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test-ffado.cpp

/*
 * Copyright (C) 2005-2008 by Daniel Wagner
 * Copyright (C) 2005-2008 by Pieter Palmers
 *
 * This file is part of FFADO
 * FFADO = Free Firewire (pro-)audio drivers for linux
 *
 * FFADO is based upon FreeBoB.
 *
 * 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 2 of the License, or
 * (at your option) version 3 of the License.
 *
 * 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/>.
 *
 */

/*
 * This version uses the CPP API
 */

#include <config.h>

#include "libffado/ffado.h"

#include "debugmodule/debugmodule.h"
#include "fbtypes.h"
#include "devicemanager.h"
#include "ffadodevice.h"

#include <signal.h>

#include <argp.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <vector>
#include <string>
#include <iostream>
#include <sstream>

#include "libieee1394/cycletimer.h"

using namespace std;

DECLARE_GLOBAL_DEBUG_MODULE;

#define MAX_ARGS 5

// global's
const char *argp_program_version = PACKAGE_STRING;
const char *argp_program_bug_address = PACKAGE_BUGREPORT;

// Program documentation.
static char doc[] = "FFADO -- a driver for Firewire Audio devices (test application)\n\n"
                    "OPERATION: Discover\n"
                    "           SetSamplerate samplerate\n"
                    "           SetClockSource [id]\n"
                    "           BusReset\n"
                    "           ListDevices\n"
                    "           SetSplitTimeout timeout_usec\n"
                    "           GetSplitTimeout\n"
                    ;

// A description of the arguments we accept.
static char args_doc[] = "OPERATION";

struct arguments
{
    unsigned int nargs;
    short    silent;
    long int verbose;
    long int port;
    long int use_cache;
    long int node_id;
    long int node_id_set;
    const char* args[MAX_ARGS];
};

// The options we understand.
static struct argp_option options[] = {
    {"quiet",    'q',       0,    0,  "Don't produce any output" },
    {"silent",   's',       0,    OPTION_ALIAS },

    {"verbose",  'v', "level",    0,  "Produce verbose output" },
#if ENABLE_DISCOVERY_CACHE
    {"cache",    'c', "enable",   0,  "Use AVC model cache" },
#endif

    {"node",     'n',    "id",    0,  "Node to use" },
    {"port",     'p',    "nr",    0,  "IEEE1394 Port to use" },
    { 0 }
};

//-------------------------------------------------------------

// Parse a single option.
static error_t
parse_opt( int key, char* arg, struct argp_state* state )
{
    // Get the input argument from `argp_parse', which we
    // know is a pointer to our arguments structure.
    struct arguments* arguments = ( struct arguments* ) state->input;
    char* tail;

    errno = 0;
    switch (key) {
    case 'q': case 's':
        arguments->silent = 1;
        break;
    case 'v':
        if (arg) {
            arguments->verbose = strtol( arg, &tail, 0 );
            if ( errno ) {
                fprintf( stderr,  "Could not parse 'verbose' argument\n" );
                return ARGP_ERR_UNKNOWN;
            }
        }
        break;
    case 'c':
        if (arg) {
            arguments->use_cache = strtol( arg, &tail, 0 );
            if ( errno ) {
                fprintf( stderr,  "Could not parse 'cache' argument\n" );
                return ARGP_ERR_UNKNOWN;
            }
        }
        break;
    case 'p':
        if (arg) {
            arguments->port = strtol( arg, &tail, 0 );
            if ( errno ) {
                fprintf( stderr,  "Could not parse 'port' argument\n" );
                return ARGP_ERR_UNKNOWN;
            }
        } else {
            if ( errno ) {
                fprintf( stderr, "Could not parse 'port' argumen\n" );
                return ARGP_ERR_UNKNOWN;
            }
        }
        break;
    case 'n':
        if (arg) {
            arguments->node_id = strtol( arg, &tail, 0 );
            if ( errno ) {
                fprintf( stderr,  "Could not parse 'node' argument\n" );
                return ARGP_ERR_UNKNOWN;
            }
            arguments->node_id_set=1;
        } else {
            if ( errno ) {
                fprintf( stderr, "Could not parse 'node' argumen\n" );
                return ARGP_ERR_UNKNOWN;
            }
        }
        break;
    case ARGP_KEY_ARG:
        if (state->arg_num >= MAX_ARGS) {
            // Too many arguments.
            argp_usage( state );
        }
        arguments->args[state->arg_num] = arg;
        arguments->nargs++;
        break;
    case ARGP_KEY_END:
        if (state->arg_num < 1) {
        // Not enough arguments.
        argp_usage( state );
        }
        break;
    default:
        return ARGP_ERR_UNKNOWN;
    }
    return 0;
}

