库文件
#include "stdlib.h"//字符转数字int atoi (const char * str);
void Get_Compile_Time(uint8_t *Year, uint8_t *Month, uint8_t *Day)
{
const char *pMonth[] = {"Jua", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
const char Date[12] = __DATE__;//取编译时间
uint8_t i;
for(i = 0; i < 12; i++)if(memcmp(Date, pMonth[i], 3) == 0)*Month = i + 1, i = 12;
*Year = (uint8_t)atoi(Date + 9); //Date[9]为2位年份,Date[7]为完整年份
*Day = (uint8_t)atoi(Date + 4);
}
调用方法
uint8_t Year, Month, Day;
char *Str;
Get_Compile_Time(&Year, &Month, &Day);//取编译时间
sprintf(Str, "V%d.%d.%d", Year, Month, Day);//任意格式化