diff options
Diffstat (limited to 'altoslib/AltosTelemetryRecord.java')
| -rw-r--r-- | altoslib/AltosTelemetryRecord.java | 136 | 
1 files changed, 0 insertions, 136 deletions
| diff --git a/altoslib/AltosTelemetryRecord.java b/altoslib/AltosTelemetryRecord.java deleted file mode 100644 index a46c1a33..00000000 --- a/altoslib/AltosTelemetryRecord.java +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright © 2011 Keith Packard <keithp@keithp.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -package org.altusmetrum.altoslib_2; -import java.text.*; - -public abstract class AltosTelemetryRecord { - -	long	received_time; -	abstract public AltosRecord update_state(AltosRecord previous); - -	static boolean cksum(int[] bytes) { -		int	sum = 0x5a; -		for (int i = 1; i < bytes.length - 1; i++) -			sum += bytes[i]; -		sum &= 0xff; -		return sum == bytes[bytes.length - 1]; -	} - -	final static int PKT_APPEND_STATUS_1_CRC_OK		= (1 << 7); -	final static int PKT_APPEND_STATUS_1_LQI_MASK		= (0x7f); -	final static int PKT_APPEND_STATUS_1_LQI_SHIFT		= 0; - -	final static int packet_type_TM_sensor = 0x01; -	final static int packet_type_Tm_sensor = 0x02; -	final static int packet_type_Tn_sensor = 0x03; -	final static int packet_type_configuration = 0x04; -	final static int packet_type_location = 0x05; -	final static int packet_type_satellite = 0x06; -	final static int packet_type_companion = 0x07; -	final static int packet_type_MM_sensor = 0x08; -	final static int packet_type_MM_data = 0x09; -	final static int packet_type_Mini = 0x10; -	 -	static AltosTelemetryRecord parse_hex(String hex)  throws ParseException, AltosCRCException { -		AltosTelemetryRecord	r; - -		int[] bytes; -		try { -			bytes = AltosLib.hexbytes(hex); -		} catch (NumberFormatException ne) { -			throw new ParseException(ne.getMessage(), 0); -		} - -		/* one for length, one for checksum */ -		if (bytes[0] != bytes.length - 2) -			throw new ParseException(String.format("invalid length %d != %d\n", -							       bytes[0], -							       bytes.length - 2), 0); -		if (!cksum(bytes)) -			throw new ParseException(String.format("invalid line \"%s\"", hex), 0); - -		int	rssi = AltosLib.int8(bytes, bytes.length - 3) / 2 - 74; -		int	status = AltosLib.uint8(bytes, bytes.length - 2); - -		if ((status & PKT_APPEND_STATUS_1_CRC_OK) == 0) -			throw new AltosCRCException(rssi); - -		/* length, data ..., rssi, status, checksum -- 4 bytes extra */ -		switch (bytes.length) { -		case AltosLib.ao_telemetry_standard_len + 4: -			int	type = AltosLib.uint8(bytes, 4 + 1); -			switch (type) { -			case packet_type_TM_sensor: -			case packet_type_Tm_sensor: -			case packet_type_Tn_sensor: -				r = new AltosTelemetryRecordSensor(bytes, rssi); -				break; -			case packet_type_configuration: -				r = new AltosTelemetryRecordConfiguration(bytes, rssi); -				break; -			case packet_type_location: -				r = new AltosTelemetryRecordLocation(bytes, rssi); -				break; -			case packet_type_satellite: -				r = new AltosTelemetryRecordSatellite(bytes, rssi); -				break; -			case packet_type_companion: -				r = new AltosTelemetryRecordCompanion(bytes, rssi); -				break; -			case packet_type_MM_sensor: -				r = new AltosTelemetryRecordMegaSensor(bytes, rssi); -				break; -			case packet_type_MM_data: -				r = new AltosTelemetryRecordMegaData(bytes, rssi); -				break; -			default: -				r = new AltosTelemetryRecordRaw(bytes, rssi); -				break; -			} -			break; -		case AltosLib.ao_telemetry_0_9_len + 4: -			r = new AltosTelemetryRecordLegacy(bytes, rssi, status); -			break; -		case AltosLib.ao_telemetry_0_8_len + 4: -			r = new AltosTelemetryRecordLegacy(bytes, rssi, status); -			break; -		default: -			throw new ParseException(String.format("Invalid packet length %d", bytes.length), 0); -		} -		r.received_time = System.currentTimeMillis(); -		return r; -	} - -	public static AltosTelemetryRecord parse(String line) throws ParseException, AltosCRCException { -		AltosTelemetryRecord	r; - -		String[] word = line.split("\\s+"); -		int i =0; -		if (word[i].equals("CRC") && word[i+1].equals("INVALID")) { -			i += 2; -			AltosParse.word(word[i++], "RSSI"); -			throw new AltosCRCException(AltosParse.parse_int(word[i++])); -		} - -		if (word[i].equals("TELEM")) -			r = parse_hex(word[i+1]); -		else -			r = new AltosTelemetryRecordLegacy(line); -		return r; -	} -} | 
