Re: timeouts on USB ISP programmer
- Reply: Axel Rau : "Re: timeouts on USB ISP programmer"
- Reply: Tomek CEDRO : "Re: timeouts on USB ISP programmer"
- In reply to: Tomek CEDRO : "Re: timeouts on USB ISP programmer"
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Sun, 10 Apr 2022 10:37:33 UTC
> Am 09.04.2022 um 01:39 schrieb Tomek CEDRO <tomek@cedro.info>: > > > Long story short: > * Put both dip-switches to OFF if you use external board (no VCC > connection required). They may stay ON if you program "bare" AVR (you > need to connect VCC, SW1=ON, SW2 OFF=3.3V ON=5V). My switches are always on; my MCU is in the ZIFF socket. (-: > * Try `avrdude -c stk500v2 -p 85 -vvv -t` and see of that connects to > Programmer. That’s what I did. > * If programmer is connected but AVR communication problems you may > slow down the STK500v2 bit clock with `-B` parameter or ISP clock with > `-i` according to [4] (i.e. `-B 250` will result in 4kHz bit clock). > > Good luck and let us know if that works :-) root@home2l:/ # avrdude -c stk500v2 -p t85 -P /dev/cuau1 -t -vvv -B 250 -i 90 . . . avrdude: Version 6.4 Copyright (c) Brian Dean, http://www.bdmicro.com/ Copyright (c) Joerg Wunsch System wide configuration file is "/usr/local/etc/avrdude.conf" User configuration file is "/root/.avrduderc" User configuration file does not exist or is not a regular file, skipping Using Port : /dev/cuau1 Using Programmer : stk500v2 Setting bit clk period : 250.0 Setting isp clock delay : 90 avrdude: ser_recv(): programmer is not responding avrdude: stk500v2_ReceiveMessage(): timeout avrdude: ser_recv(): programmer is not responding avrdude: stk500v2_ReceiveMessage(): timeout avrdude: ser_recv(): programmer is not responding avrdude: stk500v2_ReceiveMessage(): timeout I think, the DIAMEX is defective, I try to get another one. Perhaps the drivers are gone. How can I verify this? --- PGP-Key: CDE74120 ☀ computing @ chaos claudius