source: rtems/testsuites/libtests/i2c01/i2c01.doc @ 98c6d50

5
Last change on this file since 98c6d50 was 41c5f1b7, checked in by Sebastian Huber <sebastian.huber@…>, on 11/07/14 at 12:47:39

Add I2C driver framework

This I2C driver framework has some major differences compared to libi2c.

  • It is compatible to the Linux I2C user-space API.
  • It uses generic IMFS nodes and thus reduces the levels of indirection.
  • The drivers don't have to mess around with minor numbers to get their state information.
  • No arbitrary bus controller model is assumed. The main task of an I2C bus controller driver is to process I2C messages. How this is done is private to the driver.
  • Scatter/gather operations are supported (I2C_M_NOSTART).
  • Property mode set to 100644
File size: 175 bytes

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