采樣率由IC總線速率決定 ，4個模擬輸入可編程為單端型或差分輸入 ，能自動增量頻道選擇 PCF8591的模擬，電壓范圍從VSS到VDD ，PCF8591內(nèi)置跟蹤保持電路 ，PCF8591有8-bit逐次逼近A/D轉(zhuǎn)換器 。2、 PCF8591的內(nèi)部框圖接口 PCF8591內(nèi)部框圖接口 PCF8591引腳及接口圖 3、 PCF8591的時序要求 PCF8591的DA控制時序圖 PCF8591的AD控制時序圖 基于I2C的Bit傳輸

6、基于I2C的Start bit三、PCF8591控制器的HDL設(shè)計 1、控制器的HDL設(shè)計與說明根據(jù)PCF8591芯片介紹與ADDA原理圖連接，如圖所示： 控制器的HDL頂層設(shè)計圖 2、控制器的HDL設(shè)計波形仿真圖 控制器的HDL設(shè)計波形仿真圖4、 基于nios的ADDA系統(tǒng) 1、控制器設(shè)為自定義組件 根據(jù)原理圖及芯片的連接，將控制器設(shè)為自定義組件。 點擊tools-sopc builder,打開SOPC Builder；如圖;添加on-chip memory，指定為rom，data width為32，memory size為2K，其它采用默認值，如圖；在SOPC Builder中改名為on-

7、chip memory.添加on-chip memory，指定為ram，data width為32，memory size為1K，其它采用默認值，如圖；添加nios processor,選定niosII/s內(nèi)核，reset vector為on-chip memory；exception vector為on-chip memory；如圖；點擊next，指定instruction cache為2KB；點擊next三次，到圖5界面，指定JTAG Debug mode為level1；然后點擊finish，完成nios processor的添加。添加system ID內(nèi)核，采用全部默認值，如圖:回到QI

8、I，雙擊原理圖編輯器工作區(qū)，找到軟核的框圖，調(diào)入工作區(qū)，并與輸入輸出連接，如圖； 2、nios系統(tǒng)框圖 頂層設(shè)計圖 3、設(shè)計的C程序及說明 (1)、AD三通道實驗程序#include #include #define AddWr 0x90 /寫數(shù)據(jù)地址 #define AddRd 0x91 /讀數(shù)據(jù)地址code unsigned char table=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90;/表：共陽數(shù)碼管 0-9 unsigned char l_posit=0;/顯示位置extern bit ack;/引腳定義:sbit key1

9、= P37;/定義按鍵1sbit key2 = P36;/定義按鍵2sbit key3 = P35;/定義按鍵3sbit key4 = P34;/定義按鍵4sbit key5 = P33;/定義按鍵5sbit key6 = P32;/定義按鍵6sbit SMG_q = P10;/定義數(shù)碼管陽級控制腳（千位）sbit SMG_b = P11;/定義數(shù)碼管陽級控制腳（百位）sbit SMG_s = P12;/定義數(shù)碼管陽級控制腳（十位）sbit SMG_g = P13;/定義數(shù)碼管陽級控制腳（個位）/函數(shù)聲明:void display(unsigned int da);/定義顯示函數(shù)，參數(shù)為顯示內(nèi)

10、容void delay(unsigned int timer); unsigned char ReadADC(unsigned char Chl);/從ADC通道讀數(shù)據(jù)void main()unsigned char CHX=1;/作為通道選擇while(1)if(key1=0)/按鍵1按下，選擇通道0，即光敏電阻實驗CHX=0;if(key2=0)/按鍵2按下，選擇通道1，即熱感電阻實驗CHX=1;if(key3=0)/按鍵3按下，選擇通道2，板子未連接設(shè)備，可連接外圍設(shè)備CHX=2;if(key4=0)/按鍵4按下，選擇通道3，即電位器調(diào)節(jié)實驗CHX=3;/if(key5=0)/按鍵5按下

