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-rwxr-xr-xbootloaders/atmega8/ATmegaBOOT.c507
-rw-r--r--bootloaders/atmega8/ATmegaBOOT.hex66
-rw-r--r--bootloaders/atmega8/Makefile88
3 files changed, 661 insertions, 0 deletions
diff --git a/bootloaders/atmega8/ATmegaBOOT.c b/bootloaders/atmega8/ATmegaBOOT.c
new file mode 100755
index 0000000..17977e6
--- /dev/null
+++ b/bootloaders/atmega8/ATmegaBOOT.c
@@ -0,0 +1,507 @@
+/**********************************************************/
+/* Serial Bootloader for Atmel mega8 AVR Controller */
+/* */
+/* ATmegaBOOT.c */
+/* */
+/* Copyright (c) 2003, Jason P. Kyle */
+/* */
+/* 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 */
+/* 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 m8 */
+/**********************************************************/
+
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+#include <avr/eeprom.h>
+#include <avr/interrupt.h>
+#include <avr/delay.h>
+
+//#define F_CPU 16000000
+
+/* We, Malmoitians, like slow interaction
+ * therefore the slow baud rate ;-)
+ */
+//#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 (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
+#define SW_MAJOR 0x01
+#define SW_MINOR 0x12
+
+// AVR-GCC compiler compatibility
+// 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))
+#endif
+#ifndef inb
+ #define inb(sfr) _SFR_BYTE(sfr)
+#endif
+
+/* defines for future compatibility */
+#ifndef cbi
+ #define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
+#endif
+#ifndef sbi
+ #define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
+#endif
+
+/* Adjust to suit whatever pin your hardware uses to enter the bootloader */
+#define eeprom_rb(addr) eeprom_read_byte ((uint8_t *)(addr))
+#define eeprom_rw(addr) eeprom_read_word ((uint16_t *)(addr))
+#define eeprom_wb(addr, val) eeprom_write_byte ((uint8_t *)(addr), (uint8_t)(val))
+
+/* Onboard LED is connected to pin PB5 */
+#define LED_DDR DDRB
+#define LED_PORT PORTB
+#define LED_PIN PINB
+#define LED PINB5
+
+
+#define SIG1 0x1E // Yep, Atmel is the only manufacturer of AVR micros. Single source :(
+#define SIG2 0x93
+#define SIG3 0x07
+#define PAGE_SIZE 0x20U //32 words
+
+
+void putch(char);
+char getch(void);
+void getNch(uint8_t);
+void byte_response(uint8_t);
+void nothing_response(void);
+
+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 bootuart0=0,bootuart1=0;
+
+
+void (*app_start)(void) = 0x0000;
+
+int main(void)
+{
+ uint8_t ch,ch2;
+ uint16_t w;
+
+ //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) {
+
+ /* 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
+ UCSRC = (1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0); // config USART; 8N1
+
+ //UBRRL = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
+ //UBRRH = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
+ //UCSRA = 0x00;
+ //UCSRC = 0x86;
+ //UCSRB = _BV(TXEN)|_BV(RXEN);
+
+
+ /* this was giving uisp problems, so I removed it; without it, the boot
+ works on with uisp and avrdude on the mac (at least). */
+ //putch('\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);
+ //}
+
