Changed isAlarm() for issue #24

Zanduino · May 14, 2023 · 6c56876 · 6c56876
1 parent 9a1f712
commit 6c56876
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/DS3231M.cpp b/src/DS3231M.cpp
@@ -456,8 +456,10 @@ bool DS3231M_Class::isAlarm() {
  @brief return whether either of the two alarms has been triggered
  @return true if either of the 2 alarms is triggered, otherwise false
  */
- return (readByte(DS3231M_STATUS) & 3); // Alarm if either of 2 LSBits set
-} // of method isAlarm()
+ uint8_t controlByte = readByte(DS3231M_CONTROL);
+ unit8_t statusByte = readByte(DS3231M_STATUS);
+ return ((controlByte & 0xFE) && (statusByte & 0xFE)) | 
+ ((controlByte & 0xFD) && (statusByte & 0xFD))} // of method isAlarm()
 void DS3231M_Class::clearAlarm() {
  /*!
  @brief Clear a set alarm by re-writing the same contents back to the register