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-rw-r--r--bootloaders/bt/ATmegaBOOT_168.c1038
-rw-r--r--bootloaders/bt/ATmegaBOOT_168.hex121
-rw-r--r--bootloaders/bt/ATmegaBOOT_168_atmega328_bt.hex162
-rwxr-xr-xbootloaders/bt/Makefile109
4 files changed, 1430 insertions, 0 deletions
diff --git a/bootloaders/bt/ATmegaBOOT_168.c b/bootloaders/bt/ATmegaBOOT_168.c
new file mode 100644
index 0000000..c73eefa
--- /dev/null
+++ b/bootloaders/bt/ATmegaBOOT_168.c
@@ -0,0 +1,1038 @@
+/**********************************************************/
+/* Serial Bootloader for Atmel megaAVR Controllers */
+/* */
+/* tested with ATmega8, ATmega128 and ATmega168 */
+/* should work with other mega's, see code for details */
+/* */
+/* ATmegaBOOT.c */
+/* */
+/* build: 050815 */
+/* date : 15.08.2005 */
+/* */
+/* 20060802: hacked for Arduino by D. Cuartielles */
+/* based on a previous hack by D. Mellis */
+/* and D. Cuartielles */
+/* */
+/* Monitor and debug functions were added to the original */
+/* code by Dr. Erik Lins, chip45.com. (See below) */
+/* */
+/* Thanks to Karl Pitrich for fixing a bootloader pin */
+/* problem and more informative LED blinking! */
+/* */
+/* For the latest version see: */
+/* http://www.chip45.com/ */
+/* */
+/* ------------------------------------------------------ */
+/* */
+/* based on stk500boot.c */
+/* Copyright (c) 2003, Jason P. Kyle */
+/* All rights reserved. */
+/* see avr1.org for original file and information */
+/* */
+/* 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 */
+/* */
+/* 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 m128,m8,m163 - feel free to let me know */
+/* how/if it works for you. */
+/* */
+/**********************************************************/
+
+
+/* some includes */
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+#include <avr/interrupt.h>
+#include <avr/wdt.h>
+
+
+#define set_output(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#define set_input(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+
+
+#define high(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#define low(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+
+
+
+
+/* the current avr-libc eeprom functions do not support the ATmega168 */
+/* own eeprom write/read functions are used instead */
+#if !defined(__AVR_ATmega168__) || !defined(__AVR_ATmega328P__)
+#include <avr/eeprom.h>
+#endif
+
+/* define F_CPU according to AVR_FREQ set in Makefile */
+/* Is there a better way to pass such a parameter from Makefile to source code ? */
+
+#define F_CPU 16000000L
+
+#include <util/delay.h>
+
+
+/* 20060803: hacked by DojoCorp */
+/* set the waiting time for the bootloader */
+#define MAX_TIME_COUNT (F_CPU>>1)
+
+/* set the UART baud rate */
+/* 20060803: hacked by DojoCorp */
+#define BAUD_RATE 115200
+
+
+/* SW_MAJOR and MINOR needs to be updated from time to time to avoid warning message from AVR Studio */
+/* never allow AVR Studio to do an update !!!! */
+#define HW_VER 0x02
+#define SW_MAJOR 0x01
