Files
lib_xua/lib_xua/api/xua_pdm_mic.h
2018-04-04 18:02:16 +01:00

52 lines
1.3 KiB
C

// Copyright (c) 2015-2018, XMOS Ltd, All rights reserved
#ifndef XUA_PDM_MIC_H
#define XUA_PDM_MIC_H
/* Included from lib_mic_array */
#include "mic_array.h"
/* Configures PDM ports/clocks */
void xua_pdm_mic_config(in port p_pdm_mclk, in port p_pdm_clk, buffered in port:32 p_pdm_mics, clock clk_pdm);
#ifdef MIC_PROCESSING_USE_INTERFACE
/* Interface based user processing */
typedef interface mic_process_if
{
void transfer_buffers(mic_array_frame_time_domain * unsafe audio);
void init();
} mic_process_if;
[[combinable]]
void XUA_PdmBuffer(streaming chanend c_ds_output[2], chanend c_audio
#ifdef MIC_PROCESSING_USE_INTERFACE
, client mic_process_if i_mic_process
#endif
);
[[combinable]]
void user_pdm_process(server mic_process_if i_mic_data);
/* PDM interface and decimation cores */
void xua_pdm_mic(streaming chanend c_ds_output[2], buffered in port:32 p_pdm_mics);
#else
/* Simple user hooks/call-backs */
void user_pdm_process(mic_array_frame_time_domain * unsafe audio);
void user_pdm_init();
/* PDM interface and decimation cores */
[[combinable]]
void XUA_PdmBuffer(streaming chanend c_ds_output[2], chanend c_audio);
/* PDM interface and decimation cores */
void xua_pdm_mic(streaming chanend c_ds_output[2], buffered in port:32 p_pdm_mics);
#endif
#endif