关于无线温度计单片机部分代码.doc

#include #include #define uchar unsigned char#define uint unsigned intsbit RS = P23; /片选信号sbit RW = P24;/数据信号sbit EN = P25;/时钟信号sbit DQ = P26; /连接DS18B20uchar tplsb,tpmsb; / 温湿度值低位、高位字节 uint temp; uchar code num=0123456789;uchar code dis1=温湿度A ：;uchar code dis2=温湿度B ：;/-#define BYTE_BIT00x01#define BYTE_BIT70x80/-bdata unsigned char DATA_BUF;#define DATA7(DATA_BUF&BYTE_BIT7) != 0)#define DATA0 (DATA_BUF&BYTE_BIT0) != 0)sbitflag=DATA_BUF7;sbitflag1=DATA_BUF0;/-发送数据缓冲区-/#define TxRxBuf_Len 4/unsigned char TxRxBufTxRxBuf_Len=0x29,0x30,0x31,0x32,;code TxAddress4=0xcc,0xcc,0xcc,0xcc;char K2;uchar TxRxBuf4=0x29,0x30,0x31,0x32,;/-NRF24L01工作模式控制端口-sbitTXEN=P10;sbitTRX_CE=P35;sbitPWR=P11;/-LED显示端口-/sbit LED=P35;/-NRF24L01 数据交换端口-sbitMISO=P16;sbitMOSI=P15;sbitSCK=P17;sbitCSN=P13;/-NRF24L01状态端口-sbitAM=P14;sbitDR=P36;sbitCD=P12;/-/-按键端口-sbitKEY2=P32;sbitKEY3=P21;/-NRF24L01控制指令-#define WC0x00#define RC0x10#define WTP0x20#define RTP0x21#define WTA0x22#define RTA0x23#define RRP0x24/-NRF24L01寄存器配置-unsigned char idata RFConf11= 0x00, /配置命令/ 0x4c, /CH_NO,配置频段在430MHZ 0x0c, /输出功率为10db,不重发，节电为正常模式 0x44, /地址宽度设置，为4字节 0x04,0x04, /接收发送有效数据长度为4字节 0xCC,0xCC,0xCC,0xCC, /接收地址 0x58, /CRC充许，8位CRC校验，外部时钟信号不使能，16M晶振;/=延时=void NRF24L01_Delay(int n)uint i;while(n-)for(i=0;i80;i+);/=SPI读函数=unsigned char SpiRead(void)unsigned char j;for (j=0;j8;j+) DATA_BUF=DATA_BUF1;SCK=1;if (MISO)/读取最高位，保存至最末尾，通过左移位完成整个字节DATA_BUF|=BYTE_BIT0;elseDATA_BUF&=BYTE_BIT0;SCK=0; return DATA_BUF;/=SPI写函数=void SpiWrite(unsigned char send)unsigned char i;DATA_BUF=send;for (i=0;i8;i+)if (DATA7)/总是发送最高位MOSI=1;elseMOSI=0;SCK=1;DATA_BUF=DATA_BUF1;SCK=0;/-初始化NRF24L01-void NRF24L01Init(void) CSN=1;/ Spi disableSCK=0;/ Spi clock line init lowDR=1;/ Init DR for inputAM=1;/ Init AM for inputCD=1;/ Init CD for inputPWR=1;/ NRF24L01 power onTRX_CE=0;/ Set NRF24L01 in standby modeTXEN=0;/ set radio in Rx mode/-初始化寄存器-void Config905(void)uchar i;CSN=0;/ Spi enable for write a spi command/SpiWrite(WC);/ Write config command写放配置命令for (i=0;i11;i+)/ Write configration words 写放配置字 SpiWrite(RFConfi);CSN=1;/ Disable Spi/-发送数据打包-void TxPacket(uchar *TxRxBuf)uchar i;/Config905();CSN=0;SpiWrite(WTP);/ Write payload commandfor (i=0;i4;i+)SpiWrite(TxRxBufi);/ Write 32 bytes Tx dataCSN=1;NRF24L01_Delay(1);/ Spi disableCSN=0;/ Spi enable for write a spi commandSpiWrite(WTA);/ Write address commandfor (i=0;i=650us)/-设置接收初始化-void SetRxMode(void)TXEN=0;TRX_CE=1;NRF24L01_Delay(1); / NRF24L01_Delay for mode change(=650us)/-判断数据接收状态-unsigned char CheckDR(void)/检查是否有新数据传入 Data ReadyDR=1; /通过对端口写1，可以使端口为输入状态，这51的 特性。不熟悉者可以参阅51相关书籍作证(将DR端口设置为输入状态。)