11、，/if(key6=0)/按鍵6按下，/display(unsigned int)ReadADC(CHX);/顯示變量內(nèi)容delay(100);void display(unsigned int da)P0=0XFF;/da=da%10000;switch(l_posit)case 0:/選擇千位數(shù)碼管，關(guān)閉其它位SMG_q=0;SMG_b=1;SMG_s=1;SMG_g=1;P0=tableda/1000;/輸出顯示內(nèi)容break;case 1:/選擇百位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=0;SMG_s=1;SMG_g=1;P0=tableda%1000/100;break;ca

12、se 2:/選擇十位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=1;SMG_s=0;SMG_g=1;P0=tableda%100/10;break;case 3:/選擇個位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=1;SMG_s=1;SMG_g=0;P0=tableda%10;break;l_posit+;/每調(diào)用一次將輪流顯示一位if(l_posit3)l_posit=0;void delay(unsigned int timer)while(timer-);unsigned char ReadADC(unsigned char Chl) unsigned char Val; IIC_

13、start(); /啟動總線 IIC_write(AddWr); /發(fā)送器件地址if(ack=0)return(0); IIC_write(0x40|Chl); /發(fā)送器件子地址if(ack=0)return(0); IIC_start(); IIC_write(AddRd); if(ack=0)return(0); Val=IIC_read(); IIC_ACK(1); /發(fā)送非應(yīng)位 IIC_stop(); /結(jié)束總線 return(Val);DA輸出程序 #include #include #define AddWr 0x90 /寫數(shù)據(jù)地址 #define AddRd 0x91 /讀數(shù)據(jù)地

14、址/變量定義:code unsigned char table=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90;/表：共陽數(shù)碼管 0-9 unsigned char l_posit=0;/顯示位置extern bit ack;/引腳定義:sbit key1 = P37;/定義按鍵1sbit key2 = P36;/定義按鍵2sbit key3 = P35;/定義按鍵3sbit key4 = P34;/定義按鍵4sbit key5 = P33;/定義按鍵5sbit key6 = P32;/定義按鍵6sbit SMG_q = P10;/定義數(shù)碼管

15、陽級控制腳（千位）sbit SMG_b = P11;/定義數(shù)碼管陽級控制腳（百位）sbit SMG_s = P12;/定義數(shù)碼管陽級控制腳（十位）sbit SMG_g = P13;/定義數(shù)碼管陽級控制腳（個位）/函數(shù)聲明:void display(unsigned int da);/定義顯示函數(shù)，參數(shù)為顯示內(nèi)容void delay(unsigned int timer); unsigned char ReadADC(unsigned char Chl);/從ADC通道讀數(shù)據(jù)bit WriteDAC(unsigned char dat);/往DAC通道寫數(shù)據(jù)轉(zhuǎn)換/主函數(shù)，C語言的入口函數(shù):voi

16、d main()unsigned char DAT=150;/數(shù)據(jù)輸出，LED燈亮度變化在150左右值為最佳效果while(1)if(key1=0)/按鍵1按下，數(shù)據(jù)加1，并輸出轉(zhuǎn)換DAT+;WriteDAC(DAT);while(key1=0);/等待按鈕釋放if(key2=0)/按鍵2按下，數(shù)據(jù)減1，并輸出轉(zhuǎn)換DAT-;WriteDAC(DAT);while(key2=0);/if(key3=0)/按鍵3按下，/if(key4=0)/按鍵4按下，/if(key5=0)/按鍵5按下，/if(key6=0)/按鍵6按下，/display(DAT);/顯示變量內(nèi)容delay(100);/顯示函數(shù)

17、，參數(shù)為顯示內(nèi)容void display(unsigned int da)P0=0XFF;/da=da%10000;switch(l_posit)case 0:/選擇千位數(shù)碼管，關(guān)閉其它位SMG_q=0;SMG_b=1;SMG_s=1;SMG_g=1;P0=tableda/1000;/輸出顯示內(nèi)容break;case 1:/選擇百位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=0;SMG_s=1;SMG_g=1;P0=tableda%1000/100;break;case 2:/選擇十位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=1;SMG_s=0;SMG_g=1;P0=tableda%10

