Set default XUA_I2S_DUMMY_SAMPS value to 0

CHANGELOG.rst

@@ -1,47 +1,14 @@
 lib_xua Change Log
 ==================
 
-HEAD
-----
-
-  * ADDED:     Support for XCommon CMake build system
-  * RESOLVED:  Output volume control not enabled by default when MIXER disabled
-  * RESOLVED:  Full 32bit result of volume processing not calculated when required
-  * RESOLVED:  Input stream sending an erroneous zero-length packet when exiting underflow state
-  * RESOLVED   Build failures when XUA_USB_EN = 0
-  * RESOLVED:  Clock configuration issues when ADAT and S/PDIF receive are enabled (#352)
-  * CHANGED:   QUAD_SPI_FLASH replaced by XUA_QUAD_SPI_FLASH (default: 1)
-  * CHANGED:   UserBufferManagementInit() now takes a sample rate parameter
-
-3.5.1
------
-
-  * FIXED:     Respect I2S_CHANS_PER_FRAME when calculating bit-clock rates
-
-  * Changes to dependencies:
-
-    - lib_spdif: 5.0.0 -> 5.0.1
-
-3.5.0
------
+UNRELEASED
+----------
 
   * ADDED:     Configurable word-length for I2S/TDM via XUA_I2S_N_BITS 
-  * ADDED:     Support for statically defined custom HID descriptor
-  * CHANGED:   Rearranged main() such that adding custom code that uses lib_xud
-    is possible
-  * CHANGED:   bNumConfigurations changed from 2 to 1, removing a work-around to
-    stop old Windows versions loading the composite driver
-  * FIXED:     Memory corruption due to erroneous initialisation of mixer
-    weights when not in use (#152)
+  * FIXED:     Memory corruption due to erroneous initialisation of mixer weights when not in use (#152) 
   * FIXED:     UserHostActive() not being called as expected (#326)
   * FIXED:     Exception when entering DSD mode (#327)
 
-  * Changes to dependencies:
-
-    - lib_spdif: 4.2.1 -> 5.0.0
-
-    - lib_xud: 2.2.2 -> 2.2.3
-
 3.4.0
 -----
 

README.rst

@@ -1,7 +1,7 @@
 lib_xua
 #######
 
-:Version: 3.5.1
+:Version: 3.4.0
 :Vendor: XMOS
 
 
@@ -41,9 +41,9 @@ Key features of the various components in this repository are as follows
 
 - Synchronisation to external digital streams i.e. S/PDIF or ADAT (when in asynchronous mode)
 
-- I2S (slave/master modes with configurable word-length)
+- I2S slave & master modes
 
-- TDM (slave/master modes with configurable word-length)
+- TDM slave & master modes
 
 - MIDI input/output (Compliant to USB Class Specification for MIDI devices)
 
@@ -53,8 +53,6 @@ Key features of the various components in this repository are as follows
 
 - Simple playback controls via USB Human Interface Device (HID) Class
 
-- Support for adding custom HID interfaces
-
 Note, not all features may be supported at all sample frequencies, simultaneously or on all devices.  
 Some features may also require specific host driver support.
 

examples/AN00246_xua_example/README.rst

@@ -14,7 +14,7 @@ Required hardware
 .................
 
 The example code provided with the application has been implemented
-and tested on the xCORE.ai Multi-channel Audio Board
+and tested on the xCORE-200 Multi-channel Audio Board
 
 Prerequisites
 .............

lib_xua/api/xua_audiohub.h

@@ -76,7 +76,7 @@ void AudioHwConfig(unsigned samFreq, unsigned mClk, unsigned dsdMode,
 
 #endif // __XC__
 
-void UserBufferManagementInit(unsigned samFreq);
+void UserBufferManagementInit();
 
 void UserBufferManagement(unsigned sampsFromUsbToAudio[], unsigned sampsFromAudioToUsb[]);
 

lib_xua/api/xua_conf_default.h

@@ -85,10 +85,10 @@
     #if defined(NATIVE_DSD) && (NATIVE_DSD == 0)
         #undef NATIVE_DSD
     #else
-        #define NATIVE_DSD      (1)  /* Always enable Native DSD when DSD mode is enabled */
+        #define NATIVE_DSD       1  /* Always enable Native DSD when DSD mode is enabled */
     #endif
 #else
-    #define DSD_CHANS_DAC       (0)
+    #define DSD_CHANS_DAC        0
 #endif
 
