-/*
- * 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.awt.event.*;
-import javax.swing.*;
-import java.io.*;
-import org.altusmetrum.altoslib_1.*;
-import org.altusmetrum.altosuilib_1.*;
-
-public class AltosFlash {
- File file;
- FileInputStream input;
- AltosHexfile image;
- JFrame frame;
- AltosDevice debug_dongle;
- AltosDebug debug;
- AltosRomconfig rom_config;
- ActionListener listener;
- boolean aborted;
-
- static final byte MOV_direct_data = (byte) 0x75;
- static final byte MOV_DPTR_data16 = (byte) 0x90;
- static final byte MOV_A_data = (byte) 0x74;
- static final byte MOVX_atDPTR_A = (byte) 0xf0;
- static final byte MOVX_A_atDPTR = (byte) 0xe0;
- static final byte INC_DPTR = (byte) 0xa3;
- static final byte TRAP = (byte) 0xa5;
-
- static final byte JB = (byte) 0x20;
-
- static final byte MOV_A_direct = (byte) 0xe5;
- static final byte MOV_direct1_direct2 = (byte) 0x85;
- static final byte MOV_direct_A = (byte) 0xf5;
- static final byte MOV_R0_data = (byte) (0x78 | 0);
- static final byte MOV_R1_data = (byte) (0x78 | 1);
- static final byte MOV_R2_data = (byte) (0x78 | 2);
- static final byte MOV_R3_data = (byte) (0x78 | 3);
- static final byte MOV_R4_data = (byte) (0x78 | 4);
- static final byte MOV_R5_data = (byte) (0x78 | 5);
- static final byte MOV_R6_data = (byte) (0x78 | 6);
- static final byte MOV_R7_data = (byte) (0x78 | 7);
- static final byte DJNZ_R0_rel = (byte) (0xd8 | 0);
- static final byte DJNZ_R1_rel = (byte) (0xd8 | 1);
- static final byte DJNZ_R2_rel = (byte) (0xd8 | 2);
- static final byte DJNZ_R3_rel = (byte) (0xd8 | 3);
- static final byte DJNZ_R4_rel = (byte) (0xd8 | 4);
- static final byte DJNZ_R5_rel = (byte) (0xd8 | 5);
- static final byte DJNZ_R6_rel = (byte) (0xd8 | 6);
- static final byte DJNZ_R7_rel = (byte) (0xd8 | 7);
-
- static final byte P1DIR = (byte) 0xFE;
- static final byte P1 = (byte) 0x90;
-
- /* flash controller */
- static final byte FWT = (byte) 0xAB;
- static final byte FADDRL = (byte) 0xAC;
- static final byte FADDRH = (byte) 0xAD;
- static final byte FCTL = (byte) 0xAE;
- static final byte FCTL_BUSY = (byte) 0x80;
- static final byte FCTL_BUSY_BIT = (byte) 7;
- static final byte FCTL_SWBSY = (byte) 0x40;
- static final byte FCTL_SWBSY_BIT = (byte) 6;
- static final byte FCTL_CONTRD = (byte) 0x10;
- static final byte FCTL_WRITE = (byte) 0x02;
- static final byte FCTL_ERASE = (byte) 0x01;
- static final byte FWDATA = (byte) 0xAF;
-
- static final byte ACC = (byte) 0xE0;
-
- /* offsets within the flash_page program */
- static final int FLASH_ADDR_HIGH = 8;
- static final int FLASH_ADDR_LOW = 11;
- static final int RAM_ADDR_HIGH = 13;
- static final int RAM_ADDR_LOW = 14;
- static final int FLASH_WORDS_HIGH = 16;
- static final int FLASH_WORDS_LOW = 18;
- static final int FLASH_TIMING = 21;
-
- /* sleep mode control */
- static final int SLEEP = (byte) 0xbe;
- static final int SLEEP_USB_EN = (byte) 0x80;
- static final int SLEEP_XOSC_STB = (byte) 0x40;
- static final int SLEEP_HFRC_STB = (byte) 0x20;
- static final int SLEEP_RST_MASK = (byte) 0x18;
- static final int SLEEP_RST_POWERON = (byte) 0x00;
- static final int SLEEP_RST_EXTERNAL = (byte) 0x10;
- static final int SLEEP_RST_WATCHDOG = (byte) 0x08;
- static final int SLEEP_OSC_PD = (byte) 0x04;
- static final int SLEEP_MODE_MASK = (byte) 0x03;
- static final int SLEEP_MODE_PM0 = (byte) 0x00;
- static final int SLEEP_MODE_PM1 = (byte) 0x01;
