got mqtt and wifi connection working reliably

src/main.cpp

@@ -10,6 +10,8 @@
 #include <cstdio>
 #include <cstring>
 
+static dhcp_server_t dhcp_server{};
+
 void ap_init() {
   cyw43_arch_enable_ap_mode("SensorAP", "passwort123", CYW43_AUTH_WPA2_AES_PSK);
 
@@ -18,7 +20,7 @@ void ap_init() {
   IP4_ADDR(&gw, 192, 168, 4, 1);
   IP4_ADDR(&mask, 255, 255, 255, 0);
 
-  static dhcp_server_t dhcp_server{};
+  dhcp_server_deinit(&dhcp_server);
   dhcp_server_init(&dhcp_server, &gw, &mask);
 }
 
@@ -39,12 +41,14 @@ int connect_to_wifi() {
     cyw43_arch_poll();
     sleep_ms(100);
   }
+  dhcp_server_deinit(&dhcp_server);
   cyw43_arch_disable_ap_mode();
+  cyw43_arch_disable_sta_mode();
   sleep_ms(500);
   cyw43_arch_enable_sta_mode();
 
   ret = cyw43_arch_wifi_connect_timeout_ms(saved_ssid, saved_password,
-                                           CYW43_AUTH_WPA2_MIXED_PSK, 10000);
+                                           CYW43_AUTH_WPA2_MIXED_PSK, 30000);
   if (ret == 0) {
     return 0;
   }
@@ -73,6 +77,7 @@ int connect_to_mqtt() {
   info.client_user = saved_mqtt_user;
   info.client_pass = saved_mqtt_password;
 
+  mqtt_status = -1;
   mqtt_client_connect(client, &broker_ip, saved_mqtt_port, mqtt_cb,
                       &mqtt_status, &info);
   while (mqtt_status == -1) {
@@ -82,9 +87,33 @@ int connect_to_mqtt() {
   return mqtt_status;
 }
 
+BME280_READING_INTERVALS_MS convert_Interval(int interval) {
+  if (interval < 1 && interval > 0) {
+    return INTERVAL_0_5MS;
+  } else if (interval < 20 && interval > 1) {
+    return INTERVAL_10MS;
+  } else if (interval < 30 && interval > 10) {
+    return INTERVAL_20MS;
+  } else if (interval < 125 && interval > 20) {
+    return INTERVAL_62_5MS;
+  } else if (interval < 250 && interval > 62.5) {
+    return INTERVAL_125MS;
+  } else if (interval < 500 && interval > 125) {
+    return INTERVAL_250MS;
+  } else if (interval < 1000 && interval > 250) {
+    return INTERVAL_500MS;
+  } else if (interval > 1000) {
+    return INTERVAL_1000MS;
+  } else {
+    return INTERVAL_500MS;
+  }
+}
+
 int main() {
   int mqtt_ret{-1};
   int wifi_status{1};
+  int bme_status{-1};
+  bme280_handle_t handle{};
   stdio_init_all();
   sleep_ms(3000);
   cyw43_arch_init();
@@ -92,7 +121,10 @@ int main() {
 
   while (wifi_status != 0) {
     wifi_status = (connect_to_wifi() == 0) ? 0 : 1;
+    printf("Wifi status: %d\n", wifi_status);
   }
+  printf("Connected to wifi!\n");
+  printf("IP: %s\n", ip4addr_ntoa(netif_ip4_addr(netif_default)));
 
   while (true) {
     while (saved_mqtt_address[0] == '\0') {
@@ -100,10 +132,23 @@ int main() {
       sleep_ms(200);
     }
     mqtt_ret = connect_to_mqtt();
-    if (mqtt_ret) {
+    if (!mqtt_ret) {
+      printf("Connected to mqtt!\n");
       break;
     } else {
+      printf("Mqtt Status: %d\n", mqtt_ret);
       reset_mqtt_config();
     }
   }
+  bme_status =
+      bme280_init(&handle, 0x76, convert_Interval(saved_measure_frequency));
+  if (!bme_status) {
+    while (true) {
+      bme280_read_data(handle);
+      printf("Messwerte: %s\n", bme280_get_json(handle));
+      // publish_mqtt();
+      cyw43_arch_poll();
+      sleep_ms(500);
+    }
+  }
 }