Thinking in C++(Second Edition),Volume One:Introduction to Standard C++
國外經(jīng)典C++原版書庫《C++編程思想(第2版)第1卷：標準C++導引》/(美)埃克爾(Eckel,B)著；劉宗田等譯 十分經(jīng)典、難得！
DESCRIPTION : BIN to seven segments converter
-- segment encoding
-- a
-- +---+
-- f | | b
-- +---+ <- g
-- e | | c
-- +---+
-- d
-- Enable (EN) active : high
-- Outputs (data_out) active : low
