3diy
/
klipper
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

bme280: Implement support for min_temp/max_temp checks 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-02-01 11:27:16 -05:00
parent 55185e9a7e
commit a15952770b
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
klippy/extras/bme280.py
View File

@ -32,6 +32,7 @@ class BME280:
self.os_hum = config.getint('bme280_oversample_hum', 2) self.os_hum = config.getint('bme280_oversample_hum', 2)
self.os_pres = config.getint('bme280_oversample_pressure', 2) self.os_pres = config.getint('bme280_oversample_pressure', 2)
self.temp = self.pressure = self.humidity = self.t_fine = 0. self.temp = self.pressure = self.humidity = self.t_fine = 0.
self.min_temp = self.max_temp = 0.
self.max_sample_time = \ self.max_sample_time = \
(1.25 + (2.3 * self.os_temp) + ((2.3 * self.os_pres) + (1.25 + (2.3 * self.os_temp) + ((2.3 * self.os_pres) +
.575) + ((2.3 * self.os_hum) + .575)) / 1000 .575) + ((2.3 * self.os_hum) + .575)) / 1000
@ -48,7 +49,8 @@ class BME280:
self.reactor.update_timer(self.sample_timer, self.reactor.NOW) self.reactor.update_timer(self.sample_timer, self.reactor.NOW)
def setup_minmax(self, min_temp, max_temp): def setup_minmax(self, min_temp, max_temp):
pass self.min_temp = min_temp
self.max_temp = max_temp
def setup_callback(self, cb): def setup_callback(self, cb):
self._callback = cb self._callback = cb
@ -135,6 +137,10 @@ class BME280:
self.temp = self._compensate_temp(temp_raw) self.temp = self._compensate_temp(temp_raw)
self.pressure = self._compensate_pressure(pressure_raw) / 100. self.pressure = self._compensate_pressure(pressure_raw) / 100.
self.humidity = self._compensate_humidity(humid_raw) self.humidity = self._compensate_humidity(humid_raw)
if self.temp < self.min_temp or self.temp > self.max_temp:
self.printer.invoke_shutdown(
"BME280 temperature %0.1f outside range of %0.1f:%.01f"
% (self.temp, self.min_temp, self.max_temp))
measured_time = self.reactor.monotonic() measured_time = self.reactor.monotonic()
self._callback(self.mcu.estimated_print_time(measured_time), self.temp) self._callback(self.mcu.estimated_print_time(measured_time), self.temp)
return measured_time + REPORT_TIME return measured_time + REPORT_TIME