User Routines

Naming convention:
User routines are named as ddu_xxx .

• ddu_init
• ddu_attach
• ddu_attached
• ddu_start, ddu_stop
• ddu_close
• ddu_set_brc
• ddu_set_dd_wait
• ddu_get_free_buffers
• ddu_set_protection
• ddu_fifo_exist
• ddu_req_fev
• ddu_creq_fev
• ddu_put_fev
• ddu_ins_fev
• ddu_get_fev
• ddu_brc_fev
• ddu_set_brccmd