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/* -*- c++ -*- */
/*
* Copyright 2008 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_CONTROL_H
#define INCLUDED_CONTROL_H
#include <omnithread.h>
#include <usrp2_eth_packet.h>
namespace usrp2 {
/*!
* OP_CONFIG_RX_V2 command packet
*/
struct op_config_rx_v2_cmd
{
u2_eth_packet_t h;
op_config_rx_v2_t op;
op_generic_t eop;
};
struct op_start_rx_streaming_cmd
{
u2_eth_packet_t h;
op_start_rx_streaming_t op;
op_generic_t eop;
};
struct op_stop_rx_cmd {
u2_eth_packet_t h;
op_generic_t op;
op_generic_t eop;
};
struct op_config_tx_v2_cmd
{
u2_eth_packet_t h;
op_config_tx_v2_t op;
op_generic_t eop;
};
struct op_burn_mac_addr_cmd
{
u2_eth_packet_t h;
op_burn_mac_addr_t op;
op_generic_t eop;
};
/*!
* Control mechanism to allow API calls to block waiting for reply packets
*/
class pending_reply
{
private:
unsigned int d_rid;
omni_mutex d_mutex;
omni_condition d_cond;
void *d_buffer;
size_t d_len;
public:
/*!
* Construct a pending reply from the reply ID, response packet
* buffer, and buffer length.
*/
pending_reply(unsigned int rid, void *buffer, size_t len);
/*!
* Destructor. Signals creating thread.
*/
~pending_reply();
/*!
* Block, waiting for reply packet.
* Returns: 1 = ok, reply packet in buffer
* 0 = timeout
*/
int wait(double secs);
/*!
* Allows creating thread to resume after copying reply into buffer
*/
void signal();
/*!
* Retrieve pending reply ID
*/
unsigned int rid() const { return d_rid; }
/*!
* Retrieve destination buffer address
*/
void *buffer() const { return d_buffer; }
/*!
* Retrieve destination buffer length
*/
size_t len() const { return d_len; }
};
} // namespace usrp2
#endif /* INCLUDED_CONTROL_H */
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