Initial commitHEADmaster

1 files changed, 26 insertions, 0 deletions

diff --git a/dev_scripts/bme280_sensor.py b/dev_scripts/bme280_sensor.py
new file mode 100644
index 0000000..c117a40
--- /dev/null
+++ b/dev_scripts/bme280_sensor.py
@@ -0,0 +1,26 @@
+import bme280
+from smbus import SMBus
+import time
+port = 1
+address = 0x76 # BME280 address
+bus = SMBus(port)
+bme280.load_calibration_params(bus,address)
+altitude = 97
+
+
+def bme280Read():
+    bme280_data = bme280.sample(bus,address)
+    humidity  = bme280_data.humidity
+    relPressure  = bme280_data.pressure
+    ambient_temperature = bme280_data.temperature
+    absPressure = relPressure + (altitude/8.3)
+    #print(humidity, pressure, ambient_temperature)
+    # TODO calculate air pressure at sea level
+    return bme280_data.humidity, bme280_data.pressure, bme280_data.temperature, absPressure
+
+# test loop
+"""
+while True:
+    bme280Read()
+    time.sleep(1)
+"""