From: Marcel Holtmann <marcel@holtmann.org>
To: simon@mungewell.org
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: [Patch] bccmd - add ability to read ADC
Date: Sat, 6 Jun 2015 07:49:37 +0200 [thread overview]
Message-ID: <06F67222-BAF1-455D-A4B8-4560FE84EE69@holtmann.org> (raw)
In-Reply-To: <53e48edc3040ae4a82e3beaf06c692e1.squirrel@mungewell.org>
Hi Simon,
> Some BlueCore devices are equipped with an 'Analogue In' pin which is
> internally connected to a MUX and ADC. This patch adds the ability to
> control the MUX and read the ADC.
>
> The ADC is also connected internal to a temp sensor, which can also be
> read via this method.
>
> The (only) MUX values expected to be used are:
> 1 Internal 1V25 reference
> 16 BlueCore01b pin Test_A; BlueCore2-External pin AIO0
> 17 BlueCore01b pin Test_B; BlueCore2-External pin AIO1
> 36 Chip’s internal temperature (change) sensor. BlueCore2-ROM and later only.
>
> The MUX can also select other (undocumented) test points.
>
> Example usage
> --
> # ./bccmd -t HCI -d hci1 adc 17
> ADC value from Mux 0x11 : 0x0054 (valid)
> # ./bccmd -t HCI -d hci1 adc 1
> ADC value from Mux 0x01 : 0x00b2 (valid)
please send a patch created via git format-patch.
Regards
Marcel
next prev parent reply other threads:[~2015-06-06 5:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-27 15:32 [Patch] bccmd - add ability to read ADC simon
2015-06-06 5:49 ` Marcel Holtmann [this message]
2015-06-08 18:04 ` [PATCH] " Simon Wood
2015-06-17 12:48 ` Johan Hedberg
2015-06-17 15:16 ` simon
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