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PDM mic resources no longer accessed globally

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xross
2018-04-04 18:01:52 +01:00
parent ae132c2e94
commit e378d70c4e
1 changed files with 3 additions and 9 deletions
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12
lib_xua/src/core/pdm_mics/pdm_mic.xc
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@@ -20,13 +20,7 @@
#define MAX_DECIMATION_FACTOR (96000/(MIN_FREQ/AUD_TO_MICS_RATIO)) #define MAX_DECIMATION_FACTOR (96000/(MIN_FREQ/AUD_TO_MICS_RATIO))
/* Hardware resources - declated in main.xc */ /* Build time sized microphone delay line */
extern in port p_pdm_clk;
extern in buffered port:32 p_pdm_mics;
extern clock clk_pdm;
#ifndef MIC_BUFFER_DEPTH #ifndef MIC_BUFFER_DEPTH
#define MIC_BUFFER_DEPTH 1 #define MIC_BUFFER_DEPTH 1
#endif #endif
@@ -220,7 +214,7 @@ void XUA_PdmBuffer(streaming chanend c_ds_output[2], chanend c_audio)
#error MAX_FREQ > 48000 NOT CURRENTLY SUPPORTED #error MAX_FREQ > 48000 NOT CURRENTLY SUPPORTED
#endif #endif
void xua_pdm_mic_config(in port p_pdm_mclk) 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)
{ {
/* Mics expect a clock in the 3Mhz range, calculate the divide based on mclk */ /* Mics expect a clock in the 3Mhz range, calculate the divide based on mclk */
/* e.g. For a 48kHz range mclk we expect a 3072000Hz mic clock */ /* e.g. For a 48kHz range mclk we expect a 3072000Hz mic clock */
@@ -238,7 +232,7 @@ void xua_pdm_mic_config(in port p_pdm_mclk)
start_clock(clk_pdm); start_clock(clk_pdm);
} }
void xua_pdm_mic(streaming chanend c_ds_output[2]) void xua_pdm_mic(streaming chanend c_ds_output[2], buffered in port:32 p_pdm_mics)
{ {
streaming chan c_4x_pdm_mic_0; streaming chan c_4x_pdm_mic_0;
#if (XUA_NUM_PDM_MICS > 4) #if (XUA_NUM_PDM_MICS > 4)