+#define SW_MINOR 0x0f
+
+
+/* Adjust to suit whatever pin your hardware uses to enter the bootloader */
+/* ATmega128 has two UARTS so two pins are used to enter bootloader and select UART */
+/* BL0... means UART0, BL1... means UART1 */
+#ifdef __AVR_ATmega128__
+#define BL_DDR DDRF
+#define BL_PORT PORTF
+#define BL_PIN PINF
+#define BL0 PINF7
+#define BL1 PINF6
+#else
+/* 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
+#endif
+
+
+/* onboard LED is used to indicate, that the bootloader was entered (3x flashing) */
+/* if monitor functions are included, LED goes on after monitor was entered */
+#ifdef __AVR_ATmega128__
+/* Onboard LED is connected to pin PB7 (e.g. Crumb128, PROBOmega128, Savvy128) */
+#define LED_DDR DDRB
+#define LED_PORT PORTB
+#define LED_PIN PINB
+#define LED PINB7
+#else
+/* Onboard LED is connected to pin PB2 (e.g. Crumb8, Crumb168) */
+#define LED_DDR DDRB
+#define LED_PORT PORTB
+#define LED_PIN PINB
+/* 20060803: hacked by DojoCorp, LED pin is B5 in Arduino */
+/* #define LED PINB2 */
+#define LED PINB5
+#endif
+
+
+/* monitor functions will only be compiled when using ATmega128, due to bootblock size constraints */
+#ifdef __AVR_ATmega128__
+#define MONITOR
+#endif
+
+
+/* define various device id's */
+/* manufacturer byte is always the same */
+#define SIG1 0x1E // Yep, Atmel is the only manufacturer of AVR micros. Single source :(
+
+#if defined __AVR_ATmega128__
+#define SIG2 0x97
+#define SIG3 0x02
+#define PAGE_SIZE 0x80U //128 words
+
+#elif defined __AVR_ATmega64__
+#define SIG2 0x96
+#define SIG3 0x02
+#define PAGE_SIZE 0x80U //128 words
+
+#elif defined __AVR_ATmega32__
+#define SIG2 0x95
+#define SIG3 0x02
+#define PAGE_SIZE 0x40U //64 words
+
+#elif defined __AVR_ATmega16__
+#define SIG2 0x94
+#define SIG3 0x03
+#define PAGE_SIZE 0x40U //64 words
+
+#elif defined __AVR_ATmega8__
+#define SIG2 0x93
+#define SIG3 0x07
+#define PAGE_SIZE 0x20U //32 words
+
+#elif defined __AVR_ATmega88__
+#define SIG2 0x93
+#define SIG3 0x0a
+#define PAGE_SIZE 0x20U //32 words
+
+#elif defined __AVR_ATmega168__
+#define SIG2 0x94
+#define SIG3 0x06
+#define PAGE_SIZE 0x40U //64 words
+
+#elif defined __AVR_ATmega328P__
+#define SIG2 0x95
+#define SIG3 0x0F
+#define PAGE_SIZE 0x40U //64 words
+
+#elif defined __AVR_ATmega162__
+#define SIG2 0x94
+#define SIG3 0x04
+#define PAGE_SIZE 0x40U //64 words
+
+#elif defined __AVR_ATmega163__
+#define SIG2 0x94
+#define SIG3 0x02
+#define PAGE_SIZE 0x40U //64 words
+
+#elif defined __AVR_ATmega169__
+#define SIG2 0x94
+#define SIG3 0x05
+#define PAGE_SIZE 0x40U //64 words
+
+#elif defined __AVR_ATmega8515__
+#define SIG2 0x93
+#define SIG3 0x06
+#define PAGE_SIZE 0x20U //32 words
+
+#elif defined __AVR_ATmega8535__
+#define SIG2 0x93
+#define SIG3 0x08
+#define PAGE_SIZE 0x20U //32 words
+#endif
+
+
+/* function prototypes */
+void putch(char);
+char getch(void);
+void getNch(uint8_t);
+void byte_response(uint8_t);
+void nothing_response(void);
+char gethex(void);
+void puthex(char);
