1 Mikrokontrollerlar va isis proteus dasturi haqida asosiy tushunchalar

Issiqxona xaroratini aftomatik boshqaruvchi tizim dasturini ishlab chiqish.

#include
#include
#include
#define F_CPU 1000000UL // Mikrokontrollerni sinxronizatsiya chasotasi1МГц
#define DQ 0
#define RS 1
#define RW 2
#define E 3
//*******************************************************************
void count_termo(uint16_t counter);
void display_init(void);
void display_write(uint8_t reg, uint8_t bit, uint8_t display_data);
void display_write_word(uint8_t data[], uint8_t counter);
uint16_t sensor_write(uint8_t function_cmd, uint8_t scratchpad);
void sensor_write_1_0(uint8_t bit);
uint8_t sensor_read_1_0(void);
//****************************************************************
int main(void)
{
// kirish\chiqish liniyasini sozlash
uint16_t counter; // taymer o'zgaruvchilar
DDRB=254; // 7 liniya boshqarish displeyi, 1-liniya o`lchov
PORTB=0; // PB1-PB7 liniyalari va rezistr PB0 ni qayta o'rnatish
// tashqi qo`shimcha qurilmaarni sozash
display_init(); // initializatsia displeyi
sensor_write(0x4E, 0x1F); // 9-bitli o`zgartirish natijasi
while(1)
{
sensor_write(0x44, 0x00); // temperaturani o`zgarishi
_delay_ms(200);
counter=sensor_write(0xBE, 0x00); // temperature ma`lumotlarini o`qish
display_write(0, 0, 0x1);
_delay_ms(20); // xizmni bajarish uchun ketadigan vaqt
count_termo(counter);
}
}
//*******************************************************************
void count_termo(uint16_t counter)
{
uint16_t buffer;
uint8_t doli=0; // ulush
uint8_t edin=0; // yagona
uint8_t des=0; // o`nlik
uint8_t sot=0; // yuzlik
counter=counter>>3;
buffer=counter;
if ((counter & 256)==256)
{
;
}

else if ((counter & 256)==0)

{
counter=buffer;
while(counter>0)
{
++doli;
if (doli>1)
{
doli=0;
++edin;
if (edin>9)
{
edin=0;
++des;
if (des>9)
{
des=0;
++sot;
}
}
}
--counter;
}
if (sot==1)
{
display_write_word("1", 1);
if (des==0)
display_write_word("0", 1);
else if (des==1)
display_write_word("1", 1);
else if (des==2)
display_write_word("2", 1);
else if (des==3)
display_write_word("3", 1);
else if (des==4)
display_write_word("4", 1);
else if (des==5)
display_write_word("5", 1);
else if (des==6)
display_write_word("6", 1);
else if (des==7)
display_write_word("7", 1);
else if (des==8)
display_write_word("8", 1);
else if (des==9)
display_write_word("9", 1);
if (edin==0)
display_write_word("0", 1);
else if (edin==1)
display_write_word("1", 1);
else if (edin==2)
display_write_word("2", 1);
else if (edin==3)
display_write_word("3", 1);
else if (edin==4)
display_write_word("4", 1);
else if (edin==5)
display_write_word("5", 1);
else if (edin==6)
display_write_word("6", 1);
else if (edin==7)
display_write_word("7", 1);
else if (edin==8)
display_write_word("8", 1);
else if (edin==9)
display_write_word("9", 1);
display_write_word(",", 1);
if (doli==0)
display_write_word("0", 1);
else if (doli==1)
display_write_word("5", 1);
return;
}
else if (des>0)
{
if (des==1)
display_write_word("1", 1);
else if (des==2)
display_write_word("2", 1);
else if (des==3)
display_write_word("3", 1);
else if (des==4)
display_write_word("4", 1);
else if (des==5)
display_write_word("5", 1);
else if (des==6)
display_write_word("6", 1);
else if (des==7)
display_write_word("7", 1);
else if (des==8)
display_write_word("8", 1);
else if (des==9)
display_write_word("9", 1);
