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/*
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* powerEngined.h
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*
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* Created on: Jan 26, 2015
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* Author: aras
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*/
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#ifndef POWERENGINED_POWERENGINED_H_
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#define POWERENGINED_POWERENGINED_H_
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#include <avr/io.h>
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/* primitivas 1-wire transaction ds2438 . toda data/comandos es leida y escrita
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* primero el bit menos significativo */
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/* Hardware definitions */
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#define I2C_SLAVE_ADDR 0x26
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#define DQ_BIT PB3
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#define DQ_PORT PORTB
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#define DQ_PIN PINB
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#define DQ_DDR DDRB
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/* DS2438Z definitions */
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#define READ_ROM 0X33
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#define MATCH_ROM 0x55
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#define SEARCH_ROM 0xF0
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#define SKIP_ROM 0xCC
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#define WRITE_SP 0x4E
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#define READ_SP 0xBE
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#define COPY_SP 0x48
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#define CONV_T 0x44
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#define CONV_V 0xB4
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#define RCALL_MEM 0xB8
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/* DS2438Z Memory Pages (ver datasheet) */
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#define PAGE_0 0x00
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#define PAGE_1 0x01
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#define PAGE_2 0x02
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#define PAGE_3 0x03
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#define PAGE_4 0x04
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#define PAGE_5 0x05
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#define PAGE_6 0x06
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#define PAGE_7 0x07
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/* Funciones de escritura */
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void write_0_signal();//pull-low, wait 15us, remain low 45us (min), release (high),wait 1us
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void write_1_signal();//pull-low, wait 10us, release (high) 50us (min), remain high,wait 1us
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void write_byte(uint8_t byte);
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void write_bytes(uint8_t* pbytes,uint8_t len);
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/* Funciones de lectura */
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uint8_t read_signal();//pull-low, wait 1us, release, pin I , wait 9us, read line,
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//wait 50us(min), pin O, wait 1us
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uint8_t read_byte();
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void read_bytes(uint8_t* pbytes, uint8_t len);
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// 1 reset pulse trasmition (maestro)
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// low signal for a minimum of 480us. luego del flanco de subida,
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// espera de 15-60us y recibe el pulso de presencia del ds2438
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// (low 60-240us)
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// 2 presence pulse (respuesta del esclavo)
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void initialization();
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void memory_read(uint8_t* pbytes, uint8_t page_addr);
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// 5 CONVERT_T (0x44) inicia conversion A/D de temperatura
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// 6 CONVERT_V (0xB4) inicia conversion A/D de voltaje
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void convert(uint8_t cmd);
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void send_data(uint8_t* pbytes, uint8_t len);
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#endif /* POWERENGINED_POWERENGINED_H_ */
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