true noInterrupts() interrupts() support #200
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plus expose cycle count for bit bang timing
due to the rsil requirement that the level be a constant, the method was moved into a macro
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igrr
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true noInterrupts() interrupts() support
igrr
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Oct 29, 2015
true noInterrupts() interrupts() support
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replaces #192
This will expose the inherent cpu instruction cycle count, which is handy for bit bang timing.
Further, this fixes the interrupts() and noInterrupts() routines to honor original intent.
Due to the priority interrupt system on the chip, it supports the ability to suppress interrupts at different levels. The levels are from 0 to 14, where most are on 0, but some of the WiFi is done on 14.
The current implementation of noInterrupts() doesn't block level 14 interrupts, causing routines that rely on not being interrupted to malfunction. This change will honor the original intent of noInterrupts().
This was refactored to expose the ability to change the level of interrupt suppressing by using the ex_disable_interrupts macro directly (advanced user)