2 * Copyright © 2010 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 import java.awt.event.*;
23 import javax.swing.filechooser.FileNameExtensionFilter;
24 import javax.swing.table.*;
28 import java.util.prefs.*;
29 import java.util.concurrent.LinkedBlockingQueue;
31 import altosui.AltosHexfile;
33 public class AltosFlash {
35 FileInputStream input;
38 AltosDevice debug_dongle;
40 AltosRomconfig rom_config;
41 ActionListener listener;
44 static final byte MOV_direct_data = (byte) 0x75;
45 static final byte MOV_DPTR_data16 = (byte) 0x90;
46 static final byte MOV_A_data = (byte) 0x74;
47 static final byte MOVX_atDPTR_A = (byte) 0xf0;
48 static final byte MOVX_A_atDPTR = (byte) 0xe0;
49 static final byte INC_DPTR = (byte) 0xa3;
50 static final byte TRAP = (byte) 0xa5;
52 static final byte JB = (byte) 0x20;
54 static final byte MOV_A_direct = (byte) 0xe5;
55 static final byte MOV_direct1_direct2 = (byte) 0x85;
56 static final byte MOV_direct_A = (byte) 0xf5;
57 static final byte MOV_R0_data = (byte) (0x78 | 0);
58 static final byte MOV_R1_data = (byte) (0x78 | 1);
59 static final byte MOV_R2_data = (byte) (0x78 | 2);
60 static final byte MOV_R3_data = (byte) (0x78 | 3);
61 static final byte MOV_R4_data = (byte) (0x78 | 4);
62 static final byte MOV_R5_data = (byte) (0x78 | 5);
63 static final byte MOV_R6_data = (byte) (0x78 | 6);
64 static final byte MOV_R7_data = (byte) (0x78 | 7);
65 static final byte DJNZ_R0_rel = (byte) (0xd8 | 0);
66 static final byte DJNZ_R1_rel = (byte) (0xd8 | 1);
67 static final byte DJNZ_R2_rel = (byte) (0xd8 | 2);
68 static final byte DJNZ_R3_rel = (byte) (0xd8 | 3);
69 static final byte DJNZ_R4_rel = (byte) (0xd8 | 4);
70 static final byte DJNZ_R5_rel = (byte) (0xd8 | 5);
71 static final byte DJNZ_R6_rel = (byte) (0xd8 | 6);
72 static final byte DJNZ_R7_rel = (byte) (0xd8 | 7);
74 static final byte P1DIR = (byte) 0xFE;
75 static final byte P1 = (byte) 0x90;
77 /* flash controller */
78 static final byte FWT = (byte) 0xAB;
79 static final byte FADDRL = (byte) 0xAC;
80 static final byte FADDRH = (byte) 0xAD;
81 static final byte FCTL = (byte) 0xAE;
82 static final byte FCTL_BUSY = (byte) 0x80;
83 static final byte FCTL_BUSY_BIT = (byte) 7;
84 static final byte FCTL_SWBSY = (byte) 0x40;
85 static final byte FCTL_SWBSY_BIT = (byte) 6;
86 static final byte FCTL_CONTRD = (byte) 0x10;
87 static final byte FCTL_WRITE = (byte) 0x02;
88 static final byte FCTL_ERASE = (byte) 0x01;
89 static final byte FWDATA = (byte) 0xAF;
91 static final byte ACC = (byte) 0xE0;
93 /* offsets within the flash_page program */
94 static final int FLASH_ADDR_HIGH = 8;
95 static final int FLASH_ADDR_LOW = 11;
96 static final int RAM_ADDR_HIGH = 13;
97 static final int RAM_ADDR_LOW = 14;
98 static final int FLASH_WORDS_HIGH = 16;
99 static final int FLASH_WORDS_LOW = 18;
100 static final int FLASH_TIMING = 21;
102 /* sleep mode control */
103 static final int SLEEP = (byte) 0xbe;
104 static final int SLEEP_USB_EN = (byte) 0x80;
105 static final int SLEEP_XOSC_STB = (byte) 0x40;
106 static final int SLEEP_HFRC_STB = (byte) 0x20;
107 static final int SLEEP_RST_MASK = (byte) 0x18;
108 static final int SLEEP_RST_POWERON = (byte) 0x00;
109 static final int SLEEP_RST_EXTERNAL = (byte) 0x10;
110 static final int SLEEP_RST_WATCHDOG = (byte) 0x08;
111 static final int SLEEP_OSC_PD = (byte) 0x04;
112 static final int SLEEP_MODE_MASK = (byte) 0x03;
113 static final int SLEEP_MODE_PM0 = (byte) 0x00;
114 static final int SLEEP_MODE_PM1 = (byte) 0x01;
115 static final int SLEEP_MODE_PM2 = (byte) 0x02;
116 static final int SLEEP_MODE_PM3 = (byte) 0x03;
118 /* clock controller */
119 static final byte CLKCON = (byte) 0xC6;
120 static final byte CLKCON_OSC32K = (byte) 0x80;
121 static final byte CLKCON_OSC = (byte) 0x40;
122 static final byte CLKCON_TICKSPD = (byte) 0x38;
123 static final byte CLKCON_CLKSPD = (byte) 0x07;
125 static final byte[] flash_page_proto = {
127 MOV_direct_data, P1DIR, (byte) 0x02,
128 MOV_direct_data, P1, (byte) 0xFF,
130 MOV_direct_data, FADDRH, 0, /* FLASH_ADDR_HIGH */
132 MOV_direct_data, FADDRL, 0, /* FLASH_ADDR_LOW */
134 MOV_DPTR_data16, 0, 0, /* RAM_ADDR_HIGH, RAM_ADDR_LOW */
136 MOV_R7_data, 0, /* FLASH_WORDS_HIGH */
138 MOV_R6_data, 0, /* FLASH_WORDS_LOW */
141 MOV_direct_data, FWT, 0x20, /* FLASH_TIMING */
143 MOV_direct_data, FCTL, FCTL_ERASE,
