这是一个基于硬件平台s3c44B0和操作系统为ucos的矩阵键盘的程序，可以移植到自己的系统中。-This is a hardware-based platform and operating system for uCOS S3C44B0 matrix keyboard procedures, can be transferred to your system.

这是一个基于硬件平台s3c44B0和操作系统为ucos的矩阵键盘的程序，可以移植到自己的系统中。-This is a hardware-based platform and operating system for uCOS S3C44B0 matrix keyboard procedures, can be transferred to your system.

ucos操作系统 内有一些测试程序ad、da、IIC、sd、总线控制的4x4矩阵键盘-ucos operating system there are some test programs ad, da, IIC, sd, bus control of the 4x4 matrix keyboard