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GetADC counts used instead of inline code.

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This commit is contained in:
Ross Owen
2014-02-12 14:52:51 +00:00
parent cc0ddbf026
commit 8e60cfc77f
1 changed files with 1 additions and 18 deletions
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19
module_usb_audio/usb_buffer/usb_buffer.xc
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@@ -294,29 +294,12 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
/* Don't update things for DFU command.. */ /* Don't update things for DFU command.. */
if(sampleFreq != AUDIO_STOP_FOR_DFU) if(sampleFreq != AUDIO_STOP_FOR_DFU)
{ {
/* Tidy up double buffer, note we can do better than this for 44.1 etc but better /* Tidy up double buffer, note we can do better than this for 44.1 etc but better
* than sending two packets at old speed! */ * than sending two packets at old speed! */
if (usb_speed == XUD_SPEED_HS) GetADCCounts(sampleFreq, min, mid, max);
frameTime = 8000;
else
frameTime = 1000;
min = sampleFreq / frameTime;
max = min + 1;
mid = min;
/* Check for INT(SampFreq/8000) == SampFreq/8000 */
if((sampleFreq % frameTime) == 0)
{
min -= 1;
}
#ifdef FB_TOLERANCE_TEST #ifdef FB_TOLERANCE_TEST
expected_fb = ((sampleFreq * 0x2000) / frameTime); expected_fb = ((sampleFreq * 0x2000) / frameTime);
#endif #endif
asm("stw %0, dp[g_speed]"::"r"(mid << 16)); asm("stw %0, dp[g_speed]"::"r"(mid << 16));
if (usb_speed == XUD_SPEED_HS) if (usb_speed == XUD_SPEED_HS)