Stats-Binärframes

struct StatsCore {
    uint8_t  response_code;  // 0x18
    uint8_t  stats_type;     // 0x00 (STATS_TYPE_CORE)
    uint16_t battery_mv;
    uint32_t uptime_secs;
    uint16_t errors;
    uint8_t  queue_len;
} __attribute__((packed));

struct StatsRadio {
    uint8_t  response_code;  // 0x18
    uint8_t  stats_type;     // 0x01 (STATS_TYPE_RADIO)
    int16_t  noise_floor;
    int8_t   last_rssi;
    int8_t   last_snr;       // Durch 4.0 teilen für den tatsächlichen SNR-Wert in dB
    uint32_t tx_air_secs;
    uint32_t rx_air_secs;
} __attribute__((packed));

struct StatsPackets {
    uint8_t  response_code;  // 0x18
    uint8_t  stats_type;     // 0x02 (STATS_TYPE_PACKETS)
    uint32_t recv;
    uint32_t sent;
    uint32_t flood_tx;
    uint32_t direct_tx;
    uint32_t flood_rx;
    uint32_t direct_rx;
    uint32_t recv_errors;    // Nur vorhanden, wenn die Frame-Größe 30 Bytes beträgt
} __attribute__((packed));

# CMD_GET_STATS-Befehl senden
def send_get_stats_core(serial_interface):
    """Befehl zum Abrufen der Core-Statistiken senden"""
    cmd = bytes([56, 0])  # CMD_GET_STATS (56) + STATS_TYPE_CORE (0)
    serial_interface.write(cmd)

def send_get_stats_radio(serial_interface):
    """Befehl zum Abrufen der Funk-Statistiken senden"""
    cmd = bytes([56, 1])  # CMD_GET_STATS (56) + STATS_TYPE_RADIO (1)
    serial_interface.write(cmd)

def send_get_stats_packets(serial_interface):
    """Befehl zum Abrufen der Paket-Statistiken senden"""
    cmd = bytes([56, 2])  # CMD_GET_STATS (56) + STATS_TYPE_PACKETS (2)
    serial_interface.write(cmd)

import struct

def parse_stats_core(frame):
    """RESP_CODE_STATS + STATS_TYPE_CORE Frame (11 Bytes) parsen"""
    response_code, stats_type, battery_mv, uptime_secs, errors, queue_len = \
        struct.unpack('<B B H I H B', frame)
    assert response_code == 24 and stats_type == 0, "Invalid response type"
    return {
        'battery_mv': battery_mv,
        'uptime_secs': uptime_secs,
        'errors': errors,
        'queue_len': queue_len
    }

def parse_stats_radio(frame):
    """RESP_CODE_STATS + STATS_TYPE_RADIO Frame (14 Bytes) parsen"""
    response_code, stats_type, noise_floor, last_rssi, last_snr, tx_air_secs, rx_air_secs = \
        struct.unpack('<B B h b b I I', frame)
    assert response_code == 24 and stats_type == 1, "Invalid response type"
    return {
        'noise_floor': noise_floor,
        'last_rssi': last_rssi,
        'last_snr': last_snr / 4.0,  # SNR-Skalierung rückgängig machen
        'tx_air_secs': tx_air_secs,
        'rx_air_secs': rx_air_secs
    }

def parse_stats_packets(frame):
    """RESP_CODE_STATS + STATS_TYPE_PACKETS Frame (26 oder 30 Bytes) parsen"""
    assert len(frame) >= 26, "STATS_TYPE_PACKETS frame too short"
    response_code, stats_type, recv, sent, flood_tx, direct_tx, flood_rx, direct_rx = \
        struct.unpack('<B B I I I I I I', frame[:26])
    assert response_code == 24 and stats_type == 2, "Invalid response type"
    result = {
        'recv': recv,
        'sent': sent,
        'flood_tx': flood_tx,
        'direct_tx': direct_tx,
        'flood_rx': flood_rx,
        'direct_rx': direct_rx
    }
    if len(frame) >= 30:
        (recv_errors,) = struct.unpack('<I', frame[26:30])
        result['recv_errors'] = recv_errors
    return result

// CMD_GET_STATS-Befehl senden
const CMD_GET_STATS = 56;
const STATS_TYPE_CORE = 0;
const STATS_TYPE_RADIO = 1;
const STATS_TYPE_PACKETS = 2;

function sendGetStatsCore(serialInterface: SerialPort): void {
    const cmd = new Uint8Array([CMD_GET_STATS, STATS_TYPE_CORE]);
    serialInterface.write(cmd);
}

function sendGetStatsRadio(serialInterface: SerialPort): void {
    const cmd = new Uint8Array([CMD_GET_STATS, STATS_TYPE_RADIO]);
    serialInterface.write(cmd);
}

function sendGetStatsPackets(serialInterface: SerialPort): void {
    const cmd = new Uint8Array([CMD_GET_STATS, STATS_TYPE_PACKETS]);
    serialInterface.write(cmd);
}

interface StatsCore {
    battery_mv: number;
    uptime_secs: number;
    errors: number;
    queue_len: number;
}

interface StatsRadio {
    noise_floor: number;
    last_rssi: number;
    last_snr: number;
    tx_air_secs: number;
    rx_air_secs: number;
}

interface StatsPackets {
    recv: number;
    sent: number;
    flood_tx: number;
    direct_tx: number;
    flood_rx: number;
    direct_rx: number;
    recv_errors?: number;  // Nur vorhanden, wenn der Frame 30 Bytes lang ist
}

function parseStatsCore(buffer: ArrayBuffer): StatsCore {
    const view = new DataView(buffer);
    const response_code = view.getUint8(0);
    const stats_type = view.getUint8(1);
    if (response_code !== 24 || stats_type !== 0) {
        throw new Error('Invalid response type');
    }
    return {
        battery_mv: view.getUint16(2, true),
        uptime_secs: view.getUint32(4, true),
        errors: view.getUint16(8, true),
        queue_len: view.getUint8(10)
    };
}

function parseStatsRadio(buffer: ArrayBuffer): StatsRadio {
    const view = new DataView(buffer);
    const response_code = view.getUint8(0);
    const stats_type = view.getUint8(1);
    if (response_code !== 24 || stats_type !== 1) {
        throw new Error('Invalid response type');
    }
    return {
        noise_floor: view.getInt16(2, true),
        last_rssi: view.getInt8(4),
        last_snr: view.getInt8(5) / 4.0,  // SNR-Skalierung rückgängig machen
        tx_air_secs: view.getUint32(6, true),
        rx_air_secs: view.getUint32(10, true)
    };
}

function parseStatsPackets(buffer: ArrayBuffer): StatsPackets {
    const view = new DataView(buffer);
    if (buffer.byteLength < 26) {
        throw new Error('STATS_TYPE_PACKETS frame too short');
    }
    const response_code = view.getUint8(0);
    const stats_type = view.getUint8(1);
    if (response_code !== 24 || stats_type !== 2) {
        throw new Error('Invalid response type');
    }
    const result: StatsPackets = {
        recv: view.getUint32(2, true),
        sent: view.getUint32(6, true),
        flood_tx: view.getUint32(10, true),
        direct_tx: view.getUint32(14, true),
        flood_rx: view.getUint32(18, true),
        direct_rx: view.getUint32(22, true)
    };
    if (buffer.byteLength >= 30) {
        result.recv_errors = view.getUint32(26, true);
    }
    return result;
}