CAN Device Driver Internals | ||
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pointer to the FIFO structure
pointer to location to store pointer to the oldest slot from the FIFO.
The negative value indicates, that queue is empty. The positive or zero value represents command stored into slot by the call to the function canque_fifo_get_inslot. The successfully acquired FIFO output slot has to be released by the call canque_fifo_free_outslot or canque_fifo_again_outslot.
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canque_fifo_abort_inslot | Up | canque_fifo_free_outslot |