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#include "reg51.h"
//#include
#include "intrins.h"
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
#define ADC_POWER 0x80 //ADC電源控制位
#define ADC_FLAG 0x10 //ADC完成標志
#define ADC_START 0x08 //ADC起始控制位
#define ADC_SPEEDLL 0x00 //540個時鐘
#define ADC_SPEEDL 0x20 //360個時鐘
#define ADC_SPEEDH 0x40 //180個時鐘
#define ADC_SPEEDHH 0x60 //90個時鐘
sfr CCON = 0xD8; //PCA control register
sbit CCF0 = CCON^0; //PCA module-0 interrupt flag
sbit CCF1 = CCON^1; //PCA module-1 interrupt flag
sbit CR = CCON^6; //PCA timer run control bit
sbit CF = CCON^7; //PCA timer overflow flag
sfr CMOD = 0xD9; //PCA mode register
sfr CL = 0xE9; //PCA base timer LOW
sfr CH = 0xF9; //PCA base timer HIGH
sfr CCAPM0 = 0xDA; //PCA module-0 mode register
sfr CCAP0L = 0xEA; //PCA module-0 capture register LOW
sfr CCAP0H = 0xFA; //PCA module-0 capture register HIGH
sfr PCAPWM0 = 0xF2;
sfr AUXR = 0x8e; //輔助寄存器
sfr P1ASF = 0x9D; //P1口第2功能控制寄存器
sfr ADC_RES = 0xBD; //ADC高8位結果
sfr ADC_CONTR = 0xc5;
sfr ADC_DATA = 0xc6;
sfr ADC_LOW2 = 0xbe;
sfr P0M0 = 0x93;
sfr P0M1 = 0x94;
sfr P1M0 = 0x91;
sfr P1M1 = 0x92;
sfr P2M0 = 0x95;
sfr P2M1 = 0x96;
sfr P3M0 = 0xb1;
sfr P3M1 = 0xb2;
typedef unsigned char BYTE;
uchar code table[]="0123456789BatTime:V.mAh_";
uchar time1,time2,time3,pwm1;
uint fen=0,ad1=138,ad0;
sbit P12 = P1^2;
sbit P13 = P1^3;
sbit LED = P3^2; //背光腳H亮
sbit rs = P3^3; //
sbit POW = P3^7; //PWM
sbit en = P3^5; //
sbit SPK = P3^4; //蜂鳴器
void InitADC();
uint GetADCResult(BYTE ch);
void Delayus(uint us);
void Delayms(unsigned int ms);
void write_com(uchar com);
void write_dat(uchar dat);
void init();
void Timer0Init(void);
/*----------------------------
讀取ADC結果
----------------------------*/
uint GetADCResult(BYTE ch)
{
ADC_CONTR = ADC_POWER | ADC_SPEEDLL | ch | ADC_START;
_nop_(); //等待4個NOP
_nop_();
_nop_();
_nop_();
while (!(ADC_CONTR & ADC_FLAG));//等待ADC轉換完成
ADC_CONTR &= ~ADC_FLAG; //Close ADC
return (ADC_DATA*4+ADC_LOW2); //adc_data*4的意思是左移兩位，4 = 2的2次方。
//然后左移后加上adc_low的值，這個值應該是adc轉換的低兩位。
// ADC_CONTR = ADC_POWER | ADC_SPEEDLL | ch | ADC_START;
// _nop_(); //Must wait before inquiry
// _nop_();
// _nop_();
// _nop_();
// while (!(ADC_CONTR & ADC_FLAG));//Wait complete flag
// ADC_CONTR &= ~ADC_FLAG; //Close ADC
//return ADC_DATA; //Return ADC result */
}
/*----------------------------
初始化ADC
----------------------------*/
void InitADC()
{
P1 = P1M0 = P1M1 = 0x03; //Set all P1 as Open-Drain mode
ADC_RES = 0;
ADC_DATA = 0; //Clear previous result
ADC_LOW2 = 0;
ADC_CONTR = ADC_POWER | ADC_SPEEDLL;
Delayms(2); //ADC上電并延時
}
void Delayus(uint us) //@12.000MHz
{
while(--us)
{
_nop_();
_nop_();
_nop_();
_nop_();
}
}
void Delayms(unsigned int ms) //@12.000MHz
{
unsigned char i, j;
while(--ms)
{
i = 12;
j = 169;
do
{
while (--j);
} while (--i);
}
}
void write_com(uchar com)
{
rs=0;
en=0;
P2=com;
Delayms(2);
en=1;
Delayms(2);
en=0;
}
void write_dat(uchar dat)
{
rs=1;
en=0;
P2=dat;
Delayms(2);
en=1;
Delayms(2);
en=0;
}
void init()
{
Delayms(15);
write_com(0x38); //寫指令38H（不檢測忙信號）
Delayms(5);