if (DR=1)DR=0;return 1;elsereturn 0;/-读NRF24L01接收数据-void RxPacket(void)uchar i; NRF24L01_Delay(1);/TRX_CE=0;/ Set NRF24L01 in standby mode NRF24L01_Delay(100); TRX_CE=0;CSN=0;/ Spi enable for write a spi command NRF24L01_Delay(1);SpiWrite(RRP);for (i = 0 ;i 4 ;i+) TxRxBufi=SpiRead();/ Read data and save to buffer CSN=1; NRF24L01_Delay(10);TRX_CE=1;/-数据接收-void RX(void) SetRxMode(); / while (CheckDR()=0); 为了实现双向通信，就不能一直处于接收等待状态，所以注释掉 NRF24L01_Delay(10); RxPacket();/* 名称 : delay()* 功能 : 延时,延时时间为 100us * t。这是通过软件延时，有一定误差。* 输入 : t* 输出 : 无*/void delay(unsigned int t)unsigned int i,j;for(i=0; it; i+) for(j=0; j10; j+);/* 名称 : sendbyte()* 功能 : 按照液晶的串口通信协议，发送数据* 输入 : zdata* 输出 : 无*/void sendbyte(unsigned char zdata)unsigned int i;for(i=0; i8; i+)if(zdata i) & 0x80)RW = 1;else RW = 0;EN = 0;EN = 1;/* 名称 : write_com()* 功能 : 写串口指令* 输入 : cmdcode* 输出 : 无*/void write_com(unsigned char cmdcode)RS = 1;sendbyte(0xf8);sendbyte(cmdcode & 0xf0);sendbyte(cmdcode 4) & 0xf0);delay(2);/* 名称 : write_data()* 功能 : 写串口数据* 输入 : cmdcode* 输出 : 无*/void write_data(unsigned char Dispdata)RS = 1;sendbyte(0xfa);sendbyte(Dispdata & 0xf0);sendbyte(Dispdata 0) write_data(*s);s+;delay(50); /* 名称 : 显示位置*/void lcd_pos(uchar X,uchar Y) uchar pos; if(X=0) X = 0x80; else if(X=1) X = 0x90; else if(X=2) X = 0x88; else if(X=3) X = 0x98; pos = X + Y; write_com(pos);/* 名称 : 清屏*/void clear_show() uchar i,j;lcd_pos(0,0);for(i = 0;i 6;i+) for(j = 0; j 16; j+) write_data( ); /* 名称 : lcdinit()* 功能 : 初始化函数* 输入 : cmdcode* 输出 : 无*/void lcdinit() delay(200);write_com(0x30);delay(50);write_com(0x0c);delay(50);/*/* */* 温湿度 */* */*/*产生复位脉冲初始化DS18B20*/void reset(void)uint i;DQ=0;i=100;while(i-);DQ=1;/ 产生上升沿i=4;while(i-);/* 等待应答脉冲*/void wait(void)uint i;while(DQ);while(DQ); / 检测到应答脉冲 i=4;while(i-);bit readbit(void)uint i;bit b;DQ=0;i+;DQ=1;i+;i+;/ 延时15us以上，读时隙下降沿后15us，DS18B20输出数据才有效b=DQ;i=10;while(i-);return (b);/* 读取数据的一个字节*/uchar readbyte(void)uchar i,j,b;b=0;for(i=0;i8;i+)j=readbit();b=(j1);return(b);/*写数据的一个字节，满足写1和写0的时隙要求*/void writebyte(uchar b)uint i;uchar j;bit btmp;for(j=0;j1; / 取下一位（由低位向高位）if(btmp)DQ=0;i+;i+;DQ=1;i=10;while(i-);/ 整个写1时隙不低于60uselseDQ=0;i=10;while(i-); / 保持低在60us到120us之间DQ=1;i+;i+;/* 启动温湿度转换*/void convert(void)reset();/ 产生复位脉冲，初始化DS18B20wait();/等待DS18B20给出应答脉冲writebyte(0xcc);/ skip rom 命令writebyte(0x44);/ convert T 命令/* 读取温湿度值*/uint readtemp(void)float tt;reset();wait();delay(1);writebyte(0xcc);/ skip rom 命令writebyte(0xbe);/ read scratchpad 命令tplsb=readbyte();/ 温湿度值低位字节（其中低4位为二进制的小数部分）tpmsb=readbyte();/ 高位值高位字节（其中高5位为符号位）temp=tpmsb;temp=8;temp=temp|tplsb;tt=temp*0.0625;temp=tt*10+0.5;return (temp);void display(uint temp)uchar a1,a2,a3,a4;a1=temp/100;a2=temp%100;a3=a2/10;a4=a2%10;lcd_pos(2,1); write_data(numa1);delay(1); lcd_pos(2,2);write_data(numa3);delay(1);lcd_pos(2,3);write_data(.);delay(1);lcd_pos(2,4); write_data(numa4);delay(1); /* 名称 : Main()* 功能 : 主函数* 输入 : 无* 输出 : 无*/void Main()uchar