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examples/lte_lwm2m: Implement device object
Implement some resources in device object - manufacture - model number - serial number - firmware version - reboot - memory free - memory total
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| /**************************************************************************** | ||
| * lte_lwm2m/system_device.c | ||
| * | ||
| * Copyright 2021 Sony Semiconductor Solutions Corporation | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in | ||
| * the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * 3. Neither the name of Sony Semiconductor Solutions Corporation nor | ||
| * the names of its contributors may be used to endorse or promote | ||
| * products derived from this software without specific prior written | ||
| * permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | ||
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | ||
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | ||
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| * | ||
| ****************************************************************************/ | ||
|
|
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| /**************************************************************************** | ||
| * Included Files | ||
| ****************************************************************************/ | ||
|
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| #include <nuttx/config.h> | ||
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| #include <stdio.h> | ||
| #include <string.h> | ||
| #include <stdlib.h> | ||
| #include <malloc.h> | ||
| #include <sys/boardctl.h> | ||
| #include <sys/utsname.h> | ||
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| #include "lwm2mclient.h" | ||
| #include "liblwm2m.h" | ||
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| /**************************************************************************** | ||
| * Pre-processor Definitions | ||
| ****************************************************************************/ | ||
|
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| #define PRV_MANUFACTURER "SONY SPRESENSE" | ||
| #define PRV_MODEL_NUMBER "CXD5602PWBMAIN1" | ||
| #define PRV_MEMORY_TOTAL (1536 * 1024 / 1000) | ||
|
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| /**************************************************************************** | ||
| * Public Functions | ||
| ****************************************************************************/ | ||
|
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| const char *get_manufacture(void) | ||
| { | ||
| return PRV_MANUFACTURER; | ||
| } | ||
|
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| const char *get_model_number(void) | ||
| { | ||
| return PRV_MODEL_NUMBER; | ||
| } | ||
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| const char *get_serial_number(void) | ||
| { | ||
| uint8_t uid[CONFIG_BOARDCTL_UNIQUEID_SIZE]; | ||
| static char boardid[CONFIG_BOARDCTL_UNIQUEID_SIZE * 2 + 1]; | ||
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| memset(boardid, 0, sizeof(boardid)); | ||
| boardctl(BOARDIOC_UNIQUEID, (uintptr_t)uid); | ||
| snprintf(boardid, sizeof(boardid), "%02X%02X%02X%02X%02X", | ||
| uid[0], uid[1], uid[2], uid[3], uid[4]); | ||
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| return boardid; | ||
| } | ||
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| const char *get_firmware_version(void) | ||
| { | ||
| static struct utsname name; | ||
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| uname(&name); | ||
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| return name.version; | ||
| } | ||
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| void device_reboot(void) | ||
| { | ||
| boardctl(BOARDIOC_RESET, EXIT_SUCCESS); | ||
| exit(1); | ||
| } | ||
|
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| int get_free_memory(void) | ||
| { | ||
| struct mallinfo info; | ||
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| info = mallinfo(); | ||
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| return info.fordblks / 1000; | ||
| } | ||
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| int get_total_memory(void) | ||
| { | ||
| return PRV_MEMORY_TOTAL; | ||
| } |