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Diffstat (limited to 'src/home/temphum/dht12.py')
-rw-r--r-- | src/home/temphum/dht12.py | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/src/home/temphum/dht12.py b/src/home/temphum/dht12.py deleted file mode 100644 index d495766..0000000 --- a/src/home/temphum/dht12.py +++ /dev/null @@ -1,22 +0,0 @@ -from .base import I2CTempHumSensor - - -class DHT12(I2CTempHumSensor): - i2c_addr = 0x5C - - def _measure(self): - raw = self.bus.read_i2c_block_data(self.i2c_addr, 0, 5) - if (raw[0] + raw[1] + raw[2] + raw[3]) & 0xff != raw[4]: - raise ValueError("checksum error") - return raw - - def temperature(self) -> float: - raw = self._measure() - temp = raw[2] + (raw[3] & 0x7f) * 0.1 - if raw[3] & 0x80: - temp *= -1 - return temp - - def humidity(self) -> float: - raw = self._measure() - return raw[0] + raw[1] * 0.1 |