Move function prototypes to headers

examples/xua_lite_example/src/app_xua_lite.xc

@@ -13,6 +13,9 @@
 #include "mic_array.h"
 #include "XUA_Buffer_lite.h"
 #include "xua_ep0_wrapper.h"
+#include "pdm_mic.h"
+#include "audio_config.h"
+#include "audio_hub.h"
 
 #define DEBUG_UNIT XUA_APP
 #define DEBUG_PRINT_ENABLE_XUA_APP 1
@@ -58,13 +61,6 @@ on tile[0]: clock pdmclk6                    = XS1_CLKBLK_5;
 XUD_EpType epTypeTableOut[]   = {XUD_EPTYPE_CTL | XUD_STATUS_ENABLE, XUD_EPTYPE_ISO};
 XUD_EpType epTypeTableIn[]    = {XUD_EPTYPE_CTL | XUD_STATUS_ENABLE, XUD_EPTYPE_ISO, XUD_EPTYPE_ISO};
 
-[[distributable]]
-void AudioHub(server i2s_frame_callback_if i2s, streaming chanend c_audio, streaming chanend (&?c_ds_output)[1]);
-void setup_audio_gpio(out port p_gpio);
-void AudioHwConfigure(unsigned samFreq, client i2c_master_if i_i2c);
-void pdm_mic(streaming chanend c_ds_output, in buffered port:32 p_pdm_mics);
-void mic_array_setup_ddr_xcore(clock pdmclk, clock pdmclk6, out port p_pdm_clk, buffered in port:32 p_pdm_data, int divide);
-
 void burn_normal_priority(void){
     while(1);
 }

examples/xua_lite_example/src/audio_config.h

@@ -3,6 +3,6 @@
 
 void AudioHwConfigure(unsigned samFreq, client i2c_master_if i_i2c);
 void pll_nudge(int nudge);
-
+void setup_audio_gpio(out port p_gpio);
 
 #endif

examples/xua_lite_example/src/audio_config.xc

@@ -50,8 +50,6 @@
 // TLV320DAC3101 easy register access defines
 #define DAC3101_REGWRITE(reg, val) {i_i2c.write_reg(DAC3101_I2C_DEVICE_ADDR, reg, val);}
 
-
-
 static void set_node_pll_reg(tileref tile_ref, unsigned reg_val){
     write_sswitch_reg(get_tile_id(tile_ref), XS1_SSWITCH_PLL_CTL_NUM, reg_val);
 }
@@ -89,6 +87,14 @@ void pll_nudge(int nudge) {
     //if(nudge != old_nudge && nudge){debug_printf("nudge: %d\n", nudge); }old_nudge = nudge;
 }
 
+void setup_audio_gpio(out port p_gpio){
+  // Reset DAC and disable MUTE
+  p_gpio <: 0x0;
+  delay_milliseconds(1);
+  p_gpio <: 0x1;
+  delay_milliseconds(1);
+}
+
 void AudioHwConfigure(unsigned samFreq, client i2c_master_if i_i2c)
 {
 

examples/xua_lite_example/src/audio_hub.h

@@ -0,0 +1,4 @@
+#include "i2s.h"
+
+[[distributable]]
+void AudioHub(server i2s_frame_callback_if i2s, streaming chanend c_audio, streaming chanend (&?c_ds_output)[1]);

examples/xua_lite_example/src/audio_hub.xc

@@ -5,20 +5,8 @@
 #define DEBUG_PRINT_ENABLE_XUA_AUDIO_HUB 1
 #include "debug_print.h"
 #include "mic_array.h"
-#include "AudioConfig.h"
-
-
-void mic_array_decimator_set_samprate(const unsigned samplerate, int mic_decimator_fir_data_array[], mic_array_decimator_conf_common_t *dcc, mic_array_decimator_config_t dc[]);
-
-
-void setup_audio_gpio(out port p_gpio){
-  // Reset DAC and disable MUTE
-  p_gpio <: 0x0;
-  delay_milliseconds(1);
-  p_gpio <: 0x1;
-  delay_milliseconds(1);
-}
-
+#include "audio_config.h"
+#include "pdm_mic.h"
 
 //Globally declared for 64b alignment
 int mic_decimator_fir_data_array[8][THIRD_STAGE_COEFS_PER_STAGE * PDM_MAX_DECIMATION] = {{0}};

examples/xua_lite_example/src/pdm_mic.h

@@ -0,0 +1,10 @@
+#ifndef _PDM_MIC_H_
+#define _PDM_MIC_H_
+
+#include "mic_array.h"
+
+void mic_array_decimator_set_samprate(const unsigned samplerate, int mic_decimator_fir_data_array[], mic_array_decimator_conf_common_t *dcc, mic_array_decimator_config_t dc[]);
+void pdm_mic(streaming chanend c_ds_output, in buffered port:32 p_pdm_mics);
+void mic_array_setup_ddr_xcore(clock pdmclk, clock pdmclk6, out port p_pdm_clk, buffered in port:32 p_pdm_data, int divide);
+
+#endif

examples/xua_lite_example/src/pdm_mic.xc

@@ -1,6 +1,4 @@
 #include "xua.h"
-#if (XUA_NUM_PDM_MICS > 0)
-
 #include <platform.h>
 #include <xs1.h>
 #include <stdlib.h>
@@ -105,5 +103,3 @@ void mic_array_setup_ddr_xcore(clock pdmclk,
      */
 
 }
-
-#endif