Reduced bootloader to less than 1024 bytes (512 words); high fuse byte now 0xca instead of 0xc8; bootloader segment now starts at (byte 0x1C00 instead of 0x1800; word 0xE00 instead of 0xC00)

This commit is contained in:
David A. Mellis 2005-09-28 15:20:06 +00:00
parent 11aca24b1f
commit 420dcfe697
5 changed files with 229 additions and 248 deletions

View File

@ -1,12 +1,12 @@
/**********************************************************/
/* Serial Bootloader for Atmel megaAVR Controllers */
/* Serial Bootloader for Atmel mega8 AVR Controller */
/* */
/* ATmegaBOOT.c */
/* */
/* Copyright (c) 2003, Jason P. Kyle */
/* All rights reserved. */
/* */
/* Hacked by DojoCorp - ZGZ - MMX - IVR */
/* Hacked by David A. Mellis */
/* */
/* This program is free software; you can redistribute it */
/* and/or modify it under the terms of the GNU General */
@ -28,12 +28,7 @@
/* Licence can be viewed at */
/* http://www.fsf.org/licenses/gpl.txt */
/* */
/* Target = Atmel AVR m128,m64,m32,m16,m8,m162,m163,m169, */
/* m8515,m8535. ATmega161 has a very small boot block so */
/* isn't supported. */
/* */
/* Tested with m8 - */
/* */
/* Target = Atmel AVR m8 */
/**********************************************************/
#include <inttypes.h>
@ -41,23 +36,21 @@
#include <avr/pgmspace.h>
#include <avr/eeprom.h>
#include <avr/interrupt.h>
#include <avr/delay.h>
#define F_CPU 16000000
//#define F_CPU 16000000
/* We, Malmoitians, like slow interaction
* therefore the slow baud rate ;-)
*/
#define BAUD_RATE 9600
//#define BAUD_RATE 9600
/* 6.000.000 is more or less 8 seconds at the
* speed configured here
*/
#define MAX_TIME_COUNT 6000000
#define MAX_TIME_COUNT_MORATORY 1600000
#define DECRYPT 0
#define ENCRYPT 1
/* #define DES_ENCRYPTION */
//#define MAX_TIME_COUNT 6000000
#define MAX_TIME_COUNT (F_CPU>>1)
///#define MAX_TIME_COUNT_MORATORY 1600000
/* SW_MAJOR and MINOR needs to be updated from time to time to avoid warning message from AVR Studio */
#define HW_VER 0x02
@ -68,18 +61,18 @@
// avr-gcc compiler v3.1.x and older doesn't support outb() and inb()
// if necessary, convert outb and inb to outp and inp
#ifndef outb
#define outb(sfr,val) (_SFR_BYTE(sfr) = (val))
#define outb(sfr,val) (_SFR_BYTE(sfr) = (val))
#endif
#ifndef inb
#define inb(sfr) _SFR_BYTE(sfr)
#define inb(sfr) _SFR_BYTE(sfr)
#endif
/* defines for future compatibility */
#ifndef cbi
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#endif
#ifndef sbi
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#endif
/* Adjust to suit whatever pin your hardware uses to enter the bootloader */
@ -87,15 +80,6 @@
#define eeprom_rw(addr) eeprom_read_word ((uint16_t *)(addr))
#define eeprom_wb(addr, val) eeprom_write_byte ((uint8_t *)(addr), (uint8_t)(val))
/* other ATmegas have only one UART, so only one pin is defined to enter bootloader */
#define BL_DDR DDRD
#define BL_PORT PORTD
#define BL_PIN PIND
#define BL PIND6
