/****************************************************************************
 * Copyright (C) 2020 by Fabrice Muller                                     *
 *                                                                          *
 * This file is useful for ESP32 Design course.                             *
 *                                                                          *
 ****************************************************************************/

/**
 * @file lab1-1_main.c
 * @author Fabrice Muller
 * @date 12 Sep. 2020
 * @brief File containing the lab1-1 of Part 2.
 *
 * @see https://github.com/fmuller-pns/esp32-vscode-project-template
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"

#include "esp_system.h"
#include "esp_spi_flash.h"
#include "esp32/clk.h"
#include "sys/time.h"
#include "soc/rtc.h"
#include "soc/cpu.h"

/**
 * @brief Starting point function
 * 
 */

void app_main(void) {
    esp_chip_info_t chip_info;
    esp_chip_info(&chip_info);
    uint8_t base_mac_addr[6] = {0};

	
	/* Print chip information */
    printf("This is ESP32 chip.\n");
    printf("Features:\n");
    printf(" - CPU clock frequency : %d MHz\n", (uint32_t)(esp_clk_cpu_freq()/1E6));
    printf(" - APB clock frequency : %d MHz\n", (uint32_t)(esp_clk_apb_freq()/1E6));
    printf(" - XTAL clock frequency : %d MHz\n", (uint32_t)(esp_clk_xtal_freq()/1E6));
    printf(" - RTC clock frequency : %f KHz\n", (float)(rtc_clk_slow_freq_get_hz()/1000.0F));
    

   
    printf(" - %d CPU cores\n", chip_info.cores);
    printf(" - chip revision number : %d\n", chip_info.revision);

	/* Print Flash memory information (external/internal & size), Wifi, Bluetooth (Classic/LE ?) */
    printf(" - Features : %d \n", chip_info.features);
    printf(" - Flash memory : %f bytes\n", (float)(spi_flash_get_chip_size()));


	/* Print  MAC Address */
    esp_efuse_mac_get_default(base_mac_addr);
    printf(" - MAC Address : %02x %02x %02x %02x %02x %02x\n", base_mac_addr[0],base_mac_addr[1],base_mac_addr[2],base_mac_addr[3],base_mac_addr[4],base_mac_addr[5]);


	/* Print if Debug mode is actived */
    if (esp_cpu_in_ocd_debug_mode())
    {
        printf("Debug mode enabled\n");;
    }
    else
    {
        printf("Debug mode disabled\n");;
    }
}