global.c

里面给出了ATmega103单片机编程的C语言实例程序

/* ATmega103 global.c file 

   Author : Robert Stuart 
   Company : PDL Industries Ltd
   Date of Creation : 15 July 1999
 
   Function :
   	Contains all of the global constants.
*/

const char *LCDHeader1 = "ATmega103"; 
const char *LCDHeader2 = "16x2 LCD";
const char *Calender[] = {"", "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
		      "Sep", "Oct", "Nov", "Dec"};
		      
enum
{
  SET=1,
  UP,
  DOWN,
  BUTTON_NONE
} Button;

char SystemStatus;
char ButtonStatus;
char LCDStatus;
char PowerStatus;

unsigned int CRC16;

struct TimeStruct
{
  unsigned char Second;   		/* Current time, day, month, and year */
  unsigned char Minute;
  unsigned char Hour;
  unsigned char Day;
  unsigned char Month;
  unsigned int Year;
} Time;