diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d8ca1e43..22ff07f2 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,7 +1,7 @@
 sc_usb_audio Change Log
 =======================
 
-6.6.0
+6.6.1
 -----
 
     * see sw_usb_audio for changelog
diff --git a/README.rst b/README.rst
index 5996e8c0..94a77d66 100644
--- a/README.rst
+++ b/README.rst
@@ -1,7 +1,7 @@
 USB Audio Shared
 ................
 
-:Latest release: 6.6.0rc2
+:Latest release: 6.6.1rc0
 :Maintainer: xross
 :Description: USB Audio Shared Components. For use in the XMOS USB Audio Refererence Designs.
 
diff --git a/module_dfu/.cproject b/module_dfu/.cproject
index bb778c83..da068095 100644
--- a/module_dfu/.cproject
+++ b/module_dfu/.cproject
@@ -156,11 +156,7 @@
 								<option id = "com.xmos.xc.compiler.option.include.paths.23684077" name="com.xmos.xc.compiler.option.include.paths" superClass="com.xmos.xc.compiler.option.include.paths" valueType="includePath">
 									<listOptionValue builtIn="false" value="&quot;${XMOS_TOOL_PATH}/target/include&quot;"/>
 									<listOptionValue builtIn="false" value="&quot;${XMOS_TOOL_PATH}/target/include/gcc&quot;"/>
-                                    <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents/Resources/DWARF}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents/Resources}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx}&quot;' />
+                                    <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/src}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu}&quot;' />
@@ -275,11 +271,7 @@
 								<option id = "com.xmos.c.compiler.option.include.paths.18653743" name="com.xmos.c.compiler.option.include.paths" superClass="com.xmos.c.compiler.option.include.paths" valueType="includePath">
 									<listOptionValue builtIn="false" value="&quot;${XMOS_TOOL_PATH}/target/include&quot;"/>
 									<listOptionValue builtIn="false" value="&quot;${XMOS_TOOL_PATH}/target/include/gcc&quot;"/>
-                                    <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents/Resources/DWARF}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents/Resources}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx}&quot;' />
+                                    <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/src}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu}&quot;' />
@@ -400,11 +392,7 @@
 									<listOptionValue builtIn="false" value="&quot;${XMOS_TOOL_PATH}/target/include/gcc&quot;"/>
 									<listOptionValue builtIn="false" value="&quot;${XMOS_TOOL_PATH}/target/include/c++/4.2.1&quot;"/>
 									<listOptionValue builtIn="false" value="&quot;${XMOS_TOOL_PATH}/target/include/c++/4.2.1/xcore-xmos-elf&quot;"/>
-                                    <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents/Resources/DWARF}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents/Resources}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM/Contents}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx/xmosdfu.dSYM}&quot;' />
-<listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx}&quot;' />
+                                    <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host/xmos_dfu_osx}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/host}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu/src}&quot;' />
 <listOptionValue builtIn="false" value='&quot;${workspace_loc:/module_dfu}&quot;' />
diff --git a/module_usb_audio/audio.xc b/module_usb_audio/audio.xc
index 116f83bd..470500ab 100755
--- a/module_usb_audio/audio.xc
+++ b/module_usb_audio/audio.xc
@@ -26,8 +26,8 @@ unsigned testsamples[100];
 int p = 0;
 unsigned lastSample = 0;
 #if (DSD_CHANS_DAC != 0)
-extern unsigned p_dsd_dac[DSD_CHANS_DAC];
-extern port p_dsd_clk;
+extern buffered out port:32 p_dsd_dac[DSD_CHANS_DAC];
+extern buffered out port:32 p_dsd_clk;
 #endif
 
 unsigned g_adcVal = 0;
@@ -832,6 +832,15 @@ void audio(chanend c_mix_out, chanend ?c_dig_rx, chanend ?c_config, chanend ?c)
 
     start_clock(clk_audio_mclk);
 
