>>> Huan Chul, Lee wrote:

HCL> According to "Interfacing the Standard Parallel
HCL> Port(www.senet.com.au/~cpeacock)"
HCL> control port Bit 3 (1000)is Select printer and Bit 1 (0010) is auto
HCL> Linefeed.
HCL> But according to Embedded Linux by Craig Hoolabaugh page 169,
[...]

HCL> why the book explains that 0x8 enables the output latch and 0x2 enables the
HCL> input buffer ?

Check what port mode is described in each case. SPP, EPP, ECP and IEEE 1284
has too many differences.


-netch-