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esp8266/modules: Move dht.py driver to drivers/dht directory.

pull/3572/merge
Damien George 7 years ago
parent
commit
a40ce1d829
  1. 32
      drivers/dht/dht.py
  2. 2
      ports/esp32/modules/dht.py
  3. 32
      ports/esp8266/modules/dht.py
  4. 1
      ports/esp8266/modules/dht.py

32
drivers/dht/dht.py

@ -0,0 +1,32 @@
# DHT11/DHT22 driver for MicroPython on ESP8266
# MIT license; Copyright (c) 2016 Damien P. George
import esp
class DHTBase:
def __init__(self, pin):
self.pin = pin
self.buf = bytearray(5)
def measure(self):
buf = self.buf
esp.dht_readinto(self.pin, buf)
if (buf[0] + buf[1] + buf[2] + buf[3]) & 0xff != buf[4]:
raise Exception("checksum error")
class DHT11(DHTBase):
def humidity(self):
return self.buf[0]
def temperature(self):
return self.buf[2]
class DHT22(DHTBase):
def humidity(self):
return (self.buf[0] << 8 | self.buf[1]) * 0.1
def temperature(self):
t = ((self.buf[2] & 0x7f) << 8 | self.buf[3]) * 0.1
if self.buf[2] & 0x80:
t = -t
return t

2
ports/esp32/modules/dht.py

@ -1 +1 @@
../../esp8266/modules/dht.py
../../../drivers/dht/dht.py

32
ports/esp8266/modules/dht.py

@ -1,32 +0,0 @@
# DHT11/DHT22 driver for MicroPython on ESP8266
# MIT license; Copyright (c) 2016 Damien P. George
import esp
class DHTBase:
def __init__(self, pin):
self.pin = pin
self.buf = bytearray(5)
def measure(self):
buf = self.buf
esp.dht_readinto(self.pin, buf)
if (buf[0] + buf[1] + buf[2] + buf[3]) & 0xff != buf[4]:
raise Exception("checksum error")
class DHT11(DHTBase):
def humidity(self):
return self.buf[0]
def temperature(self):
return self.buf[2]
class DHT22(DHTBase):
def humidity(self):
return (self.buf[0] << 8 | self.buf[1]) * 0.1
def temperature(self):
t = ((self.buf[2] & 0x7f) << 8 | self.buf[3]) * 0.1
if self.buf[2] & 0x80:
t = -t
return t

1
ports/esp8266/modules/dht.py

@ -0,0 +1 @@
../../../drivers/dht/dht.py
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