- static final int SLEEP_MODE_PM2 = (byte) 0x02;
- static final int SLEEP_MODE_PM3 = (byte) 0x03;
-
- /* clock controller */
- static final byte CLKCON = (byte) 0xC6;
- static final byte CLKCON_OSC32K = (byte) 0x80;
- static final byte CLKCON_OSC = (byte) 0x40;
- static final byte CLKCON_TICKSPD = (byte) 0x38;
- static final byte CLKCON_CLKSPD = (byte) 0x07;
-
- static final byte[] flash_page_proto = {
-
- MOV_direct_data, P1DIR, (byte) 0x02,
- MOV_direct_data, P1, (byte) 0xFF,
-
- MOV_direct_data, FADDRH, 0, /* FLASH_ADDR_HIGH */
-
- MOV_direct_data, FADDRL, 0, /* FLASH_ADDR_LOW */
-
- MOV_DPTR_data16, 0, 0, /* RAM_ADDR_HIGH, RAM_ADDR_LOW */
-
- MOV_R7_data, 0, /* FLASH_WORDS_HIGH */
-
- MOV_R6_data, 0, /* FLASH_WORDS_LOW */
-
-
- MOV_direct_data, FWT, 0x20, /* FLASH_TIMING */
-
- MOV_direct_data, FCTL, FCTL_ERASE,
-/* eraseWaitLoop: */
- MOV_A_direct, FCTL,
- JB, ACC|FCTL_BUSY_BIT, (byte) 0xfb,
-
- MOV_direct_data, P1, (byte) 0xfd,
-
- MOV_direct_data, FCTL, FCTL_WRITE,
-/* writeLoop: */
- MOV_R5_data, 2,
-/* writeWordLoop: */
- MOVX_A_atDPTR,
- INC_DPTR,
- MOV_direct_A, FWDATA,
- DJNZ_R5_rel, (byte) 0xfa, /* writeWordLoop */
-/* writeWaitLoop: */
- MOV_A_direct, FCTL,
- JB, ACC|FCTL_SWBSY_BIT, (byte) 0xfb, /* writeWaitLoop */
- DJNZ_R6_rel, (byte) 0xf1, /* writeLoop */
- DJNZ_R7_rel, (byte) 0xef, /* writeLoop */
-
- MOV_direct_data, P1DIR, (byte) 0x00,
- MOV_direct_data, P1, (byte) 0xFF,
- TRAP,
- };
-
- public byte[] make_flash_page(int flash_addr, int ram_addr, int byte_count) {
- int flash_word_addr = flash_addr >> 1;
- int flash_word_count = ((byte_count + 1) >> 1);
-
- byte[] flash_page = new byte[flash_page_proto.length];
- for (int i = 0; i < flash_page.length; i++)
- flash_page[i] = flash_page_proto[i];
-
- flash_page[FLASH_ADDR_HIGH] = (byte) (flash_word_addr >> 8);
- flash_page[FLASH_ADDR_LOW] = (byte) (flash_word_addr);
- flash_page[RAM_ADDR_HIGH] = (byte) (ram_addr >> 8);
- flash_page[RAM_ADDR_LOW] = (byte) (ram_addr);
-
- byte flash_words_low = (byte) (flash_word_count);
- byte flash_words_high = (byte) (flash_word_count >> 8);
- /* the flashing code has a minor 'bug' */
- if (flash_words_low != 0)
- flash_words_high++;
-
- flash_page[FLASH_WORDS_HIGH] = (byte) flash_words_high;
- flash_page[FLASH_WORDS_LOW] = (byte) flash_words_low;
- return flash_page;
- }
-
- static byte[] set_clkcon_fast = {
- MOV_direct_data, CLKCON, 0x00
- };
-
- static byte[] get_sleep = {
- MOV_A_direct, SLEEP
- };
-
- public void clock_init() throws IOException, InterruptedException {
- if (debug != null) {
- debug.debug_instr(set_clkcon_fast);
-
- byte status;
- for (int times = 0; times < 20; times++) {
- Thread.sleep(1);
- status = debug.debug_instr(get_sleep);
- if ((status & SLEEP_XOSC_STB) != 0)
- return;
- }
- throw new IOException("Failed to initialize target clock");
- }
- }
-
- void action(String in_s, int in_percent) {
- final String s = in_s;
- final int percent = in_percent;
- if (listener != null && !aborted) {
- Runnable r = new Runnable() {
- public void run() {
- try {
- listener.actionPerformed(new ActionEvent(this,
- percent,
- s));
- } catch (Exception ex) {
- }
- }
- };
- SwingUtilities.invokeLater(r);
- }
- }
-
- void action(int part, int total) {
- int percent = 100 * part / total;
- action(String.format("%d/%d (%d%%)",
- part, total, percent),
- percent);
- }
-
- void altos_run(int pc) throws IOException, InterruptedException {
- debug.set_pc(pc);
- int set_pc = debug.get_pc();