if (edin==0)
display_write_word("0", 1);
else if (edin==1)
display_write_word("1", 1);
else if (edin==2)
display_write_word("2", 1);
else if (edin==3)
display_write_word("3", 1);
else if (edin==4)
display_write_word("4", 1);
else if (edin==5)
display_write_word("5", 1);
else if (edin==6)
display_write_word("6", 1);
else if (edin==7)
display_write_word("7", 1);
else if (edin==8)
display_write_word("8", 1);
else if (edin==9)
display_write_word("9", 1);
display_write_word(",", 1);
if (doli==0)
display_write_word("0", 1);
else if (doli==1)
display_write_word("5", 1);
return;
}
else if (edin==0)
display_write_word("0", 1);
else if (edin==1)
display_write_word("1", 1);
else if (edin==2)
display_write_word("2", 1);
else if (edin==3)
display_write_word("3", 1);
else if (edin==4)
display_write_word("4", 1);
else if (edin==5)
display_write_word("5", 1);
else if (edin==6)
display_write_word("6", 1);
else if (edin==7)
display_write_word("7", 1);
else if (edin==8)
display_write_word("8", 1);
else if (edin==9)
display_write_word("9", 1);
display_write_word(",", 1);
if (doli==0)
display_write_word("0", 1);
else if (doli==1)
display_write_word("5", 1);
return;
}
}
//funksiya
// display_init – funksiyani qayta ko`rib chiqish displeyi
void display_init(void)
{
// ko`rib chiqish displeyi
_delay_ms(20); // pitaniyani o`rnaish uchun 20 ms kutish
display_write(0, 1, 0x3); // 8 bitli razryadni sozlash
display_write(0, 1, 0x3); // 8 bitli razryadni sozlash
display_write(0, 1, 0x3); // 8 bitli razryadni sozlash
display_write(0, 1, 0x2); // 4 bitli razryadni sozlash
display_write(0, 0, 0x28); // o`zgarilivchilarni o`rnatish
display_write(0, 0, 0x8); //displeyni o`chirish
display_write(0, 0, 0x1); // displeyni tozalash
_delay_ms(20); // pitaniyani o`rnaish uchun 20 ms kutish
display_write(0, 0, 0x6); // m`lumotlarni o`rnatish rejimi
display_write(0, 0, 0xC); // displeyni oqish
}
// display_write – displeydagi ma`lumotlarni funksiyasini yozish
// reg - 0/1 => buyruq\ma`lumot
// bit - 0/1 => joriy bit ko`rsatkichlar shinasi 4\8
// display_data - 0xXX => qiymati, ekranda yozilgan
void display_write(uint8_t reg, uint8_t bit, uint8_t display_data)
{
// buyruq\ma`lumotlarini yozish
// o`zgaruvchilarni `lon qilish
uint8_t buffer; // bir oraliq ma'lumotlar buferi
// buyruq\ma`lumotlarini yozish
if (bit==1)
{
// 8-bit holati foydalanayotgan bo'lsangiz
display_data=(display_data & 0xF0) | (0< PORTB=display_data; // yozish buyruqi
display_data=(display_data & 0xF0) | (0< PORTB=display_data; // yozish buyruqi
_delay_us(100); // malumotlar bazani o`rnatgandan keying xolat
}
else if (bit==0)
{
// 4-bit rejimini foydalanayotgan bo'lsangiz
buffer=display_data; // ma'lumotlarni nusxasini buferi display_data=(display_data & 0xF0) | (reg< PORTB=display_data; // yozish buyruqi
display_data=(display_data & 0xF0) | (reg< PORTB=display_data; // yozish buyruqi
display_data=buffer; // ma`lumotlarni nusxalash buferi
display_data=(display_data<<4); // chap 4 bit orqali banddir
display_data=(display_data & 0xF0) | (reg< PORTB=display_data; // yozish buyruqi
display_data=(display_data & 0xF0) | (reg< PORTB=display_data; // yozish komandasi
_delay_us(100); // yozish buyrug'i / ma'lumotlar keyin kechiktirib
}
}
// display_write_word - displey funksiyasi satri
// data[] – simvol massivi
// counter – xisoblash simvaoli
