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一部修正

2020/08/03 08:06

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raspypy

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@@ -40,7 +40,7 @@
-```python3
+```python
 #!/usr/bin/python3
@@ -56,394 +56,4 @@
-#I2C Address設定
-bus_number  = 1
-i2c_address = 0x76
-bus = SMBus(bus_number)
-#データ格納変数定義
-MAX_DATA=50
-#データ格納変数定義
-digT = []
-digP = []
-digH = []
-t_fine = 0.0
-date=datetime.datetime.today()
-#コンストラクタ定義
-#config, ctrl_meas, ctrl_muレジスタ設定
-def init():
-    #レジスタ書き込み値
-    osrs_t = 1          #Temperature oversampling x 1
-    osrs_p = 1          #Pressure oversampling x 1
-    osrs_h = 1          #Humidity oversampling x 1
-    mode   = 3          #Normal mode
-    t_sb   = 5          #Tstandby 1000ms
-    filter = 0          #Filter off
-    spi3w_en = 0            #3-wire SPI Disable
-    #レジスタ設定
-    ctrl_meas_reg = (osrs_t << 5) | (osrs_p << 2) | mode
-    config_reg    = (t_sb << 5) | (filter << 2) | spi3w_en
-    ctrl_hum_reg  = osrs_h
-    #レジスタアドレス指定
-    writeReg(0xF2,ctrl_hum_reg)
-    writeReg(0xF4,ctrl_meas_reg)
-    writeReg(0xF5,config_reg)
-#Data(レジスタ設定値)書き込み
-def writeReg(reg_address, data):
-    bus.write_byte_data(i2c_address,reg_address,data)
-#Calibration (補正データ取得)
-def get_calib_param():
-    calib = []
-    for i in range (0x88,0x88+24):
-        calib.append(bus.read_byte_data(i2c_address,i))
-    calib.append(bus.read_byte_data(i2c_address,0xA1))
-    for i in range (0xE1,0xE1+7):
-        calib.append(bus.read_byte_data(i2c_address,i))
-    digT.append((calib[1] << 8) | calib[0])
-    digT.append((calib[3] << 8) | calib[2])
-    digT.append((calib[5] << 8) | calib[4])
-    digP.append((calib[7] << 8) | calib[6])
-    digP.append((calib[9] << 8) | calib[8])
-    digP.append((calib[11]<< 8) | calib[10])
-    digP.append((calib[13]<< 8) | calib[12])
-    digP.append((calib[15]<< 8) | calib[14])
-    digP.append((calib[17]<< 8) | calib[16])
-    digP.append((calib[19]<< 8) | calib[18])
-    digP.append((calib[21]<< 8) | calib[20])
-    digP.append((calib[23]<< 8) | calib[22])
-    digH.append( calib[24] )
-    digH.append((calib[26]<< 8) | calib[25])
-    digH.append( calib[27] )
-    digH.append((calib[28]<< 4) | (0x0F & calib[29]))
-    digH.append((calib[30]<< 4) | ((calib[29] >> 4) & 0x0F))
-    digH.append( calib[31] )
-    for i in range(1,2):
-        if digT[i] & 0x8000:
-            digT[i] = (-digT[i] ^ 0xFFFF) + 1
-    for i in range(1,8):
-        if digP[i] & 0x8000:
-            digP[i] = (-digP[i] ^ 0xFFFF) + 1
-    for i in range(0,6):
-        if digH[i] & 0x8000:
-            digH[i] = (-digH[i] ^ 0xFFFF) + 1
-#温度・湿度・気圧データ格納レジスタRead
-def readData():
-    data = []
-    for i in range (0xF7, 0xF7+8):
-        data.append(bus.read_byte_data(i2c_address,i))
-    pres_raw = (data[0] << 12) | (data[1] << 4) | (data[2] >> 4)
-    temp_raw = (data[3] << 12) | (data[4] << 4) | (data[5] >> 4)
-    hum_raw  = (data[6] << 8)  |  data[7]
-    compensate_T(temp_raw)
-    compensate_P(pres_raw)
-    compensate_H(hum_raw)
-#温度データtemperature算出
-def compensate_T(adc_T):
-    global t_fine
-    ary_temp=["0,0,0,0,0,0\n" for i in range(MAX_DATA)]
