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/*
 * SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: CC0-1.0
 */

#include <stdio.h>
#include <inttypes.h>
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_chip_info.h"
#include "esp_flash.h"

void app_main(void)
{
    printf("Hello world!\n");

    /* Print chip information */
    esp_chip_info_t chip_info;
    uint32_t flash_size;
    esp_chip_info(&chip_info);
    printf("This is %s chip with %d CPU core(s), WiFi%s%s, ",
           CONFIG_IDF_TARGET,
           chip_info.cores,
           (chip_info.features & CHIP_FEATURE_BT) ? "/BT" : "",
           (chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : "");

    unsigned major_rev = chip_info.revision / 100;
    unsigned minor_rev = chip_info.revision % 100;
    printf("silicon revision v%d.%d, ", major_rev, minor_rev);
    if (esp_flash_get_size(NULL, &flash_size) != ESP_OK)
    {
        printf("Get flash size failed");
        return;
    }

    printf("%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024),
           (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");

    printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());

    printf("esp_get_free_heap_size: %" PRIu32 " bytes\n", esp_get_free_heap_size());

    size_t size_to_allocate_1kb = 1000;
    uint8_t *ptr1;
    uint8_t *ptr2;

    ptr1 = malloc(size_to_allocate_1kb * sizeof(*ptr1));
    *(ptr1 + 5) = 555;
    printf("Minimum free heap size after allocating: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
    printf("esp_get_free_heap_size after allocating: %" PRIu32 " bytes\n", esp_get_free_heap_size());

    ptr2 = malloc(size_to_allocate_1kb * sizeof(*ptr2));
    printf("Minimum free heap size after allocating2: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
    printf("esp_get_free_heap_size after allocating2: %" PRIu32 " bytes\n", esp_get_free_heap_size());
}

Code: Select all

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	"owner": "C/C++: IntelliSense",
	"code": "1696",
	"severity": 8,
	"message": "#include errors detected. Please update your includePath. Squiggles are disabled for this translation unit (C:\\Users\\petrikas.lu\\Desktop\\WORK\\gitchangelog-test\\my_project\\main\\hello_world_main.c).",
	"source": "C/C++",
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},{
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},{
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},{
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	"severity": 4,
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	"source": "sonarlint",
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},{
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	"owner": "sonarlint",
	"code": "c:S5276",
	"severity": 4,
	"message": "implicit conversion from 'int' to 'uint8_t' (aka 'unsigned char') changes value from 555 to 43",
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	"severity": 4,
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}]