/*
 * powerEngined.h
 *
 *  Created on: Jan 26, 2015
 *      Author: aras
 */

#ifndef POWERENGINED_POWERENGINED_H_
#define POWERENGINED_POWERENGINED_H_
#include <avr/io.h>

/* primitivas 1-wire transaction ds2438 . toda data/comandos es leida y escrita
 * primero el bit menos significativo */



/* Hardware definitions */
#define I2C_SLAVE_ADDR  0x26

#define DQ_BIT  PB3
#define DQ_PORT PORTB
#define DQ_PIN  PINB
#define DQ_DDR  DDRB

/* DS2438Z definitions */
#define READ_ROM   0X33
#define MATCH_ROM  0x55
#define SEARCH_ROM 0xF0
#define SKIP_ROM   0xCC
#define     WRITE_SP  0x4E
#define     READ_SP   0xBE
#define     COPY_SP   0x48
#define     CONV_T    0x44
#define     CONV_V    0xB4
#define     RCALL_MEM 0xB8


/* DS2438Z Memory Pages (ver datasheet) */
#define PAGE_0 0x00
#define PAGE_1 0x01
#define PAGE_2 0x02
#define PAGE_3 0x03
#define PAGE_4 0x04
#define PAGE_5 0x05
#define PAGE_6 0x06
#define PAGE_7 0x07




/* Funciones de escritura */
void write_0_signal();//pull-low, wait 15us, remain low 45us (min), release (high),wait 1us
void write_1_signal();//pull-low, wait 10us, release (high) 50us (min), remain high,wait 1us
void write_byte(uint8_t byte);
void write_bytes(uint8_t* pbytes,uint8_t len);

/* Funciones de lectura */
uint8_t read_signal();//pull-low, wait 1us, release, pin I , wait 9us, read line,
							 //wait 50us(min), pin O, wait 1us
uint8_t read_byte();
void read_bytes(uint8_t* pbytes, uint8_t len);


// 1 reset pulse trasmition (maestro)
// low signal for a minimum of 480us. luego del flanco de subida,
// espera de 15-60us y recibe el pulso de presencia del ds2438
// (low 60-240us)

// 2 presence pulse (respuesta del esclavo)

void initialization();

void memory_read(uint8_t* pbytes, uint8_t page_addr);


// 5 CONVERT_T        (0x44)      inicia conversion A/D de temperatura
// 6 CONVERT_V        (0xB4)      inicia conversion A/D de voltaje
void convert(uint8_t cmd);


void send_data(uint8_t* pbytes, uint8_t len);


#endif /* POWERENGINED_POWERENGINED_H_ */