test_1.c

来自「一个基于C51开发的计价秤」· C语言 代码 · 共 39 行

#include <reg52.h>
#include <stdio.h>
#include <math.h>
#define PI 3.1415926
#define Local_Latitude 0
#define Local_Height 0.0
#define Destination_Latitude 90 
#define Destination_Height 1000 

float Weight_Calibrated(float temp_Weight)
{
	float g1,g2,x,y;
	x=Local_Latitude/180.0;
	y=Destination_Latitude/180.0;
	x=x*3.1415926;
	y=y*3.1415926;
	g1=9.780318*(1+0.005324*(sin(x)*sin(x))-0.0000059*(sin(2*x)*sin(2*x)))+(-0.3086*0.00005*Local_Height);
	g2=9.780318*(1+0.005324*(sin(y)*sin(y))-0.0000059*(sin(2*y)*sin(2*y)))+(-0.3086*0.00005*Destination_Height);
	return temp_Weight*(g2/g1);
}

#ifdef MONITOR51			 			 /* Debugging with Monitor-51 needs   */
char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
#endif    

main()
{
	float weight1=0,weight2=19.99;

	#ifndef MONITOR51
    SCON  = 0x50;		        /* SCON: mode 1, 8-bit UART, enable rcvr      */
    TMOD |= 0x20;               /* TMOD: timer 1, mode 2, 8-bit reload        */
    TH1   = 221;                /* TH1:  reload value for 1200 baud @ 16MHz   */
    TR1   = 1;                  /* TR1:  timer 1 run                          */
    TI    = 1;                  /* TI:   set TI to send first char of UART    */
	#endif
	weight1=Weight_Calibrated(weight2);
	while(1);	
}