DS3231 RTC implementation for NervesTime
To configure NervesTime to use this module, update the :nerves_time application
environment like this:
config :nerves_time, rtc: NervesTime.RTC.DS3231If not using "i2c-1" or the default I2C bus address, specify them like this:
config :nerves_time, rtc: {NervesTime.RTC.DS3231, [bus_name: "i2c-2", address: 0x69]}Check the logs for error messages if the RTC doesn't appear to work.
See https://datasheets.maximintegrated.com/en/ds/DS3231.pdf for implementation details.
Summary
Functions
Reads an alarm register.
Reads the control register.
Reads the status register.
Reads the temperature register.
Writes an alarm register.
Writes the control register.
Writes the status register.
Types
Functions
Reads an alarm register.
Reads the control register.
Reads the status register.
Reads the temperature register.
Writes an alarm register.
Writes the control register.
Writes the status register.