key_display.h

基于PIC16F877 温湿度控制器原代码及原理图PCB图

struct Key_data
{
  #define   KEY_DELY       10 //20mS
  char     Key_dely;   //去抖时间
  #define   UP_KEY       0x55
  #define   DOWN_KEY     0xaa
  #define   ENTER_KEY    0x5a
  #define   CANCEL_KEY   0xa5
  #define    SET_KEY     0x35
  #define   NO_KEY       0x00
  char     Key_value;  //当前按下的键值
  #define   KEY_UP       0x00
  #define   KEY_DOWN     0x55
  char     Key_state;  //当前按键的状态
  char     Key_down;   //当前按下的键
//  #define   N0_KEYDELY   3000  //2S
  #define   KEYDELY      1000  //2S
  #define    LCDCT_ON    1
  #define    LCDCT_OFF   0 
  unsigned int No_keydely; 
}