привожу листинг..ну какой есть, (большей частью сгенерированный CodeWizard-ом)
/************************************************** ***
This program was produced by the
CodeWizardAVR V1.24.4 Standard
Automatic Program Generator
© Copyright 1998-2004 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
e-mail
[email protected]
Project :
Version :
Date : 14.07.2010
Author : Alex
Company : Home
Comments:
Chip type :
ATmega128
Program type : Application
Clock frequency : 14,745600 MHz
Memory model : Small
External SRAM size : 0
Data Stack size : 1024
************************************************** ***/
#include ‹mega128.h›
// 1 Wire Bus functions
#asm
.equ __w1_port=0x12 ;PORTD
.equ __w1_bit=0
#endasm
#include ‹1wire.h›
//
DS1820 Temperature Sensor functions
#include ‹ds1820.h›
// maximum number of DS1820 devices
// connected to the 1 Wire bus
#define MAX_DS1820 8
// number of DS1820 devices
// connected to the 1 Wire bus
unsigned char ds1820_devices;
// DS1820 devices ROM code storage area,
// 9 bytes are used for each device
// (see the w1_search function description in the help)
unsigned char ds1820_rom_codes[MAX_DS1820,9];
#define RXB8 1
#define TXB8 0
#define UPE 2
#define OVR 3
#define FE 4
#define UDRE 5
#define RXC 7
#define FRAMING_ERROR (1‹‹FE)
#define PARITY_ERROR (1‹‹UPE)
#define DATA_OVERRUN (1‹‹OVR)
#define DATA_REGISTER_EMPTY (1‹‹UDRE)
#define RX_COMPLETE (1‹‹RXC)
#define MAX_DEVICES 8
// USART0 Receiver buffer
#define RX_BUFFER_SIZE0 8
char rx_buffer0[RX_BUFFER_SIZE0];
#if RX_BUFFER_SIZE0‹256
unsigned char rx_wr_index0,rx_rd_index0,rx_counter0;
#else
unsigned int rx_wr_index0,rx_rd_index0,rx_counter0;
#endif
// This flag is set on USART0 Receiver buffer overflow
bit rx_buffer_overflow0;
// USART0 Receiver interrupt service routine
interrupt [USART0_RXC] void usart0_rx_isr(void)
{
char status,data;
status=UCSR0A;
data=UDR0;
if ((status & (FRAMING_ERROR | PARITY_ERROR | DATA_OVERRUN))==0)
{
rx_buffer0[rx_wr_index0]=data;
if (++rx_wr_index0 == RX_BUFFER_SIZE0) rx_wr_index0=0;
if (++rx_counter0 == RX_BUFFER_SIZE0)
{
rx_counter0=0;
rx_buffer_overflow0=1;
};
};
}
#ifndef _DEBUG_TERMINAL_IO_
// Get a character from the USART0 Receiver buffer
#define _ALTERNATE_GETCHAR_
#pragma used+
char getchar(void)
{
char data;
while (rx_counter0==0);
data=rx_buffer0[rx_rd_index0];
if (++rx_rd_index0 == RX_BUFFER_SIZE0) rx_rd_index0=0;
#asm("cli")
--rx_counter0;
#asm("sei")
return data;
}
#pragma used-
#endif
// USART0 Transmitter buffer
#define TX_BUFFER_SIZE0 8
char tx_buffer0[TX_BUFFER_SIZE0];
#if TX_BUFFER_SIZE0‹256
unsigned char tx_wr_index0,tx_rd_index0,tx_counter0;
#else
unsigned int tx_wr_index0,tx_rd_index0,tx_counter0;
#endif
// USART0 Transmitter interrupt service routine
interrupt [USART0_TXC] void usart0_tx_isr(void)
{
if (tx_counter0)
{
--tx_counter0;
UDR0=tx_buffer0[tx_rd_index0];
if (++tx_rd_index0 == TX_BUFFER_SIZE0) tx_rd_index0=0;
};
}
#ifndef _DEBUG_TERMINAL_IO_
// Write a character to the USART0 Transmitter buffer
#define _ALTERNATE_PUTCHAR_
#pragma used+
void putchar(char c)
{
while (tx_counter0 == TX_BUFFER_SIZE0);
#asm("cli")
if (tx_counter0 || ((UCSR0A & DATA_REGISTER_EMPTY)==0))
{
tx_buffer0[tx_wr_index0]=c;
if (++tx_wr_index0 == TX_BUFFER_SIZE0) tx_wr_index0=0;
++tx_counter0;
}
else
UDR0=c;
#asm("sei")
}
#pragma used-
#endif
// Standard Input/Output functions
#include ‹stdio.h›
// Declare your global variables here
void putstring(char *pointer)
{
int i = 0;
while(pointer[i] != '\0')
{
putchar(pointer[i]);
i++;
}
}
unsigned char k,j,devices;
