Version 0.80beta2 (20060527)
This commit is contained in:
parent
dcee58ebd2
commit
31b7584b2f
4
main.c
4
main.c
|
|
@ -1,7 +1,7 @@
|
||||||
/*****************************************************************************
|
/*****************************************************************************
|
||||||
*
|
*
|
||||||
* AVRPROG compatible boot-loader
|
* AVRPROG compatible boot-loader
|
||||||
* Version : 0.80beta (May 2006)
|
* Version : 0.80beta2 (May 2006)
|
||||||
* Compiler : avr-gcc 3.4.6 / avr-libc 1.4.4
|
* Compiler : avr-gcc 3.4.6 / avr-libc 1.4.4
|
||||||
* size : depends on features and startup ( minmal features < 512 words)
|
* size : depends on features and startup ( minmal features < 512 words)
|
||||||
* by : Martin Thomas, Kaiserslautern, Germany
|
* by : Martin Thomas, Kaiserslautern, Germany
|
||||||
|
|
@ -45,7 +45,7 @@
|
||||||
|
|
||||||
// programmers-notepad tabsize 4
|
// programmers-notepad tabsize 4
|
||||||
#define VERSION_HIGH '0'
|
#define VERSION_HIGH '0'
|
||||||
#define VERSION_LOW '7'
|
#define VERSION_LOW '8'
|
||||||
|
|
||||||
/* MCU frequency */
|
/* MCU frequency */
|
||||||
#define F_CPU 7372800
|
#define F_CPU 7372800
|
||||||
|
|
|
||||||
370
readme.txt
370
readme.txt
|
|
@ -1,183 +1,187 @@
|
||||||
|
|
||||||
======================================================
|
======================================================
|
||||||
|
|
||||||
ATMEL AVR UART Bootloader for AVR-GCC/avr-libc
|
ATMEL AVR UART Bootloader for AVR-GCC/avr-libc
|
||||||
based on the AVR Butterfly bootloader code
|
based on the AVR Butterfly bootloader code
|
||||||
|
|
||||||
by Martin Thomas, Kaiserslautern, Germany
|
by Martin Thomas, Kaiserslautern, Germany
|
||||||
mthomas@rhrk.uni-kl.de
|
mthomas@rhrk.uni-kl.de
|
||||||
eversmith@heizung-thomas.de
|
eversmith@heizung-thomas.de
|
||||||
|
|
||||||
http://www.siwawi.arubi.uni-kl.de/avr_projects
|
http://www.siwawi.arubi.uni-kl.de/avr_projects
|
||||||
|
|
||||||
Addtional code and improvements provided by
|
Addtional code and improvements provided by
|
||||||
Uwe Bonnes, Bjoern Riemer and Olaf Rempel.
|
Uwe Bonnes, Bjoern Riemer and Olaf Rempel.
|
||||||
|
|
||||||
|
|
||||||
======================================================
|
======================================================
|
||||||
|
|
||||||
|
|
||||||
Programming-Software (on the "PC-Side"):
|
Programming-Software (on the "PC-Side"):
|
||||||
|
|
||||||
* AVRProg (included in AVRStudio) available at www.atmel.com.
|
* AVRProg (included in AVRStudio) available at www.atmel.com.
|
||||||
MS-Windows only. AVRProg can be used as stand-alone application.
|
MS-Windows only. AVRProg can be used as stand-alone application.
|
||||||
(avrprog.exe)
|
(avrprog.exe)
|
||||||
|
|
||||||
* avrdude available at http://savannah.nongnu.org/projects/avrdude/
|
* avrdude available at http://savannah.nongnu.org/projects/avrdude/
|
||||||
"Multiplattform"
|
"Multiplattform"
|
||||||
|
|
||||||
|
|
||||||
21. May. 2006 - Version 0.8beta
|
27. May 2006 - Version 0.8beta2
|
||||||
|
|
||||||
Version contributed by Olaf Rempel. He has done a lot of modifications.
|
More improvements contributed by Olaf Rempel.
|
||||||
-> "cleaner code", smaller binaries.
|
|
||||||
|
21. May 2006 - Version 0.8beta
|
||||||
09. Feb. 2006 - Version 0.75
|
|
||||||
|
Version contributed by Olaf Rempel. He has done a lot of modifications.
