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added toplevel makefile for xpd

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dan
2014-01-22 11:00:41 +00:00
parent 7c42307440
commit 98b3bdba95
47 changed files with 2789 additions and 2778 deletions
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14
module_usb_audio/usb_buffer/get_adc_counts.c
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@@ -1,9 +1,9 @@
extern unsigned int g_curUsbSpeed;
#define XUD_SPEED_HS 2
/* Returns the max and min packet sizes to send back to host for a given sample frequency
* See page 13 of USB Audio Device Class Definitions for Audio Data Formats Spec (v2.0)
*
/* Returns the max and min packet sizes to send back to host for a given sample frequency
* See page 13 of USB Audio Device Class Definitions for Audio Data Formats Spec (v2.0)
*
* Audio samples per frame = INT(sampFreq/frametime); Variation allowed is + 1;
*
* For HS frame time = 8 * 1000
@@ -16,7 +16,7 @@ extern unsigned int g_curUsbSpeed;
*
* Note: Assumes HS (i.e. 8 frames per 1ms)
*
* Examples:
* Examples:
* 44100: min: 5 max: 6
* 48000: min: 5 max: 7
* 96000: min: 11 max: 13
@@ -30,9 +30,9 @@ void GetADCCounts(unsigned samFreq, int *min, int *mid, int *max)
unsigned frameTime;
int usb_speed;
usb_speed = g_curUsbSpeed;
if (usb_speed == XUD_SPEED_HS)
if (usb_speed == XUD_SPEED_HS)
frameTime = 8000;
else
else
frameTime = 1000;
*min = samFreq / frameTime;
@@ -40,7 +40,7 @@ void GetADCCounts(unsigned samFreq, int *min, int *mid, int *max)
*mid = *min;
/* Check for INT(SampFreq/8000) == SampFreq/8000 */
/* Check for INT(SampFreq/8000) == SampFreq/8000 */
if((samFreq % frameTime) == 0)
{
*min -= 1;