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//main.c
-----------------------------------
/*******************************************************************************
*
*
--------------------------------------------------------------------------------
* 實(shí) 驗(yàn) 名 : 動(dòng)態(tài)數(shù)碼管顯示，定時(shí)器
* 實(shí)驗(yàn)說(shuō)明 :
* 連接方式 :
* 注意 :
*******************************************************************************/
#include"STC15F2K.h"
#include"epprom.h"
//--定義使用的IO口--//
#define u8 unsigned char
#define u16 unsigned int
sbit you1=P2^0;
sbit you2=P2^1;
sbit you3=P2^2;
sbit you4=P2^3;
sbit you23=P2^4;
sbit kai=P2^5;
sbit fen=P2^6;
sbit shi=P2^7;
sbit jidianqi=P3^7;
//--定義全局變量--//
u8 code DIG_PLACE[8] = {
0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//位選控制查表的方法控制
u8 code DIG_CODE[18] = {
0x3f,0x06,0x5b,0x4f,0x66,
0x6d,0x7d,0x07,0x7f,0x6f,
0x77,0x7c,0x39,0x5e,0x79,
0x71,0x40,0x80};
//0、1、2、3、4、5、6、7、8、9、A、b、C、d、E、F、- 的顯示碼
u8 X1,X2,X3,X4,X5;
u8 DisplayData[8];
u16 DJS=0,fen60,shi6;
bit kk=0; //開(kāi)關(guān)，1，倒計(jì)時(shí)進(jìn)行，繼電器閉合；0，輸入時(shí)間，繼電器斷開(kāi)
u16 ff=10*60/*600秒*/,ss=60*60/*3600秒*/;
u16 count_djs=0;
u16 countt=0;
u8 KKKEY;
//--聲明全局函數(shù)--//
void DigDisplay(); //動(dòng)態(tài)顯示函數(shù)
void ConfigTimer0(u8 ms);
void key_sm();
void anjian();
/*******************************************************************************
* 函數(shù) 名 : XX,提供各個(gè)數(shù)碼管的數(shù)值
*******************************************************************************/
void XX()
{
countt=DJS-count_djs;
if(kk==0) {
X1=shi6/10;
X2=shi6%10;
X3=fen60/10;
X4=fen60%10;
X5=17;
}
if(kk==1)
{
if(countt<=3600)
{
X1=countt/600%10;
X2=countt/60%10;
X3=countt/10%6 ;
X4=countt%10/*kk */ ;
X5=17;
}
if(countt>3600)
{
X1=countt/36000%10;
X2=countt/3600%10 ;
X3=countt%3600/600%6;
X4=countt%3600/60%10;
}
if(X1==0)
{ X1=16;
if(X2==0)
{X2=16;
if(X3==0)X3=16;
}}
}
}
/*******************************************************************************
* 函數(shù) 名 : 掃描按鍵，賦值。
*******************************************************************************/
void key_sm()
{
anjian();
if(KKKEY==1) {KKKEY=0;fen60=fen60+10;if(fen60>=60)fen60=0;}
if(KKKEY==2) {KKKEY=0;shi6=shi6+1;if(shi6>6)shi6=0;}
if(KKKEY==3) {KKKEY=0;kk=~kk;;}
////寫入epprom
if(KKKEY>0){
shanchu(0x0000);
xieru(0x0001,fen60) ;
xieru(0x0002,shi6) ; }
DJS=(shi6*ss+fen60*60); //單位是秒。
}
/*******************************************************************************
* 函數(shù) 名 : main
* 函數(shù)功能 : 主函數(shù)
* 輸入 : 無(wú)
* 輸出 : 無(wú)
*******************************************************************************/
void main(void)
{
ConfigTimer0(5);
while(1)
{
