Hi, i'm working on a AT91SAM7X-EK development board, and i'm trying to figure out if the normal at91 watchdog behavior can be changed or workarounded because:
"The Watchdog Mode Register (WDT_MR) can be written only once. Only a processor reset resets it. Writing the WDT_MR register reloads the timer with the newly programmed mode parameters."
due to this feature, if i disable watchdog on start up, i'm not able to turn in on anymore until the next reset. What i want to do is disable watchdog on startup, and then turn it on later (on a custom received can message). but the as the datasheet says, after writing to the register to disable watchdog, the following command to turn it on is ignored. what can i do? is there a way to workaround this (imho stupid) behavior?
best regards Andrea