146 JB, ACC|FCTL_BUSY_BIT, (byte) 0xfb,
148 MOV_direct_data, P1, (byte) 0xfd,
150 MOV_direct_data, FCTL, FCTL_WRITE,
156 MOV_direct_A, FWDATA,
157 DJNZ_R5_rel, (byte) 0xfa, /* writeWordLoop */
160 JB, ACC|FCTL_SWBSY_BIT, (byte) 0xfb, /* writeWaitLoop */
161 DJNZ_R6_rel, (byte) 0xf1, /* writeLoop */
162 DJNZ_R7_rel, (byte) 0xef, /* writeLoop */
164 MOV_direct_data, P1DIR, (byte) 0x00,
165 MOV_direct_data, P1, (byte) 0xFF,
169 public byte[] make_flash_page(int flash_addr, int ram_addr, int byte_count) {
170 int flash_word_addr = flash_addr >> 1;
171 int flash_word_count = ((byte_count + 1) >> 1);
173 byte[] flash_page = new byte[flash_page_proto.length];
174 for (int i = 0; i < flash_page.length; i++)
175 flash_page[i] = flash_page_proto[i];
177 flash_page[FLASH_ADDR_HIGH] = (byte) (flash_word_addr >> 8);
178 flash_page[FLASH_ADDR_LOW] = (byte) (flash_word_addr);
179 flash_page[RAM_ADDR_HIGH] = (byte) (ram_addr >> 8);
180 flash_page[RAM_ADDR_LOW] = (byte) (ram_addr);
182 byte flash_words_low = (byte) (flash_word_count);
183 byte flash_words_high = (byte) (flash_word_count >> 8);
184 /* the flashing code has a minor 'bug' */
185 if (flash_words_low != 0)
188 flash_page[FLASH_WORDS_HIGH] = (byte) flash_words_high;
189 flash_page[FLASH_WORDS_LOW] = (byte) flash_words_low;
193 static byte[] set_clkcon_fast = {
194 MOV_direct_data, CLKCON, 0x00
197 static byte[] get_sleep = {
201 public void clock_init() throws IOException, InterruptedException {
202 debug.debug_instr(set_clkcon_fast);
206 status = debug.debug_instr(get_sleep);
207 } while ((status & SLEEP_XOSC_STB) == 0);
210 void action(String s, int percent) {
211 if (listener != null && !aborted)
212 listener.actionPerformed(new ActionEvent(this,
217 void action(int part, int total) {
218 int percent = 100 * part / total;
219 action(String.format("%d/%d (%d%%)",
220 part, total, percent),
224 public void flash() throws IOException, FileNotFoundException, InterruptedException {
225 if (!check_rom_config())
226 throw new IOException("Invalid rom config settings");
227 if (image.address + image.data.length > 0x8000)
228 throw new IOException(String.format("Flash image too long %d",
231 if ((image.address & 0x3ff) != 0)
232 throw new IOException(String.format("Flash image must start on page boundary (is 0x%x)",
234 int ram_address = 0xf000;
235 int flash_prog = 0xf400;
238 * Store desired config values into image
240 rom_config.write(image);
246 int remain = image.data.length;
247 int flash_addr = image.address;
251 action(0, image.data.length);
252 while (remain > 0 && !aborted) {
253 int this_time = remain;
254 if (this_time > 0x400)
258 debug.write_memory(ram_address, image.data,
259 image_start, this_time);
261 /* write the flash program */
262 byte[] flash_page = make_flash_page(flash_addr,
265 debug.write_memory(flash_prog, flash_page);
267 debug.set_pc(flash_prog);
268 int pc = debug.get_pc();
271 for (int times = 0; times < 10; times++) {
272 byte status = debug.read_status();
273 if ((status & AltosDebug.STATUS_CPU_HALTED) != 0)
278 byte[] check = debug.read_memory(flash_addr, this_time);
279 for (int i = 0; i < this_time; i++)
280 if (check[i] != image.data[image_start + i])
281 throw new IOException(String.format("Flash write failed at 0x%x (%02x != %02x)",
282 image.address + image_start + i,
283 check[i], image.data[image_start + i]));
285 flash_addr += this_time;
286 image_start += this_time;
288 action(image.data.length - remain, image.data.length);
292 debug.set_pc(image.address);
298 public void abort() {
303 public void addActionListener(ActionListener l) {
307 public boolean check_rom_config() {
308 if (rom_config == null)
309 rom_config = debug.romconfig();
310 return rom_config != null && rom_config.valid();
313 public void set_romconfig (AltosRomconfig romconfig) {
314 rom_config = romconfig;
317 public AltosRomconfig romconfig() {
318 if (!check_rom_config())
323 public void open() throws IOException, FileNotFoundException, InterruptedException {
324 input = new FileInputStream(file);
325 image = new AltosHexfile(input);
326 debug.open(debug_dongle);
327 if (!debug.check_connection())
328 throw new IOException("Debug port not connected");
331 public AltosFlash(File in_file, AltosDevice in_debug_dongle) {
333 debug_dongle = in_debug_dongle;
334 debug = new AltosDebug();