diff options
Diffstat (limited to 'altoslib/AltosEepromTM.java')
| -rw-r--r-- | altoslib/AltosEepromTM.java | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/altoslib/AltosEepromTM.java b/altoslib/AltosEepromTM.java new file mode 100644 index 00000000..36803912 --- /dev/null +++ b/altoslib/AltosEepromTM.java @@ -0,0 +1,205 @@ +/* + * Copyright © 2010 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.io.*; +import java.util.*; +import java.text.*; + +public class AltosEepromTM extends AltosEeprom { + public int a; + public int b; + + public static final int record_length = 8; + + public void write(PrintStream out) { + out.printf("%c %4x %4x %4x\n", cmd, tick, a, b); + } + + public int record_length() { return record_length; } + + public String string() { + return String.format("%c %4x %4x %4x\n", cmd, tick, a, b); + } + + public void update_state(AltosState state) { + super.update_state(state); + + AltosGPS gps; + + /* Flush any pending GPS changes */ + if (state.gps_pending) { + switch (cmd) { + case AltosLib.AO_LOG_GPS_LAT: + case AltosLib.AO_LOG_GPS_LON: + case AltosLib.AO_LOG_GPS_ALT: + case AltosLib.AO_LOG_GPS_SAT: + case AltosLib.AO_LOG_GPS_DATE: + break; + default: + state.set_temp_gps(); + break; + } + } + + switch (cmd) { + case AltosLib.AO_LOG_FLIGHT: + state.set_state(AltosLib.ao_flight_pad); + state.set_ground_accel(a); + state.set_flight(b); + state.set_boost_tick(tick); + break; + case AltosLib.AO_LOG_SENSOR: + state.set_accel(a); + state.set_pressure(AltosConvert.barometer_to_pressure(b)); + break; + case AltosLib.AO_LOG_PRESSURE: + state.set_pressure(AltosConvert.barometer_to_pressure(b)); + break; + case AltosLib.AO_LOG_TEMP_VOLT: + state.set_temperature(AltosConvert.thermometer_to_temperature(a)); + state.set_battery_voltage(AltosConvert.cc_battery_to_voltage(b)); + break; + case AltosLib.AO_LOG_DEPLOY: + state.set_apogee_voltage(AltosConvert.cc_ignitor_to_voltage(a)); + state.set_main_voltage(AltosConvert.cc_ignitor_to_voltage(b)); + break; + case AltosLib.AO_LOG_STATE: + state.set_state(a); + break; + case AltosLib.AO_LOG_GPS_TIME: + gps = state.make_temp_gps(false); + + gps.hour = (a & 0xff); + gps.minute = (a >> 8); + gps.second = (b & 0xff); + + int flags = (b >> 8); + + gps.connected = (flags & AltosLib.AO_GPS_RUNNING) != 0; + gps.locked = (flags & AltosLib.AO_GPS_VALID) != 0; + gps.nsat = (flags & AltosLib.AO_GPS_NUM_SAT_MASK) >> + AltosLib.AO_GPS_NUM_SAT_SHIFT; + break; + case AltosLib.AO_LOG_GPS_LAT: + gps = state.make_temp_gps(false); + + int lat32 = a | (b << 16); + gps.lat = (double) lat32 / 1e7; + break; + case AltosLib.AO_LOG_GPS_LON: + gps = state.make_temp_gps(false); + + int lon32 = a | (b << 16); + gps.lon = (double) lon32 / 1e7; + break; + case AltosLib.AO_LOG_GPS_ALT: + gps = state.make_temp_gps(false); + gps.alt = a; + break; + case AltosLib.AO_LOG_GPS_SAT: + gps = state.make_temp_gps(true); + int svid = a; + int c_n0 = b >> 8; + gps.add_sat(svid, c_n0); + break; + case AltosLib.AO_LOG_GPS_DATE: + gps = state.make_temp_gps(false); + gps.year = (a & 0xff) + 2000; + gps.month = a >> 8; + gps.day = b & 0xff; + break; + } + } + + public AltosEepromTM (AltosEepromChunk chunk, int start) throws ParseException { + + cmd = chunk.data(start); + valid = true; + + valid = !chunk.erased(start, record_length); + if (valid) { + if (AltosConvert.checksum(chunk.data, start, record_length) != 0) + throw new ParseException(String.format("invalid checksum at 0x%x", + chunk.address + start), 0); + } else { + cmd = AltosLib.AO_LOG_INVALID; + } + + tick = chunk.data16(start + 2); + a = chunk.data16(start + 4); + b = chunk.data16(start + 6); + } + + public AltosEepromTM (String line) { + valid = false; + tick = 0; + a = 0; + b = 0; + if (line == null) { + cmd = AltosLib.AO_LOG_INVALID; + } else { + try { + String[] tokens = line.split("\\s+"); + + if (tokens[0].length() == 1) { + if (tokens.length != 4) { + cmd = AltosLib.AO_LOG_INVALID; + } else { + cmd = tokens[0].codePointAt(0); + tick = Integer.parseInt(tokens[1],16); + valid = true; + a = Integer.parseInt(tokens[2],16); + b = Integer.parseInt(tokens[3],16); + } + } else { + cmd = AltosLib.AO_LOG_INVALID; + } + } catch (NumberFormatException ne) { + cmd = AltosLib.AO_LOG_INVALID; + } + } + } + + public AltosEepromTM(int in_cmd, int in_tick, int in_a, int in_b) { + valid = true; + cmd = in_cmd; + tick = in_tick; + a = in_a; + b = in_b; + } + + static public LinkedList<AltosEeprom> read(FileInputStream input) { + LinkedList<AltosEeprom> tms = new LinkedList<AltosEeprom>(); + + for (;;) { + try { + String line = AltosLib.gets(input); + if (line == null) + break; + AltosEepromTM tm = new AltosEepromTM(line); + tms.add(tm); + } catch (IOException ie) { + break; + } + } + + return tms; + } + +} |