基于單片機的微波爐控制系統(tǒng)

基于單片機的微波爐控制系統(tǒng)LGGROUPsystemofficeroom【LGA16H-LGYY-LGUA8Q8-LGA162】目設計方案項目負責人：曾光輝專業(yè)：電子信息工程所在學院：通信與電子學院指導教師：占華林2012年5月20日西科技師范大學教務處、做飯?zhí)嵝?、模擬定時加熱功能。主控部分是由單片機和獨立電機構成。實現(xiàn)了秒表和數(shù)字電子時鐘的功能。工作過程中有2.基于單片機的數(shù)字電子鐘系統(tǒng)硬件設計ATC51單片機通過編程去控制LCD1602實現(xiàn)的。通過2個開關控制來進行時間的調節(jié)以及秒表功能,(key1)口控制按鍵，當系統(tǒng)處于正常時，可以進入秒表功能和時間功能的切換，此鍵還可以作為時間和選中鍵，當系統(tǒng)處于時間顯示模式時，按此鍵可以選中相應的需LCD1602顯示電路模塊要調整的位。當系統(tǒng)處于時間顯示模式時，(key2)口控制按鍵，按此鍵對相應的選中LCDC時間3.秒表顯示以及啟動和暫停以及清零。LCD處于正常顯示時間模式下時按下key1模式，前3次按下key2的功能依次為啟動停止清零，每按3次key2為理圖，在AT89C51芯片內部有一個高增益反相放大器，其輸出端為引穩(wěn)定的自激振蕩電路，電路產生的振蕩脈沖經過觸發(fā)器進行十二分圖2-1時鐘電路原理圖圖,在單片機的實際應用系統(tǒng)中，除單片機本身需復位以外，外部IO需要一個復位，因此需要一個系統(tǒng)的同步復位信號，即單片機的條件是：必須使RST/VPD或RST引腳加上持續(xù)兩個機器周期(即24個振蕩周期)的高電平。電路為上電復位電路圖2-2復位電路原理圖LCD路原理圖塊電路原理圖,根據(jù)此電子時鐘功能要求，需要設置以下兩個功能鍵key，模式輔助鍵(key2)。按照鍵盤與CPU的連接方式可分為獨立鍵盤鍵盤是各個按鍵相互獨立，每個按鍵占用一個I/O口，外加上拉電IO鍵不會影響到其他I/O口的按鍵工作狀態(tài)。獨立式鍵盤電路配置靈。圖,鬧鈴模式時，設定好鬧鈴時間，鬧鈴時間有時和分，當設，一分鐘后報警聲停止，如果這一分鐘內有按鍵按下則報警圖,當系統(tǒng)設定好加熱的時長之后啟動加熱責電機轉動，剩余ATC環(huán)境KeilKeil細使用手冊，關于Keil的詳細說明文檔請瀏覽Keil個新工程文件名框中輸入工程名字，保存類型選擇.uv2,點擊添加文件或新建程序文件GroupSourceGroup文件夾，將文件名改為微波爐控制.c后保存到微波爐控制.c添加到當前工程里。完成的結果如下圖HEX件ProtuesATC現(xiàn)下面的對話框，找到HEX文件路徑選中文件之后點擊O點整和下午6點整，默認時間為12點整按下工作模式鍵(key1)后顯示要加熱的時間長短，可以通過模式輔助鍵(key2)來調分鐘通過按模式輔助鍵(key2)后調整為1分鐘加熱時間當前剩余的加熱時間，此時并未倒計時，也沒有啟動加熱熱，電機轉動，開始到計時，若在加熱過程中按下模式輔助將每一部分代碼與相關實現(xiàn)的硬件聯(lián)合到一起進行調試，對部分。這樣保證在綜合調試的時候，順利查找錯誤，找5.系統(tǒng)性能測試試圖**************************************************項目:描述:制系統(tǒng)============================================MHzSTCC核心外接lcd1602顯示和兩個獨立按鍵做飯時間設置(上午11點和下午6點，鬧鈴的響keykey歷以及鬧鈴設置進行調整以及秒表的啟動暫停以及清的模式下前6每次按下key2依次會選中(光標閃爍)pm_alarm_minutepmalarmhour,ammalarmminuteammalarmhourhourminute閃爍的時候每次按下kekey間的模式下，前60次按下key2加1,60次之微波爐加key的時間,再按下key2則啟動加熱作者:曾光輝*************************************************/edatabus#defineWDATA1#defineWCMD0P/lcd數(shù)據(jù)總線sWDATAsWCMDeKEYefinekeyshaketimeP/按鍵端口lcd，高data低cmdlcd讀低寫lcd降沿有效按下按下ededededednedflagflagflagchangeflag量和鍵盤消痘時間計時變量unsignedcharstart_t1;{unsignedunsignedunsignedunsignedunsignedunsignedunsignedcharam_alarm_hour;charam_alarm_minute;charpm_alarm_hour;charpm_alarm_minute;nsignedcharsetupcookingtimensignedcharcookingtimeminutensignedcharcookingtimesecond和鬧鐘以及秒表{***************************s時計數(shù)變量分秒=================i**************************/voiddelay_us(unsignedchari){while(--i);}***************************=================lcd602內的內容*****************************/unsignedcharreadlcd(void){unsignedcharreadvaluex0;valuedatabusrnreadvalue****************************=====================lcd數(shù)據(jù)或者指令***************************/voidwrite_lcd(unsignedcharvalue,bitdata_cmd){databusxff;//置為輸出rsdatacmd//數(shù)據(jù)指令選擇rw//寫使能}*********************************************====