X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosRomconfig.java;h=d868b9aa444cfc488476ea7b244de71e24053691;hp=0800a2c4da1e405abad6d9686cfb76514d6355ff;hb=ec46adee44ea08120b1940ca55a5fbdf56874bb1;hpb=106d212ff5920c39d95751ef6249dc141970412c diff --git a/altoslib/AltosRomconfig.java b/altoslib/AltosRomconfig.java index 0800a2c4..d868b9aa 100644 --- a/altoslib/AltosRomconfig.java +++ b/altoslib/AltosRomconfig.java @@ -3,7 +3,8 @@ * * 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. + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of @@ -15,18 +16,40 @@ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -package org.altusmetrum.altoslib_1; +package org.altusmetrum.altoslib_14; import java.io.*; +import java.util.concurrent.*; -public class AltosRomconfig { +public class AltosRomconfig implements AltosUnitInfoListener { public boolean valid; + public boolean radio_calibration_broken; public int version; public int check; public int serial_number; public int radio_calibration; + public AltosUsbId usb_id; + public String usb_product; + + static private long find_address(AltosHexfile hexfile, String name, int len) throws AltosNoSymbol { + AltosHexsym symbol = hexfile.lookup_symbol(name); + if (symbol == null) { + throw new AltosNoSymbol(name); + } + if (hexfile.address <= symbol.address && symbol.address + len <= hexfile.max_address) { + return symbol.address; + } + throw new AltosNoSymbol(name); + } + + static private int find_offset(AltosHexfile hexfile, String name, int len) throws AltosNoSymbol { + return (int) (find_address(hexfile, name, len) - hexfile.address); + } + + static int get_int(AltosHexfile hexfile, String name, int len) throws AltosNoSymbol { + byte[] bytes = hexfile.data; + int start = (int) find_offset(hexfile, name, len); - static int get_int(byte[] bytes, int start, int len) { int v = 0; int o = 0; while (len > 0) { @@ -38,7 +61,10 @@ public class AltosRomconfig { return v; } - static void put_int(int value, byte[] bytes, int start, int len) { + static void put_int(int value, AltosHexfile hexfile, String name, int len) throws AltosNoSymbol, IOException { + byte[] bytes = hexfile.data; + int start = find_offset(hexfile, name, len); + while (len > 0) { bytes[start] = (byte) (value & 0xff); start++; @@ -47,89 +73,214 @@ public class AltosRomconfig { } } - static void put_string(String value, byte[] bytes, int start) { + static void put_string(String value, AltosHexfile hexfile, String name) throws AltosNoSymbol { + byte[] bytes = hexfile.data; + int start = find_offset(hexfile, name, value.length()); + for (int i = 0; i < value.length(); i++) bytes[start + i] = (byte) value.charAt(i); } static final int AO_USB_DESC_STRING = 3; - static void put_usb_serial(int value, byte[] bytes, int start) { - int offset = start + 0xa; + static void put_usb_serial(int value, AltosHexfile hexfile, String name) throws AltosNoSymbol { + byte[] bytes = hexfile.data; + int start = find_offset(hexfile, name, 2); + int string_num = 0; - while (offset < bytes.length && bytes[offset] != 0) { - if (bytes[offset + 1] == AO_USB_DESC_STRING) { + while (start < bytes.length && bytes[start] != 0) { + if (bytes[start + 1] == AO_USB_DESC_STRING) { ++string_num; if (string_num == 4) break; } - offset += ((int) bytes[offset]) & 0xff; + start += ((int) bytes[start]) & 0xff; } - if (offset >= bytes.length || bytes[offset] == 0) - return; - int len = ((((int) bytes[offset]) & 0xff) - 2) / 2; + if (start >= bytes.length || bytes[start] == 0) + throw new AltosNoSymbol(name); + + int len = ((((int) bytes[start]) & 0xff) - 2) / 2; String fmt = String.format("%%0%dd", len); String s = String.format(fmt, value); - if (s.length() != len) { - System.out.printf("weird usb length issue %s isn't %d\n", - s, len); - return; - } + if (s.length() != len) + throw new AltosNoSymbol(String.format("weird usb length issue %s isn't %d\n", s, len)); + for (int i = 0; i < len; i++) { - bytes[offset + 2 + i*2] = (byte) s.charAt(i); - bytes[offset + 2 + i*2+1] = 0; + bytes[start + 2 + i*2] = (byte) s.charAt(i); + bytes[start + 2 + i*2+1] = 0; } } - 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 2: - case 1: - serial_number = get_int(bytes, offset + 4, 2); - radio_calibration = get_int(bytes, offset + 6, 4); - valid = true; - break; + final static String ao_romconfig_version = "ao_romconfig_version"; + final static String ao_romconfig_check = "ao_romconfig_check"; + final static String ao_serial_number = "ao_serial_number"; + final static String ao_radio_cal = "ao_radio_cal"; + final static String ao_usb_descriptors = "ao_usb_descriptors"; + + Semaphore unit_info_done; + + public void notify_unit_info(AltosUnitInfo unit_info) { + unit_info_done.release(); + } + + private void fetch_radio_cal() { + unit_info_done = new Semaphore(0); + AltosUnitInfo info = new AltosUnitInfo(serial_number, this); + + /* Block waiting for the rf calibration data */ + radio_calibration_broken = true; + try { + unit_info_done.acquire(); + int new_cal = info.rfcal(); + if (new_cal != AltosLib.MISSING) { + radio_calibration = new_cal; + radio_calibration_broken = false; } + } catch (InterruptedException ie) { } } public AltosRomconfig(AltosHexfile hexfile) { - this(hexfile.data, 0xa0 - hexfile.address); + try { + version = get_int(hexfile, ao_romconfig_version, 2); + check = get_int(hexfile, ao_romconfig_check, 2); + if (check == (~version & 0xffff)) { + switch (version) { + case 2: + case 1: + serial_number = get_int(hexfile, ao_serial_number, 2); + try { + radio_calibration = get_int(hexfile, ao_radio_cal, 4); + } catch (AltosNoSymbol missing) { + radio_calibration = 0; + } + + valid = true; + + /* XXX TeleBT v4.0 units originally shipped without RF calibration programmed. Go fetch + * the correct value from the web site + */ + if (serial_number == 2584 || + (3686 <= serial_number && serial_number <= 3938 && radio_calibration == 5695485)) + { + fetch_radio_cal(); + } + + break; + } + } + usb_id = hexfile.find_usb_id(); + usb_product = hexfile.find_usb_product(); + + } catch (AltosNoSymbol missing) { + valid = false; + } + } + + private final static String[] fetch_names = { + ao_romconfig_version, + ao_romconfig_check, + ao_serial_number, + ao_radio_cal, + ao_usb_descriptors, + }; + + private static int fetch_len(String name) { + if (name.equals(ao_usb_descriptors)) + return 256; + return 2; + } + + private final static String[] required_names = { + ao_romconfig_version, + ao_romconfig_check, + ao_serial_number + }; + + private static boolean name_required(String name) { + for (String required : required_names) + if (name.equals(required)) + return true; + return false; } - public void write(byte[] bytes, int offset) throws IOException { + public static long fetch_base(AltosHexfile hexfile) throws AltosNoSymbol { + long base = 0xffffffffL; + for (String name : fetch_names) { + try { + int len = fetch_len(name); + long addr = find_address(hexfile, name, len); + + if (addr < base) + base = addr; + } catch (AltosNoSymbol ns) { + if (name_required(name)) + throw (ns); + } + } + return base; + } + + public static long fetch_bounds(AltosHexfile hexfile) throws AltosNoSymbol { + long bounds = 0; + for (String name : fetch_names) { + try { + int len = fetch_len(name); + long addr = find_address(hexfile, name, len) + len; + if (addr > bounds) + bounds = addr; + } catch (AltosNoSymbol ns) { + if (name_required(name)) + throw (ns); + } + } + + return bounds; + } + + public void write (AltosHexfile hexfile) 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); + AltosRomconfig existing = new AltosRomconfig(hexfile); if (!existing.valid) throw new IOException("image does not contain existing rom config"); - switch (existing.version) { - case 2: - put_usb_serial(serial_number, bytes, offset); - case 1: - put_int(serial_number, bytes, offset + 4, 2); - put_int(radio_calibration, bytes, offset + 6, 4); - break; + try { + switch (existing.version) { + case 2: + try { + put_usb_serial(serial_number, hexfile, ao_usb_descriptors); + } catch (AltosNoSymbol missing) { + } + /* fall through ... */ + case 1: + put_int(serial_number, hexfile, ao_serial_number, 2); + try { + put_int(radio_calibration, hexfile, ao_radio_cal, 4); + } catch (AltosNoSymbol missing) { + } + break; + } + } catch (AltosNoSymbol missing) { + throw new IOException(missing.getMessage()); } - } - public void write (AltosHexfile hexfile) throws IOException { - write(hexfile.data, 0xa0 - hexfile.address); AltosRomconfig check = new AltosRomconfig(hexfile); - if (!check.valid()) + if (!check.valid) throw new IOException("writing new rom config failed\n"); } + public String toString() { + return String.format("valid %b version %d serial %d radio %d usb %04x:%04x %s", + valid, version, serial_number, radio_calibration, + usb_id == null ? 0 : usb_id.vid, + usb_id == null ? 0 : usb_id.pid, + usb_product == null ? "unknown" : usb_product); + } + public AltosRomconfig(int in_serial_number, int in_radio_calibration) { valid = true; version = 1; @@ -139,7 +290,7 @@ public class AltosRomconfig { } public boolean valid() { - return valid && serial_number != 0; + return valid; } public AltosRomconfig() {