?? qckz.c~
字號:
#include <mega8.h>
#include <delay.h>
#include <stdio.h>
#include <sleep.h>
#include <bcd.h>
#include <math.h>
#define TX_EN() {DDRD.5=1;PORTD.5=0;delay_ms(2000);PORTD.5=1;}//開油泵
#define LIGHT() {DDRD.4=1;PORTD.4=0;delay_ms(1000);PORTD.4=1;}//ID讀取成功
#define DS1990_IPORT PIND
#define DS1990_OPORT PORTD
#define DS1990_DPORT DDRD
#define DS1990 3
eeprom unsigned char id_data[7]={1,2,3,4,5,6,7};
unsigned int time_number;
unsigned char flag,kz_flag,state_flag,CRC8,time_over;
//unsigned char sw_data[7];
unsigned char new_data[8];
unsigned char key_data;
const unsigned char dscrc_table[] = {
0, 94,188,226, 97, 63,221,131,194,156,126, 32,163,253, 31, 65,
157,195, 33,127,252,162, 64, 30, 95, 1,227,189, 62, 96,130,220,
35,125,159,193, 66, 28,254,160,225,191, 93, 3,128,222, 60, 98,
190,224, 2, 92,223,129, 99, 61,124, 34,192,158, 29, 67,161,255,
70, 24,250,164, 39,121,155,197,132,218, 56,102,229,187, 89, 7,
219,133,103, 57,186,228, 6, 88, 25, 71,165,251,120, 38,196,154,
101, 59,217,135, 4, 90,184,230,167,249, 27, 69,198,152,122, 36,
248,166, 68, 26,153,199, 37,123, 58,100,134,216, 91, 5,231,185,
140,210, 48,110,237,179, 81, 15, 78, 16,242,172, 47,113,147,205,
17, 79,173,243,112, 46,204,146,211,141,111, 49,178,236, 14, 80,
175,241, 19, 77,206,144,114, 44,109, 51,209,143, 12, 82,176,238,
50,108,142,208, 83, 13,239,177,240,174, 76, 18,145,207, 45,115,
202,148,118, 40,171,245, 23, 73, 8, 86,180,234,105, 55,213,139,
87, 9,235,181, 54,104,138,212,149,203, 41,119,244,170, 72, 22,
233,183, 85, 11,136,214, 52,106, 43,117,151,201, 74, 20,246,168,
116, 42,200,150, 21, 75,169,247,182,232, 10, 84,215,137,107, 53};
unsigned char dowcrc(unsigned char x)
{
CRC8 = dscrc_table[CRC8 ^ x];
return CRC8;
}
void twinkle(){ //示寬燈
DDRB.0=1;
PORTB.0=1;
delay_ms(300);
PORTB.0=0;
delay_ms(300);
PORTB.0=1;
delay_ms(300);
PORTB.0=0;
}
void bell(){ //警號
DDRB.2=1;
PORTB.2=1;
delay_ms(300);
PORTB.2=0;
delay_ms(300);
PORTB.2=1;
delay_ms(300);
PORTB.2=0;
}
void door_open(){//開門
DDRD.7=1;
PORTD.7=1;
delay_ms(1000);
PORTD.7=0;
}
void door_close(){//關門
DDRD.6=1;
PORTD.6=1;
delay_ms(1000);
PORTD.6=0;
}
unsigned char an(){ //學習按鈕
unsigned an_data;
an_data=0;
DDRD.1=0;
if(PIND.1==0)an_data=1;
return(an_data);
}
unsigned char acc_test(){ //ACC電壓檢測
unsigned char acc_data;
acc_data=0;
DDRC.5=0;
if(PINC.5==1){
delay_ms(20);
if(PINC.5==1)acc_data=1;
}
return(acc_data);
}
unsigned char door_test(){
unsigned char door_data;
door_data=0;
DDRC.4=0;
if(PINC.4==0){
delay_ms(20);
if(PINC.4==0)door_data=1;
}
return(door_data);
}
interrupt[2]void ext_int0(){
