set element size on first non-zero write when time is set
set element size on first non-zero write when time is set

* cleanup logic
* comments
* return codes

myriadrf/LimeSuite,romeojulietthotel/LimeSuite,romeojulietthotel/LimeSuite,limemicro/lms7suite,limemicro/lms7suite,limemicro/lms7suite,myriadrf/LimeSuite,myriadrf/LimeSuite,limemicro/lms7suite,limemicro/lms7suite,myriadrf/LimeSuite,romeojulietthotel/LimeSuite,romeojulietthotel/LimeSuite,myriadrf/LimeSuite,romeojulietthotel/LimeSuite