|
||||||
* additional STARTUP_WAIT support contributed by Bjoern Riemer
|
-> "cleaner code", smaller binaries.
|
||||||
|
|
||||||
18. Aug. 2005 - Version 0.74
|
09. Feb. 2006 - Version 0.75
|
||||||
|
|
||||||
* AT90CAN128 support contributed by Uwe Bonnes
|
* additional STARTUP_WAIT support contributed by Bjoern Riemer
|
||||||
* Makefile modifications contributed by Uwe Bonnes
|
|
||||||
|
18. Aug. 2005 - Version 0.74
|
||||||
23. Feb. 2005 - Version 0.7
|
|
||||||
|
* AT90CAN128 support contributed by Uwe Bonnes
|
||||||
* (Version 0.6 has never been available on the web-page)
|
* Makefile modifications contributed by Uwe Bonnes
|
||||||
* ATmega128 support
|
|
||||||
* code cleanup
|
23. Feb. 2005 - Version 0.7
|
||||||
* Tested with ATmega8, ATmega32 and ATmega128
|
|
||||||
|
* (Version 0.6 has never been available on the web-page)
|
||||||
7. Apr. 2004 - Version 0.5
|
* ATmega128 support
|
||||||
|
* code cleanup
|
||||||
* added different startup-methods
|
* Tested with ATmega8, ATmega32 and ATmega128
|
||||||
* compatible with ATmega8 now
|
|
||||||
* included makefile adopted to ATmega8 now
|
7. Apr. 2004 - Version 0.5
|
||||||
(ATmega16 options still available)
|
|
||||||
* fixed jump to application which did not work
|
* added different startup-methods
|
||||||
reliably before
|
* compatible with ATmega8 now
|
||||||
* tested with ATmega8
|
* included makefile adopted to ATmega8 now
|
||||||
* minimal options and startup-code result in
|
(ATmega16 options still available)
|
||||||
bootloader-size < 512 words
|
* fixed jump to application which did not work
|
||||||
|
reliably before
|
||||||
6. Apr. 2004 - Version 0.4
|
* tested with ATmega8
|
||||||
|
* minimal options and startup-code result in
|
||||||
* Buffered read of chars from UART during programming
|
bootloader-size < 512 words
|
||||||
since eeprom-write is too slow for unbuffered
|
|
||||||
operation. So EEPROM-upload does work now.
|
6. Apr. 2004 - Version 0.4
|
||||||
* Added BOOTICE-mode to flash JTAGICE-compatible
|
|
||||||
hardware (ATmega16@7,3Mhz) (if you know about BOOTICE,
|
* Buffered read of chars from UART during programming
|
||||||
you may unterstand why this has been added, if not
|
since eeprom-write is too slow for unbuffered
|
||||||
just keep the option disabled)
|
operation. So EEPROM-upload does work now.
|
||||||
* small changes in (my)boot.h (lock-bit-mask) found
|
* Added BOOTICE-mode to flash JTAGICE-compatible
|
||||||
out during the development of the STK-500-compatible
|
hardware (ATmega16@7,3Mhz) (if you know about BOOTICE,
|
||||||
bootloader. But setting lock-bits still does not
|
you may unterstand why this has been added, if not
|
||||||
work with this bootloader.
|
just keep the option disabled)
|
||||||
* read of the low-fuse byte works (high byte still TODO)
|
* small changes in (my)boot.h (lock-bit-mask) found
|
||||||
* read of the lock-byte works (write still TODO)
|
out during the development of the STK-500-compatible
|
||||||
|
bootloader. But setting lock-bits still does not
|
||||||
27. Mar 2004 - Version 0.3
|
work with this bootloader.
|
||||||
|
* read of the low-fuse byte works (high byte still TODO)
|
||||||
Felt that as much functions from avr-libc's boot.h
|
* read of the lock-byte works (write still TODO)
|
||||||
as possible should be used without modifications.
|
|
||||||
Latest CVS-version of boot.h is included.
|
27. Mar 2004 - Version 0.3
|
||||||
Only the read-routine is still "self-made" based
|
|
||||||
on ATMELs assembler-code.
|
Felt that as much functions from avr-libc's boot.h
|
||||||
EEPROM write on Mega16 does not work (and did not
|
as possible should be used without modifications.
