《嵌入式系統與接口技術實驗》綜合設計報告班級13物聯網姓名黃梓恩學號指導教師沈蘭

rRTCCON=0x0；〃RTCrRTCCON=0x0；〃RTC讀寫嚴禁，選擇BCD時鐘、計數器，無復}voidBUZZER_PWM_Test(void)(//U16freq;//Uart_Printf(*'\nKEYCONTROLBUZZER\nM);/ZUart_Printf("Press'ESC*keytoExitthisprogram!\n\nM);whi1e(1)(?U8key=Uart_Getch()；〃通過異步串行通道Uart輸入按鍵值??switch(key)(Oddgcase*11：Buzzer_Freq_Set(200);rGPFDAT=rGPFDAT&-(1<<4)；De1ay(800);rGPFDAT=rGPFDAT|(1?4);Buzzer_Stop();break;。case'2':Buzzer_Freq_Set(300)；rGPFDAT=rGPFDAT&?(l?5);De1ay(800);rGPFDAT=rGPFDAT|(1?5)；Buzzer_Stop();break;gcase'3*:Buzzer_Freq_Set(500);rGPFDAT=rGPFDAT&-(l?6);Delay(800);rGPFDAT=rGPFDATI(1?6)；Buzzer_Stop();break;ocase'4z:Buzzer_Freq_Set(800);rGPFDAT=rGPFDAT&41?7);Delay(800)；rGPFDAT=rGPFDAT|(1<<7);Buzzer_Stop();break;皿case*5:Buzzer_Freq_Set(100());rGPFDAT=rGPFDAT&?(1?4);DeIay(800)；rGPFDAT=rGPFDAT|(1<<4);Buzzer_Stop();break;gcase^'iBuzzer_Freq_Set(1200);rGPFDAT=rGPFDAT&-(1?5);Delay(800)；rGPFDAT=rGPFDAT|(1<<5);Buzzer_Stop();break；。case,7,：Buzzer_Freq_Set(1400);rGPFDAT=rGPFDAT&-(1?6)；De1ay(200);rGPFDAT=rGPFD?\T|(1?6)；Buzzer_Stop();break；°}//Buzzer_Freq_Set(freq);//Uart.Printf('MFreq=%d\nM,freq);//通過異步串行通道Uart輸出頻率?if(key==ESC_KEY)o{。Buzzer_Stop();//停止蜂鳴器4//{break;}V/Uart_Printf(M\nChoiceagain\n”)；??return；。}))voidBuzzer_Freq_Set(U32freq)(rGPBCON=rGPBCON&^(3<<0)|(l<<1)；//setGPB0astout0,pwmoutputrTCFG0=rTCFGO&?0xff|15;//presealer=151/8rTCFG1=rTCFGI&?OxfI2;//dividerorTCNTBO=(PCLK?7)/freq;//rTCNTB0=PCLK/{(presealer+1)*divider*freq}1/8rTCMPBO=rTCNTB0>>1;。〃占空比50%d//disabledeadzone,auto-reload,inv-off,updateTCNTB0&TCMPBO,starttimer0?rTCON=rTCON&-0xlf|(0?4)|(1?3)I(0?2)I(1<<1)|(1);rTCON&=~(1?1);。//clearmanua1updatebit)voidBuzzer_Stop(void)(rGPBCON1=1;?rGPBCON=rGPBCON&-3|l；/setGPBOasoutputrGPBDAT&=?1；//output0)/***********外部中斷初始化************/voidEint_Init(void)(〃設立GPE11為輸出0rGPECON=(rGPECON|(3?22))&?(2vv22)；”GPEUP|=(1?H)；?rGPEDAT&=?(Ivvll);rGPFCON=rGPFCON&?(3)|(IvVl)；//GPFO設立為EINTOrGPFCON=rGPFCON(3?4)|(1?5);?〃GPF2設立為EINT2rGPGCON=rGPGCON&-(3?6)|(1?7)瀘//GPG3設立為EINT1rGPGCON=rGPGCON&-(3?22)|(1?23);//GPGU設立為EINT19rGPFUP|=(l?0);//disableGPFOpulluprGPFUP|=(1?2);//disab1eGPF2pul1uprGPGUP|=(l?3);//disableGPG3pu11uparGPGUP|=(1<<11);//disab1eGPG11pulluprEXTINTO=(rEXTINTO&?(7?0))|(2?0)；//EINTO->fa11ingedgetriggered^rEXTINTO=(rEXTINTO&7<<8))|(2?8);//EINT2->fa11ingedgetriggeredrEXTlNT1=(rEXTINTI&-(7?12))|(0x2<<12);//EINTU->fallingedgetriggereddrEXTINT2=(rEXTINT2&-(7?12))|(0x2?12)；//EINT19->fal1ingedgetriggered9pISR_EINTO=(unsigned)EintO_ISR；pISR_EINT2=(unsigned)Eint2」SR；plSR_EINT8_23=(unsigned)Eintll_19_ISR;

