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Fix to feedback factor range fix

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This commit is contained in:
Ross Owen
2015-11-17 15:22:33 +00:00
parent ae6720d0ed
commit 2130da665e
2 changed files with 3 additions and 3 deletions
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2
module_usb_audio/endpoint0/audiorequests.xc
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@@ -46,7 +46,7 @@ extern unsigned char mixSel[MAX_MIX_COUNT][MIX_INPUTS];
/* Global var for current frequency, set to default freq */
unsigned int g_curSamFreq = DEFAULT_FREQ;
unsigned int g_curSamFreq48000Family = DEFAULT_FREQ % 48000 == 0;
unsigned int g_curSamFreqMultiplier = DEFAULT_FREQ / (DEFAULT_MCLK_FREQ / 512);
unsigned int g_curSamFreqMultiplier = (DEFAULT_FREQ * 512 * 4) / (DEFAULT_MCLK_FREQ);
/* Store an int into a char array: Note this allows non-word aligned access unlike reinerpret cast */
static void storeInt(unsigned char buffer[], int index, int val)

4
module_usb_audio/usb_buffer/usb_buffer.xc
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@@ -161,7 +161,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in,
#endif
unsigned u_tmp;
unsigned sampleFreq = 0;
unsigned lastClock;
unsigned lastClock = 0;
unsigned clocks = 0;
@@ -410,7 +410,7 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in,
/* Number of MCLKS this SOF, approx 125 * 24 (3000), sample by sample rate */
GET_SHARED_GLOBAL(cycles, g_curSamFreqMultiplier);
cycles = ((int)((short)(u_tmp - lastClock))) * cycles;
cycles >>= 2; /* /4 */
cycles = (int) cycles >> 2; /* /4 */
/* Any odd bits (lower than 16.23) have to be kept seperate */
remnant += cycles & mask;