root/trunk/libffado/src/libieee1394/test-cyclecalc.cpp

Revision 864, 3.7 kB (checked in by ppalmers, 13 years ago)

update license to GPLv2 or GPLv3 instead of GPLv2 or any later version. Update copyrights to reflect the new year

Line 
1 /*
2  * Copyright (C) 2005-2008 by Pieter Palmers
3  *
4  * This file is part of FFADO
5  * FFADO = Free Firewire (pro-)audio drivers for linux
6  *
7  * FFADO is based upon FreeBoB
8  *
9  * This program is free software: you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation, either version 2 of the License, or
12  * (at your option) version 3 of the License.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
21  *
22  */
23
24 #include "cycletimer.h"
25 #include "debugmodule/debugmodule.h"
26 #include <stdio.h>
27
28 DECLARE_GLOBAL_DEBUG_MODULE;
29
30 int main() {
31     setDebugLevel(DEBUG_LEVEL_VERY_VERBOSE);
32     printf("Cycle timer operation tests (incomplete)\n");
33    
34     /* TEST 1
35      * check reconstruction of SYT RECEIVE timestamp
36      *
37      * The now_ctr has wrapped, while the cycle and syt have not
38      *
39      */
40
41     uint32_t now_ctr = 0x140001DA;
42     uint64_t now = CYCLE_TIMER_TO_TICKS(0x140001DA);
43     unsigned int cycle = 7968;
44     uint16_t syt = 0x583B;
45    
46     debugOutput(DEBUG_LEVEL_VERBOSE,"NOW_CTR          : %08X (%03us %04uc %04ut)\n",
47                           now_ctr,
48                           (unsigned int)CYCLE_TIMER_GET_SECS(now_ctr),
49                           (unsigned int)CYCLE_TIMER_GET_CYCLES(now_ctr),
50                           (unsigned int)CYCLE_TIMER_GET_OFFSET(now_ctr));
51
52     debugOutput(DEBUG_LEVEL_VERBOSE,"NOW              : %011llu (%03us %04uc %04ut)\n",
53                           now,
54                           (unsigned int)TICKS_TO_SECS(now),
55                           (unsigned int)TICKS_TO_CYCLES(now),
56                           (unsigned int)TICKS_TO_OFFSET(now));
57     debugOutput(DEBUG_LEVEL_VERBOSE,"SYT              : %08X (%03us %04uc %04ut)\n",
58                           syt,
59                           (unsigned int)CYCLE_TIMER_GET_SECS(syt),
60                           (unsigned int)CYCLE_TIMER_GET_CYCLES(syt),
61                           (unsigned int)CYCLE_TIMER_GET_OFFSET(syt));
62     debugOutput(DEBUG_LEVEL_VERBOSE,"CYCLE            : %uc\n",
63                           cycle);
64
65     uint64_t calc_ts = sytRecvToFullTicks(syt, cycle, now_ctr);
66
67     debugOutput(DEBUG_LEVEL_VERBOSE,"CALC_TS          : %011llu (%03us %04uc %04ut)\n",
68                           calc_ts,
69                           (unsigned int)TICKS_TO_SECS(calc_ts),
70                           (unsigned int)TICKS_TO_CYCLES(calc_ts),
71                           (unsigned int)TICKS_TO_OFFSET(calc_ts));
72
73    
74 // BL: 1211722982: Debug (IsoHandler.cpp)[ 420] putPacket: received packet: length=168, channel=0, cycle=7968
75 // BL: 1211723031: Debug (cycletimer.h)[ 308] sytRecvToFullTicks: SYT=583B CY=7968 CTR=140001DA
76 // BL: 1211723037: Debug (StreamProcessor.cpp)[ 346] putPacket: RECV: CY=7968 TS=00245679163
77 // BL: 1211723043: Debug (AmdtpReceiveStreamProcessor.cpp)[ 135] processPacketData: STMP: 245679163ticks | syt_interval=8, tpf=557.254395
78 // BL: 1211723051: Debug (TimestampedBuffer.cpp)[1153] incrementFrameCounter:  nbframes: 8, m_update_period: 8
79 // BL: 1211723052: Debug (AmdtpTransmitStreamProcessor.cpp)[ 250] generatePacketHeader: Too early: CY=0254, TC=0257, CUT=0003, TST=00271126073 (0257), TSP=00271137849 (0261)
80 // BL: 1211723055: Debug (TimestampedBuffer.cpp)[1155] incrementFrameCounter:  tail TS:  270250705.174, next tail TS:  270255163.209
81 // BL: 1211723062: Debug (TimestampedBuffer.cpp)[1157] incrementFrameCounter:  new TS:  245679163.000, wrapped new TS:  245679163.000
82 //     
83
84 }
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