// Our argp parser.
static struct argp argp = { options, parse_opt, args_doc, doc };

int exitfunction( int retval ) {
    debugOutput( DEBUG_LEVEL_NORMAL, "Debug output flushed...\n" );
    flushDebugOutput();

    return retval;
}

void 
printDeviceList(unsigned int port)
{
    Ieee1394Service service;
    // switch off all messages since they mess up the list
    service.setVerboseLevel(0);
    if ( !service.initialize( port ) ) {
        printf("Could not initialize IEEE 1394 service on port %d\n", port);
        exit(-1);
    }

    printf("=== 1394 PORT %d ===\n", port);
    printf("  Node id  GUID                  VendorId     ModelId   Vendor - Model\n");
    for (int i = 0; i < service.getNodeCount(); i++) {
        ConfigRom crom(service, i);
        if (!crom.initialize())
            break;

        printf("  %2d       0x%s  0x%08X  0x%08X   %s - %s\n",
               i, crom.getGuidString().c_str(),
               crom.getNodeVendorId(), crom.getModelId(),
               crom.getVendorName().c_str(),
               crom.getModelName().c_str());
    }
}

void 
busreset(unsigned int port)
{
    Ieee1394Service service;
    // switch off all messages since they mess up the list
    service.setVerboseLevel(0);
    if ( !service.initialize( port ) ) {
        printf("Could not initialize IEEE 1394 service on port %d\n", port);
        exit(-1);
    }

    printf("Doing busreset on port %d\n", port);
    service.doBusReset();
}

int
main( int argc, char **argv )
{
    struct arguments arguments;

    printf("-----------------------------------------------\n");
    printf("FFADO test and diagnostic utility\n");
    printf("Part of the FFADO project -- www.ffado.org\n");
    printf("Version: %s\n", PACKAGE_VERSION);
    printf("(C) 2008, Daniel Wagner, Pieter Palmers\n");
    printf("This program comes with ABSOLUTELY NO WARRANTY.\n");
    printf("-----------------------------------------------\n\n");

    // check the library version
    const char *libversion = ffado_get_version();
    const char *progversion = PACKAGE_STRING;
    if(strcmp(libversion, progversion) != 0) {
        printf("Library version mismatch. (required: %s, present: %s)\n", progversion, libversion);
        printf("Please run this application against the exact corresponding library\n");
        printf("it was compiled for. The most common cause for this is having more\n");
        printf("than one version of libffado installed.\n\n");
        return exitfunction(-1);
    }

    // Default values.
    arguments.nargs       = 0;
    arguments.silent      = 0;
    arguments.verbose     = 0;
    arguments.use_cache   = 1;
    arguments.port        = 0;
    arguments.node_id     = 0;
    arguments.node_id_set = 0; // if we don't specify a node, discover all
    arguments.args[0]     = "";
    arguments.args[1]     = "";

    // Parse our arguments; every option seen by `parse_opt' will
    // be reflected in `arguments'.
    if ( argp_parse ( &argp, argc, argv, 0, 0, &arguments ) ) {
        fprintf( stderr, "Could not parse command line\n" );
        return exitfunction(-1);
    }
    setDebugLevel(arguments.verbose);

    if ( strcmp( arguments.args[0], "Discover" ) == 0 ) {
        DeviceManager *m_deviceManager = new DeviceManager();
        if ( !m_deviceManager ) {
            fprintf( stderr, "Could not allocate device manager\n" );
            return exitfunction(-1);
        }
        if ( arguments.verbose ) {
            m_deviceManager->setVerboseLevel(arguments.verbose);
        }
        if ( !m_deviceManager->initialize() ) {
            fprintf( stderr, "Could not initialize device manager\n" );
            delete m_deviceManager;
            return exitfunction(-1);
        }
        if ( arguments.verbose ) {
            m_deviceManager->setVerboseLevel(arguments.verbose);
        }
        if ( !m_deviceManager->discover(arguments.use_cache) ) {
            fprintf( stderr, "Could not discover devices\n" );
            delete m_deviceManager;
            return exitfunction(-1);
        }
        delete m_deviceManager;
        return exitfunction(0);
    } else if ( strcmp( arguments.args[0], "BusReset" ) == 0 ) {
        busreset(arguments.port);
    } else if ( strcmp( arguments.args[0], "ListDevices" ) == 0 ) {
        unsigned int nb_ports = Ieee1394Service::detectNbPorts();
        for (unsigned int i=0;i<nb_ports;i++) {
            printDeviceList(i);
        }
    } else if ( strcmp( arguments.args[0], "SetSamplerate" ) == 0 ) {
        char* tail;
        int samplerate = strtol( arguments.args[1], &tail, 0 );
        if ( errno ) {
            fprintf( stderr,  "Could not parse samplerate argument\n" );
            return exitfunction(-1);
        }

