?? systhree_master.c
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/*********************************************************/
/** **/
/** 作者：jia **/
/** 時間：2007/6/6 **/
/** National University of Defence Technology **/
/** 0731-4573493 **/
/*********************************************************/
#include <absacc.h>
#include <reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint8 unsigned char
#define uint16 unsigned int
#define LED8 XBYTE [0xA000] //數碼管地址
#define LED7 XBYTE [0xA001]
#define LED6 XBYTE [0xA002]
#define LED5 XBYTE [0xA003]
#define LED4 XBYTE [0xA004]
#define LED3 XBYTE [0xA005]
#define LED2 XBYTE [0xA006]
#define LED1 XBYTE [0xA007]
#define KEY XBYTE [0xA100] //鍵盤地址
/*掃描鍵盤使用的變量 */
sbit first_row = P1^4; //鍵盤第一行控制
sbit second_row = P1^3; //鍵盤第二行控制
bit first_getkey = 0,control_readkey = 0; //讀鍵盤過程中的標志位
bit getkey = 0; //獲得有效鍵值標志位 等于1時代表得到一個有效鍵值
bit keyon = 0; //防止按鍵沖突標志位
bit change_led = 0;
bit lessAlarm = 0;
uchar keynum = 0; //獲得的有效按鍵值寄存器
sbit P1_2 = P1^2;
sbit P1_6 = P1^6;
sbit P1_7 = P1^7;
sbit P1_5 = P1^5;
uchar sbuf_t = 0x0C1;
// 系數
#define COEF 167 //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
#define HEIGHT0 100 // 初始高度1m，系數1.67
#define V_INITIAL0 78 // 初始液滴速度 78 t/min
#define MotorV 32 // 電機速度，50cm/min
#define CIRCLE 20
uchar Vnow[16] = {0};
uchar Vset[16] = {0};
uint16 bdata alarm =0;
uchar que[16] = {0};
uchar state = 0 ;
uchar NOset = 0;
//bit lessAlarm = 0;
uint16 temV = 0;
uchar i = 0;
uchar qu_i =0;
/*數碼管顯示使用的變量和常量*/
uchar lednum = 0; //數碼管顯示位控制寄存器
uchar led[8] = {0,0,0,0,0,0,0,0}; //數碼管顯示內容寄存器
uchar code segtab[18] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0x8c,0xff}; //七段碼段碼表
// "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F", "P" ,"black"
void leddisp(void); //數碼管顯示函數
void readkey(void); //讀鍵盤函數
void setvalue (unsigned char keynum);
void sendBuf(uchar i);
void delay(uint8 time_nop);
void setAlarm(uchar b,uchar a);
void intTL0() interrupt 1 //TL0 定時中斷處理函數
{
static uchar TL0_i = 0; // 定義靜態變量，用來計數TL0定時器的溢出次數（進入本函數的次數）
TL0 = -2720%256;//定時器中斷時間間隔 4ms
if(TL0_i++ == 11)
{
TL0_i = 0;
leddisp(); //每次定時中斷顯示更新一次
if(control_readkey == 1) //每兩次定時中斷掃描一次鍵盤
{
readkey();
}
control_readkey = !control_readkey;
}
}
//*************************************外部中斷0*************************************************************
//******************************************************************************************
void ps_serve (void )interrupt 4
{
static uchar wait = 0;
uchar a = 0;
uchar b=0;
if(RI == 1)
{
P1_6 = 0;
P1_7 = 0;
a = SBUF;
P1_7 = 1;
b = a & 0x0F;
if(a>=192)
{
setAlarm(b,a);
wait = 128 + b;
P1_7 = 1;
SBUF = Vset[b];
P1_6 = 0;
P1_7 = 0;
}
else if(wait >= 128)
{
Vnow[wait - 128] = a;
Vset[b] = 255;
change_led = 1;