unsigned char n=1;
unsigned char
DS1990_FAMILY_CODE,
DS2405_FAMILY_CODE,
DS1822_FAMILY_CODE,
DS2430_FAMILY_CODE,
DS18S20_FAMILY_CODE,
DS2431_FAMILY_CODE, DS2433_FAMILY_CODE;
void main(void)
{
unsigned char devices;
long i;
char lcd_buffer[33];
unsigned char rom_code[MAX_DEVICES,9];
// Declare your local variables here
// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTA=0x00;
DDRA=0x00;
// Port B initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTB=0x00;
DDRB=0x00;
// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x00;
DDRC=0x00;
// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0x00;
DDRD=0x00;
// Port E initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTE=0x00;
DDRE=0x00;
// Port F initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTF=0x00;
DDRF=0x00;
// Port G initialization
// Func4=In Func3=In Func2=In Func1=In Func0=In
// State4=T State3=T State2=T State1=T State0=T
PORTG=0x00;
DDRG=0x00;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0 output: Disconnected
ASSR=0x00;
TCCR0=0x00;
TCNT0=0x00;
OCR0=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// OC1C output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
OCR1CH=0x00;
OCR1CL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;
// Timer/Counter 3 initialization
// Clock source: System Clock
// Clock value: Timer 3 Stopped
// Mode: Normal top=FFFFh
// Noise Canceler: Off
// Input Capture on Falling Edge
// OC3A output: Discon.
// OC3B output: Discon.
// OC3C output: Discon.
TCCR3A=0x00;
TCCR3B=0x00;
TCNT3H=0x00;
TCNT3L=0x00;
ICR3H=0x00;
ICR3L=0x00;
OCR3AH=0x00;
OCR3AL=0x00;
OCR3BH=0x00;
OCR3BL=0x00;
OCR3CH=0x00;
OCR3CL=0x00;
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// INT2: Off
// INT3: Off
// INT4: Off
// INT5: Off
// INT6: Off
// INT7: Off
EICRA=0x00;
EICRB=0x00;
EIMSK=0x00;
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;
ETIMSK=0x00;
// USART0 initialization
// Communication Parameters: 8 Data, 1 Stop, No Parity
// USART0 Receiver: On
// USART0 Transmitter: On
// USART0 Mode: Asynchronous
// USART0 Baud rate: 9600
UCSR0A=0x00;
UCSR0B=0xD8;
UCSR0C=0x06;
UBRR0H=0x00;
UBRR0L=0x5F;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
// Determine the number of DS1820 devices
// connected to the 1 Wire bus
//ds1820_devices=w1_search(0xf0,ds1820_rom_codes);
// Global enable interrupts
#asm("sei")
while (1)
{
devices=w1_search(0xf0,rom_code);
sprintf(lcd_buffer,"%u device(s) found\n\r",devices);
putstring(lcd_buffer);
/*
putchar (0x0A);
putchar (0x0D); */
for(i = 300000; i; i--);
for (k=0;k‹devices;k++)
{
// Acknowledge DS1990 family code.
if (rom_code[k,0]==DS1990_FAMILY_CODE)
printf("DS1990 #%u serial number:",n++);
// Acknowledge DS2405s family code.
else if (rom_code[k,0]==DS2405_FAMILY_CODE)
printf("DS2405 #%u serial number:",n++);
// Acknowledge DS1822s family code.
else if (rom_code[k,0]==DS1822_FAMILY_CODE)
printf("DS1822 #%u serial number:",n++);
// Acknowledge DS2430s family code.
else if (rom_code[k,0]==DS2430_FAMILY_CODE)
printf("DS2430 #%u serial number:",n++);
// Acknowledge DS18S20s family code.
else if (rom_code[k,0]==DS18S20_FAMILY_CODE)
printf("DS18S20 #%u serial number:",n++);
// Acknowledge DS2431 family code.
else if (rom_code[k,0]==DS2431_FAMILY_CODE)
printf("DS2431 #%u serial number:",n++);
// Acknowledge DS2433 family code.
else if (rom_code[k,0]==DS2433_FAMILY_CODE)
printf("DS2433 #%u serial number:",n++);
for (j=1;j‹=6;j++)
printf(" %02X",rom_code[k,j]);
printf("\n\r");
}
// Place your code here
};
}
Взять температуру ds18s20
).
