为什么51驱动BMP085气压传感器老是调不出来？

1245 BMP085 气压传感器

问答对人有帮助，内容完整，我也想知道答案 0 如下，这是程序。,恳请有经验的人帮我改改，谢谢 #include #include #define uchar unsigned char #define uint unsigned int *it SCL = P1^1; it SDA = P1^0; it lcdrs=P2^6; it lcdwr=P2^5; it lcden_1602=P2^7; uchar MSB; uchar LSB; unsigned long T; long X1; long X2; long B5; signed short AC1; signed short AC2; signed short AC3; unsigned short AC4; unsigned short AC5; unsigned short AC6; signed short B1; signed short B2; signed short MB; signed short MC; signed short MD; long UT; uchar num; uchar ge,shi,bai,qian,wan,shiwan,baiwan,qianwan,wanwan; void delay(uchar t) { uchar b; for(t;t>0;t--) for(b=50;b>0;b--); } void write_com_1602(uchar command)//写命令 { lcdrs=0; lcdwr=0; P0=command; delay(2); lcden_1602=1; delay(2); lcden_1602=0; delay(2); lcden_1602=1; } void write_data_1602(uchar in_data)//写数据 { lcdrs=1; lcdwr=0; P0=in_data; delay(2); lcden_1602 = 1; delay(2); lcden_1602 = 0; delay(2); lcden_1602 = 1; } void init_1602()//初始化 { lcden_1602=0; write_com_1602(0x01); //清屏 write_com_1602(0x06); //AC自动加一，画面不移动 write_com_1602(0x0c); //开显示，显示光标，光标闪 write_com_1602(0x38); //8位数据接口，2行显示5×7点阵 } void delay_ms(uchar del_ms)//2ms { uint a; for(del_ms;del_ms>0;del_ms--) { for(a=260;a>0;a--); } } void IIC_start() { SDA=1; delay(1); SCL=1; delay(1); SDA=0; delay(1); SCL=0; } void IIC_end() { SCL=0; delay(1); SDA=0; delay(1); SCL=1; delay(1); SDA=1; delay(1); } void IIC_check_respons() { uchar num_0=250; SCL=0; delay(1); SDA=1; delay(1); SCL=1; delay(1); while((SDA==1)&&(num_0>0))num_0--; SCL=0; } void IIC_receive_respons() { SCL=0; delay(1); SDA=0; delay(1); SCL=1; delay(3); SCL=0; } void write_IIC(uchar iic_data) { uchar a; for(a=0;a<8;a++) { SCL=0; iic_data=iic_data<<1; SDA=CY; delay(1); SCL=1; delay(1); } IIC_check_respons(); } unsigned char read_IIC() { uchar IIC_receive; uchar c; SDA=1; for(c=0;c<8;c++) { SCL=1; delay(1); IIC_receive=IIC_receive<<1; IIC_receive=SDA\|IIC_receive; SCL=0; delay(1); } IIC_receive_respons(); return IIC_receive; } short read_EEPROM_BMP085(uchar reg_EEPROM_addr) // { uchar m,l; short ut; IIC_start(); //开始 write_IIC(0xee);//085地址写操作 write_IIC(reg_EEPROM_addr); IIC_start(); //重新开始 write_IIC(0xef);// m=read_IIC(); IIC_receive_respons(); / IIC_start(); //开始 write_IIC(0xee);//085地址写操作 write_IIC(reg_EEPROM_addr); IIC_start(); //重新开始 write_IIC(0xef);//读操作 / l=read_IIC(); IIC_end(); ut=(m<<8)+l*; return ut; } void init_BMP085() { AC1 = read_EEPROM_BMP085(0xAA); AC2 = read_EEPROM_BMP085(0xAC); AC3 = read_EEPROM_BMP085(0xAE); AC4= read_EEPROM_BMP085(0xB0); AC5= read_EEPROM_BMP085(0xB2); AC6= read_EEPROM_BMP085(0xB4); B1= read_EEPROM_BMP085(0xB6); B2= read_EEPROM_BMP085(0xB8); MB = read_EEPROM_BMP085(0xBA); MC = read_EEPROM_BMP085(0xBC); MD = read_EEPROM_BMP085(0xBE); } / void write_BMP085(uchar BMP085_data) { write_IIC(BMP085_data); } / uchar read_BMP085(uchar reg_addr) { uchar value; IIC_start(); write_IIC(0xee);//085地址写操作 write_IIC(reg_addr); IIC_start(); write_IIC(0xef);//读 value = read_IIC(); return value; } void measure(uchar measure_BMP085) { IIC_start(); write_IIC(0xee);//085地址写操作 write_IIC(0xf4);//085固定寄存器地址 ,表示要进行测量。 