+#if (DSD_CHANS_DAC > 0)
+    /* Make sure the DSD ports are on and buffered - just in case they are not shared with I2S */
+    EnableBufferedPort(p_dsd_clk, 32);
+    for(int i = 0; i< DSD_CHANS_DAC; i++)
+    {
+        EnableBufferedPort(p_dsd_dac[i], 32);
+    }
+#endif
+
 #ifdef SPDIF
     SpdifTransmitPortConfig(p_spdif_tx, clk_mst_spd, p_mclk_in);
 #endif
@@ -872,28 +881,31 @@ void audio(chanend c_mix_out, chanend ?c_dig_rx, chanend ?c_config, chanend ?c)
             divide = mClk / ( curSamFreq * numBits );
        }
 
-#if (DSD_CHANS_DAC != 0)
+
+#if (DSD_CHANS_DAC > 0)
+        if(dsdMode)
+        {
         /* Configure audio ports */
         ConfigAudioPortsWrapper(
 #if (I2S_CHANS_DAC != 0)
-                p_i2s_dac,
+                p_dsd_dac,
+                DSD_CHANS_DAC,
 #endif
 #if (I2S_CHANS_ADC != 0)
                 p_i2s_adc,
+                I2S_WIRES_ADC,
 #endif
 #if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
-#ifndef CODEC_MASTER
-                p_lrclk,
-                p_bclk,
-#else
-                p_lrclk,
-                p_bclk,
+                null,
+                p_dsd_clk,
 #endif
+                divide, dsdMode);
+        }
+        else
 #endif
-            divide, dsdMode);
-#else
- /* Configure audio ports */
-        ConfigAudioPorts(
+        {
+
+            ConfigAudioPortsWrapper(
 #if (I2S_CHANS_DAC != 0)
                 p_i2s_dac,
                 I2S_WIRES_DAC,
@@ -911,9 +923,9 @@ void audio(chanend c_mix_out, chanend ?c_dig_rx, chanend ?c_config, chanend ?c)
                 p_bclk,
 #endif
 #endif
-            divide);
+            divide, dsdMode);
+}
 
-#endif
 
         {
             unsigned curFreq = curSamFreq;
diff --git a/module_usb_audio/devicedefines.h b/module_usb_audio/devicedefines.h
index ffc4b6f8..568da78a 100644
--- a/module_usb_audio/devicedefines.h
+++ b/module_usb_audio/devicedefines.h
@@ -393,7 +393,7 @@
  * @brief Device firmware version number in Binary Coded Decimal format: 0xJJMN where JJ: major, M: minor, N: sub-minor version number.
  */
 #ifndef BCD_DEVICE_N
-#define BCD_DEVICE_N             0
+#define BCD_DEVICE_N             1
 #endif
 
 /**
diff --git a/module_usb_audio/ports/audioports.c b/module_usb_audio/ports/audioports.c
index 9014fac0..7daf4df6 100644
--- a/module_usb_audio/ports/audioports.c
+++ b/module_usb_audio/ports/audioports.c
@@ -6,7 +6,6 @@
 #include "devicedefines.h"
 #include "audioports.h"
 
-#if (DSD_CHANS_DAC != 0)
 /* Note since DSD ports could be reused for I2S ports we do all the setup manually in C */
 #if DSD_CHANS_DAC > 0
 port p_dsd_dac[DSD_CHANS_DAC] = {
@@ -23,23 +22,21 @@ port p_dsd_dac[DSD_CHANS_DAC] = {
 port p_dsd_clk = PORT_DSD_CLK;
 #endif
 
-static inline void EnableBufferedPort(port p, unsigned transferWidth)
+void EnableBufferedPort(port p, unsigned transferWidth)
 {
-    //set_port_use_on(p_dsd_dac[i]);
     asm volatile("setc res[%0], %1"::"r"(p), "r"(XS1_SETC_INUSE_ON));
     asm volatile("setc res[%0], %1"::"r"(p), "r"(XS1_SETC_BUF_BUFFERS));
     asm volatile("settw res[%0], %1"::"r"(p),"r"(transferWidth));
 }
 
