M5NanoC6 + Zigbee Scan Network

#if !defined(ZIGBEE_MODE_ED) && !defined(ZIGBEE_MODE_ZCZR)
#error "Zigbee device mode is not selected in Tools->Zigbee mode"
#endif

#include "Zigbee.h"

#ifdef ZIGBEE_MODE_ZCZR
zigbee_role_t role = ZIGBEE_ROUTER;
#else
zigbee_role_t role = ZIGBEE_END_DEVICE;
#endif

void printScannedNetworks(uint16_t networksFound) {
    if (networksFound == 0) {
        Serial.println("No networks found");
    } else {
        zigbee_scan_result_t *scan_result = Zigbee.getScanResult();
        Serial.println("\nScan done");
        Serial.print(networksFound);
        Serial.println(" networks found:");
        Serial.println("Nr | PAN ID | CH | Permit Joining | Router Capacity | End Device Capacity | Extended PAN ID");
        for (int i = 0; i < networksFound; ++i) {
        Serial.printf("%2d", i + 1);
        Serial.print(" | ");
        Serial.printf("0x%04hx", scan_result[i].short_pan_id);
        Serial.print(" | ");
        Serial.printf("%2d", scan_result[i].logic_channel);
        Serial.print(" | ");
        Serial.printf("%-14.14s", scan_result[i].permit_joining ? "Yes" : "No");
        Serial.print(" | ");
        Serial.printf("%-15.15s", scan_result[i].router_capacity ? "Yes" : "No");
        Serial.print(" | ");
        Serial.printf("%-19.19s", scan_result[i].end_device_capacity ? "Yes" : "No");
        Serial.print(" | ");
        Serial.printf(
            "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", scan_result[i].extended_pan_id[7], scan_result[i].extended_pan_id[6], scan_result[i].extended_pan_id[5],
            scan_result[i].extended_pan_id[4], scan_result[i].extended_pan_id[3], scan_result[i].extended_pan_id[2], scan_result[i].extended_pan_id[1],
            scan_result[i].extended_pan_id[0]
        );
        Serial.println();
        delay(10);
        }
        Serial.println("");
        Zigbee.scanDelete();
    }
}

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

    if (!Zigbee.begin(role)) {
        Serial.println("Zigbee failed to start!");
        Serial.println("Rebooting...");
        ESP.restart();
    }

    Serial.println("Setup done, starting Zigbee network scan...");
    Zigbee.scanNetworks();
}

void loop() {
    int16_t ZigbeeScanStatus = Zigbee.scanComplete();
    if (ZigbeeScanStatus < 0) {
        if (ZigbeeScanStatus == ZB_SCAN_FAILED) {
        Serial.println("Zigbee scan has failed. Starting again.");
        delay(1000);
        Zigbee.scanNetworks();
        }
        delay(100);
    } else {
        printScannedNetworks(ZigbeeScanStatus);
        delay(1000);
        Zigbee.scanNetworks();
    }
}