Python hi_nibble Examples

Example #1

def wtgr800_anemometer(part, message, p):
    dirno = hi_nibble(p[4])
    speed = lo_nibble(p[7]) * 10 + hi_nibble(p[6]) + lo_nibble(p[6]) / 10.0
    avgspeed = hi_nibble(p[8]) * 10 + lo_nibble(p[8]) + hi_nibble(p[7]) / 10.0
    message['source'] = message['sensor'] = part
    message['dir'] = dirno
    message['speed'] = speed
    message['avgspeed'] = avgspeed

Example #2

File: oregon.py Project: barnybug/pyrfxcom

def wtgr800_anemometer(part, message, p):
    dirno = hi_nibble(p[4])
    speed = lo_nibble(p[7]) * 10 + hi_nibble(p[6]) + lo_nibble(p[6]) / 10.0
    avgspeed = hi_nibble(p[8]) * 10 + lo_nibble(p[8]) + hi_nibble(p[7]) / 10.0
    message['source'] = message['sensor'] = part
    message['dir'] = dirno
    message['speed'] = speed
    message['avgspeed'] = avgspeed

Example #3

def pcr800_rain(part, message, p):
    message['source'] = message['sensor'] = '%s.%02x' % (part, p[3])
    rain = (lo_nibble(p[6]) * 10 + hi_nibble(p[5]) + lo_nibble(p[5]) / 10.0 +
            hi_nibble(p[4]) / 100.0)
    rain *= 25.4  # convert from inch/hr to mm/hr

    train = (lo_nibble(p[9]) * 100 + dec_byte(p, 8) + dec_byte(p, 7) / 100.0 +
             hi_nibble(p[6]) / 1000.0)
    train *= 25.4  # convert from inch/hr to mm/hr

    message['speed'] = rain
    message['total'] = train
    simple_battery(p, message)

Example #4

File: oregon.py Project: barnybug/pyrfxcom

def pcr800_rain(part, message, p):
    message['source'] = message['sensor'] = '%s.%02x' % (part, p[3])
    rain = (lo_nibble(p[6])*10 +
        hi_nibble(p[5]) + lo_nibble(p[5])/10.0 +
        hi_nibble(p[4])/100.0)
    rain *= 25.4 # convert from inch/hr to mm/hr
    
    train = (lo_nibble(p[9])*100 +
      dec_byte(p, 8) + dec_byte(p, 7)/100.0 +
        hi_nibble(p[6])/1000.0)
    train *= 25.4 # convert from inch/hr to mm/hr
    
    message['speed'] = rain
    message['total'] = train
    simple_battery(p, message)

Example #5

def checksum1(p):
    c = hi_nibble(p[6]) + (lo_nibble(p[7])<<4)
    s = ( ( nibble_sum(6, p) + lo_nibble(p[6]) - 0xa) & 0xff)
    return s == c

Example #6

def humidity(p, message):
    hum = lo_nibble(p[7])*10 + hi_nibble(p[6])
    message['humidity'] = hum

Example #7

def temperature(p, message):
    temp = (((p[6]&0x8) and -1 or 1) *
        (hi_nibble(p[5])*10.0 + lo_nibble(p[5]) +
         hi_nibble(p[4])/10.0))
    message['temp'] = temp

Example #8

def checksum8(p):
    c = hi_nibble(p[9]) + (lo_nibble(p[10])<<4)
    s = ( ( nibble_sum(9, p) - 0xa) & 0xff)
    return s == c

Example #9

def checksum6(p):
    return (hi_nibble(p[8])+(lo_nibble(p[9])<<4) ==
      ((nibble_sum(8, p) - 0xa) & 0xff))

Example #10

File: oregon.py Project: barnybug/pyrfxcom

def checksum1(p):
    c = hi_nibble(p[6]) + (lo_nibble(p[7])<<4)
    s = ( ( nibble_sum(6, p) + lo_nibble(p[6]) - 0xa) & 0xff)
    return s == c

Example #11

File: oregon.py Project: barnybug/pyrfxcom

def humidity(p, message):
    hum = lo_nibble(p[7])*10 + hi_nibble(p[6])
    message['humidity'] = hum

Example #12

File: oregon.py Project: barnybug/pyrfxcom

def temperature(p, message):
    temp = (((p[6]&0x8) and -1 or 1) *
        (hi_nibble(p[5])*10.0 + lo_nibble(p[5]) +
         hi_nibble(p[4])/10.0))
    message['temp'] = temp

Example #13

File: oregon.py Project: barnybug/pyrfxcom

def checksum8(p):
    c = hi_nibble(p[9]) + (lo_nibble(p[10])<<4)
    s = ( ( nibble_sum(9, p) - 0xa) & 0xff)
    return s == c

Example #14

File: oregon.py Project: barnybug/pyrfxcom

def checksum6(p):
    return (hi_nibble(p[8])+(lo_nibble(p[9])<<4) ==
      ((nibble_sum(8, p) - 0xa) & 0xff))