+void flash_led(uint8_t);
+
+/* some variables */
+union address_union {
+ uint16_t word;
+ uint8_t byte[2];
+} address;
+
+union length_union {
+ uint16_t word;
+ uint8_t byte[2];
+} length;
+
+struct flags_struct {
+ unsigned eeprom : 1;
+ unsigned rampz : 1;
+} flags;
+
+uint8_t buff[256];
+uint8_t address_high;
+
+uint8_t pagesz=0x80;
+
+uint8_t i;
+uint8_t bootuart = 0;
+
+void (*app_start)(void) = 0x0000;
+
+
+/* main program starts here */
+int main(void)
+{
+ uint8_t ch,ch2;
+ uint16_t w;
+
+ asm volatile("nop\n\t");
+
+ /* set pin direction for bootloader pin and enable pullup */
+ /* for ATmega128, two pins need to be initialized */
+#ifdef __AVR_ATmega128__
+ BL_DDR &= ~_BV(BL0);
+ BL_DDR &= ~_BV(BL1);
+ BL_PORT |= _BV(BL0);
+ BL_PORT |= _BV(BL1);
+#else
+ BL_DDR &= ~_BV(BL);
+ BL_PORT |= _BV(BL);
+#endif
+
+
+#ifdef __AVR_ATmega128__
+ /* check which UART should be used for booting */
+ if(bit_is_clear(BL_PIN, BL0)) {
+ bootuart = 1;
+ }
+ else if(bit_is_clear(BL_PIN, BL1)) {
+ bootuart = 2;
+ }
+#endif
+
+ /* check if flash is programmed already, if not start bootloader anyway */
+ if(pgm_read_byte_near(0x0000) != 0xFF) {
+
+#ifdef __AVR_ATmega128__
+ /* no UART was selected, start application */
+ if(!bootuart) {
+ app_start();
+ }
+#else
+ /* check if bootloader pin is set low */
+ /* we don't start this part neither for the m8, nor m168 */
+ //if(bit_is_set(BL_PIN, BL)) {
+ // app_start();
+ // }
+#endif
+ }
+
+#ifdef __AVR_ATmega128__
+ /* no bootuart was selected, default to uart 0 */
+ if(!bootuart) {
+ bootuart = 1;
+ }
+#endif
+
+
+ /* initialize UART(s) depending on CPU defined */
+#ifdef __AVR_ATmega128__
+ if(bootuart == 1) {
+ UBRR0L = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
+ UBRR0H = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
+ UCSR0A = 0x00;
+ UCSR0C = 0x06;
+ UCSR0B = _BV(TXEN0)|_BV(RXEN0);
+ }
+ if(bootuart == 2) {
+ UBRR1L = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
+ UBRR1H = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
+ UCSR1A = 0x00;
+ UCSR1C = 0x06;
+ UCSR1B = _BV(TXEN1)|_BV(RXEN1);
+ }
+#elif defined __AVR_ATmega163__
+ UBRR = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
+ UBRRHI = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
+ UCSRA = 0x00;
+ UCSRB = _BV(TXEN)|_BV(RXEN);
+#elif defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__)
+
+ UBRR0H = ((F_CPU / 16 + BAUD_RATE / 2) / BAUD_RATE - 1) >> 8;
+ UBRR0L = ((F_CPU / 16 + BAUD_RATE / 2) / BAUD_RATE - 1);
+
+
+ //UBRR0L = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
+ //UBRR0H = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
+ UCSR0B = (1<<RXEN0) | (1<<TXEN0);
+ UCSR0C = (1<<UCSZ00) | (1<<UCSZ01);
+#elif defined __AVR_ATmega8__
+ /* 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
+ UCSRC = (1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0); // config USART; 8N1
+#else
+ /* m16,m32,m169,m8515,m8535 */
+ UBRRL = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
