基于LPC2136的车载油量监控系统

深圳大学专升本毕业论文基于LPC2136的车载油量监控系统深 圳 大 学本 科 毕 业 论 文（设计）题目: 基于LPC2136的车载油量监控系统 姓名: tlx 专业: 软件工程 学院: 成教学院 学号: 指导教师: 朱映映 职称： 副教授 2011年 11 月 24 日深圳大学本科毕业论文（设计）诚信声明本人郑重声明：所呈交的毕业论文（设计），题目基于LPC2136的车载油量监控系统是本人在指导教师的指导下，独立进行研究工作所取得的成果。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式注明。除此之外，本论文不包含任何其他个人或集体已经发表或撰写过的作品成果。本人完全意识到本声明的法律结果。 毕业论文（设计）作者签名：tlx 日期： 2011 年 11 月 24 日目录1.引言41.1研究背景及意义41.2本课题主要工作42. uCOSII介绍53.硬件设计63.1 总体设计框架63.2 ISPFLASH在线程序下载63.3断油断电电路73.4主控电路84软件设计84.1油量检测84.2偷油报警134.3加油提示154.4通话监听164.5断电报警185.开发环境215.1硬件开发环境215.2软件开发环境225.3最终产品图226.结束语23参考文献23致谢23基于LPC2136的车载油量监控系统唐良兴学号: 【摘要】 基于嵌入式实时操作系统的车载油量监控系统，它集机械、电子检测技术、智能控制和无线通信于一体，结合服务器后台软件平台，是一个综合的车载油量监控系统。本文以LPC2136芯片的ARM7处理器为控制核心，扩展了应用任务，移植了嵌入式实时操作系统uCOSII，设计了一个车载油量监控终端系统。 【关键词】ARM7; uCOSII;无线通信；1.引言1.1研究背景及意义车载油量监控终端具有体积小巧、安装方便、稳定可靠、性价比高、功耗低等优点，可外接紧急求救按键、断油触发开关、监听麦克风、通话手柄、警示灯，特别适合物流业、长途客运、载重汽车等行业应用。1.2本课题主要工作A,ARM Core工控级芯片LPC2136，内嵌uCOSII 操作系统，确保系统稳定高效运行。B,程运行，多任务管理，系统响应及时。C,最新的双频无线通讯模块（SIM900A）。D,高精度油量传感器，检测油量精确（静止状态误差=1%,车辆行驶稳定状态终端：#,RCOV （短信内容）终端-手机：The Currently Oil Value is 88（L）说明：是密码，RCOV是编码（区分大小写）；手机读取油量流程：void TASK_OIL_DO(void * lpParam) uint16 OilSamVal; uint16 OIL_3MIN_REC6; uint16 OIL_3MIN_AVG = 0x00; uint16 OIL_AD_Diff,OIL_L_Diff,OIL_AD_TEMP; uint16 Oil_High = 0; uint16 OIL_L = 0; / oil value uint16 OIL_AD = 0; / sample value uint8 Oil_Shape; uint8 Low,High,Middle; uint8 OIL_CNT; uint8 OIL_3MIN_CNT = 0; uint8 i;/拷贝油量校准参数 memset(Tp.Buffer, 0, sizeof(Tp.Buffer); memset(OIL_3MIN_REC, 0, sizeof(OIL_3MIN_REC); Oil_Shape = g_stSystemConfig.OilBoxShape; / OIL_CNT = g_stSystemConfig.ScalingPoints; memcpy(Tp.Buf16B, g_stSystemConfig.OilScalingBuf, OIL_CNT * 4); while (TRUE) /找到靠近的采样点 if (!ExtOilScallingFlag) DEBUG_PRINT(LOG_LEVEL_INFO, !SamMod!rn); OIL_AD = OIL_GetAdValue(); OIL_L = OIL_AD; DEBUG_PRINT(LOG_LEVEL_INFO, OilBoxShape:%d, ScallingPoint:%d,OIL_AD:%d, g_stSystemConfig.OilDescTh:%d ,Oil_Shape, OIL_CNT, OIL_AD, g_stSystemConfig.OilDescTh); if(Oil_Shape=0) if(OIL_AD=Tp.Buf16BOIL_CNT*2-1)/ sample value more than the last scaling point value OIL_L=Tp.Buf16BOIL_CNT*2-2; / max oil value else if(OIL_CNT) / middle value Low=1; High=OIL_CNT-1; i=0; while(Low=High) Middle=(Low+High)/2; if(OIL_AD15) break; OIL_AD_Diff=Tp.Buf16BLow*2+1-Tp.Buf16BLow*2-1; OIL_L_Diff=Tp.Buf16BLow*2-Tp.Buf16BLow*2-2; OIL_AD_TEMP=OIL_AD-Tp.Buf16BLow*2-1; OIL_L=Tp.Buf16BLow*2-2+OIL_L_Diff*OIL_AD_TEMP/OIL_AD_Diff; else / err OIL_L=999; /做平均值运算 OIL_3MIN_RECOIL_3MIN_CNT=OIL_L; OIL_3MIN_CNT+; OIL_3MIN_AVG=OIL_3MIN_REC0+OIL_3MIN_REC1+OIL_3MIN_REC2+OIL_3MIN_REC3+OIL_3MIN_REC4+OIL_3MIN_REC5; OIL_3MIN_AVG/=OIL_3MIN_CNT; OIL_3MIN_AVG = EndianLittleToBig_short(OIL_3MIN_AVG); / if(OIL_3MIN_CNT=6) memset(OIL_3MIN_REC, 0, sizeof(OIL_3MIN_REC); OIL_REC_FLAG = 0; OIL_CNT_G = 0; OIL_3MIN_CNT=0; UpGPSOil.UpOil = OIL_3MIN_AVG; / update UpGPSOil.UpOil |= (uint16 )BIT6;/3分钟上传一次油量数据 if (!OIL_REC_FLAG) OIL_REC_FLAG = 1; UpGPSOil.UpOil |= (uint16 )BIT7; / 3min flag H L bytes revise DBG_Print(LOG_LEVEL_WARN, _3Min_frn); _3MinOilStatus(); DEBUG_PRINT(LOG_LEVEL_INFO, !Uploading Oil:0x%x,EndianLittleToBig_short(UpGPSOil.UpOil); OIL_3MIN_AVG = EndianLittleToBig_short(OIL_3MIN_AVG); / TimeDlyms(30000); / 30 sec else /做采样标定 if ( (GPRSConnectStatus() = CONN_OK) & (SIM_GetSignal() 9) memset(uint8* )&NowUpOilInfo, 0, sizeof(NowUpOilInfo); /OilSamVal = (uint16 )ADC4Read(4); OilSamVal = OIL_GetAdValue(); NowUpOilInfo.Oil = EndianLittleToBig_short(OilSamVal); NowUpOilInfo.Year = SysTime0; NowUpOilInfo.Month = SysTime1; NowUpOilInfo.Day = SysTime2; NowUpOilInfo.Hour = SysTime3; NowUpOilInfo.Min = SysTime4; NowUpOilInfo.Other1 = SysTime5; SendToPlatform(TERMINAL_SCA_OIL_END_ACK_CMD, SCAL_DATA_LEN, (uint8 *)&NowUpOilInfo); DBG_Print(LOG_LEVEL_INFO, rn!ScaMod!); TimeDlyms(2000); 4.2偷油报警当检测到有偷油报警警情时，终端会立即以短信（The license plate number:YB12345,status:Warning!Warning!,Oil Alarm!,Please check!）形式发出报警信息到设定的手机号码，会发送两次，当检测到有持续在偷油时，会继续发送报警短信。报警流程：/当前油量值与上一次油量值比较，差值如果大于设定的报警值范围判断发生偷油if (OIL_3MIN_AVG - OIL_L) & (OIL_3MIN_AVG - OIL_L g_stSystemConfig.OilDescTh)if(g_ulBootSecTime 180) DEBUG_PRINT(LOG_LEVEL_INFO, Alarm desc oil. last oil = %dL, Cur Oil = %dLrn,OIL_3MIN_AVG, OIL_L);_smsContentSend = (char *) OSMemGetEx(ptrSmallMEM,200);snprintf(_smsContentSend,200,The license plate number:%s,status:Warning!Warning!,Oil Alarm!,Please check!,g_stSystemConfig.license_plate_number);if (GET_SYSALARM_TYPE() != ALARMROB) DEBUG_PRINT(LOG_LEVEL_INFO, rn -Set Alarm Flag-rn);SET_SYSALARM_TYPE(ALARMDECOIL);SET_ALARM_FLAG();SendSMS(const char *)_smsContentSend, (char *)g_stSystemConfig.usUserPhoneNum);/发送报警短信memset(OIL_3MIN_REC, 0, sizeof(OIL_3MIN_REC);OIL_REC_FLAG = 0;OIL_CNT_G = 0;OIL_3MIN_CNT = 0;TimeDlyms(2000);SendSMS(const char *)_smsContentSend, (char *)g_stSystemConfig.usUserPhoneNum);/发送报警短信OSMemPut(ptrSmallMEM, _smsContentSend);else/如果没发生偷油报警，清报警标志，防止异常误报if (GET_SYSALARM_TYPE() = ALARMDECOIL)CLR_SYSALARM_TYPE();4.3加油提示当检测到车辆正在加油时，车辆会发出加油提示短信（The license plate number:YB12345,status:add oil for shape.）