 #define XUA_PCM_FORMAT_I2S      (0)
@@ -114,9 +114,9 @@
  **/
 #ifndef I2S_CHANS_PER_FRAME
     #if (XUA_PCM_FORMAT == XUA_PCM_FORMAT_TDM)
-        #define I2S_CHANS_PER_FRAME (8)
+        #define I2S_CHANS_PER_FRAME 8
     #else
-        #define I2S_CHANS_PER_FRAME (2)
+        #define I2S_CHANS_PER_FRAME 2
     #endif
 #endif
 
@@ -197,6 +197,23 @@
     #define I2S_DOWNSAMPLE_CHANS_IN I2S_CHANS_ADC
 #endif
 
+#ifndef XUA_I2S_DUMMY_SAMPS
+#define XUA_I2S_DUMMY_SAMPS      (0)
+#endif
+
+/**
+ * @brief Number of bits per channel for I2S/TDM. Supported values: 16/32-bit.
+ *
+ * Default: 32 bits
+ */
+#ifndef XUA_I2S_N_BITS
+#define XUA_I2S_N_BITS (32)
+#endif
+
+#if (XUA_I2S_N_BITS != 16) && (XUA_I2S_N_BITS != 32)
+#error Unsupported value for XUA_I2S_N_BITS (only values 16/32 supported)
+#endif
+
 /**
  * @brief Number of bits per channel for I2S/TDM. Supported values: 16/32-bit.
  *
@@ -241,9 +258,7 @@
 #endif
 
 /**
- * @brief Default device sample frequency. A safe default should be used.
- *
- * Default: MIN_FREQ
+ * @brief Default device sample frequency. A safe default should be used. Default: MIN_FREQ
  */
 #ifndef DEFAULT_FREQ
 #define DEFAULT_FREQ             (MIN_FREQ)
@@ -252,21 +267,17 @@
 /* Audio Class Defines */
 
 /**
- * @brief USB Audio Class Version.
- *
- * Default: 2 (Audio Class version 2.0)
+ * @brief USB Audio Class Version. Default: 2 (Audio Class version 2.0)
  */
 #ifndef AUDIO_CLASS
-#define AUDIO_CLASS              (2)
+#define AUDIO_CLASS 2
 #endif
 
 /**
- * @brief Whether or not to fall back to Audio Class 1.0 in USB Full-speed.
- *
- * Default: 0 (Disabled i.e. do not fall back to UAC 1.0
+ * @brief Whether or not to fall back to Audio Class 1.0 in USB Full-speed. Default: 0 (Disabled)
  */
 #ifndef AUDIO_CLASS_FALLBACK
-#define AUDIO_CLASS_FALLBACK     (0)
+#define AUDIO_CLASS_FALLBACK  0     /* Default to not falling back to UAC 1 */
 #endif
 
 /**
@@ -278,7 +289,7 @@
 #if (AUDIO_CLASS == 2)
     /* Whether to run in Audio Class 2.0 mode in USB Full-speed */
     #if !defined(FULL_SPEED_AUDIO_2) && (AUDIO_CLASS_FALLBACK == 0)
-        #define FULL_SPEED_AUDIO_2 (1)     /* Default to falling back to UAC2 */
+        #define FULL_SPEED_AUDIO_2    1     /* Default to falling back to UAC2 */
     #endif
 #endif
 
@@ -299,9 +310,7 @@
 /* Feature defines */
 
 /**
- * @brief Number of PDM microphones in the design.
- *
- * Default: None
+ * @brief Number of PDM microphones in the design. Default: None
  */
 #ifndef XUA_NUM_PDM_MICS
 #define XUA_NUM_PDM_MICS            (0)
@@ -318,18 +327,14 @@
 #endif
 
 /**
- * @brief Size of a frame of microphone data samples.
- *
- * Default: 1
+ * @brief Size of a frame of microphone data samples. Default: 1
  */
 #ifndef XUA_MIC_FRAME_SIZE
 #define XUA_MIC_FRAME_SIZE      (1)
 #endif
 
 /**
- * @brief Enable MIDI functionality including buffering, descriptors etc.
- *
- * Default: 0 (Disabled)
+ * @brief Enable MIDI functionality including buffering, descriptors etc. Default: DISABLED
  */
 #ifndef MIDI
 #define MIDI                    (0)
@@ -363,9 +368,7 @@
 #endif
 