+ UBRRH = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
+ UCSRA = 0x00;
+ UCSRC = 0x06;
+ UCSRB = _BV(TXEN)|_BV(RXEN);
+#endif
+
+ /* set LED pin as output */
+ LED_DDR |= _BV(LED);
+
+
+
+ set_output(DDRD,PIND7);
+ high(PORTD,PD7);
+ for (i = 0; i < 16; i++) {
+
+ _delay_loop_2(0);
+ }
+
+
+ low(PORTD,PD7);
+
+
+ /* flash onboard LED to signal entering of bootloader */
+#ifdef __AVR_ATmega128__
+ // 4x for UART0, 5x for UART1
+ flash_led(3 + bootuart);
+#else
+ flash_led(3);
+#endif
+
+ /* 20050803: by DojoCorp, this is one of the parts provoking the
+ system to stop listening, cancelled from the original */
+ //putch('\0');
+
+
+ //message("SET BT PAGEMODE 3 2000 1");
+putch('S');
+putch('E');
+putch('T');
+putch(' ');
+putch('B');
+putch('T');
+putch(' ');
+putch('P');
+putch('A');
+putch('G');
+putch('E');
+putch('M');
+putch('O');
+putch('D');
+putch('E');
+putch(' ');
+putch('3');
+putch(' ');
+putch('2');
+putch('0');
+putch('0');
+putch('0');
+putch(' ');
+putch('1');
+putch(0x0D);
+
+
+ //put_s("SET BT ROLE 0 f 7d00");
+ putch('S');
+ putch('E');
+ putch('T');
+ putch(' ');
+ putch('B');
+ putch('T');
+ putch(' ');
+ putch('R');
+ putch('O');
+ putch('L');
+ putch('E');
+ putch(' ');
+ putch('0');
+ putch(' ');
+ putch('f');
+ putch(' ');
+ putch('7');
+ putch('d');
+ putch('0');
+ putch('0');
+ putch(0x0D);
+
+
+
+
+
+
+ /* forever loop */
+ for (;;) {
+
+ /* get character from UART */
+ ch = getch();
+
+ /* A bunch of if...else if... gives smaller code than switch...case ! */
+
+ /* Hello is anyone home ? */
+ if(ch=='0') {
+ nothing_response();
+ }
+
+
+ /* 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);
+ }
+ }
+
+
+ /* AVR ISP/STK500 board commands DON'T CARE so default nothing_response */
+ else if(ch=='@') {
+ ch2 = getch();
+ if (ch2>0x85) getch();
+ nothing_response();
+ }
+
+
+ /* AVR ISP/STK500 board requests */
+ else if(ch=='A') {
+ ch2 = getch();
+ 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 byte_response(0x00); // Covers various unnecessary responses we don't care about
+ }
+
+
+ /* Device Parameters DON'T CARE, DEVICE IS FIXED */
+ else if(ch=='B') {
+ getNch(20);
+ nothing_response();
+ }
+
+
+ /* Parallel programming stuff DON'T CARE */
+ else if(ch=='E') {
+ getNch(5);
+ nothing_response();
+ }
+
+
+ /* Enter programming mode */
+ else if(ch=='P') {
+ nothing_response();
+ }
+
+
+ /* Leave programming mode */
+ else if(ch=='Q') {
+ nothing_response();
+ }
+
+
+ /* Erase device, don't care as we will erase one page at a time anyway. */
+ else if(ch=='R') {
+ nothing_response();
+ }
+
+
+ /* Set address, little endian. EEPROM in bytes, FLASH in words */
+ /* Perhaps extra address bytes may be added in future to support > 128kB FLASH. */
+ /* This might explain why little endian was used here, big endian used everywhere else. */
+ else if(ch=='U') {
+ address.byte[0] = getch();
+ address.byte[1] = getch();
+ nothing_response();
+ }
+
+
+ /* Universal SPI programming command, disabled. Would be used for fuses and lock bits. */
