mbed-os/hal/device_uid_api.h

74 lines
1.9 KiB
C

/** \addtogroup hal */
/** @{*/
/* mbed Microcontroller Library
* Copyright (c) 2017 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_DEVICE_UID_API_H
#define MBED_DEVICE_UID_API_H
#include <stddef.h>
#include "device.h"
#if DEVICE_DEVICEUID
#if !defined(MBED_DEVICEUID_SIZE) || (MBED_DEVICEUID_SIZE == 0)
#error "DEVICE UID Vendor implementation must define macro MBED_DEVICEUID_SIZE with the non-zero uid size in bytes!"
#endif
#if !defined(MBED_DEVICEUID_STR_SIZE_MAX) || (MBED_DEVICEUID_STR_SIZE_MAX == 0)
#warning "DEVICE UID max vendor string length not defined or zero! device_uid_get_str() HAL interface is disabled!"
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* \defgroup hal_device_uid DEVICEUID hal functions
* @{
*/
/** Get DEVICE UID data bytes
*
* @param uid Byte buffer for uid. Must be of size MBED_DEVICEUID_SIZE
*
*/
void device_uid_get_uid(uint8_t *uid);
#ifdef MBED_DEVICEUID_STR_SIZE_MAX
/** Get DEVICE UID vendor string
*
* @param str Character buffer for vendor specific UID string. Must be of size MBED_DEVICEUID_STR_SIZE_MAX
*
* @note
* Implementing this function on target side can be used to provide a vendor specific
* string describing the contents of the UID.
* The string length including terminating zero character must not exceed MBED_DEVICEUID_STR_SIZE_MAX bytes!
*
*/
void device_uid_get_str(char *str);
#endif
/**@}*/
#ifdef __cplusplus
}
#endif
#endif
#endif
/** @}*/