Interface: RadioQueue

A RadioQueue sends packets out over the radio.

Implemented by TupleRouterM.td

Author: Sam Madden (madden@cs.berkeley.edu)

Components providing this interface:: tos.lib.TinyDB.TupleRouterM

Components requiring this interface:: tos.lib.TinyDB.DBBufferC

Commands

TinyDBError enqueue (const QueryResultPtr msg, bool *pending) Copy the specified bytes into the message queue.

Events

bool enqueueDone (void) Event that's signalled when a pending enqueue finishes.

Commands - Details

enqueue

TinyDBError enqueue(const QueryResultPtr msg, bool *pending)

Copy the specified bytes into the message queue. Messages are always data (tuple) messages. Messages of more than DATA_LENGTH - sizeof(DbMsgHdr) bytes will be truncated.

Parameters:	msg - The data payload of the message to enqueue len - The length (in bytes) of the data
Returns:	err_MessageSendFailed if the queue is full

Events - Details

enqueueDone

bool enqueueDone(void)

Event that's signalled when a pending enqueue finishes.

Returns:

true indicates that there are more messages to enqueue, false that there are not