/* define pin for onboard LED */
/* depends on product */
/* Onboard LED is connected to pin PB5 */
#define LED_DDR DDRB
#define LED_PORT PORTB
@ -131,12 +115,12 @@ struct flags_struct {
} flags;
uint8_t buff[256];
uint8_t address_high;
//uint8_t address_high;
uint8_t pagesz=0x80;
uint8_t i;
uint8_t bootuart0=0,bootuart1=0;
//uint8_t bootuart0=0,bootuart1=0;
void (*app_start)(void) = 0x0000;
@ -146,23 +130,23 @@ int main(void)
uint8_t ch,ch2;
uint16_t w;
cbi(BL_DDR,BL);
sbi(BL_PORT,BL);
//cbi(BL_DDR,BL);
//sbi(BL_PORT,BL);
asm volatile("nop\n\t");
/* check if flash is programmed already, if not start bootloader anyway */
if(pgm_read_byte_near(0x0000) != 0xFF) {
//if(pgm_read_byte_near(0x0000) != 0xFF) {
/* check if bootloader pin is set low */
//if(bit_is_set(BL_PIN,BL)) app_start();
}
//}
/* initialize UART(s) depending on CPU defined */
/* m8 */
UBRRH = (((F_CPU/BAUD_RATE)/16)-1)>>8; // set baud rate
UBRRL = (((F_CPU/BAUD_RATE)/16)-1);
UCSRB =(1<<RXEN)|(1<<TXEN); // enable Rx & Tx
UCSRB = (1<<RXEN)|(1<<TXEN); // enable Rx & Tx
UCSRC = (1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0); // config USART; 8N1
//UBRRL = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
@ -176,27 +160,34 @@ int main(void)
works on with uisp and avrdude on the mac (at least). */
//putch('\0');
uint32_t l;
uint32_t time_count;
time_count=0;
//uint32_t l;
//uint32_t time_count;
//time_count=0;
/* set LED pin as output */
sbi(LED_DDR,LED);
for (i = 0; i < 16; i++) {
outb(LED_PORT, inb(LED_PORT) ^ _BV(LED));
_delay_loop_2(0);
}
//for (l=0; l<40000000; l++)
//outb(LED_PORT, inb(LED_PORT) ^= _BV(LED));
/* flash onboard LED three times to signal entering of bootloader */
for(i=0; i<3; ++i) {
for(l=0; l<40000000; ++l);
sbi(LED_PORT,LED);
for(l=0; l<40000000; ++l);
cbi(LED_PORT,LED);
}
//for(i=0; i<3; ++i) {
//for(l=0; l<40000000; ++l);
//sbi(LED_PORT,LED);
//for(l=0; l<40000000; ++l);
//cbi(LED_PORT,LED);
//}
/* see comment at previous call to putch() */
//putch('\0'); // this line is needed for the synchronization of the programmer
/* forever */
for (;;) {
if((inb(UCSRA) & _BV(RXC))){
//if((inb(UCSRA) & _BV(RXC))){
/* get character from UART */
ch = getch();
@ -207,30 +198,20 @@ int main(void)
nothing_response();
}
if(ch=='l') {
if (getch() == 'o') {
if (getch() == 'l') {
if (getch() == 'a') {
app_start();
}
}
}
}
/* Request programmer ID */
/* Request programmer ID */
/* Not using PROGMEM string due to boot block in m128 being beyond 64kB boundry */
/* Would need to selectively manipulate RAMPZ, and it's only 9 characters anyway so who cares. */
else if(ch=='1') {
if (getch() == ' ') {
putch(0x14);
putch('A');
putch('V');
putch('R');
putch(' ');
putch('I');
putch('S');
putch('P');
putch(0x10);
if (getch() == ' ') {
putch(0x14);
putch('A');
putch('V');
putch('R');
putch(' ');
putch('I');
putch('S');
putch('P');
putch(0x10);
}
}
@ -247,7 +228,7 @@ int main(void)
if(ch2==0x80) byte_response(HW_VER); // Hardware version
