fram.h

#ifndef MBOT_FRAM_H
#define MBOT_FRAM_H
 
#include <stdio.h>
#include <stdint.h>
 
#include <hardware/i2c.h>
#include <pico/stdlib.h>
 
#define FUJITSU_MANUF_ID 0x00A
 
#define MAXADDRESS 512
#define PROD_ID_MB85RC04V 0x010 // 4k version
#define DENSITY_MB85RC04V 0x0   // 4k version
#define MB85RC_ADDRESS_A00   0x50
#define MB85RC_ADDRESS_A01   0x52
#define MB85RC_ADDRESS_A10   0x54
#define MB85RC_ADDRESS_A11   0x56
#define MB85RC_DEFAULT_ADDRESS   MB85RC_ADDRESS_A00
 
#define MASTER_CODE 0xF8
 
#define I2C_FRAM i2c0
 
int mbot_init_fram();
 
int mbot_read_fram(uint16_t addr, size_t length, uint8_t* data);
 
int mbot_write_fram(uint16_t addr, size_t length, uint8_t* data);
 
int mbot_read_word_fram(uint16_t addr, uint16_t* data);
 
int mbot_write_word_fram(uint16_t addr, uint16_t data);
 
int mbot_erase_fram(void);
 
#endif