at25xxx.h

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/*
 * SPDX-FileCopyrightText: 2019 ML!PA Consulting GmbH
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include <stdint.h>
#include <stdbool.h>
 
#include "periph/spi.h"
#include "periph/gpio.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    spi_t spi;              
    spi_clk_t spi_clk;      
    spi_cs_t cs_pin;        
    gpio_t wp_pin;          
    gpio_t hold_pin;        
    uint32_t size;          
    uint16_t page_size;     
} at25xxx_params_t;

typedef struct {
    at25xxx_params_t params;    
} at25xxx_t;

int at25xxx_init(at25xxx_t *dev, const at25xxx_params_t *params);

uint8_t at25xxx_read_byte(const at25xxx_t *dev, uint32_t pos);

int at25xxx_read(const at25xxx_t *dev, uint32_t pos, void *data, size_t len);

void at25xxx_write_byte(const at25xxx_t *dev, uint32_t pos, uint8_t data);

int at25xxx_write(const at25xxx_t *dev, uint32_t pos, const void *data, size_t len);

int at25xxx_write_page(const at25xxx_t *dev, uint32_t page, uint32_t offset,
                       const void *data, size_t len);

int at25xxx_set(const at25xxx_t *dev, uint32_t pos, uint8_t val, size_t len);

int at25xxx_clear(const at25xxx_t *dev, uint32_t pos, size_t len);
 
#ifdef __cplusplus
}
#endif