 /**
- * @brief Enables ADAT Tx.
- *
- * Default: 0 (Disabled)
+ * @brief Enables ADAT Tx. Default: 0 (Disabled)
  */
 #ifndef XUA_ADAT_TX_EN
 #define XUA_ADAT_TX_EN           (0)
@@ -381,18 +384,14 @@
 #endif
 
 /**
- * @brief Enables SPDIF Rx.
- *
- * Default: 0 (Disabled)
+ * @brief Enables SPDIF Rx. Default: 0 (Disabled)
  */
 #ifndef XUA_SPDIF_RX_EN
 #define XUA_SPDIF_RX_EN       (0)
 #endif
 
 /**
- * @brief Enables ADAT Rx.
- *
- * Default: 0 (Disabled)
+ * @brief Enables ADAT Rx. Default: 0 (Disabled)
  */
 #ifndef XUA_ADAT_RX_EN
 #define XUA_ADAT_RX_EN        (0)
@@ -455,15 +454,6 @@
 #undef XUA_DFU_EN
 #endif
 
-/**
- * @brief Use a QSPI (rather than SPI) flash for DFU (and boot)
- *
- * Default: 1 (True i.e use QSPI flash)
-*/
-#if !defined(XUA_QUAD_SPI_FLASH)
-#define XUA_QUAD_SPI_FLASH      (1)
-#endif
-
 /**
  * @brief Enable HID playback controls functionality.
  *
@@ -475,40 +465,6 @@
 #define HID_CONTROLS       (0)
 #endif
 
-/**
- * HID may be required in two forms: the built-in XUA-HID reports, or a
- * user-provided static HID. Some sections of code are always needed, they
- * are enclosed in XUA_OR_STATIC_HID_ENABLED; code specific to XUA-HID
- * reports are enclosed in XUA_HID_ENABLED.
- *
- * HID_CONTROLS implies that the XUA_HID is used, and hence defines both.
- * In order to roll your own, do not enable HID_CONTROLS, but instead
- * create a file static_hid_report.h that contains the static descriptor.
- *
- * You must also supply your own function to deal with the HID endpoint(s)
- * in this case.
- */
-#if( 0 < HID_CONTROLS )
-#define   XUA_HID_ENABLED            (1)
-#define   XUA_OR_STATIC_HID_ENABLED  (1)
-#endif
-
-
-#if defined(__static_hid_report_h_exists__)
-#define   XUA_OR_STATIC_HID_ENABLED  (1)
-#endif
-
-/**
- * @brief Enable a HID OUT endpoint. Only use this if you supply your own HID control.
- *
- * 1 for enabled, 0 for disabled.
- *
- * Default 0 (Disabled)
- */
-#ifndef HID_OUT_REQUIRED
-#define HID_OUT_REQUIRED        (0)
-#endif
-
 /**
  * @brief Defines whether XMOS device runs as master (i.e. drives LR and Bit clocks)
  *
@@ -1160,13 +1116,9 @@
 #define VOLUME_RES_MIXER            (0x100)
 #endif
 
-/* Handle out volume control in the mixer - enabled by default if mixer enabled */
+/* Handle out volume control in the mixer - enabled by default */
 #ifndef OUT_VOLUME_IN_MIXER
-#if MIXER
 #define OUT_VOLUME_IN_MIXER         (1)
-#else
-    #define OUT_VOLUME_IN_MIXER (0)
-#endif
 #endif
 
 /* Apply out volume controls after the mix. Only relevant when OUT_VOLUME_IN_MIXER enabled. Enabled by default */
@@ -1179,7 +1131,7 @@
 #define IN_VOLUME_IN_MIXER          (0)
 #endif
 
-/* Apply in volume controls after the mix. Only relevant when IN_VOLUMNE_IN MIXER enabled. Enabled by default */
+/* Apply in volume controls after the mix. Only relebant when IN_VOLUMNE_IN MIXER enabled. Enabled by default */
 #ifndef IN_VOLUME_AFTER_MIX
 #define IN_VOLUME_AFTER_MIX         (1)
 #endif
@@ -1228,7 +1180,7 @@ enum USBEndpointNumber_In
 #ifdef MIDI
     ENDPOINT_NUMBER_IN_MIDI,
 #endif
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
     ENDPOINT_NUMBER_IN_HID,
 #endif
 #ifdef IAP
@@ -1255,9 +1207,6 @@ enum USBEndpointNumber_Out
 #ifdef IAP_EA_NATIVE_TRANS
     ENDPOINT_NUMBER_OUT_IAP_EA_NATIVE_TRANS,
 #endif
-#endif
-#if XUA_OR_STATIC_HID_ENABLED && HID_OUT_REQUIRED
-    ENDPOINT_NUMBER_OUT_HID,
 #endif
     XUA_ENDPOINT_COUNT_OUT          /* End marker */
 };
@@ -1276,6 +1225,8 @@ enum USBEndpointNumber_Out
 #endif /* __ASSEMBLER__ */
 
