【正文】 Hline,RHtrue。 RHline=4+**dat*dat。 RHtrue=(temp25)*(+*dat)+RHline。 if(RHtrue) { flag_humidity=1。 } else { flag_humidity=0。 } return(RHtrue)。}******************************************/endifTSL2561程序代碼include//TSL2561地址define ucharunsigned chardefine uintunsigned int //設(shè)備讀寫地址define SLAVE_ADDR_W 0x72define SLAVE_ADDR_RD 0x73//命令控制寄存器define CONTROL 0x80define TIMING 0x81define DATA0LOW 0x8Cdefine DATA0HIGH 0x8Ddefine DATA1LOW 0x8Edefine DATA1HIGH 0x8FucharDatalow,Datahigh0,Datalow1,DataHigh1,Command,Channel0,Channel1,temp。sbitsda=P2^0。sbitscl=P2^1。void delay(){。}void delaylms(uchar x){uchara,b。for(a=x。a0。a)for(b=100。b0。b)。}void start(){sda=1。delay()。scl=1。delay()。scl=1。delay()。sda=0。delay()。}void stop(){sda=0。delay()。scl=1。delay()。sda=1。delay()。}void respons(){uchar i。scl=1。delay()。while((sda==1)amp。amp。(i250))i++。scl=0。delay()。}void write_byte(unsigned chardate){uchari。for(i=0。i8。i++){scl=0。date=1。sda=CY。delay()。scl=1。delay()。}ucharread_byte(){uchar i,k。scl=0。delay()。sda=1。//釋放資源delay()。for(i=0。i8。i++){scl=1。delay()。k=(k1)|sda。scl=0。delay()。}return k。}void TSL2561_Write(ucharmand,uchardate){start()。write_byte(SLAVE_ADDR_WR)。respons()。write_byte(mand)。respons()。write_byte(date)。respons()。stop()。}ucharTSL2561_Read(ucharmand){uchardate。start()。write_byte(SLAVE_ADDR_WR)。respons()。write_byte(mand)。respons()。start()。write_byte(SLAVE_ADDR_RD)。respons()。date=read_byte()。stop()。return date。}//讀取光照強度viod Read_Light(){DataLow0=TSL2561_Read(DATA0LOW)。DataHigh0=TSL2561_Read(DATA0HIGH)。Channel0=256*DataHigh0+DataLow0。DataLow1=TSL2561_Read(DATA1LOW)。DataHigh1=TSL2561_Read(DATA1HIGH)。Channel1=246*DataHigh1+DataLow1。}void Init(){EA=1。TMOD=0x20。TL1=0xfd。TH1=0xfd。TR1=1。//SMOD=0。SM 0=0。SM 1=1。REN=1。ES=1。}void main(){Init()。TSL2561_Write(CONTROL,0x03)。//設(shè)置TSL2561未開啟狀態(tài)while(1){Read_Light()。//讀取光強/*id=TSL2561_Read(CONTROL)。SBUF=id。P1=id,*/P1=DataLow0。SBUF=DataLow0。//把通道0低字節(jié)數(shù)據(jù)傳到串口緩存區(qū)delay1ms(200)。P1DataHigh0。SBUF=DataHigh0。//把通道0高字節(jié)數(shù)據(jù)傳到串口緩存區(qū)delay1ms(200)。P1=DataLow1。SBUF=DataLow1。delay1ms(200)。P1=DataHigh1。SBUF=DataHigh1。delay1ms(200)。}}void serial() interrupt4{if(RI==1){Ri=0。P1=SBUF。}else if(TI==1){TI=0。}}PTR2000程序代碼include // 引用標(biāo)準(zhǔn)庫的頭文件include define uchar unsigned chardefine uint unsigned intdefine REQ_SEND0x33define REQ_RESEND0x66define SEND_OVER0x99//為簡化起見，假設(shè)了7位固定的采集數(shù)據(jù)define DATA00x10define DATA10x20define DATA20x30define DATA30x40define DATA40x50define DATA50x60define DATA60x70sbit TXEN = P2^0。sbit CS = P2^1。sbit PWR = P2^2。void ClearT_buf()。//清除t_buf函數(shù)void ClearR_buf()。//清除r_buf函數(shù)void Delay()。//延時5msvoid GetData()。//采集數(shù)據(jù)void Send()。//采集并發(fā)送函數(shù)void SendOver()。//通知PC機發(fā)送結(jié)束函數(shù)xdata uchar Flag_Start = 0 。//開始接受數(shù)據(jù)標(biāo)志位xdata uchar Flag_RSend = 0 。