///////////////////////////////////////////////////////////////////////////////////////////////////////////
//用户任务2
void task2(void)
{
OS_ERR err;
unsigned int add=0;
Time1_Config();//定时器1输出测试频率
Time2_Config();//计时单元，用于测量频率
Time3_Config(); //用于激发振弦
Time4_Config();//tim4 外部引脚做为外部时钟出发计数
Nvic_Config();//优先级
while(1)
{
// //TranPulse(15000,3);//发射10个500hz的脉冲
// if(IsPulseOn() == 1)//传感器是否起振
// {TranPulse(Measure(),7);}//测量频率，并且输出到pwm
// TranPulse(8000+add,10);
// OSTimeDlyHMSM(0,0,0,10,OS_OPT_TIME_DLY,&err);
// TranPulse(6000+add,10);
// OSTimeDlyHMSM(0,0,0,10,OS_OPT_TIME_DLY,&err);
// TranPulse(4000+add,10);
// OSTimeDlyHMSM(0,0,0,10,OS_OPT_TIME_DLY,&err);
// TranPulse(2400+add,10);
GetFreq();
//OSTimeDlyHMSM(0,0,1,0,OS_OPT_TIME_DLY,&err);
// add += 200;
// if(add == 2000)
// {add = 0;}
}
}
bool
libname::COggStreamSample::Load( const char *szFilename )
{
vorbis_info * pInfo;
if ( !m_pFile )
m_pFile = fopen( szFilename, "rb");
if( ov_open_callbacks( m_pFile , &m_OggFile, NULL, 0, OV_CALLBACKS_DEFAULT) < 0)
{
cerr << "Input does not appear to be an Ogg bitstream." << endl;
return false;
}
pInfo = ov_info(&m_OggFile,-1);
SetNumChannels( pInfo->channels); // number of channels
SetFreq( pInfo->rate); // The frequency of the sampling rate
// Check the number of channels... always use 16-bit samples
if (GetNumChannels() == 1)
SetFormat( AL_FORMAT_MONO16 );
else
SetFormat( AL_FORMAT_STEREO16 );
cerr << "Freq: " << GetFreq() << endl;
cerr << "Channels: " << GetNumChannels() << endl;
cerr << "Encoded: " << ov_comment(&m_OggFile,-1)->vendor << endl;
m_lFileSize = ov_raw_total( &m_OggFile, -1);
return true;
}
void DspOscillator::_BuildLookup()
{
float posFrac = _lookupLength <= 0 ? 0 : (float)_lastPos / (float)_lookupLength;
float angleInc = TWOPI * GetFreq() / GetSampleRate();
_lookupLength = (int)((float)GetSampleRate() / GetFreq());
_signal.resize(GetBufferSize());
_signalLookup.resize(_lookupLength);
for (int i = 0; i < _lookupLength; i++)
{
_signalLookup[i] = sin(angleInc * i) * GetAmpl();
}
_lastPos = (int)(posFrac * (float)_lookupLength + 0.5f); // calculate new position (round up)
}
sU32 RangeCoder::DecodePlain(sU32 max)
{
sU32 v;
v = GetFreq(max);
Decode(v,1);
return v;
}
bool
libname::COggStreamSample::Stream( ALuint buffer )
{
if ( !m_pFile ) return false;
bool done = false;
int current_section;
long readBytes = 0;
while( readBytes < BUFFER_SIZE )
{
long ret=ov_read(&m_OggFile, m_pBufferData+readBytes, BUFFER_SIZE-readBytes,
OGG_LITTLE_ENDIAN, PCM_SAMPLE_16BIT, SIGNED_DATA, ¤t_section);
if (ret == 0) done=1;
else if (ret < 0)
{
throw std::string( "error in stream");
}
else
{
readBytes+=ret;
}
}
//cerr << "read from stream :" << readBytes << endl;
// if there was no more data to be read, stop.
