Convert negative gas resistance readings to unsigned int32

2017-12-01 14:08:40 +00:00 · 2017-12-01 14:08:40 +00:00 · 888d8b312a
parent 288daed781
commit 888d8b312a
1 changed files with 3 additions and 0 deletions
--- a/library/bme680/init.py
+++ b/library/bme680/init.py
@ -354,6 +354,9 @@ class BME680(BME680Data):
        var3 = ((lookupTable2[gas_range] * var1) >> 9)
        calc_gas_res = ((var3 + (var2 >> 1)) / var2)

+        if calc_gas_res < 0:
+            calc_gas_res = (1<<32) + calc_gas_res
+
        return calc_gas_res

    def _calc_heater_resistance(self, temperature):