eeprom25AA256.h

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/*
 * Copyright (C) 2015 Gautier Hattenberger
 *
 * This file is part of paparazzi.
 *
 * paparazzi is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * paparazzi is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with paparazzi; see the file COPYING.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef EEPROM25AA256_H
#define EEPROM25AA256_H
 
#include "std.h"
#include "mcu_periph/spi.h"
 
#ifndef E25_IN_BUFFER_LEN
#define E25_IN_BUFFER_LEN (1024 + 3)
#endif
 
#ifndef E25_OUT_BUFFER_LEN
#define E25_OUT_BUFFER_LEN 3
#endif
 
struct Eeprom25AA256 {
  struct spi_periph *spi_p;                     
  struct spi_transaction spi_trans;             
  volatile uint8_t tx_buf[E25_OUT_BUFFER_LEN];  
  volatile uint8_t rx_buf[E25_IN_BUFFER_LEN];   
  bool data_available;                        
};
 
extern void eeprom25AA256_init(struct Eeprom25AA256 *eeprom, struct spi_periph *spi_p, uint8_t slave_idx);
 
extern void eeprom25AA256_read(struct Eeprom25AA256 *eeprom, uint16_t addr, uint16_t length);
 
extern void eeprom25AA256_event(struct Eeprom25AA256 *eeprom);
 
#endif // EEPROM25AA256_H