+ /* 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))){
+ /* 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();
+ // FIXME: modified only here by DojoCorp, Mumbai, India, 20050626
+ //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,
+ // we should start the application
+ // but uisp has problems with this,
+ // therefore we just change the times
+ // and give the programmer 1 sec to react
+ }
+
+ /* 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++) {
+ 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. */
+ else if(ch=='t') {
+ length.byte[1] = getch();
+ length.byte[0] = getch();
+ 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
+ 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);
+ }
+ }
+
+ /* Read oscillator calibration byte */
+ else if(ch=='v') {
+ byte_response(0x00);
+ }
+// } else {
+// time_count++;
+// if (time_count>=MAX_TIME_COUNT) {
+// app_start();
+// }
+// }
+ } /* end of forever loop */
+}
+
+void putch(char ch)
+{
+ /* m8 */
+ while (!(inb(UCSRA) & _BV(UDRE)));
+ outb(UDR,ch);
+}
+
+char getch(void)
+{
+ /* m8 */
+ uint32_t count = 0;
+ while(!(inb(UCSRA) & _BV(RXC))) {
+ /* HACKME:: here is a good place to count times*/
+ count++;
+ if (count > MAX_TIME_COUNT)
+ app_start();
+ }
+ return (inb(UDR));
+}
+
+void getNch(uint8_t count)
+{
+ uint8_t i;
+ for(i=0;i<count;i++) {
+ /* m8 */
+ //while(!(inb(UCSRA) & _BV(RXC)));
+ //inb(UDR);
+ getch(); // need to handle time out
+ }
+}
+
+void byte_response(uint8_t val)
+{
+ if (getch() == ' ') {
+ putch(0x14);
+ putch(val);
+ putch(0x10);
+ }
+}
+
+void nothing_response(void)
+{
+ if (getch() == ' ') {
+ putch(0x14);
+ putch(0x10);
+ }
+}
+
+/* end of file ATmegaBOOT.c */
+
+
+
diff --git a/bootloaders/atmega8/ATmegaBOOT.hex b/bootloaders/atmega8/ATmegaBOOT.hex
new file mode 100644
index 0000000..6190d48
--- /dev/null
+++ b/bootloaders/atmega8/ATmegaBOOT.hex
@@ -0,0 +1,66 @@
+:101C000012C02BC02AC029C028C027C026C025C0AA
+:101C100024C023C022C021C020C01FC01EC01DC0C0
+:101C20001CC01BC01AC011241FBECFE5D4E0DEBF0C
+:101C3000CDBF10E0A0E6B0E0E8EEFFE102C0059005
+:101C40000D92A236B107D9F711E0A2E6B0E001C0CB
+:101C50001D92AA36B107E1F74FC0D2CFEF92FF92A3
+:101C60000F931F93EE24FF24870113C00894E11CF7
+:101C7000F11C011D111D81E0E81682E1F8068AE7DA
+:101C8000080780E0180728F0E0916200F0916300F7
+:101C900009955F9BEBCF8CB1992787FD90951F919C
+:101CA0000F91FF90EF9008955D9BFECF8CB9089542
+:101CB000D5DF803221F484E1F7DF80E1F5DF08959C
+:101CC0001F93182FCBDF803231F484E1EDDF812FB9
+:101CD000EBDF80E1E9DF1F9108951F93CF93DF933E
+:101CE000182FC0E0D0E002C0B9DF2196C117E0F3A1
+:101CF000DF91CF911F910895CFE5D4E0DEBFCDBF36
+:101D0000000010BC83E389B988E18AB986E880BD08
+:101D1000BD9A1092680130E2E0E0F0E02FE088B375
+:101D2000832788BBCF010197F1F7215027FFF7CF19
+:101D300020E12093680192DF803381F1813399F4AF
+:101D40008DDF8032C1F784E1AFDF81E4ADDF86E56E
+:101D5000ABDF82E5A9DF80E2A7DF89E4A5DF83E5C9
+:101D6000A3DF80E5C7C0803429F478DF8638B0F07F
+:101D700075DF14C0813471F471DF803811F482E0B2
+:101D80001DC1813811F481E019C1823809F015C1F3
+:101D900082E114C1823421F484E19FDF89DFCBCF5B
+:101DA000853411F485E0F9CF8035C1F38135B1F385
+:101DB0008235A1F3853539F451DF809364004EDF1D