+ else if(ch=='V') {
+ getNch(4);
+ byte_response(0x00);
+ }
+
+
+ /* Write memory, length is big endian and is in bytes */
+ else if(ch=='d') {
+ length.byte[1] = getch();
+ length.byte[0] = getch();
+ 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
+ }
+ if (getch() == ' ') {
+ if (flags.eeprom) { //Write to EEPROM one byte at a time
+ for(w=0;w<length.word;w++) {
+#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__)
+ while(EECR & (1<<EEPE));
+ EEAR = (uint16_t)(void *)address.word;
+ EEDR = buff[w];
+ EECR |= (1<<EEMPE);
+ EECR |= (1<<EEPE);
+#else
+ eeprom_write_byte((void *)address.word,buff[w]);
+#endif
+ 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;
+#ifdef __AVR_ATmega128__
+ RAMPZ = address_high;
+#endif
+ 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
+ // HACKME: EEPE used to be EEWE
+ while(bit_is_set(EECR,EEPE)); //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"
+#ifdef __AVR_ATmega163__
+ ".word 0xFFFF \n\t"
+ "nop \n\t"
+#endif
+ "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"
+#ifdef __AVR_ATmega163__
+ ".word 0xFFFF \n\t"
+ "nop \n\t"
+#endif
+ "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"
+#ifdef __AVR_ATmega163__
+ "andi r30,0x80 \n\t" // m163 requires Z6:Z1 to be zero during page write
+#endif
+ "ldi r16,0x05 \n\t" //Write page pointed to by Z
+ "sts %0,r16 \n\t"
+ "spm \n\t"
+#ifdef __AVR_ATmega163__
+ ".word 0xFFFF \n\t"
+ "nop \n\t"
+ "ori r30,0x7E \n\t" // recover Z6:Z1 state after page write (had to be zero during write)
+#endif
+ "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"
+#ifdef __AVR_ATmega163__
+ ".word 0xFFFF \n\t"
+ "nop \n\t"
+#endif
+ "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
+#if defined __AVR_ATmega168__ || __AVR_ATmega328P__
+ : "=m" (SPMCSR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"
+#else
+ : "=m" (SPMCR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"
+#endif
+ );
+ /* 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. */
+ else if(ch=='t') {
+ length.byte[1] = getch();
+ length.byte[0] = getch();
+#if defined __AVR_ATmega128__
+ if (address.word>0x7FFF) flags.rampz = 1; // No go with m256, FIXME
+ else flags.rampz = 0;
+#endif
+ if (getch() == 'E') flags.eeprom = 1;
+ else {
+ 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
+#if defined __AVR_ATmega168__ || __AVR_ATmega328P__
+ while(EECR & (1<<EEPE));
+ EEAR = (uint16_t)(void *)address.word;
+ EECR |= (1<<EERE);
+ putch(EEDR);
+#else
+ putch(eeprom_read_byte((void *)address.word));
+#endif
+ address.word++;
+ }
+ else {
+
+ if (!flags.rampz) putch(pgm_read_byte_near(address.word));
+#if defined __AVR_ATmega128__
+ else putch(pgm_read_byte_far(address.word + 0x10000));
+ // Hmmmm, yuck FIXME when m256 arrvies
+#endif
+ address.word++;
+ }
+ }
+ putch(0x10);
+ }
+ }
+
+
+ /* Get device signature bytes */
+ else if(ch=='u') {
+ if (getch() == ' ') {
+ putch(0x14);
+ putch(SIG1);
+ putch(SIG2);
+ putch(SIG3);
+ putch(0x10);
+ }
+ }
+
+
+ /* Read oscillator calibration byte */
