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simplified sample freq list

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Ross Owen
2013-05-10 16:18:34 +01:00
parent c0398c33fe
commit 87154e3159
1 changed files with 30 additions and 47 deletions
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77
module_usb_audio/endpoint0/audiorequests.xc
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@@ -787,58 +787,41 @@ int AudioClassRequests_2(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, c
case CS_SAM_FREQ_CONTROL: case CS_SAM_FREQ_CONTROL:
/* Currently always return all freqs for all clocks */ /* Currently always return all freqs for all clocks */
//switch(unitID) {
//{ int num_freqs = 0;
// case ID_CLKSRC_INT: int i = 2;
// case ID_CLKSRC_EXT: int currentFreq44 = 44100;
int currentFreq48 = 48000;
{ while(1)
int num_freqs = 0; {
int i = 2; if(currentFreq48 <= MAX_FREQ)
{
#if MAX_FREQ >= 44100 /* Note i passed byref here */
storeFreq(buffer, i, 44100); storeFreq(buffer, i, currentFreq48);
num_freqs++; num_freqs++;
#endif currentFreq48*=2;
#if MAX_FREQ >= 48000 storeFreq(buffer, i, currentFreq44);
storeFreq(buffer, i, 48000); num_freqs++;
num_freqs++; currentFreq44*=2;
#endif }
#if MAX_FREQ >= 88200 else if(currentFreq44 <= MAX_FREQ)
storeFreq(buffer, i, 88200); {
num_freqs++; storeFreq(buffer, i, currentFreq44);
#endif num_freqs++;
#if MAX_FREQ >= 96000 currentFreq44*=2;
storeFreq(buffer, i, 96000); }
num_freqs++; else
#endif break;
#if MAX_FREQ >= 176400 }
storeFreq(buffer, i, 176400); storeShort(buffer, 0, num_freqs);
num_freqs++;
#endif
#if MAX_FREQ >= 192000
storeFreq(buffer, i, 192000);
num_freqs++;
#endif
#if MAX_FREQ >= 352800
storeFreq(buffer, i, 352800);
num_freqs++;
#endif
#if MAX_FREQ >= 384000
storeFreq(buffer, i, 384000);
num_freqs++;
#endif
storeShort(buffer, 0, num_freqs);
// break;
//}
return XUD_DoGetRequest(ep0_out, ep0_in, buffer, i, sp.wLength); return XUD_DoGetRequest(ep0_out, ep0_in, buffer, i, sp.wLength);
} }
break; break;
default: default:
//Unknown Control Selector in Clock Source Range Request //Unknown Control Selector in Clock Source Range Request
break; break;
} }
break; break;