|
||||||
work with V0.2 too). May be caused by my old Mega16
|
Latest CVS-version of boot.h is included.
|
||||||
chip. Needs testing. Flash read/write and EEPROM
|
Only the read-routine is still "self-made" based
|
||||||
read works. Still only tested with ATmega16.
|
on ATMELs assembler-code.
|
||||||
This version may not work with the ATmega169 any
|
EEPROM write on Mega16 does not work (and did not
|
||||||
more.
|
work with V0.2 too). May be caused by my old Mega16
|
||||||
|
chip. Needs testing. Flash read/write and EEPROM
|
||||||
24. Mar 2004 - Version 0.2
|
read works. Still only tested with ATmega16.
|
||||||
|
This version may not work with the ATmega169 any
|
||||||
During the development of a data-logger application
|
more.
|
||||||
with the AVR-Butterfly there was a need to make
|
|
||||||
some changes in the bootloader. The same problem
|
24. Mar 2004 - Version 0.2
|
||||||
again: no IAR compiler. The same way to solve the
|
|
||||||
problem: a port of the code to avr-gcc/avr-libc.
|
During the development of a data-logger application
|
||||||
So this code is based on the ATMEL Butterfly
|
with the AVR-Butterfly there was a need to make
|
||||||
bootloader source code Rev 0.2 for IAR.
|
some changes in the bootloader. The same problem
|
||||||
|
again: no IAR compiler. The same way to solve the
|
||||||
The bootloader-port for the Butterfly which mimics
|
problem: a port of the code to avr-gcc/avr-libc.
|
||||||
the complete functionality of the original
|
So this code is based on the ATMEL Butterfly
|
||||||
BF-bootloader is availabe at:
|
bootloader source code Rev 0.2 for IAR.
|
||||||
www.siwawi.arubi.uni-kl.de/avr_projects
|
|
||||||
|
The bootloader-port for the Butterfly which mimics
|
||||||
Atmel used a separate "lib" written in "pure"
|
the complete functionality of the original
|
||||||
assembly to access the low-level functions
|
BF-bootloader is availabe at:
|
||||||
for flash read/write. Well, so far I
|
www.siwawi.arubi.uni-kl.de/avr_projects
|
||||||
don't know how to use "mixed language sources"
|
|
||||||
with the avr-gcc toolchain, so the low-level
|
Atmel used a separate "lib" written in "pure"
|
||||||
routines have been implemented as inline assembler.
|
assembly to access the low-level functions
|
||||||
The avr-libc boot.h module written by Eric
|
for flash read/write. Well, so far I
|
||||||
Weddington served as a template Three of the four
|
don't know how to use "mixed language sources"
|
||||||
low-level routines found in lowlevel.c come from
|
with the avr-gcc toolchain, so the low-level
|
||||||
boot.h with minimal changes. The read routine has
|
routines have been implemented as inline assembler.
|
||||||
been developed based on the ATMEL assembler code.
|
The avr-libc boot.h module written by Eric
|
||||||
|
Weddington served as a template Three of the four
|
||||||
Ignore the fuse and lock-bit readout. Read and Set is
|
low-level routines found in lowlevel.c come from
|
||||||
not enabled (TODO).
|
boot.h with minimal changes. The read routine has
|
||||||
|
been developed based on the ATMEL assembler code.
|
||||||
|
|
||||||
--------------- Installation -----------------
|
Ignore the fuse and lock-bit readout. Read and Set is
|
||||||
|
not enabled (TODO).
|
||||||
- Change the MCU type in the makefile (so far
|
|
||||||
ATmega16 has been tested, ATmega169, ATmega8
|
|
||||||
and ATmega32 should be o.k. too.
|
--------------- Installation -----------------
|
||||||
|
|
||||||
- Change the boot(loader)-size in Makefile, this
|
- Change the MCU type in the makefile (so far
|
||||||
bootloader is larger than 512 words (1024 bytes),
|
ATmega16 has been tested, ATmega169, ATmega8
|
||||||
so select at least _B1024!
|
and ATmega32 should be o.k. too.
|
||||||
|
|
||||||
- Change the XTAL in Makefile to the clock-frequency
|
- Change the boot(loader)-size in Makefile, this
|
||||||
of your board (keep BAUDRATE at 19200). See
|
bootloader is larger than 512 words (1024 bytes),
|
||||||
the datasheet for frequencies with minimum
|
so select at least _B1024!
