文件名称:mima
- 所属分类:
- 其他嵌入式/单片机内容
- 资源属性:
- [Text]
- 上传时间:
- 2014-07-03
- 文件大小:
- 3kb
- 下载次数:
- 0次
- 提 供 者:
- 张**
- 相关连接:
- 无
- 下载说明:
- 别用迅雷下载,失败请重下,重下不扣分!
介绍说明--下载内容均来自于网络,请自行研究使用
用S3CEV40试验箱上小键盘和超级终端,设计一个简易密码键盘,键盘布局如图所示,
要求:
1. 输入密码时,只显示“*”,
2. 密码位数为6位,超过六位后,不再显示,但输入有效
3. 按下“确认”键后(该键位不显示),与预留密码进行比较
4. 比较正确,显示“OK!”,否则显示“Error!”
5. 连续三次错误后,锁定键盘
-S3CEV40 chamber with the keypad and super terminal, designed a simple password keyboard, the keyboard layout as shown,
Claim:
1 When you enter a password, only the "*",
2 to 6 digit password, after more than six, no longer displayed, but enter a valid
3 Press the "OK" button (the keys are not displayed), and the password is compared reserved
4 more accurate display "OK!", Otherwise it displays "Error!"
5 After three consecutive errors, lock the keypad
要求:
1. 输入密码时,只显示“*”,
2. 密码位数为6位,超过六位后,不再显示,但输入有效
3. 按下“确认”键后(该键位不显示),与预留密码进行比较
4. 比较正确,显示“OK!”,否则显示“Error!”
5. 连续三次错误后,锁定键盘
-S3CEV40 chamber with the keypad and super terminal, designed a simple password keyboard, the keyboard layout as shown,
Claim:
1 When you enter a password, only the "*",
2 to 6 digit password, after more than six, no longer displayed, but enter a valid
3 Press the "OK" button (the keys are not displayed), and the password is compared reserved
4 more accurate display "OK!", Otherwise it displays "Error!"
5 After three consecutive errors, lock the keypad
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下载文件列表
优化密码键盘.txt