 #define AUDIO_STOP_FOR_DFU                (0x12345678)
+#define AUDIO_START_FROM_DFU              (0x87654321)
+#define AUDIO_REBOOT_FROM_DFU             (0xa5a5a5a5)
 
 /* Result of db_to_mult(MAX_VOLUME, 8, 29) */
 #define MAX_VOLUME_MULT                   (0x20000000)
@@ -1378,7 +1329,7 @@ enum USBEndpointNumber_Out
 /* Some defines that allow us to remove unused code */
 
 /* Useful for dropping lower part of macs in volume processing... */
-#if (FS_STREAM_FORMAT_OUTPUT_1_RESOLUTION_BITS > 24) || (HS_STREAM_FORMAT_OUTPUT_1_RESOLUTION_BITS > 24) || \
+#if (FS_STREAM_FORMAT_OUTPUT_1_RESOLUTION_BITS > 24) || (HS_STREAM_FORMAT_OUTPUT_2_RESOLUTION_BITS > 24) || \
     (((FS_STREAM_FORMAT_OUTPUT_2_RESOLUTION_BITS > 24) || (HS_STREAM_FORMAT_OUTPUT_2_RESOLUTION_BITS > 24)) && (OUTPUT_FORMAT_COUNT > 1)) || \
     (((FS_STREAM_FORMAT_OUTPUT_3_RESOLUTION_BITS > 24) || (HS_STREAM_FORMAT_OUTPUT_3_RESOLUTION_BITS > 24)) && (OUTPUT_FORMAT_COUNT > 2))
     #define STREAM_FORMAT_OUTPUT_RESOLUTION_32BIT_USED 1
@@ -1412,7 +1363,7 @@ enum USBEndpointNumber_Out
 #endif
 
 /* Useful for dropping lower part of macs in volume processing... */
-#if (FS_STREAM_FORMAT_INPUT_1_RESOLUTION_BITS > 24) || (HS_STREAM_FORMAT_INPUT_1_RESOLUTION_BITS > 24)
+    #if (FS_STREAM_FORMAT_INPUT_1_RESOLUTION_BITS > 24) || (FS_STREAM_FORMAT_INPUT_2_RESOLUTION_BITS > 24)
         #define STREAM_FORMAT_INPUT_RESOLUTION_32BIT_USED 1
     #else
         #define STREAM_FORMAT_INPUT_RESOLUTION_32BIT_USED 0

lib_xua/lib_build_info.cmake

@@ -1,51 +0,0 @@
-set(LIB_NAME lib_xua)
-set(LIB_VERSION 3.5.1)
-set(LIB_INCLUDES api
-                 src/core
-                 src/core/audiohub
-                 src/core/buffer/ep
-                 src/core/endpoint0
-                 src/dfu
-                 src/core/buffer/decouple
-                 src/core/clocking
-                 src/core/mixer
-                 src/core/pdm_mics
-                 src/core/ports
-                 src/core/support
-                 src/core/user
-                 src/core/user/audiostream
-                 src/core/user/hid
-                 src/core/user/hostactive
-                 src/hid
-                 src/midi)
-set(LIB_OPTIONAL_HEADERS xua_conf.h static_hid_report.h)
-set(LIB_DEPENDENT_MODULES "lib_locks"
-                          "lib_logging"
-                          "lib_mic_array(feature/xcommon_cmake)"
-                          "lib_spdif"
-                          "lib_xassert"
-                          "lib_xud"
-                          "lib_adat")
-
-set(LIB_COMPILER_FLAGS -O3 -DREF_CLK_FREQ=100 -fasm-linenum -fcomment-asm)
-
-if(CMAKE_BUILD_TYPE STREQUAL "Debug")
-    list(APPEND LIB_COMPILER_FLAGS -DXASSERT_ENABLE_ASSERTIONS=1
-                                   -DXASSERT_ENABLE_DEBUG=1
-                                   -DXASSERT_ENBALE_LINE_NUMBERS=1)
-else()
-    list(APPEND LIB_COMPILER_FLAGS -DXASSERT_ENABLE_ASSERTIONS=0
-                                   -DXASSERT_ENABLE_DEBUG=0
-                                   -DXASSERT_ENABLE_LINE_NUMBERS=0)
-endif()
-
-set(LIB_COMPILER_FLAGS_xua_endpoint0.c ${LIB_COMPILER_FLAGS} -Os -mno-dual-issue)
-set(LIB_COMPILER_FLAGS_xua_ep0_uacreqs.xc ${LIB_COMPILER_FLAGS} -Os -mno-dual-issue)
-set(LIB_COMPILER_FLAGS_dbcalc.xc ${LIB_COMPILER_FLAGS} -Os -mno-dual-issue)
-set(LIB_COMPILER_FLAGS_audioports.c ${LIB_COMPILER_FLAGS} -Os -mno-dual-issue)
-set(LIB_COMPILER_FLAGS_audioports.xc ${LIB_COMPILER_FLAGS} -Os -mno-dual-issue)
-set(LIB_COMPILER_FLAGS_dfu.xc ${LIB_COMPILER_FLAGS} -Os -mno-dual-issue)
-set(LIB_COMPILER_FLAGS_flash_interface.c ${LIB_COMPILER_FLAGS} -Os -mno-dual-issue)
-set(LIB_COMPILER_FLAGS_flashlib_user.c ${LIB_COMPILER_FLAGS} -Os -mno-dual-issue)
-
-XMOS_REGISTER_MODULE()