|
||||||
error at 19200bps and select Crystal/Oscillator
|
|
||||||
to get minimum errors.
|
- Change the XTAL in Makefile to the clock-frequency
|
||||||
|
of your board (keep BAUDRATE at 19200). See
|
||||||
- Change the start-condition in Makefile. Default
|
the datasheet for frequencies with minimum
|
||||||
is: enter bootloader if Pin A7 is connected to
|
error at 19200bps and select Crystal/Oscillator
|
||||||
GND during reset/startup
|
to get minimum errors.
|
||||||
|
|
||||||
- Please use at least avr-gcc 3.3.1/avr-libc 1.0
|
- Change the start-condition in Makefile. Default
|
||||||
or WINAVR Sept. 2003 or later to compile and link
|
is: enter bootloader if Pin A7 is connected to
|
||||||
the bootloader.
|
GND during reset/startup
|
||||||
|
|
||||||
- upload the hex-File to the AVR (STK500, STK200, SP12
|
- Please use at least avr-gcc 3.3.1/avr-libc 1.0
|
||||||
etc.)
|
or WINAVR Sept. 2003 or later to compile and link
|
||||||
|
the bootloader.
|
||||||
- program the "Boot Flash section size" (BOOTSZ fuses)
|
|
||||||
according to the boot-size selected in main.c
|
- upload the hex-File to the AVR (STK500, STK200, SP12
|
||||||
i.e. BOOTSZ=00 for boot-size 1024 words on ATmega16
|
etc.)
|
||||||
|
|
||||||
- enable the BOOT Reset Vector (BOOTTRST=0)
|
- program the "Boot Flash section size" (BOOTSZ fuses)
|
||||||
|
according to the boot-size selected in main.c
|
||||||
- Set the lock bits to protect the bootloader from
|
i.e. BOOTSZ=00 for boot-size 1024 words on ATmega16
|
||||||
SPM-writes (Boot Loader Protection Mode 2 in STK500-
|
|
||||||
plugin)
|
- enable the BOOT Reset Vector (BOOTTRST=0)
|
||||||
|
|
||||||
- Connect the AVR UART Pins via level-shifter/inverter
|
- Set the lock bits to protect the bootloader from
|
||||||
(i.e. MAX232) to you PCs Com-Port.
|
SPM-writes (Boot Loader Protection Mode 2 in STK500-
|
||||||
|
plugin)
|
||||||
- Reset the AVR while fullfilling the bootloader start-
|
|
||||||
condition. Which means connect PA7 to GND in the default
|
- Connect the AVR UART Pins via level-shifter/inverter
|
||||||
config during reste/power-cycle. Keep the connection
|
(i.e. MAX232) to you PCs Com-Port.
|
||||||
or hold the key down until you see the AVRPROG dialog!
|
|
||||||
|
- Reset the AVR while fullfilling the bootloader start-
|
||||||
- Start AVRPROG (AVRStuido/Tools or stand-alone) -
|
condition. Which means connect PA7 to GND in the default
|
||||||
keep PA7 grounded! (avrdude is supported too, check
|
config during reste/power-cycle. Keep the connection
|
||||||
the avrdude manual for command-line options).
|
or hold the key down until you see the AVRPROG dialog!
|
||||||
|
|
||||||
- AVRPROG will detect the bootloader, you may release
|
- Start AVRPROG (AVRStuido/Tools or stand-alone) -
|
||||||
PA7 now
|
keep PA7 grounded! (avrdude is supported too, check
|
||||||
|
the avrdude manual for command-line options).
|
||||||
- see AVRStuido online-help for more information how
|
|
||||||
to use AVRPROG
|
- AVRPROG will detect the bootloader, you may release
|
||||||
|
PA7 now
|
||||||
- make sure to EXIT from AVRPROG (button) to start
|
|
||||||
your main-application (or toogle power/reset)
|
- see AVRStuido online-help for more information how
|
||||||
|
to use AVRPROG
|
||||||
good luck, feedback welcome.
|
|
||||||
Martin
|
- make sure to EXIT from AVRPROG (button) to start
|
||||||
|
your main-application (or toogle power/reset)
|
||||||
|
|
||||||
|
good luck, feedback welcome.
|
||||||
|
Martin
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue