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Keyboard_Scan2
- This Application Note describes programming techniques implemented on the AT91 ARM-based microcontroller for scanning a 4x4 Keyboard matrix usually found in both consumer and industrial applications for numeric data entry.
TQ2440_Test
- arm9 s3c2440 ,tq2440的LCD显示函数，除图像，还有字符串，数值显示（光盘没有的）。 -arm9 s3c2440, tq2440 of the LCD display function, in addition to the image, as well as a string, numeric display (CD-ROM does not have).
testKeyboard-and-Led-show
- 4*4 行列式键盘和对应LED 显示数值-4* 4 determinant LED display numeric keyboard and the corresponding
RTCclockPrj
- 基于STM32, 1、数码管或液晶显示时钟，显示时分即可，中间的两个发光管 3种模式：实时时钟（发光管秒闪），修改时钟（发光管灭）， 设定闹钟（发光管亮）；10秒未操作自动回到实时时钟显示； 2、采用RTC实时时钟功能，断电走时 3、四个按键切换显示模式和设定数值，功能定义分别为： Wake up模式键、KEY0右移、KEY1加1； 4、能同时用按键和红外遥控器修改时钟和设定闹钟， 遥控器要求能用数字键直接设置； 按键音和闹铃通过蜂鸣器或喇叭输出。
U32toStr
- 将无符号32位整型数据转换为相应数字字符串，结果存放在长度为11的数组中。-The unsigned 32-bit integer data is converted into the corresponding numeric string, the result is stored in an array of length 11.