/***********/***********開外部中斷/***********開外部中斷************/***********開外部中斷************/{rElNTPEND=Oxffffff;//toclearthepreviouspendingstatesrSRCPND|=BIT_EINTO|BIT_EINT2|BIT_EINT8_23;rlNTPND|=BIT_EINTO|BIT_EINT2|BIT_EINT8_23;rEINTMASK=~((1?11)|(1?19));//rINTMSK=-(BIT_EINTO|BIT_EINT2|BIT_EINT8_23);EnableIrq(BIT.EINTO);EnableIrq(BIT.EINT2);Enablelrq(BIT_EINT8_23);)/***********外部中斷服務程序************/voidirqEintO_ISR(void)卜ClearPending(BIT_EINTO);Buzzer_Freq_Set(300);//修改PMW頻率De1ay(800);Buzzer_Stop();?Uart_Printf(MFreq=300\n")；"通過異步串行通道Uart輸出頻率)void_irqEint2_ISR(void)ClearPending(BIT_EINT2);Buzzer_Freq_Set(500);//修改PMVV頻率De1ay(800);Buzzer_Stop();Uart_Printf("Freq=500\nn)；〃通過異步串行通道Uart輸出頻率}void—irqEint11_19_ISR(void)(if(rElNTPEND&(1?11))(。Buzzer_Freq_Set(800);〃修改PMW頻率dDelay(800)；Buzzer_Stop();?Uart_Printf("Freq=800\nM);〃通過異步串行通道Uart輸出頻率rEINTPEND=(lvvll);〃清除子登記，方便下次中斷,方法比較特別，在相應為寫1將它清為0ClearPending(BIT_EINT8_23);}elseif(rEINTPEND&(1<<19)){Buzzer_Freq_Set(1000);//修改PMW頻率。Delay(800)；Buzzer_Stop();oUart_Printf("Freq=1000\iT);〃通過異步串行通道Uart輸出頻率，rEINTPEND=(1<<19);ClearPending(BIT_EINT8_23);e1seUart_Printf("othersENTsareoccrEINTPEND=0xfHTff;ClearPending(BIT_EINT8_23);【實現過程及結果】開始菜單，選擇1,為鍵盤電子琴，不同按鍵會有不同的燈亮起NowdownloadFilefromuartODownloadFileSize=20350Areyousuretorun?[y/n]deuice_id(0x52)=0xbF,deuice_uersion(OxFx)=0xbFthereisnoW83977deuice!**********hello**********1.PlanowhitLED2.Piano2ESCbacktonenu按ESC鍵返回選擇菜單，若按了錯誤按鍵，系統提醒錯誤,選擇2為開發板按鍵電子琴，會顯示你所按按鍵的頻率Liiere工、nuv/coy//ueuxuei???????**?HELLO**********1.PlanowhitLED2.Piano21.2.3ESCbacktonenuError?pleasetryagainESCbacktomenuESCbacktomenuESCbacktonenuESCbacktonenuFreq=300Freq-3fl0Freq=8O0Freq=800Freq-1000Freq=1O00Freq=1000Freq?1000Freq=1000Freq=1080Freq=1000Freq-1000【設計總結】【參考文獻】1、2、3、【綜合應用實驗目的】【綜合應用實驗題目】運用GEC2410實驗板，設計并實現一個綜合應用系統【綜合應用實驗規定】要用到己學過的所有GEC2410模塊，涉及：GPIO端口控制:LED燈模塊中斷控制:按鍵外部中斷，內部中斷(TimerorTicktime)UART串口:鍵盤輸入，顯示器輸出PWM定期器:定期中斷,tout。