50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
/*******************************************************************
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File: audio.h
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Date: 9-September-2020
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Author: Peter Spindler
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********************************************************************/
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#ifndef _AUDIO_H_
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#define _AUDIO_H_
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#define OUTPUT_DEVICE_SPEAKER ((uint16_t)0x0001)
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#define OUTPUT_DEVICE_HEADPHONE ((uint16_t)0x0002)
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#define OUTPUT_DEVICE_BOTH ((uint16_t)0x0003)
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#define OUTPUT_DEVICE_AUTO ((uint16_t)0x0004)
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#define INPUT_DEVICE_DIGITAL_MICROPHONE_1 ((uint16_t)0x0100)
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#define INPUT_DEVICE_DIGITAL_MICROPHONE_2 ((uint16_t)0x0200)
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#define INPUT_DEVICE_INPUT_LINE_1 ((uint16_t)0x0300)
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#define INPUT_DEVICE_INPUT_LINE_2 ((uint16_t)0x0400)
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#define INPUT_DEVICE_DIGITAL_MIC1_MIC2 ((uint16_t)0x0800)
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#define CODEC_PDWN_HW 1
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#define CODEC_PDWN_SW 2
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#define AUDIO_MUTE_ON 1
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#define AUDIO_MUTE_OFF 0
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#define AUDIO_FREQUENCY_192K ((uint32_t)192000)
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#define AUDIO_FREQUENCY_96K ((uint32_t)96000)
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#define AUDIO_FREQUENCY_48K ((uint32_t)48000)
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#define AUDIO_FREQUENCY_44K ((uint32_t)44100)
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#define AUDIO_FREQUENCY_32K ((uint32_t)32000)
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#define AUDIO_FREQUENCY_22K ((uint32_t)22050)
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#define AUDIO_FREQUENCY_16K ((uint32_t)16000)
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#define AUDIO_FREQUENCY_11K ((uint32_t)11025)
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#define AUDIO_FREQUENCY_8K ((uint32_t)8000)
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#define AUDIO_OK ((uint8_t)0)
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#define AUDIO_ERROR ((uint8_t)1)
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#define AUDIO_TIMEOUT ((uint8_t)2)
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uint8_t Audio_Init(uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq );
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uint8_t Audio_SetFrequency( uint32_t AudioFreq );
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uint8_t Audio_SetVolume( uint8_t Volume );
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uint8_t Audio_Play( uint8_t *Buffer, uint32_t Size );
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uint8_t Audio_Pause( void );
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uint8_t Audio_Resume( void );
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uint8_t Audio_Stop( void );
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#endif
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