See the MSP430x1xx User's Guide. You can output ACLK, the 32768Hz clock, to a pin on the microcontroller.
-Joe On 6/15/06, giovanni gamba <[EMAIL PROTECTED]> wrote:
Hi all, i'm trying to get precise timestamping measurement on Tmote Sky. I get a 32 bit timestamp based on my 32Khz timer. I acquire data and, in Java, divide the 32 bit value by the 32768 value (the nominal frequency of crystal). I would like to measure the clock based on the crystal (to see how it follow the nominal value), but how can i do? Is there a method to drive the clock signal to an external pin? I've tryed to use an alarm32 module with a startNow(1) command, but it seems to be using all the Mote resources (nothing else work) and when the mote is in a stand-by state (not tx or rx) the oscilloscope connected to the pin shows a clock signal of about 5 Khz (not 16 KHz like i expected) with a large jigger. Thank you very much Giovanni _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
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