+ else if(ch=='v') {
+ byte_response(0x00);
+ }
+
+
+#ifdef MONITOR
+
+ /* here come the extended monitor commands by Erik Lins */
+
+ /* check for three times exclamation mark pressed */
+ else if(ch=='!') {
+ ch = getch();
+ if(ch=='!') {
+ ch = getch();
+ if(ch=='!') {
+
+#ifdef __AVR_ATmega128__
+ uint16_t extaddr;
+#endif
+ uint8_t addrl, addrh;
+
+#ifdef CRUMB128
+ PGM_P welcome = {"ATmegaBOOT / Crumb128 - (C) J.P.Kyle, E.Lins - 050815\n\r"};
+#elif defined PROBOMEGA128
+ PGM_P welcome = {"ATmegaBOOT / PROBOmega128 - (C) J.P.Kyle, E.Lins - 050815\n\r"};
+#elif defined SAVVY128
+ PGM_P welcome = {"ATmegaBOOT / Savvy128 - (C) J.P.Kyle, E.Lins - 050815\n\r"};
+#endif
+
+ /* turn on LED */
+ LED_DDR |= _BV(LED);
+ LED_PORT &= ~_BV(LED);
+
+ /* print a welcome message and command overview */
+ for(i=0; welcome[i] != '\0'; ++i) {
+ putch(welcome[i]);
+ }
+
+ /* test for valid commands */
+ for(;;) {
+ putch('\n');
+ putch('\r');
+ putch(':');
+ putch(' ');
+
+ ch = getch();
+ putch(ch);
+
+ /* toggle LED */
+ if(ch == 't') {
+ if(bit_is_set(LED_PIN,LED)) {
+ LED_PORT &= ~_BV(LED);
+ putch('1');
+ } else {
+ LED_PORT |= _BV(LED);
+ putch('0');
+ }
+
+ }
+
+ /* read byte from address */
+ else if(ch == 'r') {
+ ch = getch(); putch(ch);
+ addrh = gethex();
+ addrl = gethex();
+ putch('=');
+ ch = *(uint8_t *)((addrh << 8) + addrl);
+ puthex(ch);
+ }
+
+ /* write a byte to address */
+ else if(ch == 'w') {
+ ch = getch(); putch(ch);
+ addrh = gethex();
+ addrl = gethex();
+ ch = getch(); putch(ch);
+ ch = gethex();
+ *(uint8_t *)((addrh << 8) + addrl) = ch;
+
+ }
+
+ /* read from uart and echo back */
+ else if(ch == 'u') {
+ for(;;) {
+ putch(getch());
+ }
+ }
+#ifdef __AVR_ATmega128__
+ /* external bus loop */
+ else if(ch == 'b') {
+ putch('b');
+ putch('u');
+ putch('s');
+ MCUCR = 0x80;
+ XMCRA = 0;
+ XMCRB = 0;
+ extaddr = 0x1100;
+ for(;;) {
+ ch = *(volatile uint8_t *)extaddr;
+ if(++extaddr == 0) {
+ extaddr = 0x1100;
+ }
+ }
+ }
+#endif
+
+ else if(ch == 'j') {
+ app_start();
+ }
+
+ }
+ /* end of monitor functions */
+
+ }
+ }
+ }
+ /* end of monitor */
+#endif
+
+
+ }
+ /* end of forever loop */
+
+}
+
+
+char gethex(void) {
+ char ah,al;
+
+ ah = getch(); putch(ah);
+ al = getch(); putch(al);
+ if(ah >= 'a') {
+ ah = ah - 'a' + 0x0a;
+ } else if(ah >= '0') {
+ ah -= '0';
+ }
+ if(al >= 'a') {
+ al = al - 'a' + 0x0a;
+ } else if(al >= '0') {
+ al -= '0';
+ }
+ return (ah << 4) + al;
+}
+
+
+void puthex(char ch) {
+ char ah,al;
+
+ ah = (ch & 0xf0) >> 4;
+ if(ah >= 0x0a) {
+ ah = ah - 0x0a + 'a';
+ } else {
+ ah += '0';
+ }
+ al = (ch & 0x0f);
+ if(al >= 0x0a) {
+ al = al - 0x0a + 'a';
+ } else {
+ al += '0';
+ }
+ putch(ah);
+ putch(al);
+}
+
+
+void putch(char ch)
+{
+#ifdef __AVR_ATmega128__
+ if(bootuart == 1) {
+ while (!(UCSR0A & _BV(UDRE0)));
+ UDR0 = ch;
+ }
+ else if (bootuart == 2) {
+ while (!(UCSR1A & _BV(UDRE1)));
+ UDR1 = ch;
+ }
+#elif defined (__AVR_ATmega168__) || defined(__AVR_ATmega328P__)
+ while (!(UCSR0A & _BV(UDRE0)));
+ UDR0 = ch;
