From: "Ladislav Klenovič" <lk99336@pobox.sk>
To: linuxppc-embedded@ozlabs.org
Subject: communication with i2c client
Date: Thu, 24 Aug 2006 15:12:54 +0200 [thread overview]
Message-ID: <99de7cba0d63488089aa1add47109fb9@pobox.sk> (raw)
Hi,
I've create an i2c client and my questions is how to access it from use=
rspace=2E This client is sitttng on adapter that I was able to access =
via /dev interface=2E After the client were successfuly loaded and dete=
cted,
ioctl(fd,I2C_SLAVE,=2E=2E=2E) and read/write functions didn't work and =
error messages like "device busy" or "ioctl error" have occured=2E Als=
o my debug messages from i2c client didn't arise when I am accessing=20
device only adapter's=2E
How to (standardly) access a an i2c client?=20
Do I need to create an ioctl interface or exports some helper function =
for access it from user space and also from kernel space? =20
regards,
Ladislav=2E
next reply other threads:[~2006-08-24 21:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-24 13:12 Ladislav Klenovič [this message]
2006-08-25 1:54 ` communication with i2c client Frank
-- strict thread matches above, loose matches on Subject: below --
2006-08-24 13:15 Ladislav Klenovič
2006-08-25 7:14 Yong Wang
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