[Go to CFHT Home Page] Man Pages
Back to Software Index  BORDER=0Manpage Top Level
    bwtwo(7D) manual page Table of Contents

Name

bwtwo - black and white memory frame buffer

Synopsis

/dev/fbs/bwtwo

Description

The bwtwo interface provides access to monochrome memory frame buffers. It supports the ioctls described in fbio(7I) .

Reading or writing to the frame buffer is not allowed -- you must use the mmap(2) system call to map the board into your address space.

Files

/dev/fbs/bwtwo[0-9]
device files

See Also

mmap(2) , cgfour(7D) , fbio(7I)

Bugs

Use of vertical-retrace interrupts is not supported.

Table of Contents