diff options
Diffstat (limited to 'altoslib/AltosGPSQuery.java')
| -rw-r--r-- | altoslib/AltosGPSQuery.java | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/altoslib/AltosGPSQuery.java b/altoslib/AltosGPSQuery.java new file mode 100644 index 00000000..d48ff7e4 --- /dev/null +++ b/altoslib/AltosGPSQuery.java @@ -0,0 +1,264 @@ +/* + * Copyright © 2012 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; + +import java.util.concurrent.*; + +class AltosADCTM { + int tick; + int accel; + int pres; + int temp; + int batt; + int drogue; + int main; + + public AltosADCTM(AltosLink link) throws InterruptedException, TimeoutException { + link.printf("a\n"); + for (;;) { + String line = link.get_reply_no_dialog(5000); + if (line == null) { + throw new TimeoutException(); + } + if (!line.startsWith("tick:")) + continue; + String[] items = line.split("\\s+"); + for (int i = 0; i < items.length;) { + if (items[i].equals("tick:")) { + tick = Integer.parseInt(items[i+1]); + i += 2; + continue; + } + if (items[i].equals("accel:")) { + accel = Integer.parseInt(items[i+1]); + i += 2; + continue; + } + if (items[i].equals("pres:")) { + pres = Integer.parseInt(items[i+1]); + i += 2; + continue; + } + if (items[i].equals("temp:")) { + temp = Integer.parseInt(items[i+1]); + i += 2; + continue; + } + if (items[i].equals("batt:")) { + batt = Integer.parseInt(items[i+1]); + i += 2; + continue; + } + if (items[i].equals("drogue:")) { + drogue = Integer.parseInt(items[i+1]); + i += 2; + continue; + } + if (items[i].equals("main:")) { + main = Integer.parseInt(items[i+1]); + i += 2; + continue; + } + i++; + } + break; + } + } +} + +class AltosGPSQuery extends AltosGPS { + public AltosGPSQuery (AltosLink link, AltosConfigData config_data) + throws TimeoutException, InterruptedException { + boolean says_done = config_data.compare_version("1.0") >= 0; + link.printf("g\n"); + for (;;) { + String line = link.get_reply_no_dialog(5000); + if (line == null) + throw new TimeoutException(); + String[] bits = line.split("\\s+"); + if (bits.length == 0) + continue; + if (line.startsWith("Date:")) { + if (bits.length < 2) + continue; + String[] d = bits[1].split(":"); + if (d.length < 3) + continue; + year = Integer.parseInt(d[0]) + 2000; + month = Integer.parseInt(d[1]); + day = Integer.parseInt(d[2]); + continue; + } + if (line.startsWith("Time:")) { + if (bits.length < 2) + continue; + String[] d = bits[1].split("/"); + if (d.length < 3) + continue; + hour = Integer.parseInt(d[0]); + minute = Integer.parseInt(d[1]); + second = Integer.parseInt(d[2]); + continue; + } + if (line.startsWith("Lat/Lon:")) { + if (bits.length < 3) + continue; + lat = Integer.parseInt(bits[1]) * 1.0e-7; + lon = Integer.parseInt(bits[2]) * 1.0e-7; + continue; + } + if (line.startsWith("Alt:")) { + if (bits.length < 2) + continue; + alt = Integer.parseInt(bits[1]); + continue; + } + if (line.startsWith("Flags:")) { + if (bits.length < 2) + continue; + int status = Integer.decode(bits[1]); + connected = (status & AltosLib.AO_GPS_RUNNING) != 0; + locked = (status & AltosLib.AO_GPS_VALID) != 0; + if (!says_done) + break; + continue; + } + if (line.startsWith("Sats:")) { + if (bits.length < 2) + continue; + nsat = Integer.parseInt(bits[1]); + cc_gps_sat = new AltosGPSSat[nsat]; + for (int i = 0; i < nsat; i++) { + int svid = Integer.parseInt(bits[2+i*2]); + int cc_n0 = Integer.parseInt(bits[3+i*2]); + cc_gps_sat[i] = new AltosGPSSat(svid, cc_n0); + } + } + if (line.startsWith("done")) + break; + if (line.startsWith("Syntax error")) + break; + } + } +} + +public class AltosIdleMonitor extends Thread { + AltosLink link; + AltosIdleMonitorListener listener; + AltosState state; + boolean remote; + double frequency; + AltosState previous_state; + AltosConfigData config_data; + AltosADC adc; + AltosGPS gps; + + int AltosRSSI() throws TimeoutException, InterruptedException { + link.printf("s\n"); + String line = link.get_reply_no_dialog(5000); + if (line == null) + throw new TimeoutException(); + String[] items = line.split("\\s+"); + if (items.length < 2) + return 0; + if (!items[0].equals("RSSI:")) + return 0; + int rssi = Integer.parseInt(items[1]); + return rssi; + } + + void update_state() throws InterruptedException, TimeoutException { + AltosRecordTM record = new AltosRecordTM(); + int rssi; + + try { + if (remote) { + link.set_radio_frequency(frequency); + link.start_remote(); + } else + link.flush_input(); + config_data = new AltosConfigData(link); + adc = new AltosADC(link); + gps = new AltosGPSQuery(link, config_data); + } finally { + if (remote) { + link.stop_remote(); + rssi = AltosRSSI(); + } else + rssi = 0; + } + + record.version = 0; + record.callsign = config_data.callsign; + record.serial = config_data.serial; + record.flight = config_data.log_available() > 0 ? 255 : 0; + record.rssi = rssi; + record.status = 0; + record.state = AltosLib.ao_flight_idle; + + record.tick = adc.tick; + + record.accel = adc.accel; + record.pres = adc.pres; + record.batt = adc.batt; + record.temp = adc.temp; + record.drogue = adc.drogue; + record.main = adc.main; + + record.ground_accel = record.accel; + record.ground_pres = record.pres; + record.accel_plus_g = config_data.accel_cal_plus; + record.accel_minus_g = config_data.accel_cal_minus; + record.acceleration = 0; + record.speed = 0; + record.height = 0; + record.gps = gps; + state = new AltosState (record, state); + } + + public void set_frequency(double in_frequency) { + frequency = in_frequency; + } + + public void post_state() { + listener.update(state); + } + + public void run() { + try { + for (;;) { + try { + update_state(); + post_state(); + } catch (TimeoutException te) { + } + Thread.sleep(1000); + } + } catch (InterruptedException ie) { + link.close(); + } + } + + public AltosIdleMonitor(AltosIdleMonitorListener in_listener, AltosLink in_link, boolean in_remote) + throws FileNotFoundException, InterruptedException, TimeoutException { + listener = in_listener; + link = in_link; + remote = in_remote; + state = null; + } +} |