Merge pull request #139 from Bit-Mac/Bit-Mac-patch-1

Fix for negative temperatures on DS3231
adafruit · Mar 27, 2020 · 3eaf0ca · 3eaf0ca
2 parents b20cbb6 + 41d113c
commit 3eaf0ca
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/RTClib.cpp b/RTClib.cpp
@@ -1061,7 +1061,8 @@ void RTC_DS3231::writeSqwPinMode(Ds3231SqwPinMode mode) {
 /**************************************************************************/
 float RTC_DS3231::getTemperature()
 {
-  uint8_t msb, lsb;
+  uint8_t lsb;
+  int8_t msb;
   Wire.beginTransmission(DS3231_ADDRESS);
   Wire._I2C_WRITE(DS3231_TEMPERATUREREG);
   Wire.endTransmission();