[Gta04-owner] Using BMP085
christoph.mair at gmail.com
Fri May 25 23:21:20 CEST 2012
The board file is not configured correctly to tell the kernel which
bus the chip is connected to.
Try: echo bmp085 0x77 > /sys/bus/i2c/devices/i2c-2/new_device
I'm not sure if 0x77 was the correct I2C address, but in general this
should make the chip available.
On Fri, May 25, 2012 at 10:39 PM, Neil Jerram <neil at ossau.homelinux.net> wrote:
> Hi all,
> says that the BMP085 exists and works well, but I can't see the files
> under /sys that are supposed to allow reading the current temperature
> and pressure, which according to
> are /sys/bus/i2c/devices/<busnum>-<devaddr>/pressure0_input and
> I discovered that BMP085 is built (in Neil's kernels) as a module and so
> have done "modprobe bmp085". That caused the following BMP085-related
> paths to appear under /sys:
> gta04:~# find /sys -name *bmp*
> But I still can't find *pressure* anywhere. Is there something else I
> need to do to enable the full function of the BMP085?
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> Gta04-owner at goldelico.com
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