18、0/10;break;case 3:/選擇個位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=1;SMG_s=1;SMG_g=0;P0=tableda%10;break;l_posit+;/每調(diào)用一次將輪流顯示一位if(l_posit3)l_posit=0;/延時子函數(shù),短暫延時void delay(unsigned int timer)while(timer-);/讀AD轉(zhuǎn)值程序 輸入?yún)?shù) Chl 表示需要轉(zhuǎn)換的通道，范圍從0-3 返回值范圍0-255unsigned char ReadADC(unsigned char Chl) unsigned char Val; IIC_start();

19、 /啟動總線 IIC_write(AddWr); /發(fā)送器件地址if(ack=0)return(0); IIC_write(0x40|Chl); /發(fā)送器件子地址if(ack=0)return(0); IIC_start(); IIC_write(AddRd); if(ack=0)return(0); Val=IIC_read(); IIC_ACK(1); /發(fā)送非應(yīng)位 IIC_stop(); /結(jié)束總線 return(Val);bit WriteDAC(unsigned char dat) IIC_start(); /啟動總線 IIC_write(AddWr); /發(fā)送器件地址if(ack=

20、0)return(0); IIC_write(0x40); /發(fā)送器件子地址 if(ack=0)return(0); IIC_write(dat); /發(fā)送數(shù)據(jù) if(ack=0)return(0); IIC_stop(); DA波形輸出 #include #include #define AddWr 0x90 /寫數(shù)據(jù)地址 #define AddRd 0x91 /讀數(shù)據(jù)地址/變量定義:code unsigned char table=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90;/表：共陽數(shù)碼管 0-9 unsigned char l_p

21、osit=0;/顯示位置extern bit ack;/引腳定義:sbit key1 = P37;/定義按鍵1sbit key2 = P36;/定義按鍵2sbit key3 = P35;/定義按鍵3sbit key4 = P34;/定義按鍵4sbit key5 = P33;/定義按鍵5sbit key6 = P32;/定義按鍵6sbit SMG_q = P10;/定義數(shù)碼管陽級控制腳（千位）sbit SMG_b = P11;/定義數(shù)碼管陽級控制腳（百位）sbit SMG_s = P12;/定義數(shù)碼管陽級控制腳（十位）sbit SMG_g = P13;/定義數(shù)碼管陽級控制腳（個位）/函數(shù)聲明:v

22、oid display(unsigned int da);/定義顯示函數(shù)，參數(shù)為顯示內(nèi)容void delay(unsigned int timer); unsigned char ReadADC(unsigned char Chl);/從ADC通道讀數(shù)據(jù)bit WriteDAC(unsigned char dat);/往DAC通道寫數(shù)據(jù)轉(zhuǎn)換/主函數(shù)，C語言的入口函數(shù):void main()unsigned char DAT=150;/數(shù)據(jù)輸出while(1)if(key1=0)/按鍵1按下，方波處理，LED燈保持一個亮度while(key6)/長按6鍵退出WriteDAC(0);delay(5

23、00);WriteDAC(250);delay(500);if(key2=0)/按鍵2按下，鋸齒波處理，LED燈從暗到亮變化while(key6)/長按6鍵退出for(DAT=0;DAT255;DAT+)WriteDAC(DAT);delay(500);if(key3=0)/按鍵3按下，三角波處理，LED燈從暗到亮再從亮到暗變化while(key6)/長按6鍵退出for(DAT=0;DAT0;DAT-)WriteDAC(DAT);delay(500);/if(key4=0)/按鍵4按下，/if(key5=0)/按鍵5按下，/if(key6=0)/按鍵6按下，/display(0);/數(shù)碼管顯示

24、0000表示退出狀態(tài)delay(100);/顯示函數(shù)，參數(shù)為顯示內(nèi)容void display(unsigned int da)P0=0XFF;/da=da%10000;switch(l_posit)case 0:/選擇千位數(shù)碼管，關(guān)閉其它位SMG_q=0;SMG_b=1;SMG_s=1;SMG_g=1;P0=tableda/1000;/輸出顯示內(nèi)容break;case 1:/選擇百位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=0;SMG_s=1;SMG_g=1;P0=tableda%1000/100;break;case 2:/選擇十位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=1;SMG

