void main (int argc, char *argv[])
{
unsigned short buf[16000];
int audio_fd, i, j, k;
audio_fd = audioOpen (16000);
audioStartRecord ();
for (i = 0; i < 5; i++) {
/* simulate compute for a while */
for (j = 0; j < 200000; j++);
/* read whatever accumulated data is available, upto 16k max */
k = read (audio_fd, buf, 16000*sizeof(short));
/* print some of the new data */
printf (" %5d", k);
for (j = 0; j < 20; j++)
printf (" %04x", buf[j]);
printf ("\n");
fflush (stdout);
}
/* simulate compute for a while and stop recording */
for (j = 0; j < 1000000; j++);
audioStopRecord ();
/* read whatever accumulated data is available, upto 16k max */
k = read (audio_fd, buf, 16000*sizeof(short));
printf (" %5d\n", k);
audioClose ();
}
int32 ad_start_rec (ad_rec_t *r)
{
if (r->recording)
return -1;
audioStartRecord ();
r->recording = 1;
return 0;
}
void record_to_file(INT choose,INT ch)
{
INT hFile;
INT nWriteBytes, nTotalBytes = 0;
INT nTime0;
INT8 bAsciiFileName[20] = "c:\\record.pcm";
INT8 bUnicodeFileName[40];
INT ntick0;
_uPcmQHead = _uPcmQTail = 0;
fsAsciiToUnicode(bAsciiFileName, bUnicodeFileName, TRUE);
hFile = fsOpenFile(bUnicodeFileName,NULL, O_CREATE);
if (hFile < 0)
{
printf("Can't open playback file%d!\n",hFile);
return;
}
printf("Start record...\n");
#if defined( TEST_I2S ) || defined (TEST_UDA1345TS)
if (choose%11025==0){
/* 16.934Mhz */
outpw(REG_APLLCON, 0x642D);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x300000);
}
else{
/* 12.288Mhz */
outpw(REG_APLLCON, 0x6529);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x300000);
}
#endif
#if defined (TEST_WM8978)
#if 0
if (choose==32000)//8.192Mhz
{
outpw(REG_APLLCON, 0x6529);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x500000);
}
else if (choose%8000==0 || choose%12000==0){//12.288Mhz
outpw(REG_APLLCON, 0x6529);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x300000);
}
else if (choose%11025==0){//11.289Mhz
outpw(REG_APLLCON, 0x652f);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x400000);
}
#else
if (choose%8000==0 || choose%12000==0){//24.576Mhz
outpw(REG_APLLCON, 0x6529);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x100000);
}
else if (choose%11025==0){//22.579Mhz
outpw(REG_APLLCON, 0x642d);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x200000);
}
#endif
#endif
audioRecConfigMono(1);
audioStartRecord(record_callback, choose, ch);
//audioSetRecordVolume(31,31);
nTime0 = ntick0 = sysGetTicks(TIMER1);
while (1)
{
if (sysGetTicks(TIMER1) - nTime0 >= 100)
{
nTime0 = sysGetTicks(TIMER1);
printf("H=%d, T=%d\n", _uPcmQHead/1024, _uPcmQTail/1024);
}
if ((_uPcmQHead > _uPcmQTail) ||
((_uPcmQHead < _uPcmQTail) && (_uPcmQTail - _uPcmQHead > 64*1024)))
{
fsWriteFile(hFile, &_pucPcmQueue[_uPcmQHead], 64*1024, &nWriteBytes);
if (nWriteBytes > 0)
_uPcmQHead = (_uPcmQHead + nWriteBytes) % PCM_QUEUE_LEN;
else
break;
if (sysGetTicks(TIMER1) - ntick0 >= 1000)
break;
}
}
fsCloseFile(hFile);
audioStopRecord();
}
void audio_loopback_demo(INT choose,INT ch,INT format)
{
INT nTime0,nTime1,nVol=20;
_uPcmQHead = _uPcmQTail = 0;
#if defined( TEST_I2S ) || defined(TEST_UDA1345TS)
if (choose%11025==0){
/* 16.934Mhz */
outpw(REG_APLLCON, 0x642D);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x300000);
}
else{
/* 12.288Mhz */
outpw(REG_APLLCON, 0x6529);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x300000);
}
#endif
#if defined (TEST_WM8978)
#if 0
if (choose==32000)//8.192Mhz
{
outpw(REG_APLLCON, 0x6529);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x500000);
}
else if (choose%8000==0 || choose%12000==0){//12.288Mhz
outpw(REG_APLLCON, 0x6529);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x300000);
}
else if (choose%11025==0){//11.289Mhz
outpw(REG_APLLCON, 0x652f);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x400000);
}
#else
if (choose%8000==0 || choose%12000==0){//24.576Mhz
outpw(REG_APLLCON, 0x6529);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x100000);
}
else if (choose%11025==0){//22.579Mhz
outpw(REG_APLLCON, 0x642d);
outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x200000);
}
#endif
#endif
#if 1
while(1){
_uPcmQTail = _uPcmQHead = 0;
printf("Start record...\n");
audioStartRecord(record_callback, choose, ch);
audioSetRecordVolume(nVol,nVol);
nTime1 = nTime0 = sysGetTicks(TIMER1);
while (_uPcmQTail < PCM_QUEUE_LEN - 4096)
{
if (inpb(REG_COM_LSR) & 0x01) /* check key press */
{
CHAR cmd = inpb(REG_COM_RX);
if (cmd=='1')
{
if (--nVol<=0)
nVol=0;
audioSetRecordVolume(nVol,nVol);
printf("vol=%d\n",nVol);
}else if (cmd=='2')
{
if (++nVol>=31)
nVol=31;
audioSetRecordVolume(nVol,nVol);
printf("vol=%d\n",nVol);
}
}
if (sysGetTicks(TIMER1) - nTime0 >= 100)
{
nTime0 = sysGetTicks(TIMER1);
printf("H=%d, T=%d\n", _uPcmQHead/1024, _uPcmQTail/1024);
}
}
audioStopRecord();
printf("Start play...\n");
audioStartPlay(play_callback, choose, ch);
audioSetPlayVolume(30,30);
nTime1 = nTime0 = sysGetTicks(TIMER1);
while (_uPcmQHead < PCM_QUEUE_LEN - 4096 )
{
if (sysGetTicks(TIMER1) - nTime0 >= 100)
{
nTime0 = sysGetTicks(TIMER1);
printf("H=%d, T=%d\n", _uPcmQHead/1024, _uPcmQTail/1024);
}
}
audioStopPlay();
_uPcmQTail = _uPcmQHead = 0;
}
#endif
#if 1
audioStartRecord(record_callback, choose, ch);
audioSetRecordVolume(31,31);
while (_uPcmQTail- _uPcmQHead <= 1024);
audioStartPlay(play_callback, choose, ch);
audioSetPlayVolume(20,20);
//while(audioWriteData(50,0x1)!=0);
//while(audioWriteData(51,0x1)!=0);
while(1){
if (sysGetTicks(TIMER1) - nTime0 >= 100)
{
nTime0 = sysGetTicks(TIMER1);
printf("H=%d, T=%d\n", _uPcmQHead/1024, _uPcmQTail/1024);
}
}
#endif
}
