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Messages - jannis

1
Bus Pirate Support / Re: RS485 and Bus Pirate?
Actually all you need is a RS485-driver-IC like the SN75176 and connect it (R and D) to the bus-piate's UART-pins (RX and TX). You can use the two other pins (!RE and DE) to control data flow but you can connect them to GND if you just want to spy
2
AVRDude / Re: AVRDude Bus Pirate v4 Support
Hi there, what is the current status? I have a BPv4 with firmware v6.1 r1676 and I tried avrdude 5.11.1 with the patch from https://zencoding-blog.googlecode.com/s ... rate.patch

The first time it worked (it tried Binary Mode, failed, fell back to ASCII and succeeded in reading the identification and fuse-bits). Since then, everything failed. I added some debugging-output to AVRdude's buspirate.c (function entry) and here's what I found out:

- ASCII mode:
AVRdude doesn't set a mode. So after power-cycling the BP (HiZ-mode), the PowerOn-conmmand fails (not supported in that mode). Could be fixed in AVRdude but might break compatibility with v3/oder firmware?
Switching to DIO manually before running AVRdude makes PowerOn possible but fails later, setting SPI-mode manually gets me further but fails somehow later. Don't ask me why it worked on first try.

- Binary mode:
Initialisation and PowerOn working, gets stuck later. Output from AVRdude (verbose + function entries marked):
Code: [Select]
kripton@miramis ~/raspberry/bitwizard $ avrdude -c buspirate -p t44 -v -P /dev/ttyACM0 

avrdude: Version 5.11.1, compiled on Jul 10 2012 at 18:06:32
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2009 Joerg Wunsch

         System wide configuration file is "/etc/avrdude.conf"
         User configuration file is "/home/kripton/.avrduderc"
         User configuration file does not exist or is not a regular file, skipping

         Using Port                    : /dev/ttyACM0
         Using Programmer              : buspirate
START: buspirate_open
         AVR Part                      : ATtiny44
         Chip Erase delay              : 4500 us
         PAGEL                         : P00
         BS2                           : P00
         RESET disposition             : possible i/o
         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     6     4    0 no        256    4      0  4000  4500 0xff 0xff
           flash         65     6    32    0 yes      4096   64     64  4500  4500 0xff 0xff
           signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00
           lock           0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           lfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           hfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           efuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           calibration    0     0     0    0 no          1    0      0     0     0 0x00 0x00

         Programmer Type : BusPirate
         Description     : The Bus Pirate

START: buspirate_enable
Attempting to initiate BusPirate binary mode...
START: buspirate_send_bin:
START: buspirate_start_spi_mode_bin
START: buspirate_send_bin:
START: buspirate_recv_bin:
BusPirate binmode version: 1
START: buspirate_send_bin:
START: buspirate_recv_bin:
BusPirate SPI version: 1
START: buspirate_send_bin:
START: buspirate_recv_bin:
avrdude: Paged flash write enabled.
START: buspirate_send_bin:
START: buspirate_recv_bin:
START: buspirate_send_bin:
START: buspirate_recv_bin:
START: buspirate_send_bin:
START: buspirate_recv_bin:
START: buspirate_send_bin:
START: buspirate_recv_bin:
START: buspirate_send_bin:
START: buspirate_recv_bin:
AVR Extended Commands version 0
START: buspirate_initialize
START: buspirate_powerup
START: buspirate_program_enable
START: buspirate_send_bin:
START: buspirate_recv_bin:
START: buspirate_cmd
START: buspirate_send_bin:
START: buspirate_recv_bin:
avrdude: initialization failed, rc=-2
         Double check connections and try again, or use -F to override
         this check.

START: buspirate_powerdown
START: buspirate_send_bin:
START: buspirate_recv_bin:
^C

Any ideas?
4
Bus Pirate Development / Current status of BusPirate v4
(needed to put spaces in the URLs since "Your post looks too spamy for a new user, please remove off-site URLs".... Just wanted to quote sources ....)

Hi there,

I'm interested in purchasing a BusPirate. The information one can get about v4 of the device is a bit old:
dangerousprototypes . com / docs / Bus_Pirate_v4 says it is in "Test production" (as of 2011-09-17)
dangerousprototypes . com / docs / Dangerous_Prototypes_Projects_In_Development says it is "In initial production" (not changed since February)
dangerousprototypes . com / docs / Bus_Pirate_v4 says that "developer hardware is available for $50", but the price at the shop (www . seeedstudio . com / depot / bus-pirate-v4-for-developers-p-740.html ? cPath=174) is at $37.15

So my question is: What is the current status? Can I "safely" buy a v4 or might the hardware change in the future?

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