kody:
[syntax=c]/*
Plik ds1820.c
*/
#include <avr/io.h>
#include <util/delay.h>
#include "ds1820.h"
#include "HD44780.h"
unsigned char RESET_PULSE(void){
unsigned char PRESENCE;
CLEAR_1WIRE;
_delay_us(500);
SET_1WIRE;
_delay_us(30);
if(bit_is_clear(PORT_1WIRE, WE)){PRESENCE=1;} else{PRESENCE=0;}
_delay_us(470);
if(bit_is_set(PORT_1WIRE, WE)){PRESENCE=1;} else{PRESENCE=0;}
return PRESENCE;
}
void send(char bit){
CLEAR_1WIRE;
_delay_us(5);
if(bit==1) SET_1WIRE;
_delay_us(80);
SET_1WIRE;
}
unsigned char read(void){
unsigned char PRESENCE=0;
CLEAR_1WIRE;
_delay_us(2);
SET_1WIRE;
_delay_us(15);
if(bit_is_set(PORT_1WIRE, WE)){PRESENCE=1;} else {PRESENCE=0;}
return(PRESENCE);
}
void send_byte(char wartosc){
unsigned char i, pom;
for(i=0;i<8;i++){
pom=wartosc>>i;
pom&=0x01;
send(pom);
}
_delay_us(100);
}
unsigned char read_byte(void){
unsigned char i, wartosc;
wartosc=0;
for(i=0;i<8;i++){
if(read()) {wartosc|=0x01<<i;}
_delay_us(15);
}
return(wartosc);
}
/**********************************************************************************
Zczytuje kody ROM wszystkich urządzeń na linii 1wire
**********************************************************************************/
void search_rom(void)
{
unsigned char last_zero, a, b, tmp, discrp = 0, last_bit = 0, dscnt = 0, stan;
stan=RESET_PULSE();
do{
while(stan==1) {
send_byte(0xF0);
stan=RESET_PULSE();
}
last_zero = 0;
for(a = 0; a < 64; a++){
b = read();
tmp = read();
if((b == 0)&&(tmp == 0)){
if(a == discrp) b = 1;
else if(a > discrp) b = 0;
else b = last_bit;
if(b == 0)
last_zero = a;
LCD_LOCATE(0,0);
lcd_puts("Jestem w petli4");
}
send(b);
rom[dscnt][(a / 8)]|=(b << (a % 8));
last_bit = b;
}
dscnt++;
discrp = last_zero;
}while((dscnt < 2)&&(discrp > 0));
LCD_LOCATE(0,0);
lcd_puts("Jestem w petli4");
}[/syntax]
[syntax=c]/*
Plik ds1820.h
*/
#ifndef DS1820_H
#define DS1820_H
#define WE 1
#define PORT_1WIRE PINB
#define SET_1WIRE DDRB&=~_BV(WE)
#define CLEAR_1WIRE DDRB|=_BV(WE)
extern unsigned char rom[][8];
unsigned char RESET_PULSE(void);
void send(char bit);
unsigned char read(void);
void send_byte(char wartosc);
unsigned char read_byte(void);
void search_rom(void);
#endif[/syntax]
[syntax=c]/*
Plik main.c
TERMOMETR
*/
#include <avr/io.h>
#define F_CPU 1000000UL
#include <util/delay.h>
#include "hd44780.h"
#include "ds1820.h"
#include "stdlib.h"
char buf[8];
char buf1[8];
unsigned char rom[2][8];
void lcd(void){
_delay_ms(1000);
lcd_init();
LCD_DISPLAY(LCDDISPLAY);
LCD_CLEAR;
LCD_LOCATE(5,0);
LCD_WRITE_DATA('W');
_delay_ms(200);
LCD_WRITE_DATA('i');
_delay_ms(200);
LCD_WRITE_DATA('t');
_delay_ms(200);
LCD_WRITE_DATA('a');
_delay_ms(200);
LCD_WRITE_DATA('j');
_delay_ms(200);
LCD_WRITE_DATA('!');
_delay_ms(2000);
LCD_CLEAR;
LCD_LOCATE(1,0);
lcd_puts("Milej podrozy!");
_delay_ms(200);
//LCD_LOCATE(0,1);
//lcd_puts("Michale");
_delay_ms(2200);
LCD_CLEAR;
}
int main(){
unsigned char sprawdz;
char temp1, temp2, temp3, temp4;
temp1=temp2=temp3=temp4=0;
float temp=0, temp8=0;
int i=0;
lcd();
search_rom();
LCD_CLEAR;
/*
char fff=0;
for(i=0; i<8; i++)
{
fff=rom[1][i];
dtostrf(fff,3,1,buf);
LCD_LOCATE(0,0);
lcd_puts(buf);
_delay_ms(500);
LCD_CLEAR;
}
*/
while(1){
sprawdz=RESET_PULSE();
if(sprawdz==1){
/* Sprawdzenie w ktorym momencie zawiesza sie program.
LCD_LOCATE(0,0);
lcd_puts("Jestem w petli");
*/
send_byte(0x55);
for(i=0;i<8;i++){
send_byte(rom[0][i]);
}
send_byte(0x44);
_delay_ms(750);
sprawdz=RESET_PULSE();
send_byte(0xBE);
temp1=read_byte();
temp2=read_byte();
sprawdz=RESET_PULSE();
temp=(float)(temp1+(temp2*256))/2.0;
dtostrf(temp,5,1,buf);
LCD_LOCATE(0,0);
lcd_puts("T. zewn.: ");
LCD_LOCATE(9,0);
lcd_puts(buf);
LCD_LOCATE(14,0);
lcd_puts("\xdf");
LCD_LOCATE(15,0);
lcd_puts("C");
send_byte(0x55);
for(i=0;i<8;i++){
send_byte(rom[1][i]);
}
send_byte(0x44);
_delay_ms(750);
sprawdz=RESET_PULSE();
send_byte(0xBE);
temp3=read_byte();
temp4=read_byte();
sprawdz=RESET_PULSE();
temp8=(float)(temp3+(temp4*256))/2.0;
dtostrf(temp8,5,1,buf1);
LCD_LOCATE(0,1);
lcd_puts("T. oleju: ");
LCD_LOCATE(9,0);
lcd_puts(buf1);
LCD_LOCATE(14,0);
lcd_puts("\xdf");
LCD_LOCATE(15,0);
lcd_puts("C");
}
else{
LCD_LOCATE(0,0);
lcd_puts("Nie wykryto DSa");
}
}
return 0;
}[/syntax]
Nie rozumiem po co wpisujesz z "palca" syntax=c skoro masz listę wyboru SYNTAX wybierz... Zielony J.
- Szybka odpowiedź nie ma takich featurów
Statystyki: Napisane przez Kanc1erz — 25 lip 2013, o 12:14
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