lib_xua/module_build_info

@@ -1,4 +1,4 @@
-VERSION = 3.5.1
+VERSION = 3.4.0
 
 DEBUG ?= 0
 
@@ -35,7 +35,7 @@ XCC_FLAGS_dfu.xc = $(MODULE_XCC_FLAGS) -Os -mno-dual-issue
 XCC_FLAGS_flash_interface.c = $(MODULE_XCC_FLAGS) -Os -mno-dual-issue
 XCC_FLAGS_flashlib_user.c = $(MODULE_XCC_FLAGS) -Os -mno-dual-issue
 
-OPTIONAL_HEADERS += xua_conf.h static_hid_report.h
+OPTIONAL_HEADERS += xua_conf.h
 
 EXPORT_INCLUDE_DIRS = api \
                       src/core \

lib_xua/src/core/audiohub/audiohub_adat.h

@@ -1,11 +1,13 @@
-// Copyright 2018-2023 XMOS LIMITED.
+// Copyright 2018-2022 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
+
 unsigned adatCounter = 0;
 unsigned adatSamples[8];
 
 #pragma unsafe arrays
 static inline void TransferAdatTxSamples(chanend c_adat_out, const unsigned samplesFromHost[], int smux, int handshake)
 {
+
     /* Do some re-arranging for SMUX.. */
     unsafe
     {
@@ -27,6 +29,7 @@ static inline void TransferAdatTxSamples(chanend c_adat_out, const unsigned samp
 
     if(adatCounter == smux)
     {
+
 #ifdef ADAT_TX_USE_SHARED_BUFF
         unsafe
         {

lib_xua/src/core/audiohub/xua_audiohub.xc

@@ -80,6 +80,14 @@ unsigned dsdMode = DSD_MODE_OFF;
 #endif
 #include "xua_audiohub_st.h"
 
+static inline void PortOutput(buffered out port:32 p, int bits, int value)
+{
+    if(bits == 32)
+        p <: value;
+    else
+        partout(p, bits, value);
+}
+
 static inline int HandleSampleClock(int frameCount, buffered _XUA_CLK_DIR port:32 p_lrclk)
 {
 #if CODEC_MASTER
@@ -241,12 +249,12 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
     }
 #endif // ((DEBUG_MIC_ARRAY == 1) && (XUA_NUM_PDM_MICS > 0))
 
-    UserBufferManagementInit(curSamFreq);
+    UserBufferManagementInit();
 
     unsigned command = DoSampleTransfer(c_out, readBuffNo, underflowWord);
 
     // Reinitialise user state before entering the main loop
-    UserBufferManagementInit(curSamFreq);
+    UserBufferManagementInit();
 
