Is there any one who can tell me where the bootloader file is stored in hack
rf if it’s a fresh hack rf with no firmware loaded
Like to know which which Chip in the Schematics
73s
Tony
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From: hackrf-dev-requ...@greatscottgadgets.com
Sent: Wednesday, February 18, 2015 12:01 PM
To: hackrf-dev@greatscottgadgets.com
Subject: HackRF-dev Digest, Vol 27, Issue 9
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Today's Topics:
1. External Clock (James Brown)
2. Re: bricked hackrf (Robert Feldner)
3. Re: External Clock (Michael Ossmann)
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Message: 1
Date: Tue, 17 Feb 2015 08:09:40 -0800
From: "James Brown" <j...@seti.net>
To: <hackrf-dev@greatscottgadgets.com>
Subject: [Hackrf-dev] External Clock
Message-ID: <0F35FB1056214C3D97AC57CA942310BA@Zeke>
Content-Type: text/plain; charset="iso-8859-1"
I would like to lock my HackRf One to a GPS disciplined 10 MHz clock. Its
output is a +/- 500 mV signal.
Must this be conditioned to drive my HackRf?
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Message: 2
Date: Tue, 17 Feb 2015 20:21:40 +0100
From: Robert Feldner <robert.feld...@gmail.com>
To: Dominic Spill <domini...@gmail.com>
Cc: hackrf-dev <hackrf-dev@greatscottgadgets.com>
Subject: Re: [Hackrf-dev] bricked hackrf
Message-ID:
<cafu+dcrs3+anozbkmn0n8ajoyjha9y_fzmbc83fzpxdeuaa...@mail.gmail.com>
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hi dominic!
thanks for helping -)
it does not show up in lsusb, neither with dfu pressed or without:
Bus 002 Device 005: ID 1690:0741 Askey Computer Corp. [hex]
Bus 002 Device 004: ID 1fea:0022
Bus 002 Device 003: ID 08ff:2550 AuthenTec, Inc. AES2550 Fingerprint Sensor
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 04f3:01a4 Elan Microelectronics Corp. Wireless
Keyboard
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
and with dmesg i cant see any difference if i plug it in or out :-(
any ideas?
2015-02-15 23:21 GMT+01:00 Dominic Spill <domini...@gmail.com>:
Hi Robert,
On 15 February 2015 at 18:52, Robert Feldner <robert.feld...@gmail.com>
wrote:
>
> after finishing the update and rebooting the hackrf it suddenly went
dead -
> that means no leds, just a barely heareble buzzing from somewhere in the
> near of the lpc4320!
>
> i tried with different cables, different computers, pressing dfu-button
when
> powering up, pressing boot and dfu and releasing dfu first -
> no success!
>
> do you have any idea what i could do now?
When you connect the device while pressing the DFU button, does it
appear to the host at all? Does it show up in lsusb?
If it enumerates to the host then you can use the recovery process
here:
https://github.com/mossmann/hackrf/wiki/Updating-Firmware#recovering-the-spi-flash-firmware
Thanks,
Dominic
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Message: 3
Date: Tue, 17 Feb 2015 15:32:28 -0700
From: Michael Ossmann <m...@ossmann.com>
To: James Brown <j...@seti.net>
Cc: hackrf-dev@greatscottgadgets.com
Subject: Re: [Hackrf-dev] External Clock
Message-ID: <20150217223228.ga3...@ossmann.com>
Content-Type: text/plain; charset=us-ascii
On Tue, Feb 17, 2015 at 08:09:40AM -0800, James Brown wrote:
I would like to lock my HackRf One to a GPS disciplined 10 MHz clock.
Its output is a +/- 500 mV signal.
Must this be conditioned to drive my HackRf?
Yes, you'll need to convert it to be 0 to 3 V. See:
https://github.com/mossmann/hackrf/wiki/HackRF-One#external-clock-interface-clkin-and-clkout
Mike
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