class SPL06(): I2C=I2C(I2c_CLK_PIN,I2c_SDA_PIN) SPL06_SlaveAddr = 0x76 # 写单个寄存器 def setReg(self, reg, dat): self.I2C.write(self.SPL06_SlaveAddr,reg, dat) # 读取单个寄存器包装 def getReg(self, reg): self.rb[0]=0 self.rb[0]=self.I2C.read(self.SPL06_SlaveAddr,reg) return self.rb[0] # 读取双寄存器数据 def get2Reg(self, reg): return self.getReg(reg) self.getReg(reg 1) * 256 # 传感器初始化 def __init__(self): self.rb = bytearray(1) self.C0 = (self.getReg(0x10)<<4) ((self.getReg(0x11)&0xF0)>>4) self.C0 = (0-((0xFFF^self.C0) 1)) if (self.C0 & (1<<11)) else self.C0 self.C1 = ((self.getReg(0x11)&0x0F)<<8) self.getReg(0x12) self.C1 = (0-((0xFFF^self.C1) 1)) if (self.C1 & (1<<11)) else self.C1 self.C00 = (self.getReg(0x13)<<12) (self.getReg(0x14)<<4) (self.getReg(0x15)>>4) self.C00 = (0-((0xFFFFF^self.C00) 1)) if (self.C00 & (1<<19)) else self.C00 self.C10 = ((self.getReg(0x15)&0x0F)<<16) (self.getReg(0x16)<<8) self.getReg(0x17) self.C10 = (0-((0xFFFFF^self.C10) 1)) if (self.C10 & (1<<19)) else self.C10 self.C01 = (self.getReg(0x18)<<8) self.getReg(0x19) self.C01 = (0-((0xFFFF^self.C01) 1)) if (self.C01 & (1<<15)) else self.C01 self.C11 = (self.getReg(0x1A)<<8) self.getReg(0x1B) self.C11 = (0-((0xFFFF^self.C11) 1)) if (self.C11 & (1<<15)) else self.C11 self.C20 = (self.getReg(0x1C)<<8) self.getReg(0x1D) self.C20 = (0-((0xFFFF^self.C20) 1)) if (self.C20 & (1<<15)) else self.C20 self.C21 = (self.getReg(0x1E)<<8) self.getReg(0x1F) self.C21 = (0-((0xFFFF^self.C21) 1)) if (self.C21 & (1<<15)) else self.C21 self.C30 = (self.getReg(0x20)<<8) self.getReg(0x21) self.C30 = (0-((0xFFFF^self.C30) 1)) if (self.C30 & (1<<15)) else self.C30 self.setReg(0x06,0x25.#气压测量配置 4 measurements 32 times temp = self.getReg(0x09) #oversampling times>8时必须使用 self.setReg(0x09,temp|0x04) self.setReg(0X07,0xa3) #温度测量配置 4 measurements 8 times self.setReg(0x08,0x07)#测量模式配置 连续测量模式 self.T = 0 self.P = 0 self.Altitude = 0 # 读取数据并计算 def get(self): adc_P = (self.getReg(0x00)<<16) (self.getReg(0X01)<<8) (self.getReg(0X02)) adc_P = (0-((adc_P^0xFFFFFF) 1)) if (adc_P & (1<<23))else adc_P adc_T = (self.getReg(0x03)<<16) (self.getReg(0X04)<<8) (self.getReg(0X05)) adc_T= (0-((adc_T^0xFFFFFF) 1)) if (adc_T & (1<<23))else adc_T Traw_src = adc_T/7864320.0 # 8times Praw_src = adc_P/516096.0 # 32times self.T = (0.5*self.C0 Traw_src*self.C1)-4.5 #板有热源做简单的偏差处理 self.P = self.C00 Praw_src*(self.C10 Praw_src*(self.C20 Praw_src*self.C30)) Traw_src*self.C01 Traw_src*Praw_src*(self.C11 Praw_src*self.C21) self.Altitude = 44330*(1-(self.P/101325)**(1/5.255)) return [self.T,self.P,self.Altitude] # 获取温度值：单位℃ def getTemp(self): self.get() return self.T # 获取大气压力：单位pa def getPress(self): self.get() return self.P # 获得海拔：单位米 def getAltitude(self): self.get() return self.Altitude #soft Reset def reset(self): self.setReg(0x0C, 0x09) def SPL06Chack(self):#检查SPL06连接正常 print("ID:",self.getReg(0x0D)) if self.getReg(0x0D)==0x10: return 1 else: return 0if __name__ == "__main__" : SPL06_obj=SPL06() if SPL06_obj.SPL06Chack()==1: print('SPL06检测OK') for i in range(1,500): print('Temp:%f ℃ Press:%f Pa Altitude:%f m'%(SPL06_obj.getTemp(),SPL06_obj.getPress(),SPL06_obj.getAltitude())) time.sleep(1)
请点击完整的驱动代码：https://download.csdn.net/download/DD_Boy_liang/85721891
7、模拟IIC请点击代码：https://download.csdn.net/download/DD_Boy_liang/85721934