if ( ov_raw_tell(&m_OggFile) >= m_lFileSize-1 )
{
m_bHasEnded = true;
}
if ( readBytes == 0 )
{
return false;
}
// Upload sound data to buffer
alBufferData( buffer, GetFormat(), m_pBufferData, readBytes, GetFreq());
ALenum error = alGetError();
if ( error != AL_NO_ERROR )
{
cerr << __FUNCTION__ << GetOpenALErrorString(error) << endl;
return false;
}
return true;
}
void task3(void)
{
OS_ERR err;
BoardGPIOConfig();//IO口
UsartConfig();//串口设置配置
Nvic_Config();
SW_12V(1);//电源
SW_5V(1);//正负电源，用于检测回波Z
FreqModuleInit();//测频率模块初始化
GetFreq(1);
while(1)
{
// OSTimeDlyHMSM(0,0,500,0,OS_OPT_TIME_DLY,&err);
// printf("SCT200T15002-Channel: 1 FREQUENCY:%f\r\n",GetFreq(1));
// printf("SCT200T15002-Channel: 2 FREQUENCY:%f\r\n",GetFreq(2));
// printf("SCT200T15002-Channel: 3 FREQUENCY:%f\r\n",GetFreq(3));
// printf("SCT200T15002-Channel: 4 FREQUENCY:%f\r\n",GetFreq(4));
OSTimeDlyHMSM(0,0,0,10,OS_OPT_TIME_DLY,&err);
if(UploadFlag == 1)//确认需要上传数据了
{
FreqModuleInit();//测频率模块初始化
GetFreq(1);
printf("%s",aaa);
printf("SCT200T15003-2015/7/8/Wednesday-15-36-9\r\n");
printf("SCT200T15003-ID=0x87031923 53578748 66eff48\r\n");
printf("SCT200T15003-Mode = 10 minutes Internal\r\n");
printf("SCT200T15003-Current voltage = 10.90V\r\n");
printf("SCT200T15003-Channel: 1 Temperature :34.47\r\n");
printf("SCT200T15003-Channel: 2 Temperature :34.43\r\n");
printf("SCT200T15003-Channel: 3 Temperature :30.40\r\n");
printf("SCT200T15003-Channel: 4 Temperature :25.90\r\n");
printf("SCT200T15003-Channel: 1 FREQUENCY:%f\r\n",GetFreq(1));
printf("SCT200T15003-Channel: 2 FREQUENCY:%f\r\n",GetFreq(2));
printf("SCT200T15003-Channel: 3 FREQUENCY:%f\r\n",GetFreq(3));
printf("SCT200T15003-Channel: 4 FREQUENCY:%f\r\n",GetFreq(4));
printf("%s",bbb);
UploadFlag = 0;
SW_12V(0);//电源
SW_5V(0);//正负电源，用于检测回波
OSTimeDlyHMSM(0,0,0,500,OS_OPT_TIME_DLY,&err);
ConfigPINToListen();
PWR_EnterSTOPMode(PWR_Regulator_ON,PWR_STOPEntry_WFI);
SetClock();//配置各级CPU时钟
BoardGPIOConfig();//IO口
SW_12V(1);//电源
SW_5V(1);//正负电源，用于检测回波
OSTimeDlyHMSM(0,0,0,500,OS_OPT_TIME_DLY,&err);
UsartConfig();//串口设置配置
Nvic_Config();
}
}
}
u64 Timer::GetTimeUs()
{
#ifdef _WIN32
LARGE_INTEGER time;
static double freq = GetFreq();
QueryPerformanceCounter(&time);
return u64(double(time.QuadPart) * freq);
#elif defined __APPLE__
struct timeval t;
(void)gettimeofday(&t, nullptr);
return ((u64)(t.tv_sec * 1000000 + t.tv_usec));
#else
struct timespec t;
(void)clock_gettime(CLOCK_MONOTONIC, &t);
return ((u64)(t.tv_sec * 1000000 + t.tv_nsec / 1000));
#endif
}
int WINAPI WinMain(HINSTANCE hInstance, // handle to current instance
HINSTANCE hPrevInstance, // handle to previous instance
LPWSTR lpCmdLine, // pointer to command line
int nCmdShow) // show state of window
{
DWORD VerMaj, VerMin, Build;
DWORD coreFreqMHz, coreFreq;
MULTCFG mcfg;
FRQTEGClocks tegClocks;
DWORD dfsState;
FRQGetLibVersion(&VerMaj, &VerMin, &Build);
printf("FreqLibDemo Application. FreqLibVersion: %d.%d.%d\r\n", VerMaj, VerMin, Build);
printf("**********************************************\r\n\r\n");
if (GetSoCType() == PXA)
{
mcfg = GetFreq();
CalcSystemFreq(mcfg, &coreFreq, NULL, NULL, NULL, NULL, NULL, NULL);
printf("CPU running @ %dMHz\r\n", coreFreq / 1000000);
printf("Enter new speed in MHz (104 - 806): ");
scanf("%d", &coreFreqMHz);
if (coreFreqMHz < 208)
{ // set to 104MHz
mcfg.l = 8;
mcfg.n = 1;
}
else if (coreFreqMHz < 416)
{ // set to 208MHz
mcfg.l = 16;
mcfg.n = 1;
}
else if (coreFreqMHz < 624)
{ // set to 416MHz
mcfg.l = 16;
mcfg.n = 2;
}
else if (coreFreqMHz < 806)
{ // set to 624MHz
mcfg.l = 24;
mcfg.n = 2;
}
else
{ // set to 806MHz
mcfg.l = 31;
mcfg.n = 2;
}
SetFreq(mcfg);
printf("Changed CPU Speed to %dMHz\r\n\r\n", 13 * mcfg.l * mcfg.n);
}
else
{
FRQInit();
// print intial clock frequencies
Sleep(1000); // idle, will cause the system to throttle clocks down
printf ("-- Initial Clock Frequencies --\r\n");
FRQGetTEGClocks(&tegClocks);
dfsState = FRQGetTEGDFSState();
Tegra_PrintClocks(tegClocks, dfsState);
// boost frequencies and print the new values
printf ("\r\n-- Clock Frequencies With Boost Active --\r\n");
TegFrq_Boost(busyHints, 4, TegDfsBusyHintSyncMode_Sync);
Sleep(1000); // idle, system clocks still remain at the boosted frequencies.
FRQGetTEGClocks(&tegClocks);
dfsState = FRQGetTEGDFSState();
Tegra_PrintClocks(tegClocks, dfsState);
// turn boosting off and print clocks again
printf ("\r\n-- Clock Frequencies After Turning Boost Off --\r\n");
TegFrq_Boost(busyHintsOff, 4, TegDfsBusyHintSyncMode_Sync);
Sleep(1000); // Give the system some time to throttle down the clock
FRQGetTEGClocks(&tegClocks);
dfsState = FRQGetTEGDFSState();
Tegra_PrintClocks(tegClocks, dfsState);
FRQDeInit();
}
// done...
printf("Press Enter to close.\r\n");
getchar();
return(TRUE);
}
