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Added MIN_FREQ define, MAX_FREQ now auto-defined as 192k, Native DSD enabled by default (if DSD enabled)

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This commit is contained in:
Ross Owen
2013-10-23 12:39:48 +01:00
parent d74bd15ed4
commit 538f6f3bf3
3 changed files with 47 additions and 23 deletions
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43
module_usb_audio/devicedefines.h
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@@ -29,10 +29,38 @@
#endif
#endif
#if (MAX_FREQ > 96000)
#define MAX_FREQ_A1 96000
#if !defined (DSD_CHANS_DAC)
#define DSD_CHANS_DAC 0
#else
#define MAX_FREQ_A1 MAX_FREQ
#define NATIVE_DSD 1 /* Always enable Native DSD when DSD mode is enabled */
#endif
/* Max supported sample freq for device */
#ifndef MAX_FREQ
#warning MAX_FREQ not defined! Using 192000
#define MAX_FREQ (192000)
#endif
/* Min supported sample freq for device */
#ifndef MIN_FREQ
#warning MIN_FREQ not defined! Using 44100
#define MIN_FREQ (44100)
#endif
#if ((MCLK_44 % MIN_FREQ) == 0)
#define MIN_FREQ_44 MIN_FREQ
#define MIN_FREQ_48 ((48000 * 512)/((44100 * 512)/MIN_FREQ))
#endif
#if ((MCLK_48 % MIN_FREQ) == 0)
#define MIN_FREQ_48 MIN_FREQ
#define MIN_FREQ_44 (((44100*512)/((48000 * 512)/MIN_FREQ))*2)
#endif
#if (MAX_FREQ > 96000)
#define MAX_FREQ_A1 96000
#else
#define MAX_FREQ_A1 MAX_FREQ
#endif
/* For Audio Class 1.0 we always have at most 2 channels */
@@ -144,16 +172,11 @@
#define SPDIF_TX_INDEX (0)
#endif
/* Max supported freq for device */
#ifndef MAX_FREQ
#warning MAX_FREQ not defined! Using 48000
#define MAX_FREQ (48000)
#endif
/* Default device freq */
#ifndef DEFAULT_FREQ
#warning DEFAULT not defined! Using MAX_FREQ
#define DEFAULT_FREQ (MAX_FREQ)
#warning DEFAULT not defined! Using 48000
#define DEFAULT_FREQ (48000)
#endif
/* Master clock defines (in Hz) */