/**********************************************************************
*   Copyright: (C)2023 LingYun IoT System Studio
*      Author: GuoWenxue<guowenxue@gmail.com> QQ: 281143292
* Description: ISKBoard Serial Number Hardware Abstract Layer driver
*
*   ChangeLog:
*        Version    Date       Author            Description
*        V1.0.0  2023.04.3    GuoWenxue      Release initial version
***********************************************************************/

#ifndef BOARD_DEVSN_H_
#define BOARD_DEVSN_H_

/*
 * SN Format:  ISK1023001
 * +----------+----------+----------+----------+
 * |   ISK    |     10   |     23   |   001    |
 * +----------+----------+----------+----------+
 * | ISKBoard |    V1.0  |    2023  |  Serial  |
 * +----------+----------+----------+----------+
 */

#define DEVSN_LEN         10

/* Write device Serial Number into OTP flash */
extern int write_devsn(char *devsn, int bytes);

/* Read device Serial Number from OTP flash */
extern int read_devsn(char *devsn, int size);

#endif /* BOARD_DEVSN_H_ */