Need to know the time - accurately for your next project?
The code below allows your PIC to log into a network timeserver and it (eventually) writes the time to a Dallas RTC (code not supplied).
The PIC checks the NET TIME every power-up and thereafter every 4 hours. If it doesn't make connection, it tries an alternate time server. If THAT doesn't work (after retries) it gives up and tries again 4 hours later. A Lantronix XPort handles the connection to the net.
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Re: Temp variables exceeding LastTvar "Increase the MaxTvars constant"
timestamps as used on mainframes/unix etc are imho the simplest,easiest and most efficient way to measure time periods accurately. they work marvelously on pic micros too, i have tried to...
richard Today, 05:47