 #if (XUA_ADAT_TX_EN)
     unsafe{
@@ -286,6 +294,19 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
             else
 #endif
             {
+
+#if XUA_I2S_DUMMY_SAMPS  
+            if(frameCount == 0)
+            {  
+                for(int j = 0; j < XUA_I2S_DUMMY_SAMPS; j++)
+                    for(int i = 0; i < I2S_WIRES_DAC; i++)
+                    {
+                        PortOutput(p_i2s_dac[i], XUA_I2S_N_BITS, 0);
+                    }
+            }
+#endif
+
+
 #if (I2S_CHANS_ADC != 0)
 #if (AUD_TO_USB_RATIO > 1)
                 if (0 == audioToUsbRatioCounter)
@@ -478,6 +499,25 @@ unsigned static AudioHub_MainLoop(chanend ?c_out, chanend ?c_spd_out
                 }
 #endif
 
+#if XUA_I2S_DUMMY_SAMPS
+                if(frameCount == 1)
+                {
+                    int dummyBits;
+                    for(int j = 0; j < XUA_I2S_DUMMY_SAMPS; j++)
+                    {
+                        for(int i = 0; i < I2S_WIRES_ADC; i++)
+                        {
+                            asm volatile("in %0, res[%1]" : "=r"(dummyBits)  : "r"(p_i2s_adc[i]));
+                            if(XUA_I2S_N_BITS)
+                                set_port_shift_count(p_i2s_adc[i], XUA_I2S_N_BITS);
+                        }
+                        asm volatile("in %0, res[%1]" : "=r"(dummyBits)  : "r"(p_lrclk));
+                        if(XUA_I2S_N_BITS)
+                            set_port_shift_count(p_lrclk, XUA_I2S_N_BITS);
+                    }
+                }
+#endif
+
 #if (I2S_CHANS_ADC != 0 || I2S_CHANS_DAC != 0)
                 syncError += HandleSampleClock(frameCount, p_lrclk);
 #endif
@@ -715,7 +755,13 @@ void XUA_AudioHub(chanend ?c_aud, clock ?clk_audio_mclk, clock ?clk_audio_bclk,
         /* Calculate master clock to bit clock (or DSD clock) divide for current sample freq
          * e.g. 11.289600 / (176400 * 64)  = 1 */
         {
-            unsigned numBits = XUA_I2S_N_BITS * I2S_CHANS_PER_FRAME;
+            unsigned numBits = XUA_I2S_N_BITS * 2;
+
+            if(XUA_PCM_FORMAT == XUA_PCM_FORMAT_TDM)
+            {
+                /* TDM has 8 channels */
+                numBits *= 4;
+            }
 
 #if (DSD_CHANS_DAC > 0)
             if(dsdMode == DSD_MODE_DOP)
@@ -806,7 +852,7 @@ void XUA_AudioHub(chanend ?c_aud, clock ?clk_audio_mclk, clock ?clk_audio_bclk,
         {
             /* TODO wait for good mclk instead of delay */
             /* No delay for DFU modes */
-            if (((curSamFreq / AUD_TO_USB_RATIO) != AUDIO_STOP_FOR_DFU) && command)
+            if (((curSamFreq / AUD_TO_USB_RATIO) != AUDIO_REBOOT_FROM_DFU) && ((curSamFreq / AUD_TO_USB_RATIO) != AUDIO_STOP_FOR_DFU) && command)
             {
 #if 0
                 /* User should ensure MCLK is stable in AudioHwConfig */
@@ -916,9 +962,13 @@ void XUA_AudioHub(chanend ?c_aud, clock ?clk_audio_mclk, clock ?clk_audio_bclk,
 #else
                         dummy_deliver(c_aud, command);
 #endif
-                        /* Note, we do not expect to reach here */
                         curSamFreq = inuint(c_aud);
+
+                        if (curSamFreq == AUDIO_START_FROM_DFU)
+                        {
                             outct(c_aud, XS1_CT_END);
+                            break;
+                        }
                     }
                 }
 #endif

lib_xua/src/core/audiohub/xua_buffman_default.c

@@ -1,11 +1,11 @@
-// Copyright 2016-2023 XMOS LIMITED.
+// Copyright 2016-2021 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 
 #include "xccompat.h"
 #include "xua_audiohub.h"
 
 /* Default implementation for UserBufferManagementInit() */
-void __attribute__ ((weak)) UserBufferManagementInit(unsigned sampFreq)
+void __attribute__ ((weak)) UserBufferManagementInit()
 {
     /* Do nothing */
 }

lib_xua/src/core/buffer/decouple/decouple.xc

@@ -651,7 +651,6 @@ __builtin_unreachable();
 
