C51 中斷接收 G代碼 并發(fā)送回去 by mingwen

//===========================================================

// step motor 串口通信G代碼

//

//86 step motor,3200cts/r,f=20kHz=20000/r,

//n=20000/3200=6.25r/s=375rpm, ratio=5

//n_out=75rpm, n_old=1500/75=20rpm

//

//f :

//times=1,delay0.05ms=20000Hz=20kHz

//times=2,delay0.1ms=10000Hz=10kHz

//times=3,delay0.15ms=6666Hz=6.66kHz

//times=4,delay0.2ms=5000Hz=5kHz

//===========================================================

#include

#include

#define uchar unsigned char

#define uint unsigned int

#define Gcode_LEN 10 //數(shù)據(jù)長度G01X12345$ (10char)

sbit Xpul = P0^0; //axis X

sbit Xdir = P0^1; //axis X

sbit KEY4 = P3^2;

bit rece_flag = 0; //為1代表串口接收到了一幀數(shù)據(jù)

uchar receive[Gcode_LEN]={0}; //暫存數(shù)組，可以將10改為需要的數(shù)值

/**************************************************/

/* 向串口發(fā)送字符 */

/**************************************************/

void send_char_com(uchar c)

{

SBUF=c;

while(TI==0);

TI=0;

}

/**************************************************/

/* 向串口發(fā)送字符串 */

/**************************************************/

void send_string_com(uchar *s)

{

while(*s!=