else if(ch2==0x81) byte_response(SW_MAJOR); // Software major version
else if(ch2==0x82) byte_response(SW_MINOR); // Software minor version
else if(ch2==0x98) byte_response(0x03); // Unknown but seems to be required by avr studio 3.56
//else if(ch2==0x98) byte_response(0x03); // Unknown but seems to be required by avr studio 3.56
else byte_response(0x00); // Covers various unnecessary responses we don't care about
}
@ -267,13 +248,13 @@ int main(void)
else if(ch=='P') {
nothing_response();
// FIXME: modified only here by DojoCorp, Mumbai, India, 20050626
time_count=0; // exted the delay once entered prog.mode
//time_count=0; // exted the delay once entered prog.mode
}
/* Leave programming mode */
else if(ch=='Q') {
nothing_response();
time_count=MAX_TIME_COUNT_MORATORY; // once the programming is done,
//time_count=MAX_TIME_COUNT_MORATORY; // once the programming is done,
// we should start the application
// but uisp has problems with this,
// therefore we just change the times
@ -307,105 +288,121 @@ int main(void)
flags.eeprom = 0;
if (getch() == 'E') flags.eeprom = 1;
for (w=0;w<length.word;w++) {
buff[w] = getch(); // Store data in buffer, can't keep up with serial data stream whilst programming pages
buff[w] = getch(); // Store data in buffer, can't keep up with serial data stream whilst programming pages
}
if (getch() == ' ') {
if (flags.eeprom) { //Write to EEPROM one byte at a time
for(w=0;w<length.word;w++) {
eeprom_wb(address.word,buff[w]);
address.word++;
}
}
else { //Write to FLASH one page at a time
if (address.byte[1]>127) address_high = 0x01; //Only possible with m128, m256 will need 3rd address byte. FIXME
else address_high = 0x00;
address.word = address.word << 1; //address * 2 -> byte location
/* if ((length.byte[0] & 0x01) == 0x01) length.word++; //Even up an odd number of bytes */
if ((length.byte[0] & 0x01)) length.word++; //Even up an odd number of bytes
cli(); //Disable interrupts, just to be sure
while(bit_is_set(EECR,EEWE)); //Wait for previous EEPROM writes to complete
asm volatile("clr r17 \n\t" //page_word_count
"lds r30,address \n\t" //Address of FLASH location (in bytes)
"lds r31,address+1 \n\t"
"ldi r28,lo8(buff) \n\t" //Start of buffer array in RAM
"ldi r29,hi8(buff) \n\t"
"lds r24,length \n\t" //Length of data to be written (in bytes)
"lds r25,length+1 \n\t"
"length_loop: \n\t" //Main loop, repeat for number of words in block
"cpi r17,0x00 \n\t" //If page_word_count=0 then erase page
"brne no_page_erase \n\t"
"wait_spm1: \n\t"
"lds r16,%0 \n\t" //Wait for previous spm to complete
"andi r16,1 \n\t"
"cpi r16,1 \n\t"
"breq wait_spm1 \n\t"
"ldi r16,0x03 \n\t" //Erase page pointed to by Z
"sts %0,r16 \n\t"
"spm \n\t"
"wait_spm2: \n\t"
"lds r16,%0 \n\t" //Wait for previous spm to complete
"andi r16,1 \n\t"
"cpi r16,1 \n\t"
"breq wait_spm2 \n\t"
"ldi r16,0x11 \n\t" //Re-enable RWW section
"sts %0,r16 \n\t"
"spm \n\t"
