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[SCM] CRC-CCITT-tab DL : 0: 一个生成反相CRC-CCITT校验码表的单片机C程序，反相CRC-CCITT＝ 0x8408,开发环境为Keil C51-a generation RP-CRC-CCITT CRC table of SCM C procedures, RP-CRC-CCITT = 0x8408, the development environment for Keil C51
Date : 2025-12-17 Size : 12kb User : 吴健
[SCM] music DL : 0: 单片机播放音乐实验（汇编） org 0000h ajmp main org 000bh ajmp timer0 org 0030h timer0: clr ea djnz 33h,exit mov 33h,53h djnz 32h,exit mov 32h,52h djnz 31h,exit1 mov 31h,51h djnz 30h,exit1 setb f0 ajmp exit exit1: cpl p2.1 exit: setb ea reti main: mov tmod,#02h mov ie,#82h mov th0,#254 mov tl0,#254 mov dptr,#tab main1: mov 40h,#00h-Singlechip play music Experiment (compilation) org 0000hajmp mainorg 000bh ajmp timer0org 0030htimer0: clr eadjnz 33h, exitmov 33h, 53hdjnz 32h, exitmov 32h, 52hdjnz 31h, exit1mov 31h, 51hdjnz 30h, exit1setb f0ajmp exitexit1: cpl p2.1exit: setb earetimain : mov tmod,# 02hmov ie,# 82hmov th0,# 254mov tl0,# 254mov dptr,# tabmain1: mov 40h,# 00h
Date : 2025-12-17 Size : 17kb User : 微微
[SCM] sjxt DL : 1: 计算机锁机系统由软件和硬件组成。软件由Visual Basic 6.0编写。硬件主要由无线发送模块和单片机（C语言编写）构成。通过RS232界面与PC通信而实现无线控制系统。主要功能是：对PC的定时“锁机”、“开锁”和关机，以及通过“遥控器”对PC的锁定和控制。 PC锁定主要是防止别人在您离开后对您的PC的数据破坏和系统操作（即使按下Ctrl+Alt+Del或Alt+Tab也无法破解。）。 PC控制是通过“控制器”控制PC的关机、重启、开/关显示器、光驱的打开/关闭和静音。 -Lock computer system software and hardware components from. Software prepared by the Visual Basic 6.0. Sent by the wireless hardware modules and single-chip (C language) composition. PC through the RS232 communication interface with the wireless control system. Main functions are: the timing of the PC " lock machine" , " unlock" and shuts down, as well as through the " remote control" of the PC-lock and control. PC is locked to prevent other people after you leave your PC data destruction and system operation (even if press Ctrl+ Alt+ Del, or Alt+ Tab will not crack.). PC control is through the " controller" control PC shutdown, restart, on/off display, the drive on/off and mute.
Date : 2025-12-17 Size : 2.26mb User : 吴成勇