ds2740.c File Reference

#include <ioavr.h>
#include <inavr.h>
#include "OWIIntFunctions.h"
#include "OWIInterruptDriven.h"
#include "ds2740.h"
#include "..\uart.h"
#include "..\globales.h"

Include dependency graph for ds2740.c:

Defines
#define	OWI_STATE_IDLE   0
#define	OWI_STATE_DETECT_PRESENCE   1
#define	OWI_STATE_READ_CURRENT   2
#define	OWI_STATE_READ_ACCUMULATED   3
#define	OWI_STATE_WRITE_REG   4
#define	OWI_STATE_RESULT   6
#define	OWI_STATE_NET_ADDRESS   7
#define	FALSE   0
#define	TRUE   1
#define	DS2740_READ_DATA   0x69
	DS2740 read memory.
#define	DS2740_WRITE_DATA   0x6C
	DS2740 write memory.
#define	CURRENT_REG_ADDR   0X0E
#define	ACCUMULATED_REG_ADDR   0X10
Functions
int	OWI_StateMachine (unsigned char sel_state)
	Máquina de estados que controla la comunicación con el bus 1-Wire.
int	ds2740 (unsigned char sel_func)
Variables
OWIflags	OWIStatus
unsigned char *	OWIDataBuffer
unsigned char	espero
unsigned char	timeout
static unsigned char	buf [9]
static unsigned char	buf2 [9]
unsigned char	i
unsigned char	j

---

Detailed Description

Atmel Corporation

• File: main.c
• Compiler: IAR EWAAVR 3.20a
• Support mail: avr@atmel.com

• Supported devices: All AVRs with UART or USART module.

• Application Note: AVR318 - Dallas 1-Wire(R) master.

• Description: Example on how to use the interrupt-driven UART implementation of the 1-Wire(R) protocol.

Revision

1.7

Date

Thursday, August 19, 2004 14:27:16 UTC

---

Define Documentation

#define ACCUMULATED_REG_ADDR   0X10

#define CURRENT_REG_ADDR   0X0E

#define DS2740_READ_DATA   0x69

DS2740 read memory.

#define DS2740_WRITE_DATA   0x6C

DS2740 write memory.

#define FALSE   0

#define OWI_STATE_DETECT_PRESENCE   1

#define OWI_STATE_IDLE   0

#define OWI_STATE_NET_ADDRESS   7

#define OWI_STATE_READ_ACCUMULATED   3

#define OWI_STATE_READ_CURRENT   2

#define OWI_STATE_RESULT   6

#define OWI_STATE_WRITE_REG   4

#define TRUE   1

---

Function Documentation

int ds2740

(

unsigned char

sel_func

)

int OWI_StateMachine

(

unsigned char

sel_state

)

Máquina de estados que controla la comunicación con el bus 1-Wire.

Esta funcion se encarga de leer el valor correspondiente según los parámetros recibido al llamar la función 1-wire

---

Variable Documentation

unsigned char buf[9] [static]

unsigned char buf2[9] [static]

unsigned char espero

unsigned char i

unsigned char j

unsigned char* OWIDataBuffer

OWIflags OWIStatus

unsigned char timeout