/*
 / _____)             _              | |
( (____  _____ ____ _| |_ _____  ____| |__
 \____ \| ___ |    (_   _) ___ |/ ___)  _ \
 _____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
    (C)2014 Semtech

Description: State Grid CRC, Whitening Method and Reverse Method

License: Revised BSD License, see LICENSE.TXT file include in the project

Maintainer: Jiapeng Li
*/

#ifndef __SX1208_STATE_GRID_H
#define __SX1208_STATE_GRID_H

/** use <stdint.h> type */
#include "stdint.h"

#define SX1208_STATE_GRID_GOOD_CRC 			(0x0F47)

uint16_t sx1208_state_grid_crc_calc(uint8_t *buf, uint8_t len);
uint16_t sx1208_state_grid_crc_check(uint8_t *buf, uint8_t len);

//uint8_t sx1208_state_grid_whitening_data(uint8_t data, uint8_t index);
//void sx1208_state_grid_whitening_buf(uint8_t *buf, uint16_t len, uint8_t start_index);

uint8_t sx1208_state_grid_whitening_reverse_data(uint8_t data, uint8_t index);
void sx1208_state_grid_whitening_reverse_buf(uint8_t *buf, uint16_t len, uint8_t start_index);

uint8_t sx1208_state_grid_reverse_whitening_data(uint8_t data, uint8_t index);
void sx1208_state_grid_reverse_whitening_buf(uint8_t *buf, uint16_t len, uint8_t start_index);

uint8_t sx1208_state_grid_reverse(uint8_t val);

#endif