- added temp offset as argument

This commit is contained in:
jens
2020-12-14 20:18:17 +01:00
parent 7cac444424
commit ad6ff61eba
2 changed files with 6 additions and 7 deletions
+5 -6
View File
@@ -8,17 +8,16 @@ class TempSensor_max31865(ATemperatureSensor):
def name(self): def name(self):
return "Max31865" return "Max31865"
def __init__(self): def __init__(self, temp_offset=0):
ATemperatureSensor.__init__(self) ATemperatureSensor.__init__(self)
# Open SPI bus # Open SPI bus
self.spi = spidev.SpiDev() self.spi = spidev.SpiDev()
self.spi.open(0, 0) self.spi.open(0, 0)
self.spi.max_speed_hz = 50000 self.spi.max_speed_hz = 50000
self.spi.mode = 0b01 self.spi.mode = 0b01
self.temp_correction = -1.2 self.temp_offset = temp_offset
self.write_reg(0x00, 0xA3) self.write_reg(0x00, 0xA3)
time.sleep(0.100) time.sleep(0.100)
self.digits = 0
self.temp = self.temperature() self.temp = self.temperature()
def read_reg(self, addr): def read_reg(self, addr):
@@ -33,13 +32,13 @@ class TempSensor_max31865(ATemperatureSensor):
msb = self.read_reg(0x01) msb = self.read_reg(0x01)
lsb = self.read_reg(0x02) lsb = self.read_reg(0x02)
if lsb & 0x01 == 0x00: if lsb & 0x01 == 0x00:
self.digits = float(256*msb + lsb)/2 digits = float(256*msb + lsb)/2
self.write_reg(0x00, 0xA3) self.write_reg(0x00, 0xA3)
return self.digits return digits
def temperature(self): def temperature(self):
return self.__tempRaw() + self.temp_correction return self.__tempRaw() + self.temp_offset
def __tempRaw(self): def __tempRaw(self):
try: try:
+1 -1
View File
@@ -8,4 +8,4 @@ class TempSensorFactory:
return TempSensorSim() return TempSensorSim()
elif "31865" in name: elif "31865" in name:
from components.sensor.tempSensor_max31865 import TempSensor_max31865 from components.sensor.tempSensor_max31865 import TempSensor_max31865
return TempSensor_max31865() return TempSensor_max31865(temp_offset=-1.2)