i;delay(10); lcdinit();NRF24L01Init();Config905();while(1)RX();if(KEY2=0)delay(5);if(KEY2=0)K2=0;while(!KEY2);delay(5);while(!KEY2);if(KEY3=0)delay(5);if(KEY3=0)K2=1;while(!KEY3);delay(5);while(!KEY3);if(K2=0)lcd_pos(0,0); /设置显示位置为第一行的第1个字符 i = 0; while(dis1i != 0) /显示字符 write_data(dis1i); i+; convert();display(readtemp(); if(K2=1)lcd_pos(0,0); /设置显示位置为第一行的第1个字符 i = 0; while(dis2i != 0) /显示字符 write_data(dis2i); i+; lcd_pos(2,1); write_data(numTxRxBuf0);delay(1); lcd_pos(2,2);write_data(numTxRxBuf1);delay(1);lcd_pos(2,3);write_data(.);delay(1);lcd_pos(2,4); write_data(numTxRxBuf3);delay(1); 附录D：ATC89C52接收代码#include #include #define uchar unsigned char#define uint unsigned intsbit RS = P23; /片选信号sbit RW = P24;/数据信号sbit EN = P25;/时钟信号sbit DQ = P26; /连接DS18B20uchar tplsb,tpmsb; / 温湿度值低位、高位字节 uint temp; uchar code num=0123456789;uchar code dis1=温湿度：;/-#define BYTE_BIT00x01#define BYTE_BIT70x80/-bdata unsigned char DATA_BUF;#define DATA7(DATA_BUF&BYTE_BIT7) != 0)#define DATA0 (DATA_BUF&BYTE_BIT0) != 0)sbitflag=DATA_BUF7;sbitflag1=DATA_BUF0;/-发送数据缓冲区-/#define TxRxBuf_Len 4/unsigned char TxRxBufTxRxBuf_Len=0x29,0x30,0x31,0x32,;code TxAddress4=0xcc,0xcc,0xcc,0xcc;char tf;uchar TxRxBuf4=0x29,0x30,0x31,0x32,;/-NRF24L01工作模式控制端口-sbitTXEN=P10;sbitTRX_CE=P35;sbitPWR=P11;/-LED显示端口-/sbit LED=P35;/-NRF24L01 数据交换端口-sbitMISO=P16;sbitMOSI=P15;sbitSCK=P17;sbitCSN=P13;/-NRF24L01状态端口-sbitAM=P14;sbitDR=P36;sbitCD=P12;/-/-按键端口-/sbitKEY=P32;/-NRF24L01控制指令-#define WC0x00#define RC0x10#define WTP0x20#define RTP0x21#define WTA0x22#define RTA0x23#define RRP0x24/-NRF24L01寄存器配置-unsigned char idata RFConf11= 0x00, /配置命令/ 0x4c, /CH_NO,配置频段在430MHZ 0x0c, /输出功率为10db,不重发，节电为正常模式 0x44, /地址宽度设置，为4字节 0x04,0x04, /接收发送有效数据长度为4字节 0xCC,0xCC,0xCC,0xCC, /接收地址 0x58, /CRC充许，8位CRC校验，外部时钟信号不使能，16M晶振;/=延时=void NRF24L01_Delay(int n)uint i;while(n-)for(i=0;i80;i+);/=SPI读函数=unsigned char SpiRead(void)unsigned char j;for (j=0;j8;j+) DATA_BUF=DATA_BUF1;SCK=1;if (MISO)/读取最高位，保存至最末尾，通过左移位完成整个字节DATA_BUF|=BYTE_BIT0;elseDATA_BUF&=BYTE_BIT0;SCK=0; return DATA_BUF;/=SPI写函数=void SpiWrite(unsigned char send)unsigned char i;DATA_BUF=send;for (i=0;i8;i+)if (DATA7)/总是发送最高位MOSI=1;elseMOSI=0;SCK=1;DATA_BUF=DATA_BUF1;SCK=0;/-初始化NRF24L01-void NRF24L01Init(void) CSN=1;/ Spi disableSCK=0;/ Spi clock line init lowDR=1;/ Init DR for inputAM=1;/ Init AM for inputCD=1;/ Init CD for inputPWR=1;/ NRF24L01 power onTRX_CE=0;/ Set NRF24L01 in standby modeTXEN=0;/ set radio in Rx mode/-初始化寄存器-void Config905(void)uchar i;CSN=0;/ Spi enable for write a spi command/SpiWrite(WC);/ Write config command写放配置命令for (i=0;i11;i+)/ Write configration words 写放配置字 SpiWrite(RFConfi);CSN=1;/ Disable Spi/-发送数据打包-void TxPacket(uchar *TxRxBuf)uchar i;/Config905();CSN=0;SpiWrite(WTP);/ Write payload commandfor (i=0;i4;i+)SpiWrite(TxRxBufi);/ Write 32 bytes Tx dat