-    v1 = (adc_T / 16384.0 - digT[0] / 1024.0) * digT[1]
-    v2 = (adc_T / 131072.0 - digT[0] / 8192.0) * (adc_T / 131072.0 - digT[0] / 8192.0) * digT[2]
-    t_fine = v1 + v2
-    temperature = t_fine / 5120.0
-    print("Raspi_temp : %-6.4f degree" % (temperature))
-    fp=open("/home/pi/dev/data/Raspi_temp.csv","rb")
-    line=fp.readline()
-    while line:
-        ary_temp.pop(0)
-        ary_temp.append(line)
-        line=fp.readline()
-    ary_temp.pop(0)
-    ary_temp.append(str(date.year)+","+str(date.month)+","+str(date.day)+","+str(date.hour)+","+str(date.minute)+","+str(temperature)+"\n")
-    fp.close()
-    fp=open("/home/pi/dev/data/Raspi_temp.csv","w")
-    fp.writelines(ary_temp)
-    fp.close()
-#湿度データhum算出
-def compensate_H(adc_H):
-    global t_fine
-    ary_hum=["0,0,0,0,0,0\n" for i in range(MAX_DATA)]
-    hum = t_fine - 76800.0
-    if hum != 0:
-        hum = (adc_H - (digH[3] * 64.0 + digH[4]/16384.0 * hum)) * (digH[1] / 65536.0 * (1.0 + digH[5] / 67108864.0 * hum * (1.0 + digH[2] / 67108864.0 * hum)))
-    else:
-        return 0
-    hum = hum * (1.0 - digH[0] * hum / 524288.0)
-    if hum > 100.0:
-        hum = 100.0
-    elif hum < 0.0:
-        hum = 0.0
-    print("Raspi_hum : %6.2f %%" % (hum))
-    fp=open("/home/pi/dev/data/Raspi_hum.csv","rb")
-    line=fp.readline()
-    while line:
-        ary_hum.pop(0)
-        ary_hum.append(line)
-        line=fp.readline()
-    ary_hum.pop(0)
-    ary_hum.append(str(date.year)+","+str(date.month)+","+str(date.day)+","+str(date.hour)+","+str(date.minute)+","+str(hum)+"\n")
-    fp.close()
-    fp=open("/home/pi/dev/data/Raspi_hum.csv","w")
-    fp.writelines(ary_hum)
-    fp.close()
-#Raspi_pressure
-def compensate_P(adc_P):
-    global  t_fine
-    pressure = 0.0
-    ary_pressure=["0,0,0,0,0,0\n" for i in range(MAX_DATA)]
-    v1 = (t_fine / 2.0) - 64000.0
-    v2 = (((v1 / 4.0) * (v1 / 4.0)) / 2048) * digP[5]
-    v2 = v2 + ((v1 * digP[4]) * 2.0)
-    v2 = (v2 / 4.0) + (digP[3] * 65536.0)
-    v1 = (((digP[2] * (((v1 / 4.0) * (v1 / 4.0)) / 8192)) / 8)  + ((digP[1] * v1) / 2.0)) / 262144
-    v1 = ((32768 + v1) * digP[0]) / 32768
-    if v1 == 0:
-        return 0
-    pressure = ((1048576 - adc_P) - (v2 / 4096)) * 3125
-    if pressure < 0x80000000:
-        pressure = (pressure * 2.0) / v1
-    else:
-        pressure = (pressure / v1) * 2
-    v1 = (digP[8] * (((pressure / 8.0) * (pressure / 8.0)) / 8192.0)) / 4096
-    v2 = ((pressure / 4.0) * digP[7]) / 8192.0
-    pressure = pressure + ((v1 + v2 + digP[6]) / 16.0)
-    print("Raspi_pressure : %7.2f hPa" % (pressure/100))
-    fp=open("/home/pi/dev/data/Raspi_pressure.csv","rb")
-    line=fp.readline()
-    while line:
-        ary_pressure.pop(0)
-        ary_pressure.append(line)
-        line=fp.readline()
-    ary_pressure.pop(0)
-    ary_pressure.append(str(date.year)+","+str(date.month)+","+str(date.day)+","+str(date.hour)+","+str(date.minute)+","+str(pressure/100)+"\n")
-    fp.close()
-    fp=open("/home/pi/dev/data/Raspi_pressure.csv","w")
-    fp.writelines(ary_pressure)
-    fp.close()
-init()
-get_calib_param()
-if __name__ == '__main__':
-    try:
-        readData()
-    except KeyboardInterrupt:
-        pass
 ```