void display_write_word(uint8_t data[], uint8_t counter)
{
// o'zgaruvchilar e'lon qilish
uint8_t i; // umumiy oraliq
for(i=0; i {
display_write(1, 0, data[i]); // Ekrandagi belgi satrni yozib
}
}
// sensor_write - ro'yxatga olish vazifasi buyruq / ma'lumot sensori
// function_cmd – funksiyanalni komanda
// scratchpad –ma`lumot
uint16_t sensor_write(uint8_t function_cmd, uint8_t scratchpad)
{
// o'zgaruvchilar e'lon qilish
uint8_t i; // xisoblagich 8\16 bit
uint8_t logic_level; // liniyasi DQ MANTIQ darajasi
uint8_t rom_cmd; // ROM xotira
uint8_t buffer; // xotira buferi
uint16_t response; // ikki-bayt harorat ma'lumotlar
rom_cmd=0xCC; //xar doim Skip ROM
response=0x0; // o'zgaruvchan harorat ma'lumotlar sıfırlanması
// reset ipulsi va mavjudligi impulsi
DDRB=DDRB | (1< _delay_us(960); // kechikish 480мкс
DDRB=DDRB & 0xFE; // yozish 1
_delay_us(960); // kechikish 480мкс
// yozish buyruqi ROM xotira
for(i=0; i<8; ++i)
{
buffer=rom_cmd; //ma`lumotlar buyrugi
buffer=buffer & 0x1; // 1-bitli ajratish
if(buffer==0x1)
{
sensor_write_1_0(1); // yozish 1
}
else if (buffer==0x0)
{
sensor_write_1_0(0); // yozish 0
}
rom_cmd=(rom_cmd>>1); // o'ng raqamda qo'llanma so'z mazmunini ko'chirish }
_delay_ms(20); // buyruqlar o'rtasidagi kechikish
rom_cmd=function_cmd; tayinlash buyruq nusxa
for(i=0; i<8; ++i)
{
buffer=function_cmd; // ma`lumotlarni nusxalash
buffer=buffer & 0x1; // 1-bitli ajratish
if(buffer==0x1)
{
sensor_write_1_0(1); // yozish 1
}
else if (buffer==0x0)
{
sensor_write_1_0(0); // yozish 0
}
function_cmd=(function_cmd>>1); // o'ng raqamda qo'llanma so'z mazmunini ko'chirish
}
_delay_ms(20); // buyruqlar o'rtasidagi kechikish
function_cmd=rom_cmd; funktsional jamoasi tayinlash nusxa
if (function_cmd==0x4E)
{
// agar buyruqdan foydalansa Write_Scratchpad
for(i=0; i<16; ++i)
{
sensor_write_1_0(0); // запись 0
}
for(i=0; i<8; ++i)
{
buffer=scratchpad; // ma`lumotlarni nusxalash
buffer=buffer & 0x1; // 1-biti ajratish
if(buffer==0x1)
{
sensor_write_1_0(1); // yozish 1
}
else if (buffer==0x0)
{
sensor_write_1_0(0); // ozish 0
}
scratchpad=(scratchpad>>1); // o'ng raqam ma'lumotlar so'zlarning mazmunini ko'chirish
}
_delay_ms(20); // ma'lumotlar kechikishidan, yozib keyin
return; // возврат из функции
}
else if (function_cmd==0xBE)
{
// agar buyruqdan foydalansa Write_Scratchpad
for(i=0; i<16; ++i)
{
logic_level=sensor_read_1_0(); // liniyani oqish DQ
if(logic_level==1)
{
response=response | (1<}
}
_delay_ms(20); // ma'lumotlar kechikishidan, yozib keyin
return response; // javoban, harorat ma'lumotlarni beradi
}
else return; // chiqraish
}
// sensor_write_1_0 – funksiya yozish 1/0
// bit - 0/1 => yozish 0/1
void sensor_write_1_0(uint8_t bit)
{
if (bit==0)
{
DDRB=DDRB | (1< _delay_us(100); // задержка 100мкс
DDRB=DDRB & 0xFE; // yozish 1
}
else if (bit==1)
{
DDRB=DDRB | (1< DDRB=DDRB & 0xFE; // yozish 1
_delay_us(100); // kechikish 100мкс
}
}
// sensor_read_1_0 – o`qish fuksiyasai 1/0
uint8_t sensor_read_1_0(void)
{
// объявление переменных
uint8_t bit; // данные DQ
DDRB=DDRB | (1<DDRB=DDRB & 0xFE; // yozish 1
_delay_us(8); // kechikish
bit=PINB & 0x1; // liniya xolatini tekshirish DQ
_delay_us(100); // kechikish100мкс
if (bit==0x1)
{
return 1; // qaytarish 1
}
else if (bit==0x0)
{
return 0; // qaytarsih 0
}
}
//********************************************************************************