电话计费器程序/*信号定义: clk: 时钟信号,本例中其频率值为1Hz; decide: 电话局反馈回来的信号,代表话务种类,“01”表示市话,“10”表示 长话,“11”表示特话; dispmoney: 用来显示卡内余额,其单位为角,这里假定能显示的最大数额为50 元 (500 角); disptime: 显示本次通话的时长; write,read: 当write 信号下降沿到来时写卡,当话卡插入,read 信号变高时读卡; warn: 余额过少时的告警信号。本例中,当打市话时,余额少于3 角,打长 话时,余额少于6 角,即会产生告警信号; cut: 当告警时间过长时自动切断通话信号。 */
上传时间: 2014-01-15
上传用户:hewenzhi
Introduce how to write usb driver for linux
标签: Introduce driver linux write
上传时间: 2015-07-19
上传用户:fredguo
header file of the specific codes for LPC2100 target boards user may modify it as ne
标签: specific header boards modify
上传时间: 2013-12-11
上传用户:h886166
header file of the specific codes for LPC2100 target boards , user may modify it as ne
标签: specific header boards modify
上传时间: 2014-01-16
上传用户:牛布牛
DSPack is a set of Components and class to write Multimedia Applications using MS Direct Show and DirectX technologies. DSPack is designed to work with DirectX 9 on Win9X, ME, 2000, and Windows XP operating systems. Now VMR (Video Mixing Renderer) is available on all Windows Operating Systems. DSPack 2 is designed to work with Delphi 5,6,7 and CPP
标签: Applications Components Multimedia and
上传时间: 2015-07-20
上传用户:hanli8870
material of MySQL ,with the envermental of PHP. read the file and you will become a right MySQL programer
标签: MySQL envermental the material
上传时间: 2015-07-23
上传用户:lizhen9880
That book tell you how to write code effective and learn it .it s better for your time.
标签: effective better learn write
上传时间: 2015-07-23
上传用户:himbly
Write Great Code 的第一卷 Understanding the Machine 第一卷用语言无关的方式告诉程序员写出很好的代码所需要的知识,而不需要了解具体的汇编语言
标签: Understanding Machine Write Great
上传时间: 2013-12-06
上传用户:wff
write the floppy disk logical parter
标签: logical floppy parter write
上传时间: 2014-01-18
上传用户:450976175
This the first cellphone worm with source code available in the world ! Do you can modify, rename, delete, insert any code...
标签: the cellphone available source
上传时间: 2015-08-03
上传用户:xiaohuanhuan