powerEngined.h
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r193 | /* | ||
| * powerEngined.h | ||||
| * | ||||
| * Created on: Jan 26, 2015 | ||||
| * Author: aras | ||||
| */ | ||||
| #ifndef POWERENGINED_POWERENGINED_H_ | ||||
| #define POWERENGINED_POWERENGINED_H_ | ||||
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r216 | #include <avr/io.h> | ||
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r193 | |||
| /* primitivas 1-wire transaction ds2438 . toda data/comandos es leida y escrita | ||||
| * primero el bit menos significativo */ | ||||
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r216 | /* Hardware definitions */ | ||
| #define I2C_SLAVE_ADDR 0x26 | ||||
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r216 | #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); | ||||
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r193 | void write_bytes(uint8_t* pbytes,uint8_t len); | ||
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r216 | /* Funciones de lectura */ | ||
| uint8_t read_signal();//pull-low, wait 1us, release, pin I , wait 9us, read line, | ||||
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r193 | //wait 50us(min), pin O, wait 1us | ||
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r216 | uint8_t read_byte(); | ||
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r193 | 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(); | ||||
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r216 | void memory_read(uint8_t* pbytes, uint8_t page_addr); | ||
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r193 | // 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); | ||||
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r216 | void send_data(uint8_t* pbytes, uint8_t len); | ||
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r193 | |||
| #endif /* POWERENGINED_POWERENGINED_H_ */ | ||||