drivers/onewire/ds18x20.py: Add support for DS1822 sensor.

DS1822P sensors behave just like the DS18B20 except for the following:
- it has a different family code: 0x22
- it has only the GND and DQ pins connected, it uses parasitic power from
  the data line

Contributed by @nebelgrau77.
This commit is contained in:
Damien George 2019-10-16 14:27:01 +11:00
parent 615d6b3c66
commit 5954387858

View File

@ -13,7 +13,7 @@ class DS18X20:
self.buf = bytearray(9)
def scan(self):
return [rom for rom in self.ow.scan() if rom[0] == 0x10 or rom[0] == 0x28]
return [rom for rom in self.ow.scan() if rom[0] in (0x10, 0x22, 0x28)]
def convert_temp(self):
self.ow.reset(True)