Lpc2000

Hi all.

I am trying to enable the watchdog but the result is a total hang of the 
board. Not even the bootloader is possible to reach after the crash and 
I have to reapply power with P0.14 low to get access to the botloader 
again. Reset is not enough.

The code to initialize the watchdog is

    // initialize the watchdog timer
    WDTC = 0xffffffff; // 15000000;                        // One second 
= 15000000
    WDMOD = WDEN | WDRESET;                    // Activate watchdog
    WDFEED = 0xAA; WDFEED = 0x55;

I must have misunderstood the WD functionality. What am I doing wrong? 
In the above code the watchdog should not trigger until 5 minutes 
elapsed so even if a vector should be wrong the code that follow should 
run for a while but as soon as I write to the WDMOD register I get a hang.

/Ake

-- 
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Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
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