+#else
+ /* m8,16,32,169,8515,8535,163 */
+ while (!(UCSRA & _BV(UDRE)));
+ UDR = ch;
+#endif
+}
+
+
+char getch(void)
+{
+#ifdef __AVR_ATmega128__
+ if(bootuart == 1) {
+ while(!(UCSR0A & _BV(RXC0)));
+ return UDR0;
+ }
+ else if(bootuart == 2) {
+ while(!(UCSR1A & _BV(RXC1)));
+ return UDR1;
+ }
+ return 0;
+#elif defined (__AVR_ATmega168__) || defined(__AVR_ATmega328P__)
+ uint32_t count = 0;
+ while(!(UCSR0A & _BV(RXC0))){
+ /* 20060803 DojoCorp:: Addon coming from the previous Bootloader*/
+ /* HACKME:: here is a good place to count times*/
+ count++;
+ if (count > MAX_TIME_COUNT)
+ app_start();
+ }
+ return UDR0;
+#else
+ /* m8,16,32,169,8515,8535,163 */
+ uint32_t count = 0;
+ while(!(UCSRA & _BV(RXC))){
+ /* 20060803 DojoCorp:: Addon coming from the previous Bootloader*/
+ /* HACKME:: here is a good place to count times*/
+ count++;
+ if (count > MAX_TIME_COUNT)
+ app_start();
+ }
+ return UDR;
+#endif
+}
+
+
+void getNch(uint8_t count)
+{
+ uint8_t i;
+ for(i=0;i<count;i++) {
+#ifdef __AVR_ATmega128__
+ if(bootuart == 1) {
+ while(!(UCSR0A & _BV(RXC0)));
+ UDR0;
+ }
+ else if(bootuart == 2) {
+ while(!(UCSR1A & _BV(RXC1)));
+ UDR1;
+ }
+#elif (defined __AVR_ATmega168__) || defined(__AVR_ATmega328P__)
+ while(!(UCSR0A & _BV(RXC0)));
+ UDR0;
+#else
+ /* m8,16,32,169,8515,8535,163 */
+ /* 20060803 DojoCorp:: Addon coming from the previous Bootloader*/
+ //while(!(UCSRA & _BV(RXC)));
+ //UDR;
+ uint8_t i;
+ for(i=0;i<count;i++) {
+ getch(); // need to handle time out
+ }
+#endif
+ }
+}
+
+
+void byte_response(uint8_t val)
+{
+ if (getch() == ' ') {
+ putch(0x14);
+ putch(val);
+ putch(0x10);
+ }
+}
+
+
+void nothing_response(void)
+{
+ if (getch() == ' ') {
+ putch(0x14);
+ putch(0x10);
+ }
+}
+
+void flash_led(uint8_t count)
+{
+ /* flash onboard LED three times to signal entering of bootloader */
+ uint32_t l;
+
+ if (count == 0) {
+ count = 3;
+ }
+
+ for (i = 0; i < count; ++i) {
+ LED_PORT |= _BV(LED);
+ for(l = 0; l < (2 * F_CPU); ++l);
+ LED_PORT &= ~_BV(LED);
+ for(l = 0; l < (F_CPU / 5); ++l);
+ }
+}
+
+
+/* end of file ATmegaBOOT.c */
diff --git a/bootloaders/bt/ATmegaBOOT_168.hex b/bootloaders/bt/ATmegaBOOT_168.hex
new file mode 100644
index 0000000..036ae54
--- /dev/null
+++ b/bootloaders/bt/ATmegaBOOT_168.hex
@@ -0,0 +1,121 @@
+:103800000C94341C0C944F1C0C944F1C0C944F1CA7
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diff --git a/bootloaders/bt/ATmegaBOOT_168_atmega328_bt.hex b/bootloaders/bt/ATmegaBOOT_168_atmega328_bt.hex
new file mode 100644
index 0000000..a50c7c3
--- /dev/null
+++ b/bootloaders/bt/ATmegaBOOT_168_atmega328_bt.hex
@@ -0,0 +1,162 @@
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diff --git a/bootloaders/bt/Makefile b/bootloaders/bt/Makefile
new file mode 100755
index 0000000..431f2e7
--- /dev/null
+++ b/bootloaders/bt/Makefile
@@ -0,0 +1,109 @@
+# Makefile for ATmegaBOOT
+# E.Lins, 18.7.2005
+# $Id$
+#
+# Instructions
+#
+# To make bootloader .hex file:
+# make diecimila
+# make lilypad
+# make ng
+# etc...