- if (pc != set_pc)
- throw new IOException("Failed to set target program counter");
- debug.resume();
-
- for (int times = 0; times < 20; times++) {
- byte status = debug.read_status();
- if ((status & AltosDebug.STATUS_CPU_HALTED) != 0)
- return;
- }
-
- throw new IOException("Failed to execute program on target");
- }
-
- public void flash() {
- try {
- if (!check_rom_config())
- throw new IOException("Invalid rom config settings");
- if (image.address + image.data.length > 0x8000)
- throw new IOException(String.format("Flash image too long %d",
- image.address +
- image.data.length));
- if ((image.address & 0x3ff) != 0)
- throw new IOException(String.format("Flash image must start on page boundary (is 0x%x)",
- image.address));
- int ram_address = 0xf000;
- int flash_prog = 0xf400;
-
- /*
- * Store desired config values into image
- */
- rom_config.write(image);
- /*
- * Bring up the clock
- */
- clock_init();
-
- int remain = image.data.length;
- int flash_addr = image.address;
- int image_start = 0;
-
- action("start", 0);
- action(0, image.data.length);
- while (remain > 0 && !aborted) {
- int this_time = remain;
- if (this_time > 0x400)
- this_time = 0x400;
-
- if (debug != null) {
- /* write the data */
- debug.write_memory(ram_address, image.data,
- image_start, this_time);
-
- /* write the flash program */
- byte[] flash_page = make_flash_page(flash_addr,
- ram_address,
- this_time);
- debug.write_memory(flash_prog, flash_page);
-
- altos_run(flash_prog);
- byte[] check = debug.read_memory(flash_addr, this_time);
- for (int i = 0; i < this_time; i++)
- if (check[i] != image.data[image_start + i])
- throw new IOException(String.format("Flash write failed at 0x%x (%02x != %02x)",
- image.address + image_start + i,
- check[i], image.data[image_start + i]));
- } else {
- Thread.sleep(100);
- }
-
- remain -= this_time;
- flash_addr += this_time;
- image_start += this_time;
-
- action(image.data.length - remain, image.data.length);
- }
- if (!aborted) {
- action("done", 100);
- if (debug != null) {
- debug.set_pc(image.address);
- debug.resume();
- }
- }
- if (debug != null)
- debug.close();
- } catch (IOException ie) {
- action(ie.getMessage(), -1);
- abort();
- } catch (InterruptedException ie) {
- abort();
- }
- }
-
- public void close() {
- if (debug != null)
- debug.close();
- }
-
- synchronized public void abort() {
- aborted = true;
- close();
- }
-
- public void addActionListener(ActionListener l) {
- listener = l;
- }
-
- public boolean check_rom_config() {
- if (debug == null)
- return true;
- if (rom_config == null)
- rom_config = debug.romconfig();
- return rom_config != null && rom_config.valid();
- }
-
- public void set_romconfig (AltosRomconfig romconfig) {
- rom_config = romconfig;
- }
-
- public AltosRomconfig romconfig() {
- if (!check_rom_config())
- return null;
- return rom_config;
- }
-
- public AltosFlash(File in_file, AltosDevice in_debug_dongle)
- throws IOException, FileNotFoundException, AltosSerialInUseException, InterruptedException {
- file = in_file;
- debug_dongle = in_debug_dongle;
- if (debug_dongle != null)
- debug = new AltosDebug(new AltosSerial(in_debug_dongle));
- input = new FileInputStream(file);
- image = new AltosHexfile(input);
- if (debug != null && !debug.check_connection()) {
- debug.close();
- throw new IOException("Debug port not connected");
- }
- }
-}
\ No newline at end of file
projects / fw / altos / commitdiff