ESP8266 PHP admin paneli için öneri

#ifndef firmware_config_h
#define firmware_config_h

#include <inttypes.h>

#define RST_PIN D1

#define WIFI_SSID           ""
#define WIFI_PASS           ""
#define LOGIN_REMOTE_ADDR   ""
#define EXIT_REMOTE_ADDR    ""
#define POST_JSON_STRING    "{\"uid\": %u}"

#endif

#include "config.h"

#define  INFO(fmt, ...) serial_printf("[ INFO] " fmt, ##__VA_ARGS__);
#define  WARN(fmt, ...) serial_printf("[ WARN] " fmt, ##__VA_ARGS__);
#define ERROR(fmt, ...) serial_printf("[ERROR] " fmt, ##__VA_ARGS__);

void setup() {
    serial_init(9600);
    wifi_init();
}

void loop() {

    // TODO: this might cause some problems with the WiFi
    // stack's execution, test it properly
    if (!wifi_check_connectivity()) {
        WARN("not connected to wifi\n");
        wifi_connect_loop();
        return;
    }
}

#include <WiFiClient.h>
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>

void wifi_init() {
    wifi_connect_loop();
}

void wifi_connect_loop() {
    INFO("connecting to wifi: %s", WIFI_SSID);
    WiFi.begin(WIFI_SSID, WIFI_PASS);

    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    };

    Serial.print("\n");
    INFO("connected to wifi: %s\n", WiFi.localIP());
}

bool wifi_check_connectivity() {
    return WiFi.status() == WL_CONNECTED;
}

int wifi_request_access(uint32_t uid, uint8_t reader) {
    WiFiClient client;
    HTTPClient http;
    char request_body[20];

    http.begin(client, reader == 0 ? LOGIN_REMOTE_ADDR : EXIT_REMOTE_ADDR);
    http.addHeader("Content-Type", "application/json");

    snprintf(request_body, sizeof(request_body), "{\"uid\": %zu}", uid);
    INFO("req summary: %u:%u:request_body:%s\n", reader, uid, request_body);

    int http_code = http.POST(request_body);
    INFO("respone http code: %d\n", http_code);

    // TODO: add response body based checks
    return http_code < 0 ? http_code : http_code == 200;
}