wait = 0;
}
RI =0;
}
else TI =0;
}
//************************************************************************************************
//*****************************************************************************************************************************
// 由于T0采用工作方式3，所以T1只能用作串口波特率發生器
// 注意：從站Fsoc=12MHz，主站Fsoc=24MHz，只需將波特率設置相同即可
// 此時，TH0占用TF1，所以此中斷處理程序是處理T0的TH0的，定時器T0占用TF1,相當于T1中斷
// 最大定時周期為256us
void time2_serve (void)interrupt 5
{
static uchar T2_i = 0; // 定義靜態變量，用來計數TL0定時器的溢出次數（進入本函數的次數）
TF2 = 0;
if( T2_i++ == 48 )
{ change_led =1 ;
T2_i = 0 ;
if(i <= qu_i-1 && qu_i != 0)
{ sendBuf(i); i++;}
if(i == qu_i)
i = 0;
}
}
//*****************************************************************************************************************************
//*****************************************************************************************************************************
// end of time1
void main(void)
{
TL0 = -2720%256; //定時器中斷時間間隔 4ms
TMOD = 0X23;
RCAP2H=0x0B;
RCAP2L=0xDC;
SCON=0x50;//串口方式1，允許接受
TH1=244;
TL1=244;
ES = 1;
ET0 = 1;
ET1 = 0;
ET2= 1;
EA = 1;
TR0 =1;
TR1 =1;//啟動定時器
TR2 = 1;
while(1)
{
if(getkey == 1 ||change_led == 1) //判斷是否獲得有效按鍵
{
getkey = 0;
if(state == 0 && qu_i > 0)
{
led[0]=que[i];
led[1]=Vset[que[i]]/100;
led[2]=(Vset[que[i]]%100)/10;
led[3]=Vset[que[i]]%10;//
}
else
{
led[0]=NOset;
led[1]=Vset[NOset]/100;
led[2]=(Vset[NOset]%100)/10;
led[3]=Vset[NOset]%10;
}
if(qu_i > 0)
{
if(alarm^que[i] == 1)
{
led[5]=16;
led[6]=16;
led[7]=16;//
}
else
{
led[4]=que[i];
led[5]=Vnow[que[i]]/100;
led[6]=(Vnow[que[i]]%100)/10;
led[7]=Vnow[que[i]]%10;//
}
}
}
}
}
/***************************************************
原型: void readkey(void);
功能: 當獲得有效按鍵時,令getkey=1，keynum為按鍵值
****************************************************/
void readkey(void)
{
uchar M_key = 0;
first_row = 0;
second_row = 0;
M_key = KEY;
if(M_key != 0xff) //如果有連續兩次按鍵按下，認為有有效按鍵按下。消除按鍵抖動
{
if(first_getkey == 0)
{
first_getkey = 1;
}
else //當有有效按鍵按下時，進一步識別是哪一個按鍵
{
if(keyon == 0) //防止按鍵沖突，當還有未釋放的按鍵時不對其它按鍵動作響應
{
first_row = 0; //掃描第一行按鍵
second_row = 1;
M_key = KEY;
if(M_key != 0xff)
{
switch(M_key)
{
case 0xfe:
keynum = 0x00;
break;
case 0xfd:
keynum = 0x01;
break;
case 0xfb:
keynum = 0x02;
break;
case 0xf7:
keynum = 0x03;
break;
case 0xef:
keynum = 0x04;
break;
case 0xdf:
keynum = 0x05;
break;
case 0xbf:
keynum = 0x06;
break;
case 0x7f:
keynum = 0x07;
break;
}
}
else
{
second_row = 0; //掃描第二行按鍵
first_row = 1;
M_key = KEY;
switch(M_key)
{
case 0xfe:
keynum = 0x08;
break;
case 0xfd:
keynum = 0x09;
break;
case 0xfb:
keynum = 0x0a;
break;
case 0xf7:
keynum = 0x0b;
break;
case 0xef:
keynum = 0x0c;
break;
case 0xdf:
keynum = 0x0d;
break;
case 0xbf:
keynum = 0x0e;
break;
case 0x7f:
keynum = 0x0f;
break;
}
}
getkey = 1; //獲得有效按鍵數值
