Refresh some configurations
Refresh some configurations
If we run out of pre-allocated watchdog times, the logic will allocate additional timers from the heap.  A reserve of pre-allocated watchdog timers is maintained so that there will always be timers available for interrupt handlers.
Update ChangeLog
Viewtool STM32F107: Turn on ARP request logic and TCP write buffering
wdog.h does not contain any application interface, only internal OS interface.  Further, it is non-standard.  Move wdog.h from include/ to include/nuttx. For the same reason, move the description of the watchdog timer interfaces from the Users Guide to the Porting Guide.
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STM32 F401: Correct support for USART6 on this chip.  From Freddie Chopin
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Add support for statically allocated watchdog timer structures
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STM32 F401:  Only 3 USARTS, but need to set STM32_NUSARTS to six because they are not numbered sequentially
An address environment is the property of a task group, not of a thread
Changes to try to get P112 to compile with laster SDCC (it still does not)
Need to release the addess environment when the task group is released
Update ChangeLog and README.txt
uintptr_t should be 64-bits under Cygwin64
Update some STM32F4Discovery configurations
Update some STM32F4Discovery configurations
A few fixes for compilation errors due to recent address environment fixes