到设定的手机号。加油检测提示流程：/ 当前的油量减前一次的油量，如果大于设定的值判断为加油if(OIL_L - OIL_3MIN_AVG ) & (OIL_L - OIL_3MIN_AVG g_stSystemConfig.OilDescTh)if(g_ulBootSecTime 180)if(g_ulBootSecTime - add_oil_interval_time 300)add_oil_interval_time = g_ulBootSecTime;_smsContentSend = (char *) OSMemGetEx(ptrSmallMEM,200);snprintf(_smsContentSend,200,The license plate number:%s,status:add oil for shape.,g_stSystemConfig.license_plate_number);SendSMS(const char *)_smsContentSend, (char *)g_stSystemConfig.usUserPhoneNum);/发送加油提示短信OSMemPut(ptrSmallMEM, _smsContentSend);memset(OIL_3MIN_REC, 0, sizeof(OIL_3MIN_REC);OIL_REC_FLAG = 0;OIL_CNT_G = 0;OIL_3MIN_CNT = 0;4.4 通话监听当检测到是监听号码的来电时，终端会自动接听监控号码的来电，通过麦克风监听周围的声音，直到监听号码主动挂断；其他号码来电，不做接听的动作。监听流程：/有电话进来 while (ucDealPhone) MDM_WaitRecvDone(); DEBUG_PRINT(LOG_LEVEL_DEBUG,MDM_WaitRecvDone!rn); DEBUG_PRINT(LOG_LEVEL_INFO,g_szGprsRecvBuf,g_ulGprsRecvLen); if (!ucPhoneGetFlag) ulPhoneLen = PhoneNumberScan(char*)g_szComePhoneNUM); if (ulPhoneLen) DEBUG_PRINT(LOG_LEVEL_INFO,Phone(%d):%srn, ulPhoneLen, g_szComePhoneNUM); ucPhoneGetFlag = 1; if(0=memcmp(char*)g_szComePhoneNUM, (char*)g_stSystemConfig.stCenterPhone.CenterResetPhone, ulPhoneLen) ConnectCall();/如果是中心号码，接听来电 if(memcmp(char*)g_szComePhoneNUM, (char*)g_stSystemConfig.stCenterPhone.MonitorPhone, ulPhoneLen) ConnectCall();/如果是监听号码，接听来电 else ShutUpCall();/如果是其他号码，挂断来电 if (GPRS_ScanStr(NO CARRIER) break;/如果对方提前挂断，就退出 MDM_ClrRecvBuf(); TimeDlyms(1000); 4.5断电报警当检测到主电源被劫匪剪断或电源无法供电时，终端会立即发出断电报警短信。断电报警流程：/检测外部电源是否被断开if (switchstatus & MAIN_P_TURN_OFF) if (2 Power_OFF_Times) wer_ON_Times = 0;CLR_MAIN_POWER_ON_FLAG();if (ALARMROB != GET_SYSALARM_TYPE()if (ALARMGPS != GET_SYSALARM_TYPE()SET_SYSALARM_TYPE(ALARMGPS);SET_ALARM_FLAG();Main_Power_Flag = 1;DEBUG_PRINT(LOG_LEVEL_WARN, rnWarning:Main Power Off!);#if BAT_ADC_ENABLEBAT_PowerDownProcess();/发生外部电源断开时，切换到电池供电模式#endifelsePower_OFF_Times+;elseif (2 Power_ON_Times) Power_OFF_Times = 0;SET_MAIN_POWER_ON_FLAG();if (ALARMGPS = GET_SYSALARM_TYPE()CLR_SYSALARM_TYPE();CLR_ALARM_FLAG();Main_Power_Flag = 0;DEBUG_PRINT(LOG_LEVEL_WARN, rnWarning:Main Power On!);#if BAT