        DeviceManager *m_deviceManager = new DeviceManager();
        if ( !m_deviceManager ) {
            fprintf( stderr, "Could not allocate device manager\n" );
            return exitfunction(-1);
        }
        if ( arguments.verbose ) {
            m_deviceManager->setVerboseLevel(arguments.verbose);
        }
        if ( !m_deviceManager->initialize() ) {
            fprintf( stderr, "Could not initialize device manager\n" );
            delete m_deviceManager;
            return exitfunction(-1);
        }
        if ( arguments.verbose ) {
            m_deviceManager->setVerboseLevel(arguments.verbose);
        }
        if ( !m_deviceManager->discover(arguments.use_cache) ) {
            fprintf( stderr, "Could not discover devices\n" );
            delete m_deviceManager;
            return exitfunction(-1);
        }

        if(arguments.node_id_set) {
            FFADODevice* avDevice = m_deviceManager->getAvDevice( arguments.node_id );
            if ( avDevice ) {
                avDevice->setVerboseLevel(arguments.verbose);
                if ( ! avDevice->setSamplingFrequency( samplerate ) ) {
                    fprintf( stderr, "Could not set samplerate\n" );
                }
            }
        } else {
            int i=0;

            int devices_on_bus = m_deviceManager->getNbDevices();
            printf("  port = %d, devices_on_bus = %d\n", (int)arguments.port, devices_on_bus);

            for(i=0;i<devices_on_bus;i++) {
                int node_id=m_deviceManager->getDeviceNodeId(i);
                printf("  set samplerate for device = %d, node = %d\n", i, node_id);
                FFADODevice* avDevice = m_deviceManager->getAvDevice( node_id );
                if ( avDevice ) {
                    avDevice->setVerboseLevel(arguments.verbose);
                    if ( !avDevice->setSamplingFrequency( samplerate ) ) {
                        fprintf( stderr, "Could not set samplerate\n" );
                    }
                }
            }
        }
        delete m_deviceManager;
        return exitfunction(0);
    } else if ( strcmp( arguments.args[0], "SetClockSource" ) == 0 ) {
        char* tail;
        unsigned int targetid = (unsigned int)strtol( arguments.args[1], &tail, 0 );
        if ( errno ) {
            fprintf( stderr,  "Could not parse clock source argument\n" );
            targetid=0xFFFF;
        }
        DeviceManager *m_deviceManager = new DeviceManager();
        if ( !m_deviceManager ) {
            fprintf( stderr, "Could not allocate device manager\n" );
            return exitfunction(-1);
        }
        if ( arguments.verbose ) {
            m_deviceManager->setVerboseLevel(arguments.verbose);
        }
        if ( !m_deviceManager->initialize() ) {
            fprintf( stderr, "Could not initialize device manager\n" );
            delete m_deviceManager;
            return exitfunction(-1);
        }
        if ( arguments.verbose ) {
            m_deviceManager->setVerboseLevel(arguments.verbose);
        }
        if ( !m_deviceManager->discover(arguments.use_cache) ) {
            fprintf( stderr, "Could not discover devices\n" );
            delete m_deviceManager;
            return exitfunction(-1);
        }

        if(arguments.node_id_set) {
            FFADODevice* avDevice = m_deviceManager->getAvDevice( arguments.node_id );
            if ( avDevice ) {
                FFADODevice::ClockSource s;
            
                avDevice->setVerboseLevel(arguments.verbose);
                FFADODevice::ClockSourceVector sources=avDevice->getSupportedClockSources();
                for ( FFADODevice::ClockSourceVector::const_iterator it
                        = sources.begin();
                    it != sources.end();
                    ++it )
                {
                    FFADODevice::ClockSource c=*it;
                    printf( " Type: %s, Id: %d, Valid: %d, Active: %d, Description: %s\n",
                        FFADODevice::ClockSourceTypeToString(c.type), c.id, c.valid, c.active, c.description.c_str());
                    
