text1.c

一次拟合算法,AD转换后的预处理算法,串口,定时器,积分,排序,三角形,延时,一元二次方程.

/*------------------------------------------------------------------------------
本程序用来对一个数组进行排序
------------------------------------------------------------------------------*/

#include <REG52.H>                /* special function register declarations   */
                                  /* for the intended 8051 derivative         */

#include <stdio.h>                /* prototype declarations for I/O functions */
#include <stdlib.h>


#ifdef MONITOR51                         /* Debugging with Monitor-51 needs   */
char code reserve [3] _at_ 0x23;         /* space for serial interrupt if     */
#endif                                   /* Stop Exection with Serial Intr.   */
                                         /* is enabled                        */


/*------------------------------------------------
The main C function.  Program execution starts
here after stack initialization.
------------------------------------------------*/
void main (void) {
unsigned char array1[16]=0;
unsigned char i,j,temp;

/*------------------------------------------------
Setup the serial port for 1200 baud at 16MHz.
------------------------------------------------*/
#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

/*------------------------------------------------
Note that an embedded program never exits (because
there is no operating system to return to).  It
must loop and execute forever.
//------------------------------------------------*/
for(i=0;i<16;i++){
	array1[i]=rand()%100;//存放随机数0-100内,结果不对？？？
	printf ("%bu,%bu\n",i,array1[i]);
	}

for(i=0;i<16;i++)
{
 	for(j=i;j<16;j++)
	 if(array1[i]>array1[j])
	 {temp=array1[i];
	 array1[i]=array1[j];
	 array1[j]=temp;	 
	 }
	 printf ("%bu,%bu\n",i,array1[i]);
	 
}
	
}