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// ------------------------------------------------------------------------
// midi-cc.cpp: Interface to MIDI continuous controllers
// Copyright (C) 1999,2001-2002,2005,2008 Kai Vehmanen
//
// Attributes:
// eca-style-version: 3
//
// This program is fre 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// ------------------------------------------------------------------------
#include <string>
#include <iostream>
#include <kvu_dbc.h>
#include <kvu_message_item.h>
// #include "eca-midi.h"
#include "midi-client.h"
#include "midi-server.h"
#include "midi-cc.h"
#include "eca-logger.h"
CONTROLLER_SOURCE::parameter_t MIDI_CONTROLLER::value(double pos)
{
DBC_CHECK(server() != 0);
parameter_t value_rep = init_value_rep;
if (server() != 0) {
if (trace_request_rep == true) {
server()->add_controller_trace(channel_rep,
controller_rep,
static_cast<int>(value_rep * 127.0));
trace_request_rep = false;
}
value_rep =
static_cast<double>(server()->last_controller_value(channel_rep, controller_rep));
value_rep /= 127.0;
}
return value_rep;
}
void MIDI_CONTROLLER::set_initial_value(parameter_t arg)
{
init_value_rep = arg;
if (server() != 0) {
server()->add_controller_trace(channel_rep,
controller_rep,
static_cast<int>(init_value_rep * 127.0));
}
else {
/* add controller trace when server is available */
trace_request_rep = true;
}
}
MIDI_CONTROLLER::MIDI_CONTROLLER(int controller_number,
int midi_channel)
: controller_rep(controller_number),
channel_rep(midi_channel),
init_value_rep(0.0),
trace_request_rep(false)
{
}
void MIDI_CONTROLLER::init(void)
{
MESSAGE_ITEM otemp;
otemp << "MIDI-controller initialized using controller ";
otemp.setprecision(0);
otemp << controller_rep << " and channel " << channel_rep << ".";
ECA_LOG_MSG(ECA_LOGGER::user_objects, otemp.to_string());
}
void MIDI_CONTROLLER::set_parameter(int param, CONTROLLER_SOURCE::parameter_t value)
{
/* FIXME: we should really remove unused ctrl+channel traces */
switch (param) {
case 1:
controller_rep = static_cast<int>(value);
if (controller_rep < 0 ||
controller_rep > 127) {
controller_rep = 1;
ECA_LOG_MSG(ECA_LOGGER::info,
"(midi-cc) Controller number must be a number between 0 and 127. Defaulting to controller 0");
}
break;
case 2:
channel_rep = static_cast<int>(value);
if (channel_rep < 1 ||
channel_rep > 16) {
channel_rep = 1;
ECA_LOG_MSG(ECA_LOGGER::info,
"(midi-cc) MIDI-channel must be a number between 1 and 16. Defaulting to channel 1.");
}
--channel_rep; /* map from 1...16 -> 0...15 */
break;
}
trace_request_rep = true;
}
CONTROLLER_SOURCE::parameter_t MIDI_CONTROLLER::get_parameter(int param) const
{
switch (param) {
case 1:
return static_cast<parameter_t>(controller_rep);
case 2:
/* map from 0...15 -> 1...16 */
return static_cast<parameter_t>(channel_rep + 1);
}
return 0.0;
}
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