+:101DC00080936500EBCF863519F484E086DFF5C09B
+:101DD000843609F093C042DF809367013FDF809330
+:101DE0006601809169018E7F8093690137DF8534B8
+:101DF00029F480916901816080936901C0E0D0E09D
+:101E000006E610E005C02ADFF80181938F012196D4
+:101E10008091660190916701C817D907A0F31EDF72
+:101E2000803209F088CF8091690180FF1FC020E0D7
+:101E300030E0E6E6F0E012C0A0916400B0916500E9
+:101E40008191082EC5D08091640090916500019623
+:101E500090936500809364002F5F3F4F80916601EF
+:101E6000909167012817390738F343C0F894E19936
+:101E7000FECF1127E0916400F0916500EE0FFF1F87
+:101E8000C6E6D0E0809166019091670180FF01C0B5
+:101E90000196103051F422D003E000935700E895EA
+:101EA0001DD001E100935700E8950990199016D0D4
+:101EB00001E000935700E8951395103258F0112770
+:101EC0000DD005E000935700E89508D001E100939C
+:101ED0005700E8953296029739F0DBCF0091570012
+:101EE00001700130D9F30895103011F00296E7CF58
+:101EF000112484E1D9DE80E1D7DE1DCF843709F0DB
+:101F00004BC0ACDE80936701A9DE80936601A6DE3C
+:101F100090916901853421F49160909369010DC01D
+:101F20009E7F909369018091640090916500880F75
+:101F3000991F909365008093640090DE803209F0D1
+:101F4000FACE84E1B1DEC0E0D0E01EC0809169012C
+:101F500080FF07C0A0916400B091650031D0802D52
+:101F600008C081FD07C0E0916400F0916500E49134
+:101F70008E2F9ADE80916400909165000196909377
+:101F800065008093640021968091660190916701BD
+:101F9000C817D907D8F2AFCF853761F45FDE80323A
+:101FA00009F0C9CE84E180DE8EE17EDE83E97CDE4D
+:101FB00087E0A0CF863709F0BECE80E081DEBBCEC1
+:101FC000E199FECFBFBBAEBBE09A11960DB208956A
+:101FD000E199FECFBFBBAEBB0DBA11960FB6F89418
+:081FE000E29AE19A0FBE089598
+:021FE800800077
+:0400000300001C00DD
+:00000001FF
diff --git a/bootloaders/atmega8/Makefile b/bootloaders/atmega8/Makefile
new file mode 100644
index 0000000..8c0edd3
--- /dev/null
+++ b/bootloaders/atmega8/Makefile
@@ -0,0 +1,88 @@
+# Makefile for ATmegaBOOT
+# E.Lins, 2004-10-14
+
+# program name should not be changed...
+PROGRAM = ATmegaBOOT
+
+PRODUCT=atmega8
+
+# enter the parameters for the UISP isp tool
+ISPPARAMS = -dprog=stk500 -dserial=$(SERIAL) -dspeed=115200
+
+
+#DIRAVR = /usr/local/avr
+DIRAVRBIN = $(DIRAVR)/bin
+DIRAVRUTILS = $(DIRAVR)/utils/bin
+DIRINC = $(DIRAVR)/include
+DIRLIB = $(DIRAVR)/avr/lib
+
+
+MCU_TARGET = atmega8
+LDSECTION = --section-start=.text=0x1c00
+FUSE_L = 0xdf
+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
+
+
+OBJ = $(PROGRAM).o
+OPTIMIZE = -Os
+
+DEFS = -DF_CPU=16000000 -DBAUD_RATE=19200
+LIBS =
+
+CC = $(DIRAVRBIN)/avr-gcc
+
+
+# Override is only needed by avr-lib build system.
+
+override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -D$(PRODUCT) $(DEFS) -I$(DIRINC)
+override LDFLAGS = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
+
+OBJCOPY = $(DIRAVRBIN)/avr-objcopy
+OBJDUMP = $(DIRAVRBIN)/avr-objdump
+SIZE = $(DIRAVRBIN)/avr-size
+
+all: $(PROGRAM).elf lst text asm size
+
+isp: $(PROGRAM).hex
+ $(ISPFUSES)
+ $(ISPFLASH)
+
+$(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
+
+hex: $(PROGRAM).hex
+bin: $(PROGRAM).bin
+srec: $(PROGRAM).srec
+
+%.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 $< $@
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