輸出驅動蜂鳴器?蜂鳴器：?實時時鐘：當前時間,鬧鐘，節拍中斷?看門狗定期器:WTD中斷,Reset【相關理論知識】【實現方案】主函數#include,,2410addr.hM#inc1udeM24101ib.h"#include"def.h"externvoidwatchdog_test(void);externvoid_irqwatchdog_int(void);externvoid_irqTick_Isr(void);externvoidOpenRtc(void);externvoidBUZZER_PWM_Test(void)；externvoidEint_Init(void);externvoidEnab1e_Eint(void);externvoidwatchdog_test(void)；externcharintMain(void){chara,b,c;ChangeC1ockDivider(1,1)；ChangeMPIIVa1ue(0xa1,0x3,Ox1);Port_Init();Uart_Select(O);Uart_Init(0,115200);Eint_Init();//外部中斷初始化OpenRtc();"打開實時時鐘節拍中斷watchdog_test()；Uart_Printf(”**********HELLO**********\n")；。Uart.Printf(Ml.PlanowhitLED\n");Uart_Printf('2Piano2\nM);Disab1elrq(BIT_WDT);DisableIrq(BIT_EINT0)；isab1elrq(BIT_EINT2);。Disab1elrq(BIT_EINT8_23);〃關這4個中斷，為了在鍵盤沒按T或'3,之前拒絕產生這4種中斷?Uart_Printf(M\nl.2.3\nw)；。〃1是鍵盤電子琴,2是開發板按鍵電子琴，3跑馬燈6?while(l)a=Uart_Getch()；Delay(300);gif(a=='r)?Vart_Printf('*ESCbacktomenu\iiM);o^BUZZER_PWM_Test();°}0aif(a=='2，)。(??Uart_Printf("ESCbacktomenu\nM);gEnabIe_Eint();(9b=Uart_Getch();Delay(300)；。?if(b==ESC_KEV)break)Oddo)0?e1seUart_Printf(uError!pleasetryagainu);#inc1ude”2410addr.h'?#inc1ude"2410lib.h”#include?'def.h"〃使用KI按鍵觸發EINTO,EINT0->GPFO〃使用K3按鍵觸發EINT2,EINT2->GPF2//使用K5按鍵觸發EINT11,EINT11->GPG3//使用K7按鍵觸發EINT19,EINT19->GPG11//KSCANO->GPE11intk=l;chart;char*week[8]={“SUN“JMON“，“TUES"，"WED"，"THURS”JFRI“，“SAT”}；intyeai;nionth,date,weekday,hour,min,sec；voidirqwatchdog_int(void);voidirqTick_Isr(void);voidGet_Rtc(void);voidBuzzer_Freq_Set(U32freq);voidBuzzer_St0p(void);void_irqEint0_ISR(void)；voidirqEint2_ISR(void);void_irqEintll_19_ISR(void);voidwatchdog_test(void)(//initializeinterruptregisters允許WatchDog中斷C1earPending(BIT_VVDT);//往中斷向量表填WatchDog中斷向量pISR_VVDT=(unsigned)watchdog_int；//Presealervalue=100>clockdivisionfactor=128//t_watchdog=l/[PCLK/(PrescalervaIue+1)/Division_factorj=0.00025856//disab1ewatchdogrWTCON=((l00?8)|(3?3));//看門狗時鐘周期T=WTCNT*t_watchdog=4S〃看門狗喂狗rWTDAT=15000；rVVTCNT=15000;rVVTCON|=((1?5)|(1<<2));//enableWatchdogtimerangwatchdoginterrupt〃開中斷Enab1eIrq(BIT_WDT);/****watchdog_int****/void_irqwatchdog_int(void){〃清除中斷?rGPFDAT=rGPFDAT&-(l?7)；De1ay(2023)；rGPFDAT=rGPFDAT|(1?7)；rGPFDAT=rGPFDAT&-(1<<6);Delay(2023);rGPFDAT=rG