one-wire-memory/Inc/memory_ec20.h

#ifndef __1W_EC20
#define __1W_EC20

#include "one_wire.h"

#define DS28EC20_FAMILY_CODE            0x43
#define CMD_WRITE_SCRATCHPAD            0x0F
#define CMD_READ_SCRATCHPAD             0xAA
#define CMD_COPY_SCRATCHPAD             0x55
#define CMD_READ_MEMORY                 0xF0
#define CMD_EXTENDED_READ_MEMORY        0xA5
#define REG_MEMORY_BLOCK_LOCK           0xA1E
#define REG_REGISTER_PAGE_LOCK          0xA1F

#define WRITE_PROTECTION                0x55
#define EPROM_MODE                      0xAA

#define PAGE_SIZE                       0x20
#define NUM_OF_PAGES                    0x50
#define MEM_SIZE                        (PAGE_SIZE * NUM_OF_PAGES)


typedef struct _onewire_ec20_{
    uint8_t buffer_rx[4];
    uint8_t buffer_tx[4];
    uint8_t real_size;
    uint8_t ROM[8];
}OneWire_EC20_typeDef;


uint8_t DS28EC20_init(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);
void DS28EC20_readMem(uint16_t,uint8_t);
uint8_t DS28EC20_writeMem(uint16_t ,uint8_t);

uint32_t DS28EC20_readData4B(uint16_t);
uint16_t DS28EC20_readData2B(uint16_t address);

uint8_t DS28EC20_writeData4B(uint32_t, uint16_t );
uint8_t DS28EC20_writeData2B(uint16_t data, uint16_t  adr);

//uint8_t DS28EC20_writeData4char(uint8_t *data, uint16_t  adr);

#endif