《单片机原理及实用技术》课件第6章.ppt

BSR_InitRecognizer(BSR_MIC); //识别器初始化BSR_EnableCPUIndicator();PlayRespond(RSP_STAR); //播放开始识别的提示音while(1){random_no++;if(random_no=3)random_no=0;res=BSR_GetResult();if(res0) //识别出命令{if(gActivated){timeCnt=0;switch(res){caseNAME_ID:PlayRespond(gTriggerRespond[random_no]);break;caseCOMMAND_ONE_ID:PlayFlag=1;PlayRespond2(RSP_GUNSHOT);PlayFlag=0;gActivated=0;break;caseCOMMAND_TWO_ID:PlayRespond(gComm2Respond[random_no]);gActivated=0;}}else{if(res==NAME_ID){PlayRespond(gTriggerRespond[random_no]);gActivated=1;timeCnt=0;}}}elseif(gActivated){if(++timeCnt450) //超出时限{PlayRespond(RSP_NOVOICE); //在设定时间内没有检测出声音gActivated=0;timeCnt=0;}}}}中断服务程序：.PUBLIC_FIQ.EXTERNAL_BSR_FIQ_Routine.EXTERNAL__gIsStopRecog //变量值为0识别器忙，为1识别器停止.PUBLIC_BREAK,_IRQ0,_IRQ1,_IRQ2,_IRQ3,_IRQ4,_IRQ5,_IRQ6,_IRQ7.EXTERNAL_PlayFlag.INCLUDEs480.inc.INCLUDEA2000.inc.INCLUDEresource.inc.INCLUDEhardware.inc.TEXT_FIQ: PUSHR1,R4TO[SP] R1=[P_INT_Ctrl] R1=0x2000 JZ?notTimerA //当不为TIQ_TMA时则转 R1=[__gIsStopRecog] JNZ?BSR_NotBusy //若录音停止则转至放音处理 CALL_BSR_FIQ_Routine //调用识别子程序 JMP?BSR_Busy //返回中断?BSR_NotBusy: //放音处理 R2=[_PlayFlag] JNZ?Play2000 //播放标志为1则是播放SACM2000 CALLF_FIQ_Service_SACM_S480//播放标志为0播放SACM480 JMP?BSR_Busy //返回中断?Play2000: //SACM2000播放子程序 CALLF_FIQ_Service_SACM_A2000?BSR_Busy: //中断返回 R1=0x2000 [P_INT_Clear]=R1 POPR1,R4FROM[SP] RETI?notTimerA: R1=0x8800 [P_INT_Clear]=R1 POPR1,R4FROM[SP] RETI .END表6.4API函数使用寄存器一览表**********系统子程序System.asm****************.PUBLIC_System_Initial.PUBLICF_System_Initial_System_Initial:.PROCF_System_Initial:CALLF_Key_Scan_Initial //键盘扫描 //可以添加一些语音类型子程序或初始化内容RETF.ENDP.PUBLIC_System_ServiceLoop.PUBLICF_System_ServiceLoop_System_ServiceLoop:.PROCF_System