key_sm();
XX();
jidianqi=!kk;
DigDisplay();
if(countt<=0){kk=0;you23=0; }
}
}
/*******************************************************************************
* 函數(shù) 名 : DigDisplay
* 函數(shù)功能 : 使用數(shù)碼管顯示
* 輸入 : 無(wú)
* 輸出 : 無(wú)
*******************************************************************************/
void DigDisplay()
{
unsigned int j;
//******************************
you1=0;
P1= DIG_CODE[X1]; //發(fā)送位選
j = 200; //掃描間隔時(shí)間設(shè)定
while(j--);
P1 = 0x00;//消隱
you1=1;
//******************************
you2=0;
P1= DIG_CODE[X2]; //發(fā)送位選
j = 200; //掃描間隔時(shí)間設(shè)定
while(j--);
P1 = 0x00;//消隱
you2=2;
//******************************
you3=0;
P1= DIG_CODE[X3]; //發(fā)送位選
j = 200; //掃描間隔時(shí)間設(shè)定
while(j--);
P1 = 0x00;//消隱
you3=3;
//******************************
you4=0;
P1 = DIG_CODE[X4]; //發(fā)送位選
j = 200; //掃描間隔時(shí)間設(shè)定
while(j--);
P1 = 0x00;//消隱
you4=1;
}
/* 配置并啟動(dòng)T0，ms-T0定時(shí)時(shí)間 */
void ConfigTimer0(u8 ms)
{
unsigned long tmp; //臨時(shí)變量
tmp = 12000000 / 12; //定時(shí)器計(jì)數(shù)頻率
tmp = (tmp * ms) / 1000; //計(jì)算所需的計(jì)數(shù)值
tmp = 65536 - tmp; //計(jì)算定時(shí)器重載值
TMOD &= 0xF0; //清零T0的控制位
TH0 = (u8)(tmp>>8); //定時(shí)器重載值拆分為高低字節(jié)
TL0 = (u8)tmp;
ET0 = 1; //使能T0中斷
TR0 = 1; //啟動(dòng)T0
EA=1;
}
//中斷定義為5毫秒
void InterruptTimer0() interrupt 1
{
static u8 Di;
Di++;
if(kk==0){count_djs=0;you23=0; }
if(Di==100) {you23=1;} //秒顯示賦值 0.5秒
if(Di==200 &&kk==1 ) {{you23=0;count_djs=count_djs+1;; }}
WDT_CONTR=0x37; //看門狗刷新 8.4S
}
/**/
//按鈕掃描需在定時(shí)中斷中調(diào)用
void anjian()
{
static u16 JiShu =0;
static u16 JiShu1=0;
static u16 JiShu2=0;
static u8 keybuf = 0xff;
static u8 keybuf1 = 0xff;
static u8 keybuf2 = 0xff;
u8 nm=500;
keybuf = (keybuf <<1) |fen;
if(keybuf == 0x00)
{ JiShu++; if(JiShu>=nm) {JiShu=0;KKKEY=1;} }
keybuf1 = (keybuf1 <<1) |shi;
if(keybuf1 == 0x00)
{ JiShu1++; if(JiShu1>=nm) {JiShu1=0;KKKEY=2;} }
keybuf2 = (keybuf2 <<1) |kai;
if(keybuf2 == 0x00)
{ JiShu2++; if(JiShu2>=nm) {JiShu2=0;KKKEY=3;} }}
// epprom.c
#include "epprom.h"
void Delay(uchar n)
{
uint x;
while (n--)
{
x = 0;
while (++x);
}
}
void guanbi() //iap閑置
{
IAP_CONTR = 0; //Close IAP function \關(guān)閉IAP功能
IAP_CMD = 0; //Clear command to standby \清除待命命令
IAP_TRIG = 0; //Clear trigger register \清除觸發(fā)寄存器
IAP_ADDRH = 0x80; //Data ptr point to non-EEPROM area \數(shù)據(jù)ptr指向非EEPROM區(qū)域
IAP_ADDRL = 0; //Clear IAP address to prevent misuse \清除IAP地址以防止誤用
}
uchar duqu(uint addr)
{
uchar dat; //Data buffer \數(shù)據(jù)緩沖區(qū)
IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time \打開(kāi)IAP功能，設(shè)置等待時(shí)間
IAP_CMD = CMD_READ; //Set ISP/IAP/EEPROM READ command \設(shè)置ISP/IAP/EEPROM讀取命令
IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low \將ISP/IAP/EEPROM地址設(shè)置為低位
IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high \將ISP/IAP/EEPROM地址設(shè)置為高
IAP_TRIG = 0x5a; //Send trigger command1 (0x5a) \發(fā)送觸發(fā)器命令1（0x5a）
IAP_TRIG = 0xa5; //Send trigger command2 (0xa5) \發(fā)送觸發(fā)器命令2（0xa5）
_nop_(); //MCU will hold here until ISP/IAP/EEPROM \MCU將在此保持，直到ISP/IAP/EEPROM
//operation complete \操作完成
dat = IAP_DATA; //Read ISP/IAP/EEPROM data \讀取ISP/IAP/EEPROM數(shù)據(jù)
guanbi(); //Close ISP/IAP/EEPROM function \關(guān)閉ISP/IAP/EEPROM功能
return dat; //Return Flash data \返回閃存數(shù)據(jù)
}
void xieru(uint addr, uchar dat)
{
IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time \打開(kāi)IAP功能，設(shè)置等待時(shí)間
IAP_CMD = CMD_PROGRAM; //Set ISP/IAP/EEPROM PROGRAM command \設(shè)置ISP/IAP/EEPROM程序命令
IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low \將ISP/IAP/EEPROM地址設(shè)置為低位
IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high \將ISP/IAP/EEPROM地址設(shè)置為高
IAP_DATA = dat; //Write ISP/IAP/EEPROM data \寫入ISP/IAP/EEPROM數(shù)據(jù)
IAP_TRIG = 0x5a; //Send trigger command1 (0x5a) \發(fā)送觸發(fā)器命令1（0x5a）
IAP_TRIG = 0xa5; //Send trigger command2 (0xa5) \發(fā)送觸發(fā)器命令2（0xa5）
_nop_(); //MCU will hold here until ISP/IAP/EEPROM \MCU將在此保持，直到ISP/IAP/EEPROM
//operation complete \操作完成
guanbi();
Delay(1);
}
void shanchu(uint addr)
{
IAP_CONTR = ENABLE_IAP; //Open IAP function, and set wait time \打開(kāi)IAP功能，設(shè)置等待時(shí)間
IAP_CMD = CMD_ERASE; //Set ISP/IAP/EEPROM ERASE command \設(shè)置ISP/IAP/EEPROM擦除命令
IAP_ADDRL = addr; //Set ISP/IAP/EEPROM address low \將ISP/IAP/EEPROM地址設(shè)置為低位
IAP_ADDRH = addr >> 8; //Set ISP/IAP/EEPROM address high \將ISP/IAP/EEPROM地址設(shè)置為高
IAP_TRIG = 0x5a; //Send trigger command1 (0x5a) \發(fā)送觸發(fā)器命令1（0x5a）
IAP_TRIG = 0xa5; //Send trigger command2 (0xa5) \發(fā)送觸發(fā)器命令2（0xa5）
_nop_(); //MCU will hold here until ISP/IAP/EEPROM operation complete \MCU將在此保持，直到ISP/IAP/EEPROM操作完成
//
guanbi();
}
//epprom.h
#ifndef __EPPROM1_H__
#define __EPPROM1_H__
//---包含頭文件---//
#include "STC15F2K.h"
#include "intrins.h"
//typedef unsigned char BYTE;
//typedef unsigned int WORD;
//---重定義關(guān)鍵詞---//
#ifndef uchar
#define uchar unsigned char
#endif
#ifndef uint
#define uint unsigned int
#endif
#endif
#define CMD_IDLE 0 //Stand-By
#define CMD_READ 1 //Byte-Read
#define CMD_PROGRAM 2 //Byte-Program
#define CMD_ERASE 3 //Sector-Erase
#define ENABLE_IAP 0x82 //if SYSCLK<20MHz
#define IAP_ADDRESS 0x0000
void Delay(uchar n);
void guanbi();
uchar duqu(uint addr);
void xieru(uint addr, uchar dat);
void shanchu(uint addr);

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