From owner-freebsd-arm@FreeBSD.ORG Sun May 12 20:02:10 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 824DF576 for ; Sun, 12 May 2013 20:02:10 +0000 (UTC) (envelope-from hiren.panchasara@gmail.com) Received: from mail-ea0-x230.google.com (mail-ea0-x230.google.com [IPv6:2a00:1450:4013:c01::230]) by mx1.freebsd.org (Postfix) with ESMTP id 18D0EC23 for ; Sun, 12 May 2013 20:02:09 +0000 (UTC) Received: by mail-ea0-f176.google.com with SMTP id h14so3297957eak.21 for ; Sun, 12 May 2013 13:02:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=N+tU/LTqoIInekQRqr/NTqoiJibtmjWfvzVwLKzqmH0=; b=aQ9pbjw+YxA1p3nRMEBJyCI4KXHuwk7xhHDinkg2F93DSkmTYm+ImOimfQghYQud42 0KZ0WQyUTkEXy36BdHUrdlUzggjcnotShF9rGohm9TOVGsWCpg/QhKueB2s9rpxCMfMj uNMxxnTjKub9YeWu+aHMjESY3LTl8wB6NANtwabUdmQtYTShsr3rFD6xxZGutmohxntJ TeRPs8UbLnKf/aKjveycUnJ9VZgtnbc1k3d3Lg8r3Z4Vfmi2pKa6idAvT3TdpDnWJqh+ uC7dveRro+hAfveoq3+og9QGTmvBmHkfgOKSnsw7UXpvMH9JfpDdltRF/UjLw2LIIcE6 Oslg== MIME-Version: 1.0 X-Received: by 10.14.208.132 with SMTP id q4mr70242822eeo.35.1368388929272; Sun, 12 May 2013 13:02:09 -0700 (PDT) Received: by 10.14.130.66 with HTTP; Sun, 12 May 2013 13:02:09 -0700 (PDT) In-Reply-To: References: <20130510024232.GA10543@thinkbsd.divinix.org> Date: Sun, 12 May 2013 13:02:09 -0700 Message-ID: Subject: Re: Connecting to Beablebone From: hiren panchasara To: Tim Kientzle Content-Type: text/plain; charset=UTF-8 Cc: freebsd-arm X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 May 2013 20:02:10 -0000 On Sun, May 12, 2013 at 12:54 PM, hiren panchasara wrote: > On Sat, May 11, 2013 at 3:44 PM, Tim Kientzle wrote: >> >> On May 11, 2013, at 1:30 PM, hiren panchasara wrote: >> >>> On Sat, May 11, 2013 at 9:11 AM, Tim Kientzle wrote: >>>> >>>> On May 11, 2013, at 12:59 AM, hiren panchasara wrote: >>>> >>>>> I found one of these: >>>>> http://www.amazon.com/gp/product/B006JKNWLE/ref=oh_details_o06_s00_i00?ie=UTF8&psc=1 >>>>> >>>>> And I've connected it to laptop as shown in: >>>>> http://www.strugglingcoder.info/pics/bb1.jpg >>>>> and on beaglebone as shown in: http://www.strugglingcoder.info/pics/bb2.jpg >> >> There's no DNS entry for struggling.dyndns-home.com >> >>>>> As per the schematic info I derived: >>>>> Pin 1: GND >>>>> Pin 4: RX >>>>> Pin 5: TX >>>>> >>>>> I can still not see anything after connecting to "cu -l cuaU0". >>>> >>>> You probably need to set the speed: >>>> >>>> cu -s 115200 -l cuaU0 >>> >>> Doesn't seem to help. I've been following instructions at >>> https://wiki.freebsd.org/FreeBSD/arm/BeagleBoneBlack >> >> >> I have noticed with the Adafruit cable that the serial connection >> sometimes just stops when I reboot or cycle the power. >> >> The following seems to reliably restart the serial port: >> * Leave the serial cable connected. >> * Remove power from the BBB >> * Press and hold the boot switch >> * Plug power back in while holding the boot switch. >> * Count to three and release the boot switch >> >> Finally, of course, are you sure that your cable is >> supported by your laptop? USB-to-serial adapters >> seem to be surprisingly variable. > > Huh, usb-to-serial cable was acting funny. It seems to be doing its thing now. > > BTW, If I hole boot switch and plug in power, I only see "CCCC...." on > the console. If I plug power without that, I am getting things. (which > seems to be stuck on uboot but thats another story). Interesting. It booted just fine with holding boot switch and plugging in power this time around. "Count to three" trick worked :D cheers, Hiren > > Building new image right now and see how it goes. > > Thanks a ton to all for your help. > > cheers, > Hiren >> >> Tim >> >> >>