conf_audio_player.h File Reference

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Detailed Description

Audio player configuration file.

• Compiler: IAR EWAVR32 and GNU GCC for AVR32
• Supported devices: All AVR32 devices can be used.
• AppNote:

Author:

Atmel Corporation: http://www.atmel.com
Support and FAQ: http://support.atmel.no/

Definition in file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#include "audio_mixer.h"
#include <avr32/io.h>
#include "board.h"

Go to the source code of this file.

Defines
#define	DEFAULT_HEAP_INIT_WORD   0xA5A5A5A5
	Default heap initialization word.
#define	WDT_TIMEOUT_PERIOD_US   15000000
	Time-out period of the WatchDog Timer in microseconds.
Default DAC Settings
Please choose beetween: AUDIO_MIXER_DAC_AIC23B (external DAC mounted on EVK1105 board) AUDIO_MIXER_DAC_ABDAC (internal ABDAC with external amplifier tap6130 on EVK1105 and EVK1104)
#define	DEFAULT_DAC_BITS_PER_SAMPLE   16
#define	DEFAULT_DAC_NUM_CHANNELS   2
#define	DEFAULT_DAC_SAMPLE_RATE_HZ   SPEAKER_FREQUENCY
#define	DEFAULT_DAC_SWAP_CHANNELS   FALSE
#define	DEFAULT_DACS   AUDIO_MIXER_DAC_AIC23B
System Clock Frequencies
#define	FCPU_HZ   g_fcpu_hz
#define	FHSB_HZ   g_fhsb_hz
#define	FMCK_HZ(fout)   ((SYS_CLOCK_PLL_MUL * (fout) + 1) / 2)
#define	FPBA_HZ   g_fpba_hz
#define	FPBB_HZ   g_fpbb_hz
#define	SYS_CLOCK_PLL_MUL   10
Method used for the USB resynchronization
Please choose beetween: USB_RESYNC_METHOD_SOFT_ADD_DEL_SAMPLES (Add/remove samples on the fly) USB_RESYNC_METHOD_SOFT_ADAPTIF_SRC (Pseudo adaptif Sampling Rate Conversion) USB_RESYNC_METHOD_EXT_CLOCK_SYNTHESIZER (Use of an external clock synthesizer (e.g. the CL CS2200))
#define	USB_RESYNC_METHOD   USB_RESYNC_METHOD_EXT_CLOCK_SYNTHESIZER
Variables
U32	g_fcpu_hz
	CPU frequency.
U32	g_fhsb_hz
	HSB frequency.
U32	g_fpba_hz
	PBA frequency.
U32	g_fpbb_hz
	PBB frequency.

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Define Documentation

#define DEFAULT_DAC_BITS_PER_SAMPLE   16

Definition at line 97 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define DEFAULT_DAC_NUM_CHANNELS   2

Definition at line 96 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define DEFAULT_DAC_SAMPLE_RATE_HZ   SPEAKER_FREQUENCY

Definition at line 95 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define DEFAULT_DAC_SWAP_CHANNELS   FALSE

Definition at line 98 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define DEFAULT_DACS   AUDIO_MIXER_DAC_AIC23B

Definition at line 94 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define DEFAULT_HEAP_INIT_WORD   0xA5A5A5A5

Default heap initialization word.

Definition at line 79 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define FCPU_HZ   g_fcpu_hz

Definition at line 60 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define FHSB_HZ   g_fhsb_hz

Definition at line 61 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define FMCK_HZ

(

fout

)

((SYS_CLOCK_PLL_MUL * (fout) + 1) / 2)

Definition at line 59 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define FPBA_HZ   g_fpba_hz

Definition at line 63 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define FPBB_HZ   g_fpbb_hz

Definition at line 62 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define SYS_CLOCK_PLL_MUL   10

Definition at line 58 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define USB_RESYNC_METHOD   USB_RESYNC_METHOD_EXT_CLOCK_SYNTHESIZER

Definition at line 107 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

#define WDT_TIMEOUT_PERIOD_US   15000000

Time-out period of the WatchDog Timer in microseconds.

Warning:

Do not choose a value smaller than the normal maximal time that can be spent between two consecutive calls of com_task().

Definition at line 85 of file AUDIO_EXAMPLE_CLOCK_SYNTHESIZER/AT32UC3A0512_EVK1105/conf_audio_player.h.

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Variable Documentation

U32 g_fcpu_hz

CPU frequency.

Referenced by init_sys_clocks().

U32 g_fhsb_hz

HSB frequency.

Referenced by init_sys_clocks().

U32 g_fpba_hz

PBA frequency.

Referenced by init_sys_clocks().

U32 g_fpbb_hz

PBB frequency.

Referenced by init_sys_clocks().