key_data=0;
delay_ms(5);
DDRC&=~0x0f;
key_data=PINC&0x0f;
if(key_data==0x08){
door_open();
TCNT0=0xe0;
TCCR0=0X03;
TIMSK=1; //開定時
state_flag=2;
}
else if(key_data==0x04){
door_close();
state_flag=1;
}
}
interrupt[10] void timer(){
time_number++;
if(time_number>10000){
TIMSK=0;
time_over=1;
time_number=0;
}
TCNT0=0xe0;
}
//DS1990
void w_init(){
unsigned char i;
flag=0;
DS1990_OPORT.DS1990=1;
DS1990_DPORT.DS1990=1;
delay_us(2);
DS1990_OPORT.DS1990=0;
delay_us(700);
DS1990_DPORT.DS1990=0;
delay_us(65);
for(i=0;i<250;i++){
if((DS1990_IPORT.DS1990)==0){
flag=1;
delay_us(500);
break;
}
}
}
unsigned char w_read(){
unsigned char type,i;
for(i=0;i<8;i++){
DS1990_DPORT.DS1990=1;
DS1990_OPORT.DS1990=1;
delay_us(2);
DS1990_OPORT.DS1990=0;
delay_us(2);
DS1990_DPORT.DS1990=0;
DS1990_OPORT.DS1990=1;
delay_us(2);
type=(type>>1);
if((DS1990_IPORT.DS1990)==1)type=(type|0x80);
delay_us(65);
}
return(type);
}
void read(){
unsigned char i;
for(i=0;i<8;i++){
new_data[i]=w_read();
}
}
void w_write(unsigned char word){
unsigned char i;
for(i=0;i<8;i++){
DS1990_DPORT.DS1990=1;
DS1990_OPORT.DS1990=1;
delay_us(2);
DS1990_OPORT.DS1990=0;
delay_us(2);
if ((word&0x01)==0)delay_us(75);
else{
DS1990_OPORT.DS1990=1;
delay_us(75);
}
DS1990_DPORT.DS1990=0;
delay_us(2);
word=(word>>1);
}
}
read_id(){
unsigned char i;
unsigned char temp;
flag=0;
w_init();
if(flag==1){
flag=0;
w_write(0x33);
read();
CRC8=0;
for(i=0;i<7;i++)dowcrc(new_data[i]);
if(new_data[7]==CRC8){
flag=1;
kz_flag=0;
for(i=0;i<7;i++){
temp=id_data[i];
delay_ms(1);
if(temp!=new_data[i]){
i=0;
break;
}
}
if(i==7)kz_flag=1;
}
}
}
void init(){
unsigned char i;
SREG=0x00; //關全部中斷
MCUCR=0x0f;
ADCSRA&=0x7f; //降低功耗關ADC
ACSR|=0x80;
key_data=0;
flag=0;
flag=an();
if(flag==1){
flag=0;
read_id();
if(flag==1){
flag=0;
for(i=0;i<7;i++){
id_data[i]=new_data[i];
delay_ms(2);
}
}
}
GICR=0x40; //開INIT0
SREG=0x80; //開全局中斷
kz_flag=0;
}
void main(){
unsigned int j;
init();
/* while(1){
if(state_flag==2){ //遙控開門狀態
flag=0;
flag=door_test();
if(flag==1){
flag=0;
TIMSK=0;
time_over=0;
}
if(time_over==1){
time_over=0;
door_close();
state_flag=1;
}
}
read_id();
if(kz_flag==1){
kz_flag=0;
LIGHT()
flag=0;
for(j=0;j<1500;j++){
delay_ms(10);
flag=acc_test();
if(flag==1){
flag=0;
delay_ms(100);
TX_EN()
break;
}
}
}
}
//WDTCR=0xff; // 開WDT，并設復位時間間隔為2.1秒
//WDTCR=0xef; */
while(1){
read_id();
if(kz_flag==1){
kz_flag=0;
LIGHT()
flag=0;
for(j=0;j<1500;j++){
delay_ms(10);
flag=acc_test();
if(flag==1){
flag=0;
delay_ms(50);
TX_EN()
break;
}
}
}
}
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