25、_s=0;SMG_g=1;P0=tableda%100/10;break;case 3:/選擇個位數(shù)碼管，關(guān)閉其它位SMG_q=1;SMG_b=1;SMG_s=1;SMG_g=0;P0=tableda%10;break;l_posit+;/每調(diào)用一次將輪流顯示一位if(l_posit3)l_posit=0;/延時子函數(shù),短暫延時void delay(unsigned int timer)while(timer-);/讀AD轉(zhuǎn)值程序 輸入?yún)?shù) Chl 表示需要轉(zhuǎn)換的通道，范圍從0-3 返回值范圍0-255unsigned char ReadADC(unsigned char Chl) unsig

26、ned char Val; IIC_start(); /啟動總線 IIC_write(AddWr); /發(fā)送器件地址if(ack=0)return(0); IIC_write(0x40|Chl); /發(fā)送器件子地址if(ack=0)return(0); IIC_start(); IIC_write(AddRd); if(ack=0)return(0); Val=IIC_read(); IIC_ACK(1); /發(fā)送非應(yīng)位 IIC_stop(); /結(jié)束總線 return(Val);/往DAC通道寫數(shù)據(jù)轉(zhuǎn)換bit WriteDAC(unsigned char dat) IIC_start();

27、/啟動總線 IIC_write(AddWr); /發(fā)送器件地址if(ack=0)return(0); IIC_write(0x40); /發(fā)送器件子地址 if(ack=0)return(0); IIC_write(dat); /發(fā)送數(shù)據(jù) if(ack=0)return(0); IIC_stop(); 4、 #include #include #define AddWr 0x90 /寫數(shù)據(jù)地址 #define AddRd 0x91 /讀數(shù)據(jù)地址/變量定義:extern bit ack;code unsigned char zx720=0x80,0x81,0x82,0x83,0x84,0x85,0

28、x86,0x87,0x88,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,0x90,0x91,0x92,0x94, 0x95,0x96,0x97,0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf,0xb0,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf,0xbf,0xc0,0xc1,0xc2,0xc3,0xc4,

29、0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xcd,0xce,0xcf,0xd0,0xd1,0xd2,0xd3,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd8,0xd9,0xda,0xdb,0xdc,0xdc,0xdd, 0xde,0xdf,0xdf,0xe0,0xe1,0xe2,0xe2,0xe3,0xe4,0xe4,0xe5,0xe6,0xe6,0xe7,0xe8,0xe8,0xe9,0xea,0xea,0xeb,0xeb,0xec,0xed,0xed,0xee,0xee,0xef,0xef,0xf0,0xf1,0xf1

30、,0xf2,0xf2,0xf3,0xf3,0xf4,0xf4,0xf4,0xf5,0xf5,0xf6,0xf6,0xf7,0xf7,0xf7,0xf8,0xf8,0xf9,0xf9,0xf9,0xfa,0xfa,0xfa,0xfb,0xfb,0xfb,0xfb,0xfc,0xfc,0xfc,0xfc,0xfd,0xfd,0xfd,0xfd,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff

31、,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfd,0xfd,0xfd,0xfd,0xfc,0xfc,0xfc,0xfc,0xfb,0xfb,0xfb,0xfb,0xfa,0xfa,0xfa,0xf9,0xf9,0xf9,0xf8,0xf8,0xf7,0xf7,0xf7,0xf6,0xf6,0xf5,0xf5,0xf4,0xf4,0xf4,0xf3,0xf3,0xf2,0xf2,0xf1,0xf1,0xf0,0xef,0xef,0xee,0xee,0xed,0xed,0xec,0xeb