keyon = 1; //防止按鍵沖突，當獲得有效按鍵時將其置1
setvalue (keynum);
}
}
}
else
{
first_getkey = 0;
keyon = 0; //防止按鍵沖突，當所有的按鍵都釋放時將其清0
}
}
/***************************************************
數碼管顯示函數
原型: void leddisp(void);
功能: 每次調用輪流顯示一位數碼管
****************************************************/
void leddisp(void)
{
switch(lednum) //選擇需要顯示的數碼位
{
case 0:
LED1 = segtab[led[0]];
break;
case 1:
LED2 = segtab[led[1]];
break;
case 2:
LED3 = segtab[led[2]];
break;
case 3:
LED4 = segtab[led[3]];
break;
case 4:
LED5 = segtab[led[4]];
break;
case 5:
LED6 = segtab[led[5]];
break;
case 6:
LED7 = segtab[led[6]];
break;
case 7:
LED8 = segtab[led[7]];
break;
}
if(lednum == 0) //更新需要現實的數碼位
{
lednum = 7;
}
else
{
lednum = lednum-1;
}
}
/*******************************************************************
延時函數
函數原型: void delay(uint8 time_nop);
功能: 延時time_nop個nop
********************************************************************/
void delay(uint8 time_nop)
{
uint8 i;
for(i=0;i<time_nop;i++)
{
_nop_();
}
}
void setvalue (unsigned char keynum) {
if(state == 0 && keynum == 10) state = 1;
else if(state == 1 ) { NOset = keynum ;state = 2 ; }
else if(state == 2 && keynum >= 0 && keynum <= 9 )
{
state = 2 ;
temV = temV*10 + keynum;
}
else if(state == 2 && keynum ==13 )
{
if(temV<=150 || temV>=20)
{
que[qu_i] = NOset;
Vset[NOset]= temV;
qu_i++;
}
temV = 0;state = 0 ;
}
else {state = 0; temV = 0 ;}
if(state != 1 && keynum == 15) lessAlarm = 1 ;
else lessAlarm =0;
if(state != 1 && keynum == 11) { qu_i=0;state = 0; temV = 0 ;}
}
void sendBuf(uchar i)
{
uchar a = 0;
if(que[i]<16 )
{
a = lessAlarm ? 16:0 ;
a += que[i];
a += 192;
P1_7 = 1;
SBUF = a;
P1_6 = 0;
P1_7 = 0;
}
}
void setAlarm(uchar b,uchar a)
{
uchar aa = a & 0x10;
if(aa == 16)
{ switch(b)
{
case 0: alarm |= 0x01;
case 1: alarm |= 0x02;
case 2: alarm |= 0x04;
case 3: alarm |= 0x08;
case 4: alarm |= 0x10;
case 5: alarm |= 0x20;
case 6: alarm |= 0x40;
case 7: alarm |= 0x80;
case 8: alarm |= 0x100;
case 9: alarm |= 0x200;
case 10: alarm |= 0x400;
case 11: alarm |= 0x800;
case 12: alarm |= 0x1000;
case 13: alarm |= 0x2000;
case 14: alarm |= 0x4000;
case 15: alarm |= 0x8000;
}
}
else
switch(aa == 0)
{
case 0: alarm &= 0x0FFFE;
case 1: alarm &= 0x0FFFD;
case 2: alarm &= 0x0FFFB;
case 3: alarm &= 0x0FFF7;
case 4: alarm &= 0x0FFEF;
case 5: alarm &= 0x0FFDF;
case 6: alarm &= 0x0FFBF;
case 7: alarm &= 0x0FF7F;
case 8: alarm &= 0x0FEFF;
case 9: alarm &= 0x0FDFF;
case 10: alarm &= 0x0FBFF;
case 11: alarm &= 0x0F7FF;
case 12: alarm &= 0x0EFFF;
case 13: alarm &= 0x0DFFF;
case 14: alarm &= 0x0BFFF;
case 15: alarm &= 0x07FFF;
lessAlarm = 0 ;
}
}
/*
A \began to set celerate
B /主站重新設定巡回點
C
D enter
E
F cancel alarm
*/?? 快捷鍵說明
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