-
-/* C wrapper for ConfigAudioPorts() such that we can mess around with arrays of ports */
+/* C wrapper for ConfigAudioPorts() to handle DSD ports */
 void ConfigAudioPortsWrapper(
 #if (I2S_CHANS_DAC != 0)
-                port p_i2s_dac[I2S_WIRES_DAC],
+                port p_dac[], int numPortsDac,
 #endif
 
 #if (I2S_CHANS_ADC != 0)
-                port p_i2s_adc[I2S_WIRES_ADC],
+                port p_adc[], int numPortsAdc,
 #endif
 
 #if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
@@ -53,63 +50,16 @@ void ConfigAudioPortsWrapper(
 #endif
 unsigned int divide, unsigned int dsdMode)
 {
-    /* Ensure dsd clock is on in all modes since I2S mode sets it low on exit
-     * to avoid stop_clock() potentially pausing forever. If this is not done
-     * an exception will be raised with audio() attempts to set this port low
-     */
-    /* TODO Do we really need to do this on every SF change? Once is probably enough */
-    EnableBufferedPort(p_dsd_clk, 32);
-
-    if(dsdMode)
-    {
-        /* Make sure the ports are on and buffered - just in case they are not shared with I2S */
-        for(int i = 0; i< DSD_CHANS_DAC; i++)
-        {
-            EnableBufferedPort(p_dsd_dac[i], 32);
-        }
-
-        ConfigAudioPorts(
-#if (DSD_CHANS_DAC != 0)
-                p_dsd_dac,
-                DSD_CHANS_DAC,
-#endif
-#if (I2S_CHANS_ADC != 0)
-                p_i2s_adc,
-                I2S_WIRES_ADC,
-#endif
-#if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
-#ifndef CODEC_MASTER
-                0, /* NULL */
-                p_dsd_clk,
-#else
-                0, /* NULL */
-                p_dsd_clk,
-#endif
-#endif
-                divide);
-
-    }
-    else
-    {
         ConfigAudioPorts(
 #if (I2S_CHANS_DAC != 0)
-                p_i2s_dac,
-                I2S_WIRES_DAC,
+                p_dac,
+                numPortsDac,
 #endif
 #if (I2S_CHANS_ADC != 0)
-                p_i2s_adc,
-                I2S_WIRES_ADC,
+                p_adc,
+                numPortsAdc,
 #endif
-#if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
-#ifndef CODEC_MASTER
                 p_lrclk,
                 p_bclk,
-#else
-                p_lrclk,
-                p_bclk,
-#endif
-#endif
                 divide);
-    }
 }
-#endif
diff --git a/module_usb_audio/ports/audioports.h b/module_usb_audio/ports/audioports.h
index 3933b11b..09e59b35 100644
--- a/module_usb_audio/ports/audioports.h
+++ b/module_usb_audio/ports/audioports.h
@@ -4,9 +4,6 @@
 #include <xccompat.h>
 #include "devicedefines.h"
 
-void ConfigAudioPorts_dsd(unsigned int divide);
-
-
 #ifdef __XC__
 void ConfigAudioPorts(
 #if (I2S_CHANS_DAC != 0) || (DSD_CHANS_DAC != 0)
@@ -61,19 +58,19 @@ void ConfigAudioPorts(
 #ifdef __XC__
 void ConfigAudioPortsWrapper(
 #if (I2S_CHANS_DAC != 0)
-                buffered out port:32 p_i2s_dac[I2S_WIRES_DAC],
+                buffered out port:32 p_i2s_dac[], int numPortsDAC,
 #endif
 
 #if (I2S_CHANS_ADC != 0)
-                buffered in port:32  p_i2s_adc[I2S_WIRES_ADC],
+                buffered in port:32  p_i2s_adc[], int numPortsADC,
 #endif
 
