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Hi,
Lately, I have connected serial radio link to the arduino uno. This radio serial is working 57600 and is working fine for remote control of the sketch. Now, I would like to make next steeps and enable send of the skech by radio link. I googled a a lite bit  and find out that uno bootloader is working 115200 so the decrease the '-BAUD_RATE of the bootloader should be helped. Also, I read that the best places of the speed changes is Makefile.
So I set in Makefile:


Quote
atmega328_pro8: TARGET = atmega328_pro_8MHz
atmega328_pro8: MCU_TARGET = atmega328p
atmega328_pro8: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=57600'
atmega328_pro8: AVR_FREQ = 8000000L
atmega328_pro8: LDSECTION  = --section-start=.text=0x7e00
atmega328_pro8: $(PROGRAM)_atmega328_pro_8MHz.hex
atmega328_pro8: $(PROGRAM)_atmega328_pro_8MHz.lst

atmega328_pro8_isp: atmega328_pro8
atmega328_pro8_isp: TARGET = atmega328_pro_8MHz
atmega328_pro8_isp: MCU_TARGET = atmega328p
atmega328_pro8_isp: HFUSE = DE # 512 byte boot
atmega328_pro8_isp: LFUSE = FF # Low power xtal (16MHz) 16KCK/14CK+65ms
atmega328_pro8_isp: EFUSE = 05 # 2.7V brownout
atmega328_pro8_isp: isp


Set in board.txt:
Quote
uno.name=Arduino Uno
uno.upload.protocol=stk500
uno.upload.maximum_size=32256
uno.upload.speed=57600
uno.bootloader.low_fuses=0xff
uno.bootloader.high_fuses=0xde
uno.bootloader.extended_fuses=0x05
uno.bootloader.path=optiboot
uno.bootloader.file=optiboot_atmega328.hex
uno.bootloader.unlock_bits=0x3F
uno.bootloader.lock_bits=0x0F
uno.build.mcu=atmega328p
uno.build.f_cpu=16000000L
uno.build.core=arduino

and made omake in the optiboot directory
Quote
F:\2_Darek\robot\arduino-0022\hardware\arduino\bootloaders\optiboot>..\..\..\tools\avr\utils\bin\make OS=windows ENV=ard
uino atmega328
../../../tools/avr/bin/avr-gcc -g -Wall -Os -fno-inline-small-functions -fno-split-wide-types -mshort-calls -mmcu=atmega
328p -DF_CPU=16000000L  '-DLED_START_FLASHES=3' '-DBAUD_RATE=57600'   -c -o optiboot.o optiboot.c
../../../tools/avr/bin/avr-gcc -g -Wall -Os -fno-inline-small-functions -fno-split-wide-types -mshort-calls -mmcu=atmega
328p -DF_CPU=16000000L  '-DLED_START_FLASHES=3' '-DBAUD_RATE=57600' -Wl,--section-start=.text=0x7e00 -Wl,--section-start
=.version=0x7ffe -Wl,--relax -Wl,--gc-sections -nostartfiles -nostdlib -o optiboot_atmega328_2.elf optiboot.o
../../../tools/avr/bin/avr-size optiboot_atmega328_2.elf
  text    data     bss     dec     hex filename
   500       0       0     500     1f4 optiboot_atmega328_2.elf
../../../tools/avr/bin/avr-objcopy -j .text -j .data -j .version --set-section-flags .version=alloc,load -O ihex optiboo
t_atmega328_2.elf optiboot_atmega328_2.hex
..\..\..\tools\avr\bin\avr-objdump -h -S optiboot_atmega328_2.elf > optiboot_atmega328_2.lst
rm optiboot.o optiboot_atmega328_2.elf


Quote
after that I prepared arduino ISP related to the  article. This working fine, and I haven't to added any reset resistor.

All I checked by recopiling bootloader for the same parameters and is working.

