TeleStern/altoslib/AltosFlash.java

377 lines
11 KiB
Java

/*
* 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; 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
* 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 org.altusmetrum.altoslib_14;
import java.io.*;
public class AltosFlash extends AltosProgrammer {
File file;
FileInputStream input;
AltosHexfile image;
AltosLink link;
AltosDebug debug;
AltosRomconfig rom_config;
boolean aborted;
AltosFlashListener listener;
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 s, int percent) {
if (listener != null && !aborted)
listener.position(s, percent);
}
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 = (int) image.address;
int image_start = 0;
action(AltosFlashListener.flash_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(AltosFlashListener.flash_done, 100);
if (debug != null) {
debug.set_pc((int) 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 boolean check_rom_config() throws InterruptedException {
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 target_romconfig(AltosUsbId usb_id, String usb_product) throws InterruptedException {
if (!check_rom_config())
return null;
if (rom_config.usb_id == null)
rom_config.usb_id = usb_id;
if (rom_config.usb_product == null)
rom_config.usb_product = usb_product;
return rom_config;
}
public AltosRomconfig image_romconfig() {
return new AltosRomconfig(image);
}
public AltosFlash(File file, AltosLink link, AltosFlashListener listener)
throws IOException, FileNotFoundException, InterruptedException {
this.file = file;
this.link = link;
this.listener = listener;
if (link != null)
debug = new AltosDebug(link);
input = new FileInputStream(file);
image = new AltosHexfile(input);
boolean connection_ok = true;
if (debug != null) {
try {
connection_ok = debug.check_connection();
} catch (IOException ie) {
debug.close();
throw ie;
} catch (InterruptedException ie) {
debug.close();
throw ie;
}
}
if (!connection_ok) {
debug.close();
throw new IOException("Debug port not connected");
}
}
}