TEKTELIC - Cold Room

Codec Preview

/* eslint-disable no-nested-ternary */ /* eslint-disable no-bitwise */ /* eslint-disable no-plusplus */ function Decoder(bytes, port) { const decoded = []; if (port === 10) { for (let i = 0; i < bytes.length; ) { const channel = bytes[i++]; const type = bytes[i++]; // battery voltage if (channel === 0x00 && type === 0xff) { decoded.push({ variable: "battery_voltage", value: bytes.readInt16BE(i) * 0.01, unit: "V" }); i += 2; } // external connector: digital input state else if (channel === 0x0e && type === 0x00) { if (bytes.readUInt8(i) !== 0xff && bytes.readUInt8(i) !== 0x00) { return [{ variable: "parser_error", value: "Parser error: digital input state only accepts 0x00 or 0xFF" }]; } decoded.push({ variable: "extconnector_state", value: bytes[i++] === 0xff ? "open-circuited" : "short-circuited" }); } // external connector: digital input count else if (channel === 0x0f && type === 0x04) { decoded.push({ variable: "extconnector_count", value: bytes.readUInt16BE(i) }); i += 2; } // mcu temperature else if (channel === 0x0b && type === 0x67) { decoded.push({ variable: "mcu_temperature", value: bytes.readInt16BE(i) * 0.1, unit: "°C" }); i += 2; } // ambient temperature else if (channel === 0x03 && type === 0x67) { decoded.push({ variable: "ambient_temperature", value: bytes.readInt16BE(i) * 0.1, unit: "°C" }); i += 2; } // ambient rh else if (channel === 0x04 && type === 0x68) { decoded.push({ variable: "relative_humidity", value: bytes.readUInt8(i++) * 0.5, unit: "%" }); } } } else if (port === 100) { for (let i = 0; i < bytes.length; ) { const address = bytes[i++]; if (address === 0x10) { decoded.push({ variable: "loramac_join_mode", value: bytes.readUInt16BE(i) >> 15 }); i += 2; } else if (address === 0x11) { const opts = bytes.readUInt16BE(i); decoded.push({ variable: "loramac_opts_confirm_mode", value: opts & 0x01 }); decoded.push({ variable: "loramac_opts_sync_word", value: (opts >> 1) & 0x01 }); decoded.push({ variable: "loramac_opts_duty_cycle", value: (opts >> 2) & 0x01 }); decoded.push({ variable: "loramac_opts_adr", value: (opts >> 3) & 0x01 }); i += 2; } else if (address === 0x12) { const dr_tx = bytes.readUInt16BE(i); decoded.push({ variable: "loramac_dr_tx_dr_number", value: (dr_tx >> 8) & 0x0f }); decoded.push({ variable: "loramac_dr_tx_tx_power_number", value: dr_tx & 0x0f }); i += 2; } else if (address === 0x13) { const rx2 = bytes.slice(i, i + 5); decoded.push({ variable: "loramac_rx2_frequency", value: rx2.readUInt32BE(0), unit: "Hz" }); decoded.push({ variable: "loramac_rx2_dr_number", value: rx2.readUInt8(4) }); i += 5; } else if (address === 0x20) { const ticks = bytes.readUInt32BE(i); i += 4; if ((ticks > 0 && ticks < 60) || ticks > 86400) { continue; } decoded.push({ variable: "seconds_per_core_tick", value: ticks, unit: "sec" }); } else if (address === 0x21) { decoded.push({ variable: "tick_per_battery", value: bytes.readUInt16BE(i) }); i += 2; } else if (address === 0x22) { decoded.push({ variable: "tick_per_ambient_temperature", value: bytes.readUInt16BE(i) }); i += 2; } else if (address === 0x23) { decoded.push({ variable: "tick_per_relative_humidity", value: bytes.readUInt16BE(i) }); i += 2; } else if (address === 0x27) { decoded.push({ variable: "tick_per_mcu_temperature", value: bytes.readUInt16BE(i) }); i += 2; } else if (address === 0x39) { const idle = bytes.readUInt32BE(i); i += 4; if (idle < 30 || idle > 86400) { continue; } decoded.push({ variable: "temperature_relative_humidity_sample_period_idle", value: idle, unit: "sec" }); } else if (address === 0x3a) { const active = bytes.readUInt32BE(i); if (active < 30 || active > 86400) { continue; } decoded.push({ variable: "temperature_relative_humidity_sample_period_active", value: