X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosui%2Faltoslib%2Fsrc%2Forg%2Faltusmetrum%2FAltosLib%2FAltosLink.java;h=9b80e9166f473241855eaa28cbf56e0d373f4089;hb=5270a0f1416baef5fde08547c6c98d97f973ae95;hp=80f3d7124aa1b5049791fc6ed67b571fdd0ffe95;hpb=4c88b0ca96758b663c82395e63b338043d1c1a10;p=fw%2Faltos diff --git a/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java b/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java index 80f3d712..9b80e916 100644 --- a/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java +++ b/altosui/altoslib/src/org/altusmetrum/AltosLib/AltosLink.java @@ -17,10 +17,222 @@ package org.altusmetrum.AltosLib; -public interface AltosLink { - public void printf(String format, Object ... arguments) throws InterruptedException; +import java.lang.*; +import java.io.*; +import java.util.concurrent.*; +import java.util.*; +import java.text.*; - public String get_reply() throws InterruptedException; +public abstract class AltosLink { + public abstract void print(String data); + public abstract void close(); - public String get_reply(int timeout) throws InterruptedException; + public static boolean debug = false; + public static void set_debug(boolean in_debug) { debug = in_debug; } + LinkedList pending_output = new LinkedList(); + + public LinkedList> monitors = new LinkedList> ();; + public LinkedBlockingQueue reply_queue = new LinkedBlockingQueue(); + + public void add_monitor(LinkedBlockingQueue q) { + set_monitor(true); + monitors.add(q); + } + + public void remove_monitor(LinkedBlockingQueue q) { + monitors.remove(q); + if (monitors.isEmpty()) + set_monitor(false); + } + + public void printf(String format, Object ... arguments) { + String line = String.format(format, arguments); + if (debug) + pending_output.add(line); + print(line); + } + + public String get_reply_no_dialog(int timeout) throws InterruptedException, TimeoutException { + flush_output(); + AltosLine line = reply_queue.poll(timeout, TimeUnit.MILLISECONDS); + if (line != null) + return line.line; + return null; + } + + public String get_reply(int timeout) throws InterruptedException { + try { + return get_reply_no_dialog(timeout); + } catch (TimeoutException te) { + return null; + } + } + + public String get_reply() throws InterruptedException { + return get_reply(5000); + } + + public void add_telem(AltosLine line) throws InterruptedException { + for (int e = 0; e < monitors.size(); e++) { + LinkedBlockingQueue q = monitors.get(e); + q.put(line); + } + } + + public void add_reply(AltosLine line) throws InterruptedException { + reply_queue.put (line); + } + + public void add_string(String line) throws InterruptedException { + if (line.startsWith("TELEM") || line.startsWith("VERSION") || line.startsWith("CRC")) { + add_telem(new AltosLine(line)); + } else { + add_reply(new AltosLine(line)); + } + } + + public void add_bytes(byte[] bytes, int len) throws InterruptedException { + String line; + try { + line = new String(bytes, 0, len, "UTF-8"); + } catch (UnsupportedEncodingException ue) { + line = ""; + for (int i = 0; i < len; i++) + line = line + bytes[i]; + } + if (debug) + System.out.printf("\t\t\t\t\t%s\n", line); + add_string(line); + } + + public void flush_output() { + for (String s : pending_output) + System.out.print(s); + pending_output.clear(); + } + + public void flush_input(int timeout) throws InterruptedException { + flush_output(); + boolean got_some; + + do { + Thread.sleep(timeout); + got_some = !reply_queue.isEmpty(); + reply_queue.clear(); + } while (got_some); + } + + + public void flush_input() throws InterruptedException { + flush_input(100); + } + + + /* + * Various command-level operations on + * the link + */ + public boolean monitor_mode = false; + public int telemetry = AltosLib.ao_telemetry_standard; + public double frequency; + AltosConfigData config_data; + + private int telemetry_len() { + return AltosLib.telemetry_len(telemetry); + } + + public void set_telemetry(int in_telemetry) { + telemetry = in_telemetry; + if (monitor_mode) + printf("m 0\nm %x\n", telemetry_len()); + flush_output(); + } + + public void set_monitor(boolean monitor) { + monitor_mode = monitor; + if (monitor) + printf("m %x\n", telemetry_len()); + else + printf("m 0\n"); + flush_output(); + } + + private void set_channel(int channel) { + if (monitor_mode) + printf("m 0\nc r %d\nm %x\n", + channel, telemetry_len()); + else + printf("c r %d\n", channel); + flush_output(); + } + + private void set_radio_setting(int setting) { + if (monitor_mode) + printf("m 0\nc R %d\nm %x\n", + setting, telemetry_len()); + else + printf("c R %d\n", setting); + flush_output(); + } + + public void set_radio_frequency(double frequency, + boolean has_setting, + int cal) { + if (debug) + System.out.printf("set_radio_frequency %7.3f %b %d\n", frequency, has_setting, cal); + if (has_setting) + set_radio_setting(AltosConvert.radio_frequency_to_setting(frequency, cal)); + else + set_channel(AltosConvert.radio_frequency_to_channel(frequency)); + } + + public AltosConfigData config_data() throws InterruptedException, TimeoutException { + if (config_data == null) + config_data = new AltosConfigData(this); + return config_data; + } + + public void set_radio_frequency(double in_frequency) throws InterruptedException, TimeoutException { + frequency = in_frequency; + config_data(); + set_radio_frequency(frequency, + config_data.radio_setting != 0, + config_data.radio_calibration); + } + + public void set_callsign(String callsign) { + printf ("c c %s\n", callsign); + flush_output(); + } + + public boolean remote; + public int serial; + public String name; + + public void start_remote() throws TimeoutException, InterruptedException { + if (debug) + System.out.printf("start remote %7.3f\n", frequency); + if (frequency == 0.0) + frequency = AltosPreferences.frequency(serial); + set_radio_frequency(frequency); + set_callsign(AltosPreferences.callsign()); + printf("p\nE 0\n"); + flush_input(); + remote = true; + } + + public void stop_remote() throws InterruptedException { + if (debug) + System.out.printf("stop remote\n"); + try { + flush_input(); + } finally { + printf ("~\n"); + flush_output(); + } + remote = false; + } + + public AltosLink() { + } }