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// Wifi + intTemp _Ergebniss: int.temp from 156F to 168F
/*
 *  This sketch demonstrates how to scan WiFi networks.
 *  The API is almost the same as with the WiFi Shield library,
 *  the most obvious difference being the different file you need to include:
 */

 /*
github : pcbreflux/espressif
espressif/esp32/arduino/sketchbook/ESP32_int_temp_sensor/ESP32_int_temp_sensor.ino

*/
#include "WiFi.h"

#include <time.h>
#include <sys/time.h>

#ifdef __cplusplus
extern "C" {
#endif
uint8_t temprature_sens_read();
//uint8_t g_phyFuns;

#ifdef __cplusplus
}
#endif


void setup()
{
    Serial.begin(115200);

    // Set WiFi to station mode and disconnect from an AP if it was previously connected
    WiFi.mode(WIFI_STA);
    WiFi.disconnect();
    delay(100);

    Serial.println("Setup done");
    
    tzset();
}
uint8_t temp_farenheit;
float temp_celsius;
char strftime_buf[64];
time_t now = 0;
struct tm timeinfo;
char buf[256];

void loop()
{
    Serial.println("scan start");

    // WiFi.scanNetworks will return the number of networks found
    int n = WiFi.scanNetworks();
    Serial.println("scan done");
    if (n == 0) {
        Serial.println("no networks found");
    } else {
        Serial.print(n);
        Serial.println(" networks found");
        for (int i = 0; i < n; ++i) {
            // Print SSID and RSSI for each network found
            Serial.print(i + 1);
            Serial.print(": ");
            Serial.print(WiFi.SSID(i));
            Serial.print(" (");
            Serial.print(WiFi.RSSI(i));
            Serial.print(")");
            Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?" ":"*");
            delay(10);
        }
    }
    Serial.println("");

    localtime_r(&now, &timeinfo);
    strftime(strftime_buf, sizeof(strftime_buf), "%c", &timeinfo);
    sprintf(buf,"scan start %02d:%02d:%02d ",timeinfo.tm_hour,timeinfo.tm_min,timeinfo.tm_sec);
    Serial.print (buf);

    temp_farenheit= temprature_sens_read();
    temp_celsius = ( temp_farenheit - 32 ) / 1.8;
    Serial.print("Temp onBoard ");
    Serial.print(temp_farenheit);
    Serial.print("°F ");
    Serial.print(temp_celsius);
    Serial.println("°C");
    delay(1000);
    now++;

    // Wait a bit before scanning again
    delay(5000);
}