                    if (c.id==targetid) {
                        s=*it;
                    }
                }
                
                if (s.type != FFADODevice::eCT_Invalid) {
                    printf("  set clock source to %d\n", s.id);
                    if ( ! avDevice->setActiveClockSource( s ) ) {
                        fprintf( stderr, "Could not set clock source\n" );
                    }
                } else {
                    printf("  no clock source with id %d found\n", targetid);
                }
            }
        } else {
            fprintf( stderr, "please specify a node\n" );
        }
        delete m_deviceManager;
        return exitfunction(0);
    } else if ( strcmp( arguments.args[0], "SetSplitTimeout" ) == 0 ) {
        char* tail;
        int usecs = strtol( arguments.args[1], &tail, 0 );
        if ( errno ) {
            fprintf( stderr,  "Could not parse timeout argument\n" );
            return exitfunction(-1);
        }

        Ieee1394Service service;
        // switch off all messages since they mess up the list
        service.setVerboseLevel(arguments.verbose);
        if ( !service.initialize( arguments.port ) ) {
            printf("Could not initialize IEEE 1394 service on port %d\n", (int)arguments.port);
            return exitfunction(-1);
        }

        nodeid_t nodeid;
        if(arguments.node_id_set) {
            nodeid = arguments.node_id;
        } else {
            nodeid = service.getLocalNodeId();
        }
        
        if (!service.setSplitTimeoutUsecs(nodeid, usecs)) {
            printf("Failed to set SPLIT_TIMEOUT to %u for node %X on port %d\n",
                   usecs, nodeid, (int)arguments.port);
            return exitfunction(-1);
        }

        return exitfunction(0);
    } else if ( strcmp( arguments.args[0], "GetSplitTimeout" ) == 0 ) {
        Ieee1394Service service;
        // switch off all messages since they mess up the list
        service.setVerboseLevel(arguments.verbose);
        if ( !service.initialize( arguments.port ) ) {
            printf("Could not initialize IEEE 1394 service on port %d\n", (int)arguments.port);
            return exitfunction(-1);
        }

        nodeid_t nodeid;
        if(arguments.node_id_set) {
            nodeid = arguments.node_id;
        } else {
            nodeid = service.getLocalNodeId();
        }
        int usecs = service.getSplitTimeoutUsecs(nodeid);
        if (usecs < 0) {
            printf("Failed to get SPLIT_TIMEOUT for node %X on port %d\n",
                   nodeid, (int)arguments.port);
            return exitfunction(-1);
        }
        printf("SPLIT_TIMEOUT for node %X on port %d is %u\n",
               nodeid, (int)arguments.port, usecs);

        return exitfunction(0);
    } else if ( strcmp( arguments.args[0], "SytCalcTest" ) == 0 ) {
        if (arguments.nargs < 4) {
            fprintf( stderr,"Not enough arguments\n");
            return -1;
        }
        uint64_t syt_timestamp = strtol(arguments.args[1], NULL, 0);
        if (errno) {
            fprintf( stderr,"syt_timestamp parsing failed: %s\n",
                     strerror(errno));
            return errno;
        }
        uint32_t rcv_cycle = strtol(arguments.args[2], NULL, 0);
        if (errno) {
            fprintf( stderr,"rcv_cycle parsing failed: %s\n",
                     strerror(errno));
            return errno;
        }
        uint64_t ctr_now = strtoll(arguments.args[3], NULL, 0);
        if (errno) {
            fprintf( stderr,"ctr_now parsing failed: %s\n",
                     strerror(errno));
            return errno;
        }
        uint64_t result_rcv = sytRecvToFullTicks(syt_timestamp, rcv_cycle, ctr_now);
        uint64_t result_xmt = sytXmitToFullTicks(syt_timestamp, rcv_cycle, ctr_now);
        printf("RCV: 0x%010"PRIX64" %010"PRIu64"  XMT: 0x%010"PRIX64" %010"PRIu64" CTR: %010"PRIu64"\n",
               result_rcv, result_rcv, result_xmt, result_xmt, CYCLE_TIMER_TO_TICKS(ctr_now));

    } else {
        fprintf( stderr, "please specify a command\n" );
    }
}

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