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: Reusing PGC & PGD pins
I connect the ICSP port on the PCB to the ICSP pins of the controller directly. The Pins in turn go to the rest of your circuitry via resistors so that you do not need programming jumpers to perform...
Jerson Today, 02:54