Drop obsolete powermate code from libs/surface
This commit is contained in:
Adrian Knoth
parent
c72c7e6575
commit
55e07a7243
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@ -1,21 +0,0 @@
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This module works with the Griffin Powermate and allows some basic transport control.
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It autodetects the Powermate on any input device of the form "/dev/input/event*". This means you must have the powermate module in your kernel. It works out-of-the-box with 64Studio and presumably lots of other modern distributions.
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Turning the wheel left and right will act as a "Shuttle" wheel, adjusting playback speed up and down
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Pushing the knob will switch between play and stop
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Pushing the knob while turning will jump to the next or previous markers
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In order for the powermate to work, you have to have permission to open the input device for reading.
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In debian, I changed /etc/udev/rules.d/0_permissions.rules to have the line:
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KERNEL=="event[0-9]*", MODE="0666"
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but there are other ways to achieve this
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Feedback, tweaks, bug fixes and feature ideas are encouraged
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-Ben Loftis, ben@benloftis.com
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@ -1,16 +0,0 @@
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#ifndef __i18n_h__
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#define __i18n_h__
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#include "pbd/compose.h"
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#include "pbd/convert.h"
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#include "gettext.h"
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#include <vector>
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#include <string>
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#define _(Text) dgettext (PACKAGE,Text)
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#define N_(Text) gettext_noop (Text)
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#define X_(Text) Text
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#define I18N(Array) PBD::internationalize (PACKAGE, Array)
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#endif // __i18n_h__
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@ -1,57 +0,0 @@
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/*
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Ardour9pin interface file
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Ben Loftis
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Created: 05/18/06 11:07:56
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Copyright Harrison Audio, LLC, 2007
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*/
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#include "powermate.h"
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using namespace ARDOUR;
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ControlProtocol*
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new_powermate_protocol (ControlProtocolDescriptor* /*descriptor*/, Session* s)
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{
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PowermateControlProtocol* pcp = new PowermateControlProtocol (*s);
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if (pcp->set_active (true)) {
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delete pcp;
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return 0;
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}
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return pcp;
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}
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void
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delete_powermate_protocol (ControlProtocolDescriptor* /*descriptor*/, ControlProtocol* cp)
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{
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delete cp;
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}
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bool
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probe_powermate_protocol (ControlProtocolDescriptor* /*descriptor*/)
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{
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return PowermateControlProtocol::probe ();
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}
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static ControlProtocolDescriptor powermate_descriptor = {
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name : "powermate",
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id : "uri://ardour.org/ardour/powermate:0",
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ptr : 0,
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module : 0,
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mandatory : 0,
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supports_feedback : false,
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probe : probe_powermate_protocol,
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initialize : new_powermate_protocol,
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destroy : delete_powermate_protocol
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};
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extern "C" {
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ControlProtocolDescriptor*
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protocol_descriptor () {
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return &powermate_descriptor;
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}
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}
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@ -1,258 +0,0 @@
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/*
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powermate.cc
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Ben Loftis
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Created: 03/26/07 20:07:56
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*/
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#include <linux/input.h>
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#include <cstring>
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#include <cerrno>
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#include <cstdio>
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#include <unistd.h>
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#include <fcntl.h>
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#include <glibmm.h>
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#include "pbd/pthread_utils.h"
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#include "pbd/xml++.h"
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#include "pbd/error.h"
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#include "ardour/debug.h"
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#include "powermate.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace std;
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using namespace sigc;
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using namespace PBD;
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#define NUM_VALID_PREFIXES 2
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static const char *valid_prefix[NUM_VALID_PREFIXES] = {
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"Griffin PowerMate",
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"Griffin SoundKnob"
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};
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#define NUM_EVENT_DEVICES 16
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int open_powermate (const char *dev, int mode)
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{
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if (!Glib::file_test (dev, Glib::FILE_TEST_EXISTS)) {
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return -1;
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}
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int fd = open(dev, mode);
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int i;
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char name[255];
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if (fd < 0) {
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if (errno != EACCES) {
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error << string_compose ("Unable to open \"%1\": %2", dev, strerror(errno)) << endmsg;
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}
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return -1;
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}
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/* placate valgrind */
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name[0] = '\0';
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if (ioctl (fd, EVIOCGNAME (sizeof(name)), name) < 0) {
