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/* |
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* Parts Copyright (C) 2005-2008 by Pieter Palmers |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 2 of the License, or |
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* (at your option) version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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/* |
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* based on howdyget.c (unknown source, maybe Maas Digital LLC) |
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*/ |
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#include <libraw1394/raw1394.h> |
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#include <stdio.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <argp.h> |
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#include "debugmodule/debugmodule.h" |
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#include "realtimetools.h" |
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#include <cstdlib> |
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uint32_t count = 0; |
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DECLARE_GLOBAL_DEBUG_MODULE; |
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#define MAX_EXTRA_ARGS 2 |
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// Program documentation. |
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// Program documentation. |
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static char doc[] = "FFADO -- ISO receive test\n\n"; |
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// A description of the arguments we accept. |
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static char args_doc[] = ""; |
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struct arguments |
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{ |
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long int verbose; |
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long int port; |
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long int channel; |
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long int packetsize; |
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long int buffersize; |
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long int interval; |
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long int countdown; |
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long int startoncycle; |
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long int printinterval; |
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long int rtprio; |
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char* args[MAX_EXTRA_ARGS]; |
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}; |
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// The options we understand. |
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static struct argp_option options[] = { |
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{"verbose", 'v', "level", 0, "Verbose level" }, |
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{"port", 'p', "port", 0, "firewire port to use" }, |
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{"channel", 'c', "channel", 0, "iso channel to use" }, |
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{"packetsize", 's', "packetsize", 0, "packet size to use" }, |
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{"buffersize", 'b', "buffersize", 0, "number of packets to buffer" }, |
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{"interval", 'i', "interval", 0, "interrupt interval in packets" }, |
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{"startoncycle", 't', "cycle", 0, "start on a specific cycle" }, |
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{"countdown", 'u', "count", 0, "number of iterations to run" }, |
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{"printinterval", 'r', "packets", 0, "number of packets between successive status prints" }, |
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{"rtprio", 'P', "prio", 0, "real time priority of the iterator process/thread (0 = no RT)" }, |
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{ 0 } |
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}; |
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// Parse a single option. |
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#define PARSE_ARG_LONG(XXletterXX, XXvarXX, XXdescXX) \ |
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case XXletterXX: \ |
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if (arg) { \ |
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XXvarXX = strtol( arg, &tail, 0 ); \ |
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if ( errno ) { \ |
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fprintf( stderr, "Could not parse '%s' argument\n", XXdescXX ); \ |
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return ARGP_ERR_UNKNOWN; \ |
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} \ |
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} \ |
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break; |
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static error_t |
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parse_opt( int key, char* arg, struct argp_state* state ) |
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{ |
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// Get the input argument from `argp_parse', which we |
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// know is a pointer to our arguments structure. |
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struct arguments* arguments = ( struct arguments* ) state->input; |
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char* tail; |
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errno = 0; |
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switch (key) { |
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PARSE_ARG_LONG('v', arguments->verbose, "verbose"); |
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PARSE_ARG_LONG('p', arguments->port, "port"); |
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PARSE_ARG_LONG('c', arguments->channel, "channel"); |
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PARSE_ARG_LONG('s', arguments->packetsize, "packetsize"); |
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PARSE_ARG_LONG('b', arguments->buffersize, "buffersize"); |
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PARSE_ARG_LONG('i', arguments->interval, "interval"); |
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PARSE_ARG_LONG('u', arguments->countdown, "countdown"); |
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PARSE_ARG_LONG('r', arguments->printinterval, "printinterval"); |
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PARSE_ARG_LONG('t', arguments->startoncycle, "startoncycle"); |
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PARSE_ARG_LONG('P', arguments->rtprio, "rtprio"); |
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case ARGP_KEY_ARG: |
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break; |
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case ARGP_KEY_END: |
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break; |
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default: |
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return ARGP_ERR_UNKNOWN; |
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} |
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return 0; |
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} |
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// Our argp parser. |
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static struct argp argp = { options, parse_opt, args_doc, doc }; |
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// the global arguments struct |
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struct arguments arguments; |
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int last_cycle = -1; |