But when I decrease speed on the Makefile to the  '-DBAUD_RATE=57600'  and recompile, I can't send any skech to the arduino. I received:


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Binary sketch size: 1018 bytes (of a 32256 byte maximum)
F:\2_Darek\robot\arduino-0022\hardware/tools/avr/bin/avrdude -CF:\2_Darek\robot\arduino-0022\hardware/tools/avr/etc/avrdude.conf -v -v -v -v -patmega328p -cstk500v1 -P\\.\COM7 -b57600 -D -Uflash:w:C:\DOCUME~1\Jula\USTAWI~1\Temp\build7637095556676527949.tmp\Blink.cpp.hex:i

avrdude: Version 5.4-arduino, compiled on Oct 11 2007 at 19:12:32
        Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/  Poleć znajomym

        System wide configuration file is "F:\2_Darek\robot\arduino-0022\hardware/tools/avr/etc/avrdude.conf"

        Using Port            : \\.\COM7
        Using Programmer      : stk500v1
        Overriding Baud Rate  : 57600
avrdude: ser_open(): setting dtr
avrdude: Send: 0 [30]   [20]
avrdude: Send: 0 [30]   [20]
avrdude: Send: 0 [30]   [20]
avrdude: Recv:
avrdude: Recv:
        AVR Part              : ATMEGA328P
        Chip Erase delay      : 9000 us
        PAGEL                 : PD7
        BS2                   : PC2
        RESET disposition     : dedicated
        RETRY pulse           : SCK
        serial program mode   : yes
        parallel program mode : yes
        Timeout               : 200
        StabDelay             : 100
        CmdexeDelay           : 25
        SyncLoops             : 32
        ByteDelay             : 0
        PollIndex             : 3
        PollValue             : 0x53
        Memory Detail         :

                                 Block Poll               Page                       Polled
          Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
          ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
          eeprom        65     5     4    0 no       1024    4      0  3600  3600 0xff 0xff
                                 Block Poll               Page                       Polled
          Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
          ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
          flash         65     6   128    0 yes     32768  128    256  4500  4500 0xff 0xff
                                 Block Poll               Page                       Polled
          Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
          ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
          lfuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
                                 Block Poll               Page                       Polled
          Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
          ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
          hfuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
                                 Block Poll               Page                       Polled
          Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
          ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
          efuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
                                 Block Poll               Page                       Polled
          Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
          ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
          lock           0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
                                 Block Poll               Page                       Polled
          Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
          ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
          calibration    0     0     0    0 no          1    0      0     0     0 0x00 0x00
                                 Block Poll               Page                       Polled
          Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
          ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
          signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00

        Programmer Type : STK500
        Description     : Atmel STK500 Version 1.x firmware
avrdude: Send: A [41] . [80]   [20]
avrdude: Recv:
avrdude: Recv:
avrdude: Recv:
avrdude: Send: A [41] . [81]   [20]
avrdude: Recv:
avrdude: Recv:
avrdude: Recv:
avrdude: Send: A [41] . [82]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
avrdude: Send: A [41] . [98]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
        Hardware Version: 3
        Firmware Version: 4.4368076
avrdude: Send: A [41] . [84]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
avrdude: Send: A [41] . [85]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
avrdude: Send: A [41] . [86]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
avrdude: Send: A [41] . [87]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
avrdude: Send: A [41] . [89]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
        Vtarget         : 200922638.8 V
        Varef           : 229372.8 V
        Oscillator      : 1.608 Hz
        SCK period      : 0.1 us

avrdude: Send: A [41] . [81]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
avrdude: Send: A [41] . [82]   [20]
avrdude: Recv:

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x41
avrdude: Send: B [42] . [86] . [00] . [00] . [01] . [01] . [01] . [01] . [03] . [ff] . [ff] . [ff] . [ff] . [00] . [80] . [04] . [00] . [00] . [00] . [80] . [00]   [20]
avrdude: Recv:
avrdude: stk500_initialize(): (a) protocol error, expect=0x14, resp=0x42
avrdude: initialization failed, rc=-1
        Double check connections and try again, or use -F to override
        this check.

avrdude: Send: Q [51]   [20]
avrdude: Recv:
avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

avrdude done.  Thank you.



Where the worrying annouced is:
Vtarget         : 200922638.8 V
        Varef           : 229372.8 V
        Oscillator      : 1.608 Hz
        SCK period      : 0.1 us


Whats wrong I do it?

I used IDE arduino-0022 and optiboot 4.4.
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