51 microcontroller program, simply long press short press, program code with explanation.

长按\avoid_upE.h
....\TKEY
....\tkey.c
....\TKEY.hex
....\TKEY.lnp
....\tkey.LST
....\TKEY.M51
....\tkey.OBJ
....\TKEY.plg
....\TKEY.uvopt
....\TKEY.uvproj
....\tkey1.c
....\tkey1.LST
....\tkey1.OBJ
....\tkey2.c
....\tkey2.LST
....\tkey2.OBJ
....\tkey3.c
....\tkey3.LST
....\tkey3.OBJ
....\TKEY_uvopt.bak
....\TKEY_uvproj.bak
长按

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