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error << string_compose ("\"%1\": EVIOCGNAME failed: %2", dev, strerror(errno)) << endmsg;
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close (fd);
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return -1;
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}
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// it's the correct device if the prefix matches what we expect it to be:
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for (i = 0; i < NUM_VALID_PREFIXES; ++i) {
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if (!strncasecmp (name, valid_prefix[i], strlen (valid_prefix[i]))) {
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return fd;
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}
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}
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close (fd);
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return -1;
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}
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int find_powermate(int mode)
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{
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char devname[256];
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int i, r;
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for (i = 0; i < NUM_EVENT_DEVICES; i++) {
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sprintf (devname, "/dev/input/event%d", i);
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r = open_powermate (devname, mode);
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if (r >= 0) {
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return r;
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}
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}
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return -1;
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}
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PowermateControlProtocol::PowermateControlProtocol (Session& s)
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: ControlProtocol (s, "powermate")
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{
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}
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PowermateControlProtocol::~PowermateControlProtocol ()
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{
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set_active (false);
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}
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bool
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PowermateControlProtocol::probe ()
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{
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int port = find_powermate( O_RDONLY );
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if (port < 0) {
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if (errno == ENOENT) {
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DEBUG_TRACE (DEBUG::ControlProtocols, "Powermate device not found; perhaps you have no powermate connected");
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} else {
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DEBUG_TRACE (DEBUG::ControlProtocols, string_compose ("powermate: Opening of powermate failed - %1\n", strerror(errno)));
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}
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return false;
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}
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close (port);
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return true;
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}
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int
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PowermateControlProtocol::set_active (bool inActivate)
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{
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if (inActivate != _active) {
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if (inActivate) {
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mPort = find_powermate(O_RDONLY);
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if ( mPort < 0 ) {
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return -1;
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}
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if (pthread_create_and_store ("Powermate", &mThread, SerialThreadEntry, this) == 0) {
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_active = true;
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} else {
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return -1;
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}
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printf("Powermate Control Protocol activated\n");
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} else {
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pthread_cancel (mThread);
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close (mPort);
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_active = false;
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printf("Powermate Control Protocol deactivated\n");
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}
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}
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return 0;
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}
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XMLNode&
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PowermateControlProtocol::get_state ()
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{
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XMLNode* node = new XMLNode (X_("Protocol"));
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node->add_property (X_("name"), _name);
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return *node;
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}
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int
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PowermateControlProtocol::set_state (const XMLNode& /*node*/, int /*version*/)
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{
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return 0;
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}
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void*
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PowermateControlProtocol::SerialThreadEntry (void* arg)
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{
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static_cast<PowermateControlProtocol*>(arg)->register_thread ("Powermate");
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return static_cast<PowermateControlProtocol*>(arg)->SerialThread ();
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}
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#define BUFFER_SIZE 32
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bool held = false;
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bool skippingMarkers = false;
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void
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PowermateControlProtocol::ProcessEvent(struct input_event *ev)
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{
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#ifdef VERBOSE
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fprintf(stderr, "type=0x%04x, code=0x%04x, value=%d\n",
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ev->type, ev->code, (int)ev->value);
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#endif
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switch(ev->type){
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case EV_MSC:
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printf("The LED pulse settings were changed; code=0x%04x, value=0x%08x\n", ev->code, ev->value);
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break;
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case EV_REL:
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if(ev->code != REL_DIAL)
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fprintf(stderr, "Warning: unexpected rotation event; ev->code = 0x%04x\n", ev->code);
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else{
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if (held) {
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//click and hold to skip forward and back by markers
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skippingMarkers = true;;
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if (ev->value > 0)
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next_marker();
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else
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prev_marker();
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} else {
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//scale the range so that we can go from +/-8x within 180 degrees, with less precision at the higher speeds
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float speed = get_transport_speed();
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speed += (float)ev->value * 0.05;
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if (speed > 1.5 || speed < -1.5 )
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speed += ev->value;
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set_transport_speed( speed );