 #if (NUM_USB_CHAN_IN > 0)
 /* Mark Endpoint (IN) ready with an appropriately sized zero buffer */
-/* TODO We should properly size zeros packet rather than using "mid" */
 static inline void SetupZerosSendBuffer(XUD_ep aud_to_host_usb_ep, unsigned sampFreq, unsigned slotSize,
                                         xc_ptr aud_to_host_zeros)
 {
@@ -660,8 +659,8 @@ static inline void SetupZerosSendBuffer(XUD_ep aud_to_host_usb_ep, unsigned samp
 
     /* Set IN stream packet size to something sensible. We expect the buffer to
      * over flow and this to be reset */
-    SET_SHARED_GLOBAL(sampsToWrite, mid);
-    SET_SHARED_GLOBAL(totalSampsToWrite, mid);
+    SET_SHARED_GLOBAL(sampsToWrite, 0);
+    SET_SHARED_GLOBAL(totalSampsToWrite, 0);
 
     mid *= g_numUsbChan_In * slotSize;
 
@@ -822,7 +821,6 @@ void XUA_Buffer_Decouple(chanend c_mix_out
                     SetupZerosSendBuffer(aud_to_host_usb_ep, sampFreq, g_curSubSlot_In, aud_to_host_zeros);
 #endif
 
-#if (NUM_USB_CHAN_OUT > 0)
                     /* Reset OUT buffer state */
                     outUnderflow = 1;
                     SET_SHARED_GLOBAL(g_aud_from_host_rdptr, aud_from_host_fifo_start);
@@ -835,7 +833,6 @@ void XUA_Buffer_Decouple(chanend c_mix_out
                         XUD_SetReady_OutPtr(aud_from_host_usb_ep, aud_from_host_fifo_start+4);
                         outOverflow = 0;
                     }
-#endif
                 }
 
                 /* Wait for handshake back and pass back up */
@@ -909,7 +906,6 @@ void XUA_Buffer_Decouple(chanend c_mix_out
                 GET_SHARED_GLOBAL(dataFormat, g_formatChange_DataFormat);
                 GET_SHARED_GLOBAL(sampRes, g_formatChange_SampRes);
 
-#if (NUM_USB_CHAN_OUT > 0)
                 /* Reset OUT buffer state */
                 SET_SHARED_GLOBAL(g_aud_from_host_rdptr, aud_from_host_fifo_start);
                 SET_SHARED_GLOBAL(g_aud_from_host_wrptr, aud_from_host_fifo_start);
@@ -925,7 +921,6 @@ void XUA_Buffer_Decouple(chanend c_mix_out
                     XUD_SetReady_OutPtr(aud_from_host_usb_ep, aud_from_host_fifo_start+4);
                     outOverflow = 0;
                 }
-#endif
 
 #ifdef NATIVE_DSD
                 if(dataFormat == UAC_FORMAT_TYPEI_RAW_DATA)

lib_xua/src/core/buffer/ep/ep_buffer.xc

@@ -1,4 +1,4 @@
-// Copyright 2011-2023 XMOS LIMITED.
+// Copyright 2011-2022 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include "xua.h"
 #if XUA_USB_EN
@@ -10,7 +10,7 @@
 #include "xud.h"
 #include "testct_byref.h"
 
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
 #include "xua_hid_report.h"
 #include "user_hid.h"
 #include "xua_hid.h"
@@ -134,7 +134,7 @@ void XUA_Buffer(
                 c_clk_int,
 #endif
                 c_sof, c_aud_ctl, p_off_mclk
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
                 , c_hid
 #endif
 #ifdef CHAN_BUFF_CTRL
@@ -224,7 +224,7 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
     XUD_ep ep_int = XUD_InitEp(c_ep_int);
 #endif
 
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
     XUD_ep ep_hid = XUD_InitEp(c_hid);
 #endif
     unsigned u_tmp;
@@ -332,7 +332,7 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
 #endif
 #endif
 
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
 
     while (!hidIsReportDescriptorPrepared())
         ;
@@ -897,7 +897,7 @@ void XUA_Buffer_Ep(register chanend c_aud_out,
 #endif
 #endif
 
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
                 /* HID Report Data */
             case XUD_SetData_Select(c_hid, ep_hid, result):
                 hid_ready_flag = 0U;

lib_xua/src/core/clocking/clockgen.xc

@@ -1,5 +1,6 @@
 // Copyright 2011-2023 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
+
 #include <xs1.h>
 #include <assert.h>
 #include <print.h>
@@ -140,6 +141,9 @@ static inline void setClockValidity(chanend c_interruptControl, int clkIndex, in
     }
 }
 