+#
+# To burn bootloader .hex file:
+# make diecimila_isp
+# make lilypad_isp
+# make ng_isp
+# etc...
+
+# program name should not be changed...
+PROGRAM = ATmegaBOOT_168
+
+# enter the parameters for the avrdude isp tool
+ISPTOOL = stk500v2
+ISPPORT = usb
+ISPSPEED = -b 115200
+
+MCU_TARGET = atmega168
+LDSECTION = --section-start=.text=0x3800
+
+# the efuse should really be 0xf8; since, however, only the lower
+# three bits of that byte are used on the atmega168, avrdude gets
+# confused if you specify 1's for the higher bits, see:
+# http://tinker.it/now/2007/02/24/the-tale-of-avrdude-atmega168-and-extended-bits-fuses/
+#
+# similarly, the lock bits should be 0xff instead of 0x3f (to
+# unlock the bootloader section) and 0xcf instead of 0x0f (to
+# lock it), but since the high two bits of the lock byte are
+# unused, avrdude would get confused.
+
+ISPFUSES = avrdude -c $(ISPTOOL) -p $(MCU_TARGET) -P $(ISPPORT) $(ISPSPEED) \
+-e -u -U lock:w:0x3f:m -U efuse:w:0x$(EFUSE):m -U hfuse:w:0x$(HFUSE):m -U lfuse:w:0x$(LFUSE):m
+ISPFLASH = avrdude -c $(ISPTOOL) -p $(MCU_TARGET) -P $(ISPPORT) $(ISPSPEED) \
+-U flash:w:$(PROGRAM)_$(TARGET).hex -U lock:w:0x0f:m
+
+STK500 = "C:\Program Files\Atmel\AVR Tools\STK500\Stk500.exe"
+STK500-1 = $(STK500) -e -d$(MCU_TARGET) -pf -vf -if$(PROGRAM)_$(TARGET).hex \
+-lFF -LFF -f$(HFUSE)$(LFUSE) -EF8 -ms -q -cUSB -I200kHz -s -wt
+STK500-2 = $(STK500) -d$(MCU_TARGET) -ms -q -lCF -LCF -cUSB -I200kHz -s -wt
+
+
+OBJ = $(PROGRAM).o
+OPTIMIZE = -O2
+
+DEFS =
+LIBS =
+
+CC = avr-gcc
+
+# Override is only needed by avr-lib build system.
+
+override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -DF_CPU=$(AVR_FREQ) $(DEFS)
+override LDFLAGS = -Wl,$(LDSECTION)
+#override LDFLAGS = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
+
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+
+all:
+
+atmega328_bt: TARGET = atmega328_bt
+atmega328_bt: MCU_TARGET = atmega328p
+atmega328_bt: AVR_FREQ = 16000000L
+atmega328_bt: LDSECTION = --section-start=.text=0x7000
+atmega328_bt: $(PROGRAM)_atmega328_bt.hex
+
+atmega328_bt_isp: atmega328_bt
+atmega328_bt_isp: TARGET = atmega328_bt
+atmega328_bt_isp: MCU_TARGET = atmega328p
+atmega328_bt_isp: HFUSE = D8
+atmega328_bt_isp: LFUSE = FF
+atmega328_bt_isp: EFUSE = 05
+atmega328_bt_isp: isp
+
+isp: $(TARGET)
+ $(ISPFUSES)
+ $(ISPFLASH)
+
+isp-stk500: $(PROGRAM)_$(TARGET).hex
+ $(STK500-1)
+ $(STK500-2)
+
+%.elf: $(OBJ)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+
+clean:
+ rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex
+
+%.lst: %.elf
+ $(OBJDUMP) -h -S $< > $@
+
+%.hex: %.elf
+ $(OBJCOPY) -j .text -j .data -O ihex $< $@
+
+%.srec: %.elf
+ $(OBJCOPY) -j .text -j .data -O srec $< $@
+
+%.bin: %.elf
+ $(OBJCOPY) -j .text -j .data -O binary $< $@
+
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-10-31 16:28:10 +0000