[Oberon] Real-time Clock Support for RISC5 FPGA Oberon
joerg.straube at iaeth.ch
Sat Nov 18 07:06:31 CET 2017
I did the same as follows:
Install a task in Oberon loop to increment Kernel.clock. Improved by periodically align to time from NTP.
Von: Oberon <oberon-bounces at lists.inf.ethz.ch> im Auftrag von Chris Burrows <chris at cfbsoftware.com>
Antworten an: <chris at cfbsoftware.com>, ETH Oberon and related systems <oberon at lists.inf.ethz.ch>
Datum: Samstag, 18. November 2017 um 01:21
An: ETH Oberon and related systems <oberon at lists.inf.ethz.ch>
Betreff: [Oberon] Real-time Clock Support for RISC5 FPGA Oberon
We have now added real-time time and date support for RISC5 FPGA Project Oberon systems by connecting them to a Maxim DS3234 RTC chip via the SPI interface. This device includes a battery backup system and keeps time with an accuracy of +/- 2 minutes per year.
The RTC feature enables automatic timestamping for Project Oberon files, and allows the implementation of remote datalogging applications and any other applications that rely on accurate timekeeping.
The source code and all the implementation details are included in the Astrobe for RISC5 section of the Astrobe Forum:
-- Oberon at lists.inf.ethz.ch mailing list for ETH Oberon and related systems https://lists.inf.ethz.ch/mailman/listinfo/oberon
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