[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[avrdude-dev] [bug #51497] avrdude not writing high byte using linuxgpio
From: |
Mike |
Subject: |
[avrdude-dev] [bug #51497] avrdude not writing high byte using linuxgpio when data byte count is less than 0x10 |
Date: |
Tue, 18 Jul 2017 11:07:31 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36 |
URL:
<http://savannah.nongnu.org/bugs/?51497>
Summary: avrdude not writing high byte using linuxgpio when
data byte count is less than 0x10
Project: AVR Downloader/UploaDEr
Submitted by: smbrandonjr
Submitted on: Tue 18 Jul 2017 03:07:29 PM UTC
Category: None
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name: Mike Brandon
Originator Email:
Open/Closed: Open
Release: 6.3
Discussion Lock: Any
Programmer hardware: linuxgpio
Device type: m2560, m12834
_______________________________________________________
Details:
Using linuxgpio and tested on m2560 and m1284 chips:
When a line in the hex file has less than 0x10 data bytes, avrdude does not
write the high byte at the specified memory location as 0xFF. This in turn
results in a verification error.
Attached is a sample hex file that was used to produce this result as well as
logic captures when using avrdude and Atmel Studio 7.
Avrdude results in a verification error while Atmel Studio does not. It
appears that the difference is that Atmel Studio will write 0xFF to the high
byte while avrdude moves on to the next memory location and does not write a
high byte.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Tue 18 Jul 2017 03:07:29 PM UTC Name:
blink-2560-mod-logic-avrdude-gpio-write.PNG Size: 9KiB By: smbrandonjr
<http://savannah.nongnu.org/bugs/download.php?file_id=41230>
-------------------------------------------------------
Date: Tue 18 Jul 2017 03:07:29 PM UTC Name:
blink-2560-mod-logic-avrisp-write.PNG Size: 11KiB By: smbrandonjr
<http://savannah.nongnu.org/bugs/download.php?file_id=41231>
-------------------------------------------------------
Date: Tue 18 Jul 2017 03:07:29 PM UTC Name: blink-2560-mod.hex Size: 4KiB
By: smbrandonjr
<http://savannah.nongnu.org/bugs/download.php?file_id=41232>
-------------------------------------------------------
Date: Tue 18 Jul 2017 03:07:29 PM UTC Name: blink-mod-bitbang-read.PNG Size:
40KiB By: smbrandonjr
<http://savannah.nongnu.org/bugs/download.php?file_id=41233>
_______________________________________________________
Reply to this item at:
<http://savannah.nongnu.org/bugs/?51497>
_______________________________________________
Message sent via/by Savannah
http://savannah.nongnu.org/
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [avrdude-dev] [bug #51497] avrdude not writing high byte using linuxgpio when data byte count is less than 0x10,
Mike <=