 #if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
 #ifndef CODEC_MASTER
-                buffered out port:32 p_lrclk,
+                buffered out port:32 ?p_lrclk,
                 buffered out port:32 p_bclk,
 #else
-                in port p_lrclk,
+                in port ?p_lrclk,
                 in port p_bclk,
 #endif
 #endif
@@ -82,28 +79,26 @@ void ConfigAudioPortsWrapper(
 
 void ConfigAudioPortsWrapper(
 #if (I2S_CHANS_DAC != 0)
-                port p_i2s_dac[I2S_WIRES_DAC],
+                port p_i2s_dac[], int numPortsDAC,
 #endif
 
 #if (I2S_CHANS_ADC != 0)
-                port p_i2s_adc[I2S_WIRES_ADC],
+                port p_i2s_adc[], int numPortsADC,
 #endif
 
 #if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
-#ifndef CODEC_MASTER
                 port p_lrclk,
                 port p_bclk,
-#else
-                port p_lrclk,
-                port p_bclk,
-#endif
 #endif
                 unsigned int divide, unsigned int dsdMode);
 
 
 #endif /* __XC__*/
 
-
-
+#ifdef __XC__
+void EnableBufferedPort(buffered out port:32 p, unsigned transferWidth);
+#else
+void EnableBufferedPort(port p, unsigned transferWidth);
+#endif
 
 #endif /* _AUDIOPORTS_H_ */
diff --git a/module_usb_audio/ports/audioports.xc b/module_usb_audio/ports/audioports.xc
index 28e0a77a..66f77641 100644
--- a/module_usb_audio/ports/audioports.xc
+++ b/module_usb_audio/ports/audioports.xc
@@ -34,7 +34,6 @@ unsigned int divide)
 #ifndef CODEC_MASTER
     /* Note this call to stop_clock() will pause forever if the port clocking the clock-block is not low.
      * deliver() should return with this being the case */
-
     stop_clock(clk_audio_bclk);
 
     if(!isnull(p_lrclk))
diff --git a/xpd.xml b/xpd.xml
index 5d86c895..c7b3b681 100644
--- a/xpd.xml
+++ b/xpd.xml
@@ -5,7 +5,7 @@
             <board>XMOS USB Audio Reference Designes</board>
             <keyword>DFU</keyword>
         </component>
-        <component description = "queue" type = "demoCode" scope = "General Use" path = "module_queue" local = "false" id = "module_queue" name = "Queing Module For USB Audio Framwwork">
+        <component description = "queue" type = "demoCode" scope = "General Use" path = "module_queue" local = "false" id = "module_queue" name = "Queuing Module For USB Audio Framework">
             <board></board>
             <componentDependency repo = "git://github.com/xcore/sc_util" version = "1.0.4">module_xassert</componentDependency>
             <keyword>UAC2</keyword>
@@ -67,7 +67,8 @@
     <release parenthash = "ccf7c66588501a090ab25003f3d646b22c03b243" version = "6.6.0beta1" githash = "91c7bcff7a403fc9638bd05fcb4b63f75b7eccca"></release>
     <release parenthash = "91c7bcff7a403fc9638bd05fcb4b63f75b7eccca" version = "6.6.0rc0" githash = "3a340d50732b31012b412d35598bbf311df2b914"></release>
     <release parenthash = "d7f0cdd4be780869137968f00f1d2a46663a1f33" version = "6.6.0rc1" githash = "a714e668020fe14128b213eae7ea3290d4ddf28a"></release>
-    <release parenthash = "192b263d764650b2b498157b192dbda8882aba99" version = "6.6.0rc2"></release>
+    <release parenthash = "192b263d764650b2b498157b192dbda8882aba99" version = "6.6.0rc2" githash = "74d448097f79524c97fc2967bb227264a39be016"></release>
+    <release parenthash = "9be1ef8d706be7027c3712a2fef15144767dfe55" version = "6.6.1rc0"></release>
     <subpartnumber>XM-004720-SM</subpartnumber>
     <vendor>XMOS</vendor>
     <version_defines>