pile_com_stm32/main_old/stm32/utils.c

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
#include "utils.h"
#include <stdio.h>
#include <string.h>
int GetCompileDateTime(uint16_t *DateTime)
{
    const int  MONTH_PER_YEAR=13;
    static char szEnglishMonth[][4] = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
    char szTmpDate[40]= {0};
    char szTmpTime[20]= {0};
    char szMonth[4]= {0};
    int iYear,iMonth,iDay,iHour,iMin,iSec;//,,
    int i;
    //获取编译日期、时间
    sprintf(szTmpDate,"%s",__DATE__); //"Sep 18 2010"
    sprintf(szTmpTime,"%s",__TIME__);    //"10:59:19"

    sscanf(szTmpDate,"%s %d %d",szMonth,&iDay,&iYear);
    sscanf(szTmpTime,"%d:%d:%d",&iHour,&iMin,&iSec);

    for(i=0; MONTH_PER_YEAR; i++)
    {
        if(strncmp(szMonth,szEnglishMonth[i],3)==0)
        {
            iMonth=i+1;
            break;
        }
    }

    //printf("%d,%d,%d,%d,%d,%d\n",iYear,iMonth,iDay,iHour,iMin,iSec);
    //sprintf(szDateTime,"%04d-%02d-%02d %02d:%02d:%02d",iYear,iMonth,iDay,iHour,iMin,iSec);
    DateTime[0] = iYear;
    DateTime[1] = iMonth*100;
    DateTime[1] += iDay;
    DateTime[2] = iHour*100;
    DateTime[2] += iMin;
    return 0;
}

uint32_t TickDiff(uint32_t comptime) 
{
	uint32_t nowtime = xTaskGetTickCount();
	if(nowtime >= comptime)
		return (nowtime - comptime);
	else
		return (0 - (comptime - nowtime));
}

int scale(int raw, int raw_min, int raw_max,int eng_min, int eng_max)
{
    int result = 0;
    if(raw_max != raw_min)
    {
        result = (raw - raw_min) * (eng_max - eng_min) / (raw_max - raw_min)  + eng_min;
    }
    return result;
}

int abs_sub_uint32(uint32_t a, uint32_t b)
{
	if (a >= b)
	{
		return a - b;
	}
	else
	{
		return (0xffffffff - b + a + 1);
	}
}