//請求發(fā)送標(biāo)志位xdata uchar Flag_ReSend = 0 。//請求重發(fā)標(biāo)志位xdata uchar Flag_Delay = 1 。//延時5ms標(biāo)志xdata uchar Data[7]。//采集的7個字節(jié)數(shù)據(jù)xdata uchar tCount = 0。xdata uchar t_buf[11]。// 1開始字節(jié)$，1長度字節(jié)LEN，// 7字節(jié)數(shù)據(jù)，1校驗和字節(jié)，// 1 結(jié)束字節(jié)*xdata uchar rCount = 0 。xdata uchar r_buf[5]。// 1開始字節(jié)$，1長度字節(jié)LEN，// 1字節(jié)指令，1校驗和字節(jié)，// 1 結(jié)束字節(jié)*/* 定時器0中斷服務(wù)子程序 */void timer() interrupt 1 using 2{Flag_Delay = 0。TH0 = 5000/256。TL0 = 5000%256。}//串口中斷服務(wù)子程序void serial ( ) interrupt 4 using 1{RI = 0 。//判斷是否收到字符39。$39。，其數(shù)值為0x24，置開始接收標(biāo)志位if ((!Flag_Start) amp。amp。 (SBUF == 0x24)){Flag_Start = 1。}if (Flag_Start){if (rCount 5){r_buf[rCount] = SBUF。rCount ++。}//判斷是否收到字符39。*39。，其數(shù)值為0x2A，根據(jù)接收的指令設(shè)置相應(yīng)標(biāo)志位if ((r_buf[rCount 1] == 0x2A) || (rCount == 5)){rCount = 0。Flag_Start = 0。if (r_buf[2] == REQ_SEND)//收到“請求發(fā)送”指令{Flag_RSend = 1。}if (r_buf[2] == REQ_RESEND) //收到“請求重發(fā)”指令{Flag_ReSend = 1。}}elseClearR_buf()。}}//清除t_buf函數(shù)void ClearT_buf(void){uchar xdata i 。for (i=0。i++。i11){t_buf[i] = 0。}}//清除r_buf函數(shù)void ClearR_buf(void){uchar xdata i 。for (i=0。i++。i5){r_buf[i] = 0。}}//延時函數(shù)void Delay(void){TR0=1。ET0=1。while( Flag_Delay)。ET0 = 0。TR0 = 0。Flag_Delay = 1。}//采集數(shù)據(jù)函數(shù)經(jīng)過簡化處理，取固定的7個字節(jié)數(shù)據(jù)void GetData(void){Data[0]=DATA0。Data[1]=DATA1。Data[2]=DATA2。Data[3]=DATA3。Data[4]=DATA4。Data[5]=DATA5。Data[6]=DATA6。}//單片機端發(fā)送數(shù)據(jù)函數(shù)void Send(void){uchar xdata j = 0。uchar xdata len = 0。uchar xdata CheckSum = 0 。t_buf[0]=0x24。//起始位t_buf[1]=0x07。//7個數(shù)據(jù)字節(jié)len=t_buf[1]。CheckSum = CheckSum + len。for ( j=0。j++。jlen){t_buf[j+2] = Data[j]。CheckSum = CheckSum + t_buf[j+2]。}t_buf[9] = CheckSum。//校驗和字節(jié)t_buf[10] = 0x2A。//停止位for (j=0。j++。j11){TI =0 。SBUF = t_buf[j]。while ( TI ==0 )。TI =0 。}}//通知PC機端發(fā)送結(jié)束函數(shù)void SendOver(void){TI =0 。SBUF = 0x24。while ( TI ==0 )。TI =0 。SBUF = 0x01。while ( TI ==0 )。TI =0 。SBUF = SEND_OVER。//通知PC機端“發(fā)送結(jié)束”while ( TI ==0 )。TI =0 。SBUF = 0x99。//校驗字節(jié)while ( TI ==0 )。TI =0 。SBUF = 0x2A。while ( TI ==0 )。TI =0 。}void main(void){ClearT_buf()。ClearR_buf()。TXEN = 0。//初始為接收狀態(tài)PWR = 1。//正常工作模式CS = 0。//選擇通道0EA=0。//，9600波特率，工作方式1,8數(shù)據(jù)位，1停止位，無奇偶校驗TMOD = 0x21。SCON = 0x50。//串行口工作方式1，REN=1PCON = 0x00。//SMOD=0TL1 = 0xfd。TH1 = 0xfd。TR1=1。//定時器1開始計時PT0 = 1。//定時器0高優(yōu)先級TH0 = 5000/256。//5msTL0 = 5000%256。IE = 0x90。//EA=1,ES=1while (1){if (Flag_RSend)//“請求發(fā)送”指令{TXEN = 1。// 改變?yōu)榘l(fā)射狀態(tài)Delay()。// 延時5msGetData()。// 采集數(shù)據(jù)Send()。// 發(fā)送Flag_RSend = 0。SendOver()。// 通知PC機發(fā)送結(jié)束TXEN = 0。// 重設(shè)為接收狀態(tài)}else if (Flag_ReSend)// “請求重發(fā)”指令{TXEN = 1。// 改變?yōu)榘l(fā)射狀態(tài)Delay()。// 延時5msSend()。// 重發(fā)Flag_ReSend = 0。SendOver()。// 通知PC機發(fā)送結(jié)束TXEN = 0。 // 設(shè)為接收狀態(tài)}}}