int TestMod11B(PDOT11_MOD_ARGS pArgs)
{
MDL Mdl;
PACKET_BASE Packet;
DOT11B_PLCP_TXVECTOR Dot11BTxVector;
Dot11BTxVector.PreambleType = DOT11B_PLCP_IS_LONG_PREAMBLE;
Dot11BTxVector.ModSelect = DOT11B_PLCP_IS_CCK;
if (!Dot11BRate_KbpsValid(pArgs->nBitRate))
{
printf("Data rate %d kbps is not supported by 802.11b mode\n", pArgs->nBitRate);
return -1;
}
Dot11BTxVector.DateRate = Dot11BDataRate_Kbps2Code(pArgs->nBitRate);
// Measure modulation speed
const int RUN_TIMES = 100;
ULONGLONG ts1 = SoraGetCPUTimestamp ( &tsinfo );
for (int ii = 0; ii < RUN_TIMES; ii++)
{
if (PreparePacket(pArgs->pcInFileName, &Mdl, &Packet, DataBuffer, (PUCHAR)SymbolBuffer, SAMPLE_BUFFER_SIZE) < 0)
return -1;
// Note: BB11BPMDPacketGenSignal() will modify Packet.pMdl and Packet.pReserved (data crc)
// so if run multiple times, please reload these data before calling it.
BB11BPMDPacketGenSignal(&Packet, &Dot11BTxVector, (PUCHAR)TempBuffer, sizeof(TempBuffer)/sizeof(COMPLEX8));
}
ULONGLONG ts2 = SoraGetCPUTimestamp ( &tsinfo );
printf("Signal data rate: %d kbps\n", Dot11BDataRate_Code2Kbps(Dot11BTxVector.DateRate));
printf("Signal packet size: %d\n", Packet.PacketSize);
printf("Signal encoded size: %d\n", Packet.Reserved3);
printf("Time cost average: %.3f us \n", SoraTimeElapsed (ts2-ts1, &tsinfo) * 1.0 / 1000 / RUN_TIMES);
FILE* pOut = NULL;
#pragma warning (push)
#pragma warning (disable:4996)
pOut = fopen(pArgs->pcOutFileName, "w+b");
#pragma warning (pop)
if (!pOut)
{
printf("Cannot create output file.\n");
return -1;
}
fwrite(Packet.pReserved, Packet.Reserved3, 1, pOut);
fclose(pOut);
return 0;
}
BOOLEAN RxThread ( void * pParam ) {
ulong& err = BB11aDemodCtx.CF_Error::error_code();
while (test_count) {
BB11aDemodCtx.Reset ();
ssrc->Reset ();
if ( err != E_ERROR_SUCCESS ) {
printf ( "Reset error (%X)!\n", err );
}
FB_11A_DemodBuffer(ssrc);
if ( err == E_ERROR_FRAME_OK ) {
// printf("Time cost average: %.3fus \n", SoraTimeElapsed (tts2-tts1, &tsinfo) * 1.0 / 1000 );
// printf ( "one good frame\n" );
if ( test_count == TEST_NUM ) {
printf ( "one good frame - data rate %d frame length %d\n",
BB11aDemodCtx.CF_11aRxVector::data_rate_kbps(),
BB11aDemodCtx.CF_11aRxVector::frame_length()
);
tts1 = SoraGetCPUTimestamp ( &tsinfo );
}
} else {
printf ( "error code: %08x \n", err );
}
test_count --;
if ( test_count == 0 ) {
tts2 = SoraGetCPUTimestamp ( &tsinfo );
fRunning = false;
// return false;
} else {
BB11aDemodCtx.Init ( (COMPLEX16*)InputBuf, (bCnt)*sizeof(COMPLEX16), OutputBuf, OUT_BUF_SIZE);
// return true;
}
}
return false;
}
int Test11B_FB_Demod()
{
printf ( "Demodulate 11b with Fine Brick!\n" );
ISource * ssrc = CreateDemodGraph ();
// int bCnt = LoadSoraDumpFile ( "c:\\11b-1M-1.dmp", (COMPLEX16*)InputBuf, IN_BUF_SIZE );
// int bCnt = LoadSoraDumpFile ( "d:\\noise.dmp", (COMPLEX16*)InputBuf, IN_BUF_SIZE );
int bCnt = LoadSoraDumpFile ( "d:\\test.dmp", (COMPLEX16*)InputBuf, IN_BUF_SIZE );
printf ( "Load sample %d\n", bCnt );
ULONGLONG ts1 = SoraGetCPUTimestamp ( &tsinfo );
for ( int i=0; i<100; i++) {
InitFBDemodContext ((COMPLEX16*)InputBuf, (bCnt)*sizeof(COMPLEX16), OutputBuf, OUT_BUF_SIZE);
ssrc->Reset ();
if ( BB11bDemodCtx.CF_Error::error_code() == E_ERROR_SUCCESS ) {
FB_11B_DemodBuffer (ssrc);
} else {
printf ( "Reset error!\n" );
}
}
ULONGLONG ts2 = SoraGetCPUTimestamp ( &tsinfo );
ulong& err = BB11bDemodCtx.CF_Error::error_code();
if ( err == E_ERROR_FRAME_OK ) {
printf ( "one good frame find!\n" );
} else {
printf ( "error code: %08x \n", err );
}
printf("Signal data rate: %dk\n",BB11bDemodCtx.CF_11bRxVector::data_rate_kbps() );
printf("Bytes decoded: %d\n", BB11bDemodCtx.CF_11bRxVector::frame_length() );
printf("Time cost average: %.3fus \n", SoraTimeElapsed (ts2-ts1, &tsinfo) * 1.0 / 1000 / 100 );
/*
if ( pArgs->pcOutFileName != NULL ) {
FILE* pOut = NULL;
#pragma warning (push)
#pragma warning (disable:4996)