write_com(0x38); //寫指令38H（不檢測忙信號）
Delayms(5);
write_com(0x38); //寫指令38H（不檢測忙信號）
write_com(0x08); //寫指令08H：顯示關閉
write_com(0x01); //寫指令01H：顯示清屏
write_com(0x06); //寫指令06H：顯示光標移動設置
write_com(0x0C); //寫指令0CH：顯示開及光標設置
}
void Timer0Init(void) //2毫秒@12.000MHz
{
AUXR &= 0x7F; //定時器時鐘12T模式
TMOD &= 0xF0; //設置定時器模式
TMOD |= 0x01; //設置定時器模式
TL0 = 0x30; //設置定時初值
TH0 = 0xF8; //設置定時初值
TF0 = 0; //清除TF0標志
TR0 = 0; //定時器0開始計時
}
void Timer1Init(void) //5毫秒@12.000MHz
{
AUXR &= 0xBF; //定時器時鐘12T模式
TMOD &= 0x0F; //設置定時器模式
TMOD |= 0x10; //設置定時器模式
TL1 = 0x78; //設置定時初值
TH1 = 0xEC; //設置定時初值
TF1 = 0; //清除TF1標志
TR1 = 1; //定時器1開始計時
}
void main()
{
bit q1=0,q2=0,q3=0;
uchar k1;
ulong ww=1667;
P0M0 = P0M1 = 0x00;
//P1M0 = 0x00;
//P1M1 = 0x00;
P2M0 = P2M1 = 0x00;
P3M1 = 0x94;
P3M0 = 0x00;
POW=0;
LED=1;
SPK=0;
init();
InitADC();
Timer0Init();
Timer1Init();
TR0 = 1; //timer0 start running
ET0 = 1; //enable timer0 interrupt
//TR1 = 1; //timer1 start running
//ET1 = 1; //enable timer1 interrupt
EA = 1; //open global interrupt switch
for(k1=255;k1>0;k1--)
{
SPK=~SPK;
Delayus(k1);
}
SPK=0;
write_com(0x80); //80為上排第一個
write_dat(table[10]);
write_dat(table[11]);
write_dat(table[12]);
write_dat(table[12]);
write_dat(table[17]);
write_com(0xC0); //C0為下排第一個
write_dat(table[13]);
write_dat(table[14]);
write_dat(table[15]);
write_dat(table[16]);
write_dat(table[17]);
write_com(0xC0+6);
write_dat(table[0]);
write_dat(table[0]);
write_dat(table[17]);
write_dat(table[0]);
write_dat(table[0]);
write_dat(table[17]);
write_dat(table[0]);
write_dat(table[0]);
while(1)
{
while(1)
{
if(EA==1)
{
write_com(0xC0+13);
write_dat(table[time1%10/1]);
write_com(0xC0+12);
write_dat(table[time1%100/10]);
write_com(0xC0+10);
write_dat(table[time2%10/1]);
write_com(0xC0+9);
write_dat(table[time2%100/10]);
write_com(0xC0+7);
write_dat(table[time3%10/1]);
write_com(0xC0+6);
write_dat(table[time3%100/10]);
}
if(q1==0&time1==2)
{
write_com(0x85);
write_dat(table[ad0%1000/100]);
write_com(0x86);
write_dat(table[19]);
write_com(0x87);
write_dat(table[ad0%100/10]);
write_com(0x88);
write_dat(table[ad0%10/1]);
write_com(0x89);
write_dat(table[18]);
q1=1;
for(k1=0;k1<255;k1++)
{
SPK=~SPK;
Delayus(150);
}
Delayms(100);
for(k1=0;k1<255;k1++)
{
SPK=~SPK;
Delayus(150);
}
SPK=0;
CCON = 0; //Initial PCA control register
//PCA timer stop running
//Clear CF flag
//Clear all module interrupt flag
CL = 0; //Reset PCA base timer
CH = 0;
CMOD = 0x02; //Set PCA timer clock source as Fosc/2
//Disable PCA timer overflow interrupt
CCAP0H = CCAP0L = 0xFF; //PWM0 port output 50% duty cycle square wave
CCAPM0 = 0x42; //PCA module-0 work in 8-bit PWM mode and no PCA interrupt
CR = 1; //PCA timer start run
TR0 = 1;
ET1 = 1;
}
write_com(0x8B);
write_dat(table[ad0%1000/100]);
write_com(0x8C);
write_dat(table[19]);
write_com(0x8D);
write_dat(table[ad0%100/10]);
write_com(0x8E);
write_dat(table[ad0%10/1]);
write_com(0x8F);
write_dat(table[18]);
if(fen>=1)LED=0;
if(ad0<=286)q3=1;
while(q3==1)
{
for(k1=0;k1<100;k1++)
{
SPK=~SPK;
Delayus(110);
}
SPK=0;
LED=~LED;
CCAP0H = CCAP0L = 0xFF;
POW=0;
EA=0;
Delayms(500);
