wince5.0 数字键盘驱动程序，矩阵键盘输入源代码,wince5.0 digital keyboard driver, keyboard input source matrix

WINCE 5.0下矩阵键盘测试程序， EVC4.0下测试通过！-WINCE 5.0 keyboard test procedure under the matrix, EVC4.0 test passed!

S3C2440平台下的Windows CE 矩阵键盘驱动程序。支持4×3键盘整列，很容易扩展成其他整列。并且经测试可以支持CE5和CE6平台。-S3C2440 platform under the Windows CE matrix keyboard driver. 4 × 3 keypad support an entire column, it is easily extended into a whole other column. And tested to support CE5 an