write_IIC(measure_BMP085);//如(0x2e)，温度测量; //寄存器数据，进行温度或者压力测试 IIC_end(); } signed long calculate_temperature() { long t; //temperature，温度 X1=(UT-AC6)AC5; X1=X1/pow(2,15); X2=(MCpow(2,11))/(X1+MD) ; B5=(X1+X2); t=(B5+8)/pow(2,4); //真实温度 return t; } void main() { init_1602(); delay_ms(100); //上电延时 init_BMP085();//初始化并读取EEPROM write_com_1602(0x80+15); //命令 write_data_1602('>'); //写数据 //!*如果在此函数中循环代表数据读取出错*!/ while((AC1==0)\|\|(AC1==0xffff)\|\|(AC2==0)\|\|(AC2==0xffff)\|\|(AC3==0)\|\|(AC3==0xffff)\|\|(AC4==0)\|\|(AC4==0xffff)\|\|(AC5==0)\|\|(AC5==0xffff)\|\|(AC6==0)\|\|(AC6==0xffff)\|\|(B1==0)\|\|(B1==0xffff)\|\|(B2==0)\|\|(B2==0xffff)\|\|(MB==0)\|\|(MB==0xffff)\|\|(MC==0)\|\|(MC==0xffff)\|\|(MD==0)\|\|(MD==0xffff)) { init_BMP085(); } //~***提示初始化完毕****~// write_com_1602(0x80+0x40); //命令 write_data_1602('T'); //写数据 /*************************************/ /***********主执行函数************/ /***************************************/ while(1) { measure(0x2e); delay_ms(7); MSB=read_BMP085(0xF6);//MSB IIC_receive_respons(); LSB=read_BMP085(0xF7);//MSB IIC_end(); UT = MSB<<8+LSB; T=calculate_temperature(); ge = T%10; shi = T%100/10; bai = T%1000/100; qian= T%10000/1000; wan = T%100000/10000; shiwan= T%1000000/100000; baiwan= T%10000000/1000000; qianwan= T%100000000/10000000; //wanwan = T%1000000000/100000000;//千万位用于测试 //write_com_1602(0x82); //命令 //write_data_1602(qianwan+0x30); //写数据 write_com_1602(0x83); //命令 write_data_1602(wanwan+0x30); //写数据 write_com_1602(0x84); //命令 write_data_1602(baiwan+0x30); //写数据 write_com_1602(0x85); //命令 write_data_1602(shiwan+0x30); //写数据 write_com_1602(0x86); //命令 write_data_1602(wan+0x30); //写数据 write_com_1602(0x87); //命令 write_data_1602(qian+0x30); //写数据 write_com_1602(0x88); //命令 write_data_1602(bai+0x30); //写数据 write_com_1602(0x89); //命令 write_data_1602(shi+0x30); //写数据 write_com_1602(0x90); //命令 write_data_1602(ge+0x30); //写数据 } } 0
2019-7-26 02:04:28　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × heks 该类别下有 20 个回答。邀请回答新星之火12138 该类别下有 18 个回答。邀请回答 wang21cj 该类别下有 17 个回答。邀请回答 hgimtk 该类别下有 16 个回答。邀请回答科源机电该类别下有 15 个回答。邀请回答 liutiefu 该类别下有 15 个回答。邀请回答 kghfh 该类别下有 14 个回答。邀请回答 chm5 该类别下有 13 个回答。邀请回答 dgfdf 该类别下有 13 个回答。邀请回答 723662364d 该类别下有 13 个回答。邀请回答一巷清苑该类别下有 13 个回答。邀请回答 efwedfd 该类别下有 12 个回答。邀请回答小华同学该类别下有 12 个回答。邀请回答 jsqueh 该类别下有 12 个回答。邀请回答红旧衫该类别下有 12 个回答。邀请回答早知该类别下有 12 个回答。邀请回答 Ehunt 该类别下有 12 个回答。邀请回答 hy381 该类别下有 12 个回答。邀请回答张峰9998 该类别下有 12 个回答。邀请回答 ggfvxv 该类别下有 12 个回答。邀请回答举报李凤相关推荐 • protues里怎么仿真数字气压计BMP085 7881 • 请问BMP085与BMP180一样吗? 3117 • 关于BMP085读UT（未补偿温度）和UP（未补偿气压）的问题 3184 • 各位好，BMP085问题 2367 • 【求助】BMP180气压传感器的使用 7074 • 测量BMP280大气压传感器有什么用呢 1704 • 新人求助，求基于单片机控制的数字气压计程序 5378 • 有师傅做过 bmp280 的大气压强传感器的试验吗跪求图纸和代码 4966 • 怎样去使用一种BMP180气压传感器 1378 • BMP180做海拔表的海拔不准 3118 3个回答

答案对人有帮助，有参考价值 0 老规矩，抓波形分析

2019-7-26 08:51:39 评论举报张杰

答案对人有帮助，有参考价值 0 回复【2楼】Badu_Space: --------------------------------谢谢，明天看看~我估计是变量类型不统一引发的错误。。。。。。

2019-7-26 09:05:51 评论举报张瑞