"no_page_erase: \n\t"
"ld r0,Y+ \n\t" //Write 2 bytes into page buffer
"ld r1,Y+ \n\t"
"wait_spm3: \n\t"
"lds r16,%0 \n\t" //Wait for previous spm to complete
"andi r16,1 \n\t"
"cpi r16,1 \n\t"
"breq wait_spm3 \n\t"
"ldi r16,0x01 \n\t" //Load r0,r1 into FLASH page buffer
"sts %0,r16 \n\t"
"spm \n\t"
"inc r17 \n\t" //page_word_count++
"cpi r17,%1 \n\t"
"brlo same_page \n\t" //Still same page in FLASH
"write_page: \n\t"
"clr r17 \n\t" //New page, write current one first
"wait_spm4: \n\t"
"lds r16,%0 \n\t" //Wait for previous spm to complete
"andi r16,1 \n\t"
"cpi r16,1 \n\t"
"breq wait_spm4 \n\t"
"ldi r16,0x05 \n\t" //Write page pointed to by Z
"sts %0,r16 \n\t"
"spm \n\t"
"wait_spm5: \n\t"
"lds r16,%0 \n\t" //Wait for previous spm to complete
"andi r16,1 \n\t"
"cpi r16,1 \n\t"
"breq wait_spm5 \n\t"
"ldi r16,0x11 \n\t" //Re-enable RWW section
"sts %0,r16 \n\t"
"spm \n\t"
"same_page: \n\t"
"adiw r30,2 \n\t" //Next word in FLASH
"sbiw r24,2 \n\t" //length-2
"breq final_write \n\t" //Finished
"rjmp length_loop \n\t"
"final_write: \n\t"
"cpi r17,0 \n\t"
"breq block_done \n\t"
"adiw r24,2 \n\t" //length+2, fool above check on length after short page write
"rjmp write_page \n\t"
"block_done: \n\t"
"clr __zero_reg__ \n\t" //restore zero register
: "=m" (SPMCR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31");
/* Should really add a wait for RWW section to be enabled, don't actually need it since we never */
/* exit the bootloader without a power cycle anyhow */
}
putch(0x14);
putch(0x10);
}
if (flags.eeprom) { //Write to EEPROM one byte at a time
for(w=0;w<length.word;w++) {
eeprom_wb(address.word,buff[w]);
address.word++;
}
} else { //Write to FLASH one page at a time
//if (address.byte[1]>127) address_high = 0x01; //Only possible with m128, m256 will need 3rd address byte. FIXME
//else address_high = 0x00;
//address.word = address.word << 1; //address * 2 -> byte location
//if ((length.byte[0] & 0x01)) length.word++; //Even up an odd number of bytes
cli(); //Disable interrupts, just to be sure
while(bit_is_set(EECR,EEWE)); //Wait for previous EEPROM writes to complete
asm volatile(
"clr r17 \n\t" //page_word_count
"lds r30,address \n\t" //Address of FLASH location (in words)
"lds r31,address+1 \n\t"
"lsl r30 \n\t" //address * 2 -> byte location
"rol r31 \n\t"
"ldi r28,lo8(buff) \n\t" //Start of buffer array in RAM
"ldi r29,hi8(buff) \n\t"
"lds r24,length \n\t" //Length of data to be written (in bytes)
"lds r25,length+1 \n\t"
"sbrs r24,0 \n\t" //Even up an odd number of bytes
"rjmp length_loop \n\t"
"adiw r24,1 \n\t"
"length_loop: \n\t" //Main loop, repeat for number of words in block
"cpi r17,0x00 \n\t" //If page_word_count=0 then erase page
"brne no_page_erase \n\t"
"rcall wait_spm \n\t"
// "wait_spm1: \n\t"
// "lds r16,%0 \n\t" //Wait for previous spm to complete
// "andi r16,1 \n\t"
// "cpi r16,1 \n\t"
// "breq wait_spm1 \n\t"
"ldi r16,0x03 \n\t" //Erase page pointed to by Z
