Hi, i'm about to write an i2c driver for pca9564 400 khz host for linux rtai under GPL. Anybody interested in participating ?
Basic design idea is providing 4 fifos : 2 for Master, 2 for slave mode. An interrupt driven state machine is controled by state of the pca9564. A master thread enables master transactions depeding on the state machine.
I build this driver for my diploma thesis and no commercial interest is involved.
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