AVR单片机M16_PS2键盘驱动程

#include "PS2_M16.h" unsigned char cKeyIn; /* 键值 */ unsigned char cDisNum = 0; /* 显示用指针 */ unsigned char iBitCount = 0; /* 中断次数计数 */ unsigned char flg_AllKeyIN = 0; /* 已收到整个字符标志 */ unsigned char flg_AllKeyIN; /* 已收到整个字符标志 */ unsigned char flg_KeyDown=0; /* 键按下标识，1-->按下 */ unsigned char flg_Shift = 0; /* Shift键按下标识 */ unsigned char cCaps =0; /* CapsLock状态 */ /* 没有按下｛shift｝的键值表 */ unsigned char UnShifted[PS2KEYROWMAX][PS2KEYCOLMAX] = { 0x1C, 'a', 0x32, 'b', 0x21, 'c', 0x23, 'd', 0x24, 'e', 0x2B, 'f', 0x34, 'g', 0x33, 'h', 0x43, 'i', 0x3B, 'j', 0x42, 'k', 0x4B, 'l', 0x3A, 'm', 0x31, 'n', 0x44, 'o', 0x4D, 'p', 0x15, 'q', 0x2D, 'r', 0x1B, 's', 0x2C, 't', 0x3C, 'u', 0x2A, 'v', 0x1D, 'w', 0x22, 'x', 0x35, 'y', 0x1A, 'z', 0x45, '0', 0x16, '1', 0x1E, '2', 0x26, '3', 0x25, '4', 0x2E, '5', 0x36, '6', 0x3D, '7', 0x3E, '8', 0x46, '9', 0x0E, '`', 0x4E, '-', 0x55, '=', 0x5D, '\\', 0x29, ' ', 0x54, '[', 0x5B, ']', 0x4C, ';', 0x52, '\'', 0x41, ',', 0x49, '.', 0x4A, '/', 0x71, '.', 0x70, '0', 0x69, '1', 0x72, '2', 0x7A, '3', 0x6B, '4', 0x73, '5', 0x74, '6', 0x6C, '7', 0x75, '8', 0x7D, '9' };