ad0=GetADCResult(0);
write_com(0x8B);
write_dat(table[ad0%1000/100]);
write_com(0x8C);
write_dat(table[19]);
write_com(0x8D);
write_dat(table[ad0%100/10]);
write_com(0x8E);
write_dat(table[ad0%10/1]);
write_com(0x8F);
write_dat(table[18]);
if(!q2)
{
ww*=fen;
ww*=4;
write_com(0xC0+0);
write_dat(table[23]);
write_com(0xC0+1);
write_dat(table[23]);
write_com(0xC0+2);
write_dat(table[23]);
write_com(0xC0+3);
write_dat(table[23]);
write_com(0xC0+4);
write_dat(table[23]);
write_com(0xC0+5);
write_dat(table[23]);
write_com(0xC0+6);
write_dat(table[23]);
write_com(0xC0+7);
write_dat(table[ww%100000000/10000000]);
write_com(0xC0+8);
write_dat(table[ww%10000000/1000000]);
write_com(0xC0+9);
write_dat(table[ww%1000000/100000]);
write_com(0xC0+10);
write_dat(table[ww%100000/10000]);
write_com(0xC0+11);
write_dat(table[ww%10000/1000]);
write_com(0xC0+12);
write_dat(table[20]);
write_com(0xC0+13);
write_dat(table[21]);
write_com(0xC0+14);
write_dat(table[22]);
Delayms(1000);
q2=1;
}
}
}
}
}
void tm0_isr() interrupt 1 using 1
{
static uchar i1,i2;
TL0 = 0x30; //設置定時初值
TH0 = 0xF8; //設置定時初值
i1++;
if(i1>=50)
{
i1=0;
i2++;
if(i2>=10)
{
i2=0;
time1++;
if(time1>=60)
{
time1=0;
time2++;
fen++;
if(time2>=60)
{
time2=0;
time3++;
if(time3>=24)time3=0;
}
}
}
}
ad0=GetADCResult(0);
}
void tm1_isr() interrupt 3 using 1
{
TL1 = 0x78; //設置定時初值
TH1 = 0xEC; //設置定時初值
if(ad0>=428)CCAP0H = CCAP0L = 142;
if(ad0<=427&&ad0>424)CCAP0H = CCAP0L = 142;
if(ad0<=424&&ad0>420)CCAP0H = CCAP0L = 141;
if(ad0<=420&&ad0>416)CCAP0H = CCAP0L = 140;
if(ad0<=416&&ad0>412)CCAP0H = CCAP0L = 139;
if(ad0<=412&&ad0>408)CCAP0H = CCAP0L = 138;
if(ad0<=408&&ad0>404)CCAP0H = CCAP0L = 137;
if(ad0<=404&&ad0>400)CCAP0H = CCAP0L = 136;
if(ad0<=400&&ad0>396)CCAP0H = CCAP0L = 135;
if(ad0<=396&&ad0>392)CCAP0H = CCAP0L = 134;
if(ad0<=392&&ad0>388)CCAP0H = CCAP0L = 132;//
if(ad0<=388&&ad0>384)CCAP0H = CCAP0L = 131;
if(ad0<=384&&ad0>380)CCAP0H = CCAP0L = 129;
if(ad0<=380&&ad0>376)CCAP0H = CCAP0L = 128;
if(ad0<=376&&ad0>372)CCAP0H = CCAP0L = 127;
if(ad0<=372&&ad0>368)CCAP0H = CCAP0L = 126;//
if(ad0<=368&&ad0>364)CCAP0H = CCAP0L = 125;
if(ad0<=364&&ad0>360)CCAP0H = CCAP0L = 123;
if(ad0<=360&&ad0>356)CCAP0H = CCAP0L = 122;
if(ad0<=356&&ad0>352)CCAP0H = CCAP0L = 120;
if(ad0<=352&&ad0>348)CCAP0H = CCAP0L = 119;
if(ad0<=348&&ad0>344)CCAP0H = CCAP0L = 117;
if(ad0<=344&&ad0>340)CCAP0H = CCAP0L = 116;
if(ad0<=340&&ad0>336)CCAP0H = CCAP0L = 114;
if(ad0<=336&&ad0>332)CCAP0H = CCAP0L = 113;
if(ad0<=332&&ad0>328)CCAP0H = CCAP0L = 111;
if(ad0<=328&&ad0>324)CCAP0H = CCAP0L = 109;
if(ad0<=324&&ad0>320)CCAP0H = CCAP0L = 108;
if(ad0<=320&&ad0>316)CCAP0H = CCAP0L = 106;
if(ad0<=316&&ad0>312)CCAP0H = CCAP0L = 105;
if(ad0<=312&&ad0>308)CCAP0H = CCAP0L = 103;
if(ad0<=304&&ad0>300)CCAP0H = CCAP0L = 100;
if(ad0<=300&&ad0>296)CCAP0H = CCAP0L = 98;
if(ad0<=296&&ad0>292)CCAP0H = CCAP0L = 97;
if(ad0<=292&&ad0>288)CCAP0H = CCAP0L = 94;
if(ad0<=288&&ad0>284)CCAP0H = CCAP0L = 91;
if(ad0<=284)CCAP0H = CCAP0L = 0xFF;
//CCAPM0 = 0x42;
}

復制代碼

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