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MAX_FREQ_A1 define now MAX_FREQ_FS. Also limited to 48k when input and output enabled (96k otherwise)

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This commit is contained in:
Ross Owen
2014-01-22 21:53:57 +00:00
parent 76d60ceb5b
commit 98cf4a3208
1 changed files with 16 additions and 9 deletions
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25
module_usb_audio/devicedefines.h
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@@ -60,12 +60,6 @@
#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 and Full-speed Audio 2.0 we always have at most 2 channels */
#if (NUM_USB_CHAN_OUT > 2)
#define NUM_USB_CHAN_OUT_FS (2)
@@ -79,9 +73,22 @@
#define NUM_USB_CHAN_IN_FS (NUM_USB_CHAN_IN)
#endif
/* Channel count defines for Audio 1.0 mode */
//#define NUM_USB_CHAN_OUT_A1 (NUM_USB_CHAN_OUT_FS)
//#define NUM_USB_CHAN_IN_A1 (NUM_USB_CHAN_IN_FS)
/* Apply sample-rate restrictions to full-speed operation */
#if (NUM_USB_CHAN_OUT_FS > 0) && (NUM_USB_CHAN_IN_FS > 0)
#if(MAX_FREQ > 48000)
#define MAX_FREQ_FS 48000
#else
#define MAX_FREQ_FS MAX_FREQ
#endif
#else
#if (MAX_FREQ > 96000)
#define MAX_FREQ_FS 96000
#else
#define MAX_FREQ_FS MAX_FREQ
#endif
#endif
#if defined(IO_EXPANSION) && (IO_EXPANSION == 0)