================MCU到有按鍵按下后TIMER1延時key_shake_time*10ms再次檢測是否按鍵還是取鍵值，判斷按鍵是否釋放，若釋放則對鍵值處理，返回的返回0********************************************/unsignedcharkeyscanvoid){harvaluehardokeygnedcharkeyscanstep識{keyvalue=0;{{}}iftkeyshaketimeKEYxx03)){valueKEYx03;eykey_scan_step=1;}}ifkeyscanstepKEYxx03)){keyscanstep=0;{casexvalue;break;casexvaluebreakcasexvaluebreakdefaultvalue0;break;}rnvalue}urn}*********************************====================系統(tǒng)的要求對返回的鍵值做處理********************************/eyprocessvoid{yvalue{aluechangeflag{imechangeflag{{0;}write_lcd(0xCE,WCMD);write_lcd10+'0',WDATA);write_lcd(0xCF,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xCF,WCMD);write_lcd(0x0F,WCMD);}eflag{{0;}write_lcd(0xCB,WCMD);write_lcd10+'0',WDATA);write_lcd(0xCC,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xCC,WCMD);write_lcd(0x0F,WCMD);}geflag{{0;}write_lcd(0xC6,WCMD);write_lcd10+'0',WDATA);write_lcd(0xC7,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xC7,WCMD);write_lcd(0x0F,WCMD);}flag{{0;}write_lcd(0xC3,WCMD);write_lcd10+'0',WDATA);write_lcd(0xC4,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xC4,WCMD);write_lcd(0x0F,WCMD);}geflag{{0;}write_lcd(0x85,WCMD);write_lcd10+'0',WDATA);write_lcd(0x86,WCMD);write_lcd%10+'0',WDATA);write_lcd(0x86,WCMD);write_lcd(0x0F,WCMD);}eflag{{0;}write_lcd(0x88,WCMD);write_lcd10+'0',WDATA);write_lcd(0x89,WCMD);write_lcd%10+'0',WDATA);write_lcd(0x89,WCMD);write_lcd(0x0F,WCMD);}}eflag{lflag{}{0;model_flag=0;echangeflagwritelcd(0x01,WCMD);//清屏}}}{alue{TR=0;echangeflagimechangeflag{write_lcd(0xCF,WCMD);write_lcd(0x0F,WCMD);}eflag{write_lcd(0xCC,WCMD);write_lcd(0x0F,WCMD);}geflag{write_lcd(0xC7,WCMD);write_lcd(0x0F,WCMD);}lag{write_lcd(0xC4,WCMD);write_lcd(0x0F,WCMD);}geflag{write_lcd(0x86,WCMD);write_lcd(0x0F,WCMD);}eflag{write_lcd(0x89,WCMD);write_lcd(0x0F,WCMD);}flag{TR0=1;write_lcd(0x0C,WCMD);echangeflag}}delflag{echangeflag{0;}write_lcd(0xC7,WCMD);write_lcd%100/10+'0',WDATA);write_lcd(0xC8,WCMD);write_lcd%10+'0',WDATA);}{echangeflag++start_flag;ag{motor=0;}{motor=1;0;0;0;}{motor=1;}}}**********************************==========================TIMER到的系統(tǒng)時鐘進行處理*********************************/dupdatetimevoid{{{{{}{write_lcd(0x85,WCMD);write_lcd10+'0',WDATA);write_lcd(0x86,WCMD);write_lcd%10+'0',WDATA);}}{write_lcd(0x88,WCMD);write_lcd10+'0',WDATA);write_lcd(0x89,WCMD);write_lcd%10+'0',WDATA);}}{write_lcd(0x8B,WCMD);write_lcd10+'0',WDATA);write_lcd(0x8C,WCMD);write_lcd%10+'0',WDATA);}}}*******************************========================TIMER到的秒表計數(shù)進行處理******************************/updatestopwatchvoid{/*if(model_flag==1){write_lcd(0xC7,WCMD);write_lcd%100/10+'0',WDATA);write_lcd(0xC8,WCMD);write_lcd%10+'0',WDATA);ifstarttstartflagmodelflag2&&!