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}
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}
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break;
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case EV_KEY:
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if(ev->code != BTN_0)
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fprintf(stderr, "Warning: unexpected key event; ev->code = 0x%04x\n", ev->code);
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else
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if (ev->value)
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held = true;
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else {
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held = false;
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if (skippingMarkers) {
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skippingMarkers = false;
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} else {
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if (get_transport_speed() == 0.0) {
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set_transport_speed(1.0);
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} else {
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set_transport_speed(0.0);
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}
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}
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}
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break;
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}
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fflush(stdout);
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}
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void*
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PowermateControlProtocol::SerialThread ()
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{
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struct input_event ibuffer[BUFFER_SIZE];
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int r, events, i;
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while(1){
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r = read(mPort, ibuffer, sizeof(struct input_event) * BUFFER_SIZE);
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if( r > 0 ){
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events = r / sizeof(struct input_event);
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for(i=0; i<events; i++)
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ProcessEvent(&ibuffer[i]);
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}else{
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fprintf(stderr, "read() failed: %s\n", strerror(errno));
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return (void*) 0;
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}
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}
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return (void*) 0;
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}
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@ -1,34 +0,0 @@
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#ifndef ardour_powermate_h
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#define ardour_powermate_h
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#include <sys/time.h>
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#include <pthread.h>
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#include "control_protocol/control_protocol.h"
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class PowermateControlProtocol : public ARDOUR::ControlProtocol
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{
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public:
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PowermateControlProtocol (ARDOUR::Session&);
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virtual ~PowermateControlProtocol();
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int set_active (bool yn);
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static bool probe ();
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XMLNode& get_state ();
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int set_state (const XMLNode&, int version);
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private:
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static void* SerialThreadEntry (void* arg);
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void* SerialThread ();
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void ProcessEvent(struct input_event *ev);
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int mPort;
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pthread_t mThread;
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};
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#endif
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@ -1,37 +0,0 @@
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#!/usr/bin/env python
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from waflib.extras import autowaf as autowaf
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import os
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# Library version (UNIX style major, minor, micro)
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# major increment <=> incompatible changes
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# minor increment <=> compatible changes (additions)
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# micro increment <=> no interface changes
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LIBARDOUR_POWERMATE_LIB_VERSION = '4.1.0'
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# Mandatory variables
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top = '.'
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out = 'build'
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def options(opt):
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autowaf.set_options(opt)
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def configure(conf):
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autowaf.configure(conf)
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def build(bld):
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obj = bld(features = 'cxx cxxshlib')
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obj.source = '''
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interface.cc
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powermate.cc
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'''
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obj.export_includes = ['.']
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obj.cxxflags = '-DPACKAGE="ardour_powermate"'
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obj.includes = ['.' ]
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obj.name = 'libpowermate'
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obj.target = 'powermate'
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obj.use = 'libardour libardour_cp'
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obj.vnum = LIBARDOUR_POWERMATE_LIB_VERSION
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obj.install_path = os.path.join(bld.env['LIBDIR'], 'ardour3', 'surfaces')
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def shutdown():
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autowaf.shutdown()
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@ -25,7 +25,6 @@ children = [
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'generic_midi',
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'mackie',
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'osc',
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'powermate',
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'tranzport',
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'wiimote'
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]
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@ -48,7 +47,6 @@ def configure(conf):
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#if Options.options.tranzport and conf.is_defined('HAVE_USB'):
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# conf.define('BUILD_TRANZPORT', 1)
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conf.check_cc (header_name='linux/input.h', define_name='BUILD_POWERMATE',mandatory=False)
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autowaf.check_pkg (conf, 'liblo', mandatory=False, uselib_store="LO", atleast_version="0.24")
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conf.check_cc (header_name='cwiid.h', define_name='HAVE_CWIID_H',mandatory=False)
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@ -68,8 +66,6 @@ def build(bld):
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bld.recurse('mackie')
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if bld.is_defined ('HAVE_LO'):
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bld.recurse('osc')
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if bld.is_defined('BUILD_POWERMATE'):
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bld.recurse('powermate')
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if bld.is_defined('BUILD_WIIMOTE'):
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bld.recurse('wiimote')
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if bld.is_defined('BUILD_TRANZPORT'):
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