"sts %0,r16 \n\t"
"spm \n\t"
"rcall wait_spm \n\t"
// "wait_spm2: \n\t"
// "lds r16,%0 \n\t" //Wait for previous spm to complete
// "andi r16,1 \n\t"
// "cpi r16,1 \n\t"
// "breq wait_spm2 \n\t"
"ldi r16,0x11 \n\t" //Re-enable RWW section
"sts %0,r16 \n\t"
"spm \n\t"
"no_page_erase: \n\t"
"ld r0,Y+ \n\t" //Write 2 bytes into page buffer
"ld r1,Y+ \n\t"
"rcall wait_spm \n\t"
// "wait_spm3: \n\t"
// "lds r16,%0 \n\t" //Wait for previous spm to complete
// "andi r16,1 \n\t"
// "cpi r16,1 \n\t"
// "breq wait_spm3 \n\t"
"ldi r16,0x01 \n\t" //Load r0,r1 into FLASH page buffer
"sts %0,r16 \n\t"
"spm \n\t"
"inc r17 \n\t" //page_word_count++
"cpi r17,%1 \n\t"
"brlo same_page \n\t" //Still same page in FLASH
"write_page: \n\t"
"clr r17 \n\t" //New page, write current one first
"rcall wait_spm \n\t"
// "wait_spm4: \n\t"
// "lds r16,%0 \n\t" //Wait for previous spm to complete
// "andi r16,1 \n\t"
// "cpi r16,1 \n\t"
// "breq wait_spm4 \n\t"
"ldi r16,0x05 \n\t" //Write page pointed to by Z
"sts %0,r16 \n\t"
"spm \n\t"
"rcall wait_spm \n\t"
// "wait_spm5: \n\t"
// "lds r16,%0 \n\t" //Wait for previous spm to complete
// "andi r16,1 \n\t"
// "cpi r16,1 \n\t"
// "breq wait_spm5 \n\t"
"ldi r16,0x11 \n\t" //Re-enable RWW section
"sts %0,r16 \n\t"
"spm \n\t"
"same_page: \n\t"
"adiw r30,2 \n\t" //Next word in FLASH
"sbiw r24,2 \n\t" //length-2
"breq final_write \n\t" //Finished
"rjmp length_loop \n\t"
"wait_spm: \n\t"
"lds r16,%0 \n\t" //Wait for previous spm to complete
"andi r16,1 \n\t"
"cpi r16,1 \n\t"
"breq wait_spm \n\t"
"ret \n\t"
"final_write: \n\t"
"cpi r17,0 \n\t"
"breq block_done \n\t"
"adiw r24,2 \n\t" //length+2, fool above check on length after short page write
"rjmp write_page \n\t"
"block_done: \n\t"
"clr __zero_reg__ \n\t" //restore zero register
: "=m" (SPMCR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31");
/* Should really add a wait for RWW section to be enabled, don't actually need it since we never */
/* exit the bootloader without a power cycle anyhow */
}
putch(0x14);
putch(0x10);
}
}
/* Read memory block mode, length is big endian. */
@ -414,34 +411,32 @@ int main(void)
length.byte[0] = getch();
if (getch() == 'E') flags.eeprom = 1;
else {
flags.eeprom = 0;
address.word = address.word << 1; // address * 2 -> byte location
flags.eeprom = 0;
address.word = address.word << 1; // address * 2 -> byte location
}
if (getch() == ' ') { // Command terminator
putch(0x14);
for (w=0;w < length.word;w++) { // Can handle odd and even lengths okay
if (flags.eeprom) { // Byte access EEPROM read
putch(eeprom_rb(address.word));
address.word++;
}
else {
if (!flags.rampz) putch(pgm_read_byte_near(address.word));
address.word++;
}
}
putch(0x10);
putch(0x14);
for (w=0;w < length.word;w++) { // Can handle odd and even lengths okay
if (flags.eeprom) { // Byte access EEPROM read
putch(eeprom_rb(address.word));
address.word++;
} else {
if (!flags.rampz) putch(pgm_read_byte_near(address.word));
