X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosSelfFlash.java;h=07952d7f76fc97ba61519a4a55ef79ce6a91183a;hp=0ae797a0877f2afb16613d58a81c8244d8bb13fd;hb=2cdb90d9214f8e66b3574cbd9c5ed073a7861681;hpb=70d0841b4017e7580c893c7033c04fb2964adab6 diff --git a/altoslib/AltosSelfFlash.java b/altoslib/AltosSelfFlash.java index 0ae797a0..07952d7f 100644 --- a/altoslib/AltosSelfFlash.java +++ b/altoslib/AltosSelfFlash.java @@ -19,14 +19,14 @@ package org.altusmetrum.altoslib_2; import java.io.*; -public class AltosSelfFlash { +public class AltosSelfFlash extends AltosProgrammer { File file; FileInputStream input; AltosHexfile image; AltosLink link; boolean aborted; AltosFlashListener listener; - byte[] read_block, write_block; + AltosRomconfig rom_config; void action(String s, int percent) { if (listener != null && !aborted) @@ -40,23 +40,49 @@ public class AltosSelfFlash { percent); } - void read_block(long addr) { - link.printf("R %x\n", addr); - - } - - void read_memory(long addr, int len) { + byte[] read_memory(long addr, int len) throws InterruptedException, IOException { + int b; + byte[] data = new byte[len]; + + for (int offset = 0; offset < len; offset += 0x100) { + link.printf("R %x\n", addr + offset); + byte[] reply = link.get_binary_reply(5000, 0x100); + + if (reply == null) + throw new IOException("Read device memory timeout"); + for (b = 0; b < len; b++) + data[b+offset] = reply[b]; + } + return data; } void write_memory(long addr, byte[] data, int start, int len) { - + int b; + System.out.printf ("write_memory %x %d\n", addr, len); + link.printf("W %x\n", addr); + link.flush_output(); + for (b = 0; b < len; b++) + link.putchar(data[start + b]); + for (; b < 0x100; b++) + link.putchar((byte) 0xff); } void reboot() { + System.out.printf("reboot\n"); + link.printf("a\n"); + link.flush_output(); } public void flash() { try { + if (!check_rom_config()) + throw new IOException("Invalid rom config settings"); + + /* + * Store desired config values into image + */ + rom_config.write(image); + int remain = image.data.length; long flash_addr = image.address; int image_start = 0; @@ -89,13 +115,10 @@ public class AltosSelfFlash { action(image.data.length - remain, image.data.length); } if (!aborted) { + System.out.printf ("done\n"); action("done", 100); - if (link != null) { - reboot(); - } } - if (link != null) - link.close(); + close(); } catch (IOException ie) { action(ie.getMessage(), -1); abort(); @@ -105,8 +128,11 @@ public class AltosSelfFlash { } public void close() { - if (link != null) + if (link != null) { + reboot(); link.close(); + link = null; + } } synchronized public void abort() { @@ -114,11 +140,36 @@ public class AltosSelfFlash { close(); } + private AltosHexfile get_rom() { + System.out.printf("get rom\n"); + try { + int base = AltosRomconfig.fetch_base(image); + int bounds = AltosRomconfig.fetch_bounds(image); + byte[] data = read_memory(base, bounds - base); + AltosHexfile hexfile = new AltosHexfile(data, base); + hexfile.add_symbols(image); + return hexfile; + } catch (AltosNoSymbol none) { + System.out.printf("no symbol %s\n", none.getMessage()); + return null; + } catch (InterruptedException ie) { + return null; + } catch (IOException ie) { + return null; + } + + } + public boolean check_rom_config() { - if (link == null) + if (link == null) { + System.out.printf ("no link\n"); return true; - if (rom_config == null) - rom_config = debug.romconfig(); + } + if (rom_config == null) { + AltosHexfile hexfile = get_rom(); + if (hexfile != null) + rom_config = new AltosRomconfig(hexfile); + } return rom_config != null && rom_config.valid(); } @@ -127,23 +178,19 @@ public class AltosSelfFlash { } public AltosRomconfig romconfig() { + System.out.printf("fetch romconfig\n"); if (!check_rom_config()) return null; return rom_config; } - public AltosFlash(File file, AltosLink link, AltosFlashListener listener) + public AltosSelfFlash(File file, AltosLink link, AltosFlashListener listener) throws IOException, FileNotFoundException, InterruptedException { this.file = file; this.link = link; this.listener = listener; - this.read_block = new byte[256]; - this.write_block = new byte[256]; input = new FileInputStream(file); image = new AltosHexfile(input); - if (link != null) { - debug.close(); - throw new IOException("Debug port not connected"); - } + System.out.printf ("AltosSelfFlash %x\n", image.address); } } \ No newline at end of file