X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosEepromTm.java;fp=altoslib%2FAltosEepromTm.java;h=b8914131532a6188c90be7595c0682a199ca064d;hp=0000000000000000000000000000000000000000;hb=a299a5a9a1b89c7ebc00ebd33a789793a6835181;hpb=82b3e3e4889aa5d4d157df1ad82e28068fda9e2a

diff --git a/altoslib/AltosEepromTm.java b/altoslib/AltosEepromTm.java
new file mode 100644
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--- /dev/null
+++ b/altoslib/AltosEepromTm.java
@@ -0,0 +1,159 @@
+/*
+ * 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	i;
+	public int	a;
+	public int	b;
+
+	public static final int	record_length = 2;
+
+	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);
+
+		switch (cmd) {
+		case AltosLib.AO_LOG_FLIGHT:
+			state.set_state(AltosLib.ao_flight_boost);
+			state.set_flight(b);
+			break;
+		case AltosLib.AO_LOG_PRESSURE:
+			if (tick == 0)
+				state.set_ground_pressure(AltosConvert.barometer_to_pressure(b));
+			else
+				state.set_pressure(AltosConvert.barometer_to_pressure(b));
+			break;
+		case AltosLib.AO_LOG_STATE:
+			state.set_state(a);
+			break;
+		}
+	}
+
+	public AltosEepromTm (AltosEepromChunk chunk, int start, AltosState state) throws ParseException {
+		int	value = chunk.data16(start);
+
+		int	i = (chunk.address + start) / record_length;
+
+		cmd = chunk.data(start);
+		valid = true;
+
+		valid = !chunk.erased(start, record_length);
+
+		switch (i) {
+		case 0:
+			cmd = AltosLib.AO_LOG_FLIGHT;
+			tick = 0;
+			a = 0;
+			b = value;
+			break;
+		case 1:
+			cmd = AltosLib.AO_LOG_PRESSURE;
+			tick = 0;
+			a = 0;
+			b = value;
+			break;
+		default:
+			if ((value & 0x8000) != 0) {
+				cmd = AltosLib.AO_LOG_STATE;
+				tick = state.tick;
+				a = value & 0x7fff;
+				b = 0;
+			} else {
+				if (state.ascent)
+					tick = state.tick + 10;
+				else
+					tick = state.tick + 100;
+				cmd = AltosLib.AO_LOG_PRESSURE;
+				a = 0;
+				b = value;
+			}
+			break;
+		}
+	}
+
+	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;
+	}
+
+}