On Fri, Apr 27, 2007 at 10:33:53PM +0200, Luc Verhaegen wrote: > On Fri, Apr 27, 2007 at 04:44:10PM +0200, Mondrian Nuessle wrote: > > Actually you do not need to set the index reg twice. I just used the > > code pattern from the Agami Aruma board, which does the same thing... > > In that case, we should introduce functions like: > > void w83xxx_ext_enter(void); > void w83xxx_ext_leave(void); > > /* Enter extended functions before using these! */ > unsigned char w83xxx_ext_read(unsigned char index); > void w83xxx_ext_write(unsigned char index, unsigned char data); > void w83xxx_ext_mask(unsigned char index, unsigned char data, > unsigned char mask);
Hm, not sure. Looks a bit like overkill in this case. Uwe. -- http://www.hermann-uwe.de | http://www.holsham-traders.de http://www.crazy-hacks.org | http://www.unmaintained-free-software.org
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