forked from PAWPAW-Mirror/lib_xua
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
// Copyright (c) 2011-2018, XMOS Ltd, All rights reserved
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#ifndef __XUA_AUDIOHUB_H__
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#define __XUA_AUDIOHUB_H__
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#if __XC__
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#include "xccompat.h"
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#include "xs1.h"
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#if XUA_USB_EN
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#include "dfu_interface.h"
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#endif
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/** The audio driver thread.
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*
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* This function drives I2S ports and handles samples to/from other digital
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* I/O threads.
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*
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* \param c_aud Audio sample channel connected to the mixer() thread or the
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* decouple() thread
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*
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* \param clk_audio_mclk Nullable clockblock to be clocked from master clock
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*
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* \param clk_audio_mclk Nullable clockblock to be clocked from i2s clock
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*
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* \param p_mclk_in Master clock inport port (must be 1-bit)
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*
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* \param p_lrclk Nullable port for I2S sample clock
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*
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* \param p_bclk Nullable port for I2S bit
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*
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* \param p_i2s_dac Nullable array of ports for I2S data output lines
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*
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* \param p_i2s_adc Nullable array of ports for I2S data input lines
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*
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* \param c_dig channel connected to the clockGen() thread for
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* receiving/transmitting samples
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*/
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void XUA_AudioHub(chanend ?c_aud,
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clock ?clk_audio_mclk,
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clock ?clk_audio_bclk,
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in port p_mclk_in,
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buffered _XUA_CLK_DIR port:32 ?p_lrclk,
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buffered _XUA_CLK_DIR port:32 ?p_bclk,
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buffered out port:32 (&?p_i2s_dac)[I2S_WIRES_DAC],
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buffered in port:32 (&?p_i2s_adc)[I2S_WIRES_ADC]
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#if (XUA_SPDIF_TX_EN) //&& (SPDIF_TX_TILE != AUDIO_IO_TILE)
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, chanend c_spdif_tx
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#endif
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#if((SPDIF_RX) || (ADAT_RX))
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, chanend c_dig
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#endif
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#if (XUD_TILE != 0) && (AUDIO_IO_TILE == 0) && (XUA_DFU_EN == 1)
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, server interface i_dfu ?dfuInterface
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#endif
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#if (XUA_NUM_PDM_MICS > 0)
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, chanend c_pdm_in
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#endif
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);
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void SpdifTxWrapper(chanend c_spdif_tx);
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/* These functions must be implemented for the CODEC/ADC/DAC arrangement of a specific design */
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/* Any required clocking and CODEC initialisation - run once at start up */
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/* TODO Provide default implementation of this */
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void AudioHwInit();
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/* Configure audio hardware (clocking, CODECs etc) for a specific mClk/Sample frquency - run on every sample frequency change */
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/* TODO Provide default implementation of this */
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void AudioHwConfig(unsigned samFreq, unsigned mClk, unsigned dsdMode,
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unsigned sampRes_DAC, unsigned sampRes_ADC);
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#endif // __XC__
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void UserBufferManagementInit();
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void UserBufferManagement(unsigned sampsFromUsbToAudio[], unsigned sampsFromAudioToUsb[]);
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#endif // __XUA_AUDIOHUB_H__
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