=0){motor=0;;{;{write_lcd(0xC6,WCMD);write_lcd%100/10+'0',WDATA);write_lcd(0xC7,WCMD);write_lcd%10+'0',WDATA);}}f{0;motor=1;}{write_lcd(0xC9,WCMD);write_lcd10+'0',WDATA);write_lcd(0xCA,WCMD);write_lcd%10+'0',WDATA);}}}*********************************===================間顯示和秒表顯示之間進行切換********************************/shiftdisplayvoid{ifmodelflagtimechangeflagshiftflag0){hiftflag{writelcd(0x01,WCMD);//清屏write_lcd(0x8B,WCMD);write_lcd10+'0',WDATA);write_lcd(0x8B,WCMD);write_lcd10+'0',WDATA);write_lcd(0x8C,WCMD);write_lcd%10+'0',WDATA);write_lcd(0x8A,WCMD);write_lcd(':',WDATA);write_lcd(0x88,WCMD);write_lcd10+'0',WDATA);write_lcd(0x89,WCMD);write_lcd%10+'0',WDATA);write_lcd(0x87,WCMD);write_lcd(':',WDATA);write_lcd(0x85,WCMD);write_lcd10+'0',WDATA);write_lcd(0x86,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xCF,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xCE,WCMD);write_lcd10+'0',WDATA);write_lcd(0xCD,WCMD);write_lcd(':',WDATA);write_lcd(0xCC,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xCB,WCMD);write_lcd10+'0',WDATA);write_lcd(0xC9,WCMD);write_lcd('&',WDATA);write_lcd(0xC7,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xC6,WCMD);write_lcd+'0',WDATA);write_lcd(0xC5,WCMD);write_lcd(':',WDATA);write_lcd(0xC4,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xC3,WCMD);write_lcd10+'0',WDATA);write_lcd(0xC1,WCMD);write_lcd('T',WDATA);write_lcd(0xC0,WCMD);write_lcd('C',WDATA);}ifmodelflagshiftflag){{writelcd(0x01,WCMD);//清屏write_lcd(0x8C,WCMD);write_lcd('P',WDATA);write_lcd(0x8C,WCMD);write_lcd('P',WDATA);write_lcd(0x8B,WCMD);write_lcd('U',WDATA);write_lcd(0x8A,WCMD);write_lcd('T',WDATA);write_lcd(0x89,WCMD);write_lcd('E',WDATA);write_lcd(0x88,WCMD);write_lcd('S',WDATA);write_lcd(0x86,WCMD);write_lcd('E',WDATA);write_lcd(0x85,WCMD);write_lcd('M',WDATA);write_lcd(0x84,WCMD);write_lcd('I',WDATA);write_lcd(0x83,WCMD);write_lcd('T',WDATA);write_lcd(0xC7,WCMD);write_lcd%100/10+'0',WDATA);write_lcd(0xC8,WCMD);write_lcd%10+'0',WDATA);}odelflagshiftflag{{writelcd(0x01,WCMD);//清屏write_lcd(0x8D,WCMD);write_lcd('N',WDATA);write_lcd(0x8D,WCMD);write_lcd('N',WDATA);write_lcd(0x8C,WCMD);write_lcd('I',WDATA);write_lcd(0x8B,WCMD);write_lcd('A',WDATA);write_lcd(0x8A,WCMD);write_lcd('M',WDATA);write_lcd(0x89,WCMD);write_lcd('E',WDATA);write_lcd(0x88,WCMD);write_lcd('R',WDATA);write_lcd(0x86,WCMD);write_lcd('E',WDATA);write_lcd(0x85,WCMD);write_lcd('M',WDATA);write_lcd(0x84,WCMD);write_lcd('I',WDATA);write_lcd(0x83,WCMD);write_lcd('T',WDATA);write_lcd(0xC6,WCMD);write_lcd10+'0',WDATA);write_lcd(0xC7,WCMD);write_lcd%10+'0',WDATA);write_lcd(0xC8,WCMD);write_lcd(':',WDATA);write_lcd(0xC9,WCMD);write_lcd10+'0',WDATA);write_lcd(0xCA,WCMD);write_lcd%10+'0',WDATA);}