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/**
* @file
*
* @brief Public APIs to get device Information.
*/
/*
* Copyright (c) 2018 Alexander Wachter
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_DRIVERS_HWINFO_H_
#define ZEPHYR_INCLUDE_DRIVERS_HWINFO_H_
#include <zephyr/types.h>
#include <sys/types.h>
#include <stddef.h>
#include <errno.h>
#include <kernel.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Device ID
* @{
*/
/**
* @brief Copy the device id to a buffer
*
* This routine copies "length" number of bytes of the device ID to the buffer.
* If the device ID is smaller then length, the rest of the buffer is left unchanged.
* The ID depends on the hardware and is not guaranteed unique.
*
* @param buffer Buffer to write the ID to.
* @param length Max length of the buffer.
*
* @retval size of the device ID copied or negative on error.
*/
__syscall ssize_t hwinfo_get_device_id(u8_t *buffer, size_t length);
ssize_t z_impl_hwinfo_get_device_id(u8_t *buffer, size_t length);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#include <syscalls/hwinfo.h>
#endif /* ZEPHYR_INCLUDE_DRIVERS_HWINFO_H_ */