32、,0xeb,0xea,0xea,0xe9,0xe8,0xe8,0xe7,0xe6,0xe6,0xe5,0xe4,0xe4,0xe3,0xe2,0xe2,0xe1,0xe0,0xdf,0xdf,0xde,0xdd,0xdc,0xdc,0xdb,0xda,0xd9,0xd8,0xd8,0xd7,0xd6,0xd5,0xd4,0xd3,0xd3,0xd2,0xd1,0xd0,0xcf,0xce,0xcd,0xcd,0xcc,0xcb,0xca,0xc9,0xc8,0xc7,0xc6,0xc5,0xc4,0xc3,0xc2,0xc1,0xc0,0xc0,0xbf,0xbe,0xbd,0xbc,0xbb

33、,0xba,0xb9,0xb8,0xb7,0xb6,0xb5,0xb4,0xb3,0xb2,0xb0,0xaf,0xae,0xad,0xac,0xab,0xaa,0xa9,0xa8,0xa7,0xa6,0xa5,0xa4,0xa3,0xa2,0xa1,0xa0,0x9e,0x9d,0x9c,0x9b,0x9a,0x99,0x98,0x97,0x96,0x95,0x94,0x92,0x91,0x90,0x8f,0x8e,0x8d,0x8c,0x8b,0x8a,0x88,0x87,0x86,0x85,0x84,0x83,0x82,0x81,0x80,0x7e,0x7d,0x7c,0x7b,0x7a

34、,0x79,0x78,0x77,0x75,0x74,0x73,0x72,0x71,0x70,0x6f,0x6e,0x6d,0x6b,0x6a,0x69,0x68,0x67,0x66,0x65,0x64,0x63,0x62,0x61,0x5f,0x5e,0x5d,0x5c,0x5b,0x5a,0x59,0x58,0x57,0x56,0x55,0x54,0x53,0x52,0x51,0x50,0x4f,0x4d,0x4c,0x4b,0x4a,0x49,0x48,0x47,0x46,0x45,0x44,0x43,0x42,0x41,0x40,0x40,0x3f,0x3e,0x3d,0x3c,0x3b

35、,0x3a,0x39,0x38,0x37,0x36,0x35,0x34,0x33,0x32,0x32,0x31,0x30,0x2f, 0x2e,0x2d,0x2c,0x2c,0x2b,0x2a,0x29,0x28,0x27,0x27,0x26,0x25,0x24,0x23,0x23,0x22,0x21,0x20,0x20,0x1f,0x1e,0x1d,0x1d,0x1c,0x1b,0x1b,0x1a,0x19,0x19,0x18,0x17,0x17,0x16,0x15,0x15,0x14,0x14,0x13,0x12,0x12,0x11,0x11,0x10,0x10,0xf,0xe,0xe,0

36、xd,0xd,0xc,0xc,0xb,0xb,0xb,0xa,0xa,0x9,0x9,0x8,0x8,0x8,0x7,0x7,0x6,0x6,0x6,0x5,0x5,0x5,0x4,0x4,0x4,0x4,0x3,0x3,0x3,0x3,0x2,0x2,0x2,0x2,0x1,0x1,0x1,0x1,0x1,0x1,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1,0x1,0x1,0x1,0x1,0x1,0

37、x2,0x2,0x2,0x2,0x3,0x3,0x3,0x3,0x4,0x4,0x4,0x4,0x5,0x5,0x5,0x6,0x6,0x6,0x7,0x7,0x8,0x8,0x8,0x9,0x9,0xa,0xa,0xb,0xb,0xb,0xc,0xc,0xd,0xd,0xe,0xe,0xf,0x10,0x10,0x11,0x11,0x12,0x12,0x13,0x14,0x14,0x15,0x15,0x16,0x17,0x17,0x18,0x19,0x19,0x1a,0x1b,0x1b,0x1c,0x1d,0x1d,0x1e,0x1f,0x20,0x20,0x21,0x22,0x23,0x2

38、3,0x24,0x25,0x26,0x27,0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x3f,0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4f,0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x6b,0x6d,0x6e,0x6f,0x70,0x71,0x72,0x73,0x74,0x75,0x77,0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e; unsigned char ReadADC(unsigned char Chl);/從ADC通道讀數(shù)據(jù)bit WriteDAC(u