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static enum raw1394_iso_disposition myISOGetter(raw1394handle_t handle, |
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unsigned char *data, |
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unsigned int len, |
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unsigned char channel, |
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unsigned char tag, |
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unsigned char sy, |
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unsigned int cycle, |
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unsigned int dropped1) |
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{ |
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unsigned int skipped = (dropped1 & 0xFFFF0000) >> 16; |
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unsigned int dropped = dropped1 & 0xFFFF; |
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//debugOutput(DEBUG_LEVEL_INFO, "In handler\n"); |
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//sprintf((char *)data, "Hello World %8u\n", count); |
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if (last_cycle >= 0) { |
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if (cycle != ((unsigned int)last_cycle + 1) % 8000) { |
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debugOutput(DEBUG_LEVEL_INFO, "nonmonotonic cycles: this: %04d, last: %04d, dropped: 0x%08X\n", cycle, last_cycle, dropped1); |
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} |
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} |
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last_cycle = cycle; |
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count++; |
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if(dropped) debugOutput(DEBUG_LEVEL_INFO, "Dropped packets! (%d)\n", dropped); |
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if(skipped) debugOutput(DEBUG_LEVEL_INFO, "Skipped packets! (%d)\n", skipped); |
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if (count % arguments.printinterval == 0) debugOutput(DEBUG_LEVEL_INFO, "cycle=%d count=%d\n", cycle, count); |
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return RAW1394_ISO_OK; |
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} |
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int main(int argc, char **argv) |
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{ |
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raw1394handle_t handle; |
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// Default values. |
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arguments.verbose = DEBUG_LEVEL_VERBOSE; |
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arguments.port = 0; |
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arguments.channel = 0; |
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arguments.packetsize = 1024; |
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arguments.buffersize = 100; |
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arguments.interval = -1; |
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arguments.startoncycle = -1; |
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arguments.countdown = 10000; |
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arguments.printinterval = 100; |
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arguments.rtprio = 0; |
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// Parse our arguments; every option seen by `parse_opt' will |
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// be reflected in `arguments'. |
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if ( argp_parse ( &argp, argc, argv, 0, 0, &arguments ) ) { |
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debugError("Could not parse command line\n" ); |
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return -1; |
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} |
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debugOutput(DEBUG_LEVEL_INFO, "Get 1394 handle...\n"); |
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handle = raw1394_new_handle(); |
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if(!handle) |
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{ |
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perror("raw1394_new_handle"); |
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return -1; |
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} |
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debugOutput(DEBUG_LEVEL_INFO, "Select 1394 port %d...\n", arguments.port); |
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do |
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{ |
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if (raw1394_get_port_info(handle, NULL, 0) < 0) |
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{ |
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perror("raw1394_get_port_info"); |
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return 1; |
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} |
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raw1394_set_port(handle, arguments.port); |
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} while (errno == ESTALE); |
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if(errno) |
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{ |
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perror("raw1394_set_port"); |
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return 1; |
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} |
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debugOutput(DEBUG_LEVEL_INFO, "Init ISO receive...\n"); |
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if(raw1394_iso_recv_init(handle, |
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myISOGetter, |
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arguments.buffersize, |
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arguments.packetsize, |
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arguments.channel, |
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RAW1394_DMA_DEFAULT, |
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arguments.interval)) |
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{ |
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perror("raw1394_iso_recv_init"); |
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return 1; |
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} |
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debugOutput(DEBUG_LEVEL_INFO, "Start ISO receive...\n"); |
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if(raw1394_iso_recv_start(handle, arguments.startoncycle, 0xF, 0)) |
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{ |
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perror("raw1394_iso_recv_start"); |
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return 1; |
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} |
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debugOutput(DEBUG_LEVEL_INFO, "Setting RT priority (%d)...\n", arguments.rtprio); |
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set_realtime_priority(arguments.rtprio); |
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debugOutput(DEBUG_LEVEL_INFO, "Starting iterate loop...\n"); |
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int countdown = arguments.countdown; |
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while(countdown--) |
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{ |
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if(raw1394_loop_iterate(handle)) |
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{ |
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perror("raw1394_loop_iterate"); |
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return 1; |
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} |
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} |
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return 0; |
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} |
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