pOut = fopen(pArgs->pcOutFileName, "w+b");
#pragma warning (pop)
if (!pOut)
{
printf("Cannot create output file.\n");
return -1;
}
fwrite( OutputBuf,
fb11bDemodCtx.CF_MPDU_Info::frame_len(),
1, pOut);
fclose(pOut);
}
*/
IReferenceCounting::Release (ssrc);
return 0;
}
int Test11A_FB_Demod()
{
printf ( "Demodulate 11a with Fine Brick!\n" );
// test usin/ucos
// int bCnt = LoadSoraDumpFile ( "c:\\11b-1M-1.dmp", (COMPLEX16*)InputBuf, IN_BUF_SIZE );
// int bCnt = LoadSoraDumpFile ( "d:\\noise.dmp", (COMPLEX16*)InputBuf, IN_BUF_SIZE );
// int bCnt = LoadSoraDumpFile ( "d:\\test-real.dmp", (COMPLEX16*)InputBuf, IN_BUF_SIZE );
// int bCnt = LoadSoraDumpFile ( "d:\\test-ideal.dmp", (COMPLEX16*)InputBuf, IN_BUF_SIZE );
bCnt = LoadSoraDumpFile ( "c:\\a48-40.dmp", (COMPLEX16*)InputBuf, IN_BUF_SIZE );
printf ( "Load sample %d\n", bCnt );
BB11aDemodCtx.Init ( (COMPLEX16*)InputBuf, (bCnt)*sizeof(COMPLEX16), OutputBuf, OUT_BUF_SIZE);
CreateDemodGraph11a (ssrc, svit);
fRunning = true;
ULONGLONG tts1 = SoraGetCPUTimestamp ( &tsinfo );
thread2 = AllocStartThread ( ViterbiThread, NULL );
thread1 = AllocStartThread ( RxThread, NULL );
while ( fRunning ) {
Sleep (1);
}
StopFreeThread (thread1 );
StopFreeThread (thread2 );
// printf("Signal data rate: %dk\n",BB11bDemodCtx.CF_11bRxVector::data_rate_kbps() );
// printf("Bytes decoded: %d\n", BB11bDemodCtx.CF_11bRxVector::frame_length() );
printf("Time cost average: %.3fus \n", SoraTimeElapsed (tts2-tts1, &tsinfo) * 1.0 / 1000 / (TEST_NUM-1));
printf ( "Total symbol %d!\n", BB11aDemodCtx.CF_11aRxVector::total_symbols() );
/*
if ( pArgs->pcOutFileName != NULL ) {
FILE* pOut = NULL;
#pragma warning (push)
#pragma warning (disable:4996)
pOut = fopen(pArgs->pcOutFileName, "w+b");
#pragma warning (pop)
if (!pOut)
{
printf("Cannot create output file.\n");
return -1;
}
fwrite( OutputBuf,
fb11bDemodCtx.CF_MPDU_Info::frame_len(),
1, pOut);
fclose(pOut);
}
*/
IReferenceCounting::Release (ssrc);
return 0;
}
// no_threads - number of threads to start
// User_Routines[no_threads] - pointers to functions to be started
// sizes[no_threads-1] - size of data structure to be held by each buffer (in bytes)
int StartThreads(ULONGLONG * ttstart,
ULONGLONG * ttend,
TIMESTAMPINFO *tsinfo,
int no_threads, PSORA_UTHREAD_PROC* User_Routines)
{
stop_program = 0;
bool init_error = false;
SetConsoleCtrlHandler(console_ctrl_handler, TRUE);
for (int i=0; i<no_threads; i++)
{
if (User_Routines[i] != NULL)
{
t_info[i].threadID = i;
t_info[i].fRunning = true;
threads[i] = AllocStartThread ( User_Routines[i], (void *) (t_info+i) );
if (threads[i] == NULL) init_error = true;
}
else
{
threads[i] = NULL;
}
}
// Start measuring time
*ttstart = SoraGetCPUTimestamp ( tsinfo );
if (!init_error)
{
bool not_finished = true;
while (not_finished)
{
// Threads will exit when stop_program = true
// So no need to close them explicitly
not_finished = false;
for (int i=0; i<no_threads; i++)
{
not_finished = not_finished || t_info[i].fRunning;
}
Sleep (1); // NB: not Sleep(100) (!!)
// Flush stdout to get any printout that could be out there
fflush(stdout);
/* Removed as it fails to compile with WinDDK
if (kbhit())
{
stop_program = 1;
}
*/
}
}
else
{
printf("Initialization error: couldn't start a thread!\n");
exit(1);
}
// Stop measuring time
*ttend = SoraGetCPUTimestamp ( tsinfo );
return no_threads;
}
int __ext_record_time_stop() {
ULONGLONG record_end_time = SoraGetCPUTimestamp(&measurementInfo.tsinfo);
printf("Elapsed(ns):%ul\n", record_end_time - record_time);
fflush(stdout);
return 0;
}
int __ext_record_time_start() {
record_time = SoraGetCPUTimestamp(&measurementInfo.tsinfo);
return 0;
}
// TODO: Once 64-bits numbers are supported convert this into getTime
// and return the time as a 64-bit number
int __ext_print_time() {
ULONGLONG time = SoraGetCPUTimestamp(&measurementInfo.tsinfo);
printf("%ul\n", time);
fflush(stdout);
return 0;
}