altosui: Add debug dongle API, split flash UI out

Create an API to talk through the debug port on another AltOS
device. Split the flash UI out from the flash implementation so that a
command line flash utility can be written.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 110 insertions, 0 deletions

diff --git a/ao-tools/altosui/AltosRomconfig.java b/ao-tools/altosui/AltosRomconfig.java
new file mode 100644
index 00000000..5a2df313
--- /dev/null
+++ b/ao-tools/altosui/AltosRomconfig.java
@@ -0,0 +1,110 @@
+/*
+ * 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 altosui;
+import java.io.*;
+import altosui.AltosHexfile;
+
+public class AltosRomconfig {
+	public boolean	valid;
+	public int	version;
+	public int	check;
+	public int	serial_number;
+	public int	radio_calibration;
+
+	static int get_int(byte[] bytes, int start, int len) {
+		int	v = 0;
+		int	o = 0;
+		while (len > 0) {
+			v = v | ((((int) bytes[start]) & 0xff) << o);
+			start++;
+			len--;
+			o += 8;
+		}
+		return v;
+	}
+
+	static void put_int(int value, byte[] bytes, int start, int len) {
+		while (len > 0) {
+			bytes[start] = (byte) (value & 0xff);
+			start++;
+			len--;
+			value >>= 8;
+		}
+	}
+
+	public AltosRomconfig(byte[] bytes, int offset) {
+		version = get_int(bytes, offset + 0, 2);
+		check = get_int(bytes, offset + 2, 2);
+		if (check == (~version & 0xffff)) {
+			switch (version) {
+			case 1:
+				serial_number = get_int(bytes, offset + 4, 2);
+				radio_calibration = get_int(bytes, offset + 6, 4);
+				valid = true;
+				break;
+			}
+		}
+		System.out.printf("version 0x%x check 0x%x valid %s serial %d cal %d\n",
+				  version, check, valid ? "true" : "false",
+				  serial_number, radio_calibration);
+	}
+
+	public AltosRomconfig(AltosHexfile hexfile) {
+		this(hexfile.data, 0xa0 - hexfile.address);
+	}
+
+	public void write(byte[] bytes, int offset) throws IOException {
+		if (!valid)
+			throw new IOException("rom configuration invalid");
+
+		if (offset < 0 || bytes.length < offset + 10)
+			throw new IOException("image cannot contain rom config");
+
+		AltosRomconfig existing = new AltosRomconfig(bytes, offset);
+		if (!existing.valid)
+			throw new IOException("image does not contain existing rom config");
+
+		switch (existing.version) {
+		case 1:
+			put_int(serial_number, bytes, offset + 4, 2);
+			put_int(radio_calibration, bytes, offset + 6, 4);
+			break;
+		}
+	}
+
+	public void write (AltosHexfile hexfile) throws IOException {
+		write(hexfile.data, 0xa0 - hexfile.address);
+		new AltosRomconfig(hexfile);
+	}
+
+	public AltosRomconfig(int in_serial_number, int in_radio_calibration) {
+		valid = true;
+		version = 1;
+		check = (~version & 0xffff);
+		serial_number = in_serial_number;
+		radio_calibration = in_radio_calibration;
+	}
+
+	public boolean valid() {
+		return valid && serial_number != 0;
+	}
+
+	public AltosRomconfig() {
+		valid = false;
+	}
+}