bugAVR Downloader/UploaDEr - Bugs: bug #40086, FT245R - correct reset code


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bug #40086: FT245R - correct reset code

Submitted by:  Daniel Rozsnyo <rozsnyo>
Submitted on:  Sun 22 Sep 2013 07:38:21 PM UTC  
Votes:  100  
Category: NoneSeverity: 3 - Normal
Priority: 5 - NormalItem Group: None
Status: NonePrivacy: Public
Assigned to: NoneOriginator Name: Daniel Rozsnyo
Open/Closed: Open

Sun 22 Sep 2013 07:38:21 PM UTC, original submission:


avrdude -c arduino-ft232r -p atmega88p -e

avrdude: AVR device initialized and ready to accept instructions
avrdude: Device signature = 0x1e930f
avrdude: erasing chip
avrdude: Device is not responding to program enable. Check connection.

FIXES in patch:

- main issue: after some instruction (presumably chip erase) the SCK is H, so in that case, the consequent enter programming mode was of no success

- the timing does not reflect the datasheet of the cpu (20ms!)


Daniel Rozsnyo <rozsnyo>


Attached Files


Depends on the following items: None found

Items that depend on this one: None found


Carbon-Copy List
  • -unavailable- added by dacb (Voted in favor of this item)
  • -unavailable- added by rozsnyo (Submitted the item)

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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 08 Apr 2014 12:56:59 AM UTCdacbCarbon-Copy-=>Added dacb
    Sun 22 Sep 2013 07:38:21 PM UTCrozsnyoAttached File-=>Added avrdude-ft245r-reset.patch, #29196

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