DmgrOpen + DjtgEnable + DjtgSetSpeed at 4 MHz (Adept rounds to the
nearest supported, e.g. 3.75 MHz on SMT2-NC). DeInit does the reverse.
An atexit hook also forces Close on process shutdown — leaving an open
HIF when libdjtg's C++ static destructors run triggers "pure virtual
method called".
François
9ac794e36c