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31  Products / Arduino Due / Re: SAM-BA operation failed on: September 06, 2013, 11:33:37 am
sorry, what is an OP?
32  Products / Arduino Due / Re: SAM-BA operation failed on: September 06, 2013, 11:19:31 am
i designed my board with the only programming port.
1. failure on uploading a sketch: it always returns "No device found on COM" even with the right adjustment in the schematics: R23 = 1k and Y4 = 16MHz
2. now i'm trying to upload my sketch with an external arduinoDUE using its "programming part". From the external arduinoDUE i connected TX, RX, Erase, Reset lines. The IDE starts to upload the sketch but then it returns "SAM-BA operation failed" before starting the flash verify routine.
 
now i don't know if the sketch has been uploaded or the error stops the uploading. anyone can help me?
33  Products / Arduino Due / Re: SAM-BA operation failed on: September 06, 2013, 08:10:29 am
what do you mean with ''switch to the native port" ?
i build an ArduinoDUE based board and took off the native usb port. i can't connect to it
34  Products / Arduino Due / Re: Due appears as COM6 port but gives error "No device found on COM6" on upload on: September 05, 2013, 04:45:27 am
what if your solution doesn't work for me?
i changed r23 to 1k and uploaded the firmware you attached but the ide still tells me "No device found on COM"
35  Products / Arduino Due / Re: atmega16u2 bootloader not working on: September 03, 2013, 04:07:49 am
this is(attached below) the firmware i read from 3 different Arduino DUEs. can anyone tell me if it is the same on their boards?
36  Products / Arduino Due / Re: Arduino Due in sleep mode on: August 29, 2013, 04:09:34 am
sorry but, bump
37  Products / Arduino Due / Re: ATmega16u2 Code on: August 29, 2013, 03:43:24 am
what hex are you taking? the one located in hardware\arduino\sam\atmega16u2\arduino-due-usbserial.hex?
38  Products / Arduino Due / Re: atmega16u2 bootloader not working on: August 28, 2013, 10:43:01 am
i made into copying the bootloader from the atmega16u2 of the arduino due(or at least i guess i made it)
using an arduino uno as isp i wrote on the CMD the following line:
your_path\arduino-1.5.2\hardware\tools\avr\bin>avrdude.exe -C avrdude.conf -c arduino -P COM9 -b 19200 -p m16u2 -vvv -U flash:r:bootloader.hex:i

this is totally different from the one assumed to be the right one in the IDE folder.
did i get wrong reading the firmware from the arduino due board or the hex file given in the IDE is not the one that should be?

i don't have another arduino due to try. please let me know
39  Products / Arduino Due / atmega16u2 bootloader not working on: August 28, 2013, 04:25:10 am
hi everyone, i uploaded the hex file i found in the path arduino-1.5.2\hardware\arduino\sam\firmwares\atmega16u2\Arduino-DUE-usbserial.hex into my arduino based board on which i put an ATMEGA16u2 but it doesn't work. when i try to upload a sketch the ide stops saying "no device found on com".

thus i tried to upload the on the sam3x of my own board through the atmega16u2 mounted on an arduino due, connecting power supply and serial communication lines: i made it.

could it be that different packages means different bootloader?

is there anyway to copy the firmware flashed in the atmega16u2 of an ArduinoDUE?
40  Products / Arduino Due / Re: Errors in Due board/schematic files on: August 26, 2013, 11:28:05 am
i think this thread should ''official'' and all the differences between reference schematic and real board should be posted here
41  Products / Arduino Due / Re: Programming Bare SAM3X Chip on: August 26, 2013, 10:06:42 am
any update from anyone in this thread? i'm having the same issues. my arduinoDUE based board is still an Unknown Device.
I've bootloaded the atmega16u2 with the firmware found in the arduino 1.5.2 folder using an Arduino UNO as ISP
42  Using Arduino / Microcontrollers / Re: Custom Atmega16u2 Breakout Board "Unknown Device " on: August 26, 2013, 09:37:08 am
found any solution? i'm stucked with an arduino due based board, i've flashed the at16u2 but it's stil an unknown device for my windws7
43  Products / Arduino Due / Re: how to flash atmega16u2 for a arduinoDUE based project on: August 26, 2013, 09:14:28 am
ok Then i've found avrdude.conf in arduino-1.5.2\hardware\tools\avr\etc while the hex file is located in arduino-1.5.2\hardware\arduino\sam\firmwares\atmega16u2

(for windows users) the line to write in the cmd is your_path\avrdude.exe -C avrdude.conf -c arduino -P COMyour_com_port -b 19200 -p  m16u2 -vvv -U flash:w: your_path_to_hex_file:i

but a problem still remains: my arduinoDUE based board is not recognised from my laptop(windows 7) so i can't upload any sketch. it is seen as unknown device with error code 43. i've tried several ways to udpate drivers, but none of them worked.
44  Products / Arduino Due / Re: how to flash atmega16u2 for a arduinoDUE based project on: August 26, 2013, 01:33:59 am
thus the problem remain where do i find the files? can you check if you have them in your IDE folder?

EDIT: i think i've found the files. the 16u2.hex file i have to upload is the one located in the folder arduino-1.5.2\hardware\arduino\sam\firmwares\atmega16u2\ Arduino-DUE-usbserial.hex, right?
45  Products / Arduino Due / Re: how to flash atmega16u2 for a arduinoDUE based project on: August 25, 2013, 02:12:21 pm
ok, so i have to use arduino, but how do i check if the isp-sketch is really working? how do i know when the process is over?
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