address.word++;
}
}
putch(0x10);
}
}
/* Get device signature bytes */
else if(ch=='u') {
if (getch() == ' ') {
putch(0x14);
putch(SIG1);
putch(SIG2);
putch(SIG3);
putch(0x10);
putch(0x14);
putch(SIG1);
putch(SIG2);
putch(SIG3);
putch(0x10);
}
}
@ -449,17 +444,13 @@ int main(void)
else if(ch=='v') {
byte_response(0x00);
}
}
else {
time_count++;
if (time_count>=MAX_TIME_COUNT) {
app_start();
}
}
}
/* end of forever loop */
// } else {
// time_count++;
// if (time_count>=MAX_TIME_COUNT) {
// app_start();
// }
// }
} /* end of forever loop */
}
void putch(char ch)
@ -472,8 +463,12 @@ void putch(char ch)
char getch(void)
{
/* m8 */
uint32_t count = 0;
while(!(inb(UCSRA) & _BV(RXC))) {
/* HACKME:: here is a good place to count times*/
/* HACKME:: here is a good place to count times*/
count++;
if (count > MAX_TIME_COUNT)
app_start();
}
return (inb(UDR));
}
@ -483,8 +478,9 @@ void getNch(uint8_t count)
uint8_t i;
for(i=0;i<count;i++) {
/* m8 */
while(!(inb(UCSRA) & _BV(RXC)));
inb(UDR);
//while(!(inb(UCSRA) & _BV(RXC)));
//inb(UDR);
getch(); // need to handle time out
}
}

View File

@ -4,19 +4,12 @@
# program name should not be changed...
PROGRAM = ATmegaBOOT
# enter the product name for which you want to build the bootloader/monitor
# currently CRUMB8, CRUMB128 and PROBOMEGA128 are supported
PRODUCT = CRUMB8
PRODUCT=atmega8
# enter the parameters for the UISP isp tool
#ISPPARAMS = -dprog=stk200 -dlpt=0x378
ISPPARAMS = -dprog=stk500 -dserial=/dev/com1 -dspeed=115200
ISPPARAMS = -dprog=stk500 -dserial=$(SERIAL) -dspeed=115200
############################################################
# You should not have to change anything below here.
############################################################
#DIRAVR = /usr/local/avr
DIRAVRBIN = $(DIRAVR)/bin
DIRAVRUTILS = $(DIRAVR)/utils/bin
@ -24,45 +17,21 @@ DIRINC = .
DIRLIB = $(DIRAVR)/avr/lib
ifeq ($(PRODUCT),CRUMB8)
MCU_TARGET = atmega8
LDSECTION = --section-start=.text=0x1800
LDSECTION = --section-start=.text=0x1c00
FUSE_L = 0xdf
FUSE_H = 0xc8
FUSE_H = 0xca
ISPFUSES = $(DIRAVRBIN)/uisp -dpart=ATmega8 $(ISPPARAMS) --wr_fuse_l=$(FUSE_L) --wr_fuse_h=$(FUSE_H)
ISPFLASH = $(DIRAVRBIN)/uisp -dpart=ATmega8 $(ISPPARAMS) --erase --upload if=$(PROGRAM).hex -v
endif
ifeq ($(PRODUCT),CRUMB128)
MCU_TARGET = atmega128
LDSECTION = --section-start=.text=0x1E000
FUSE_L = 0xdf
FUSE_H = 0xc8
FUSE_E = 0xff
ISPFUSES = ./uisp -dpart=ATmega128 $(ISPPARAMS) --wr_fuse_l=$(FUSE_L) --wr_fuse_h=$(FUSE_H) --wr_fuse_e=$(FUSE_E)
ISPFLASH = ./uisp -dpart=ATmega128 $(ISPPARAMS) --erase --upload if=$(PROGRAM).hex -v
endif
ifeq ($(PRODUCT),PROBOMEGA128)
MCU_TARGET = atmega128
LDSECTION = --section-start=.text=0x1E000
FUSE_L = 0xdf
FUSE_H = 0xc8
FUSE_E = 0xff
ISPFUSES = ./uisp -dpart=ATmega128 $(ISPPARAMS) --wr_fuse_l=$(FUSE_L) --wr_fuse_h=$(FUSE_H) --wr_fuse_e=$(FUSE_E)
ISPFLASH = ./uisp -dpart=ATmega128 $(ISPPARAMS) --erase --upload if=$(PROGRAM).hex -v
endif
OBJ = $(PROGRAM).o
OPTIMIZE = -O3
OPTIMIZE = -Os
DEFS =
DEFS = -DF_CPU=16000000 -DBAUD_RATE=9600
LIBS =
CC = $(DIRAVRBIN)/avr-gcc
CC = $(DIRAVRBIN)/avr-gcc
# Override is only needed by avr-lib build system.
@ -72,8 +41,9 @@ override LDFLAGS = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
OBJCOPY = $(DIRAVRBIN)/avr-objcopy
OBJDUMP = $(DIRAVRBIN)/avr-objdump
SIZE = $(DIRAVRBIN)/avr-size
all: $(PROGRAM).elf lst text
all: $(PROGRAM).elf lst text asm size
isp: $(PROGRAM).hex
$(ISPFUSES)
@ -83,14 +53,23 @@ $(PROGRAM).elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
rm -rf *.s
rm -rf *.o *.elf
rm -rf *.lst *.map
asm: $(PROGRAM).s
%.s: %.c
$(CC) -S $(CFLAGS) -g1 $^
lst: $(PROGRAM).lst
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
size: $(PROGRAM).hex
$(SIZE) $^
# Rules for building the .text rom images
text: hex bin srec

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@ -25,6 +25,6 @@ PORT=/dev/ttyS0
#PORT=/dev/tty.USA19QW1b1P1.1
uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --wr_lock=0xFF
uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --wr_fuse_l=0xdf --wr_fuse_h=0xc8
uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --wr_fuse_l=0xdf --wr_fuse_h=0xca
uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --erase --upload if=ATMegaBOOT.hex -v
uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --wr_lock=0xCF

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@ -17,13 +17,19 @@
# parametre
#
#BINDIR=/usr/local/avr/bin
BINDIR=../build/macosx/work/tools/avr/bin
#PORT=/dev/tty.usbserial0
#PORT=/dev/tty.USA19QW3b1P1.1
PORT=/dev/tty.USA19QW1b1P1.1
BINDIR=../tools/avr/bin
PORT=/dev/tty.USA19QW?b1P1.1
# unlock bootloader segment
$BINDIR/uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --wr_lock=0xFF
$BINDIR/uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --wr_fuse_l=0xdf --wr_fuse_h=0xc8
# set fuses
# bootloader size of 512 words; from 0xE00-0xFFF
# clock speed of 16 MHz, external quartz
$BINDIR/uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --wr_fuse_l=0xdf --wr_fuse_h=0xca
# upload bootloader
$BINDIR/uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --erase --upload if=ATMegaBOOT.hex -v
# lock bootloader segment
$BINDIR/uisp -dpart=ATmega8 -dprog=stk500 -dserial=$PORT -dspeed=115200 --wr_lock=0xCF

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@ -1,6 +1,6 @@
REM TODO: need way to specify serial port.
..\tools\avr\bin\uisp -dpart=ATmega8 -dprog=stk500 -dserial=com1 -dspeed=115200 --wr_lock=0xFF
..\tools\avr\bin\uisp -dpart=ATmega8 -dprog=stk500 -dserial=com1 -dspeed=115200 --wr_fuse_l=0xdf --wr_fuse_h=0xc8
..\tools\avr\bin\uisp -dpart=ATmega8 -dprog=stk500 -dserial=com1 -dspeed=115200 --wr_fuse_l=0xdf --wr_fuse_h=0xca
..\tools\avr\bin\uisp -dpart=ATmega8 -dprog=stk500 -dserial=com1 -dspeed=115200 --erase --upload --verify if=ATMegaBOOT.hex
..\tools\avr\bin\uisp -dpart=ATmega8 -dprog=stk500 -dserial=com1 -dspeed=115200 --wr_lock=0xCF