active, unit: "sec" }); i += 4; } else if (address === 0x3b) { const high = bytes.readInt8(i++); const low = bytes.readInt8(i++); if (high <= low) { continue; } decoded.push({ variable: "ambient_temperature_threshold_high", value: high, unit: "°C" }); decoded.push({ variable: "ambient_temperature_threshold_low", value: low, unit: "°C" }); } else if (address === 0x3c) { decoded.push({ variable: "ambient_temperature_threshold_enabled", value: bytes.readUInt8(i++) & 0x01 }); } else if (address === 0x3d) { const high = bytes.readUInt8(i++); const low = bytes.readUInt8(i++); if (high <= low) { continue; } decoded.push({ variable: "relative_humidity_threshold_high", value: high, unit: "%" }); decoded.push({ variable: "relative_humidity_threshold_low", value: low, unit: "%" }); } else if (address === 0x3e) { decoded.push({ variable: "relative_humidity_threshold_enabled", value: bytes.readUInt8(i++) & 0x01 }); } else if (address === 0x40) { const mcu_temperature_period = bytes.readUInt32BE(i); i += 4; if (mcu_temperature_period < 30 || mcu_temperature_period > 86400) { continue; } decoded.push({ variable: "mcu_temperature_sample_period_idle", value: mcu_temperature_period, unit: "sec" }); } else if (address === 0x41) { const mcu_temperature_period = bytes.readUInt32BE(i); i += 4; if (mcu_temperature_period < 30 || mcu_temperature_period > 86400) { continue; } decoded.push({ variable: "mcu_temperature_sample_period_active", value: mcu_temperature_period, unit: "sec" }); } else if (address === 0x42) { const high = bytes.readInt8(i++); const low = bytes.readInt8(i++); if (high <= low) { continue; } decoded.push({ variable: "mcu_temperature_threshold_high", value: high, unit: "°C" }); decoded.push({ variable: "mcu_temperature_threshold_low", value: low, unit: "°C" }); } else if (address === 0x43) { decoded.push({ variable: "mcu_temperature_threshold_enabled", value: bytes.readUInt8(i++) & 0x01 }); } else if (address === 0x70) { const flash = bytes.readUInt16BE(i); decoded.push({ variable: "write_to_flash_app_configuration", value: (flash >> 14) & 0x01 }); decoded.push({ variable: "write_to_flash_lora_configuration", value: (flash >> 13) & 0x01 }); decoded.push({ variable: "write_to_flash_restart_sensor", value: flash & 0x01 }); i += 2; } else if (address === 0x71) { decoded.push({ variable: "firmware_version_app_major_version", value: bytes.readUInt8(i++) }); decoded.push({ variable: "firmware_version_app_minor_version", value: bytes.readUInt8(i++) }); decoded.push({ variable: "firmware_version_app_revision", value: bytes.readUInt8(i++) }); decoded.push({ variable: "firmware_version_loramac_major_version", value: bytes.readUInt8(i++) }); decoded.push({ variable: "firmware_version_loramac_minor_version", value: bytes.readUInt8(i++) }); decoded.push({ variable: "firmware_version_loramac_revision", value: bytes.readUInt8(i++) }); decoded.push({ variable: "firmware_version_region", value: bytes.readUInt8(i++) }); } else if (address === 0x72) { const reset = bytes[i++]; if (reset !== 0x0a && reset !== 0xb0 && reset !== 0xba) { continue; } decoded.push({ variable: "configuration_factory_reset", value: `0x${reset.toString(16)}`, }); } } } return decoded; } /* let payload = [ // { variable: "payload", value: "0367000a046828" }, { variable: "payload", value: "3b46d8" }, { variable: "port", value: 100 }, ]; */ const data = payload.find((x) => x.variable === "payload_raw" || x.variable === "payload" || x.variable === "data"); const port = payload.find((x) => x.variable === "port" || x.variable === "fport"); if (data && port) { const buffer = Buffer.from(data.value, "hex"); const serie = new Date().getTime(); payload = Decoder(buffer, port.value); payload = payload.map((x) => ({ ...x, serie })); } // console.log(payload);