+
+
+
 /* Returns 1 for valid clock found else 0 */
 static inline int validSamples(Counter &counter, int clockIndex)
 {
@@ -215,6 +219,18 @@ static inline int validSamples(Counter &counter, int clockIndex)
 }
 #endif
 
+#if (XUA_SPDIF_RX_EN)
+//:badParity
+/* Returns 1 for bad parity, else 0 */
+static inline int badParity(unsigned x)
+{
+    unsigned X = (x>>4);
+    crc32(X, 0, 1);
+    return X & 1;
+}
+//:
+#endif
+
 #ifdef LEVEL_METER_LEDS
 void VendorLedRefresh(unsigned levelData[]);
 unsigned g_inputLevelData[NUM_USB_CHAN_IN];
@@ -232,7 +248,7 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
     unsigned clkMode = CLOCK_INTERNAL;              /* Current clocking mode in operation */
     unsigned tmp;
 
-    /* Start in no-SMUX (8-channel) mode */
+    /* start in no-SMUX (8-channel) mode */
     int smux = 0;
 
 #ifdef LEVEL_METER_LEDS
@@ -253,10 +269,9 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
     int spdifUnderflow = 1;
     int spdifSamps = 0;                            /* Number of samples in buffer */
     Counter spdifCounters;
-    int spdifRxTime;
+    int spdifReceivedTime;
     unsigned tmp2;
     unsigned spdifLeft = 0;
-    unsigned spdifRxData;
 #endif
 
 #if (XUA_ADAT_RX_EN)
@@ -281,21 +296,21 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
     }
 
     /* Init clock unit state */
-    clockFreq[CLOCK_INTERNAL] = 0;
-    clockId[CLOCK_INTERNAL] = ID_CLKSRC_INT;
-    clockValid[CLOCK_INTERNAL] = 0;
-    clockInt[CLOCK_INTERNAL] = 0;
 #if (XUA_SPDIF_RX_EN)
-    clockFreq[CLOCK_SPDIF] = 0;
-    clockValid[CLOCK_SPDIF] = 0;
-    clockInt[CLOCK_SPDIF] = 0;
-    clockId[CLOCK_SPDIF] = ID_CLKSRC_SPDIF;
+    clockFreq[CLOCK_SPDIF_INDEX] = 0;
+    clockValid[CLOCK_SPDIF_INDEX] = 0;
+    clockInt[CLOCK_SPDIF_INDEX] = 0;
+    clockId[CLOCK_SPDIF_INDEX] = ID_CLKSRC_SPDIF;
 #endif
+    clockFreq[CLOCK_INTERNAL_INDEX] = 0;
+    clockId[CLOCK_INTERNAL_INDEX] = ID_CLKSRC_INT;
+    clockValid[CLOCK_INTERNAL_INDEX] = 0;
+    clockInt[CLOCK_INTERNAL_INDEX] = 0;
 #if (XUA_ADAT_RX_EN)
-    clockFreq[CLOCK_ADAT] = 0;
-    clockInt[CLOCK_ADAT] = 0;
-    clockValid[CLOCK_ADAT] = 0;
-    clockId[CLOCK_ADAT] = ID_CLKSRC_ADAT;
+    clockFreq[CLOCK_ADAT_INDEX] = 0;
+    clockInt[CLOCK_ADAT_INDEX] = 0;
+    clockValid[CLOCK_ADAT_INDEX] = 0;
+    clockId[CLOCK_ADAT_INDEX] = ID_CLKSRC_ADAT;
 #endif
 #if (XUA_SPDIF_RX_EN)
     spdifCounters.receivedSamples = 0;
@@ -315,6 +330,7 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
     adatCounters.samplesPerTick = 0;
 #endif
 
+
     t_local :> timeNextEdge;
     timeLastEdge = timeNextEdge;
     timeNextClockDetection = timeNextEdge + (LOCAL_CLOCK_INCREMENT / 2);
@@ -389,9 +405,13 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
 
                     case SET_SEL:
                         /* Update clock mode */
-                        clkMode = inuint(c_clk_ctl);
+                        tmp = inuint(c_clk_ctl);
                         chkct(c_clk_ctl, XS1_CT_END);
 
+                        if(tmp!=0)
+                        {
+                            clkMode = tmp;
+                        }
 #ifdef CLOCK_VALIDITY_CALL
                         switch(clkMode)
                         {
@@ -400,12 +420,12 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
                                 break;
 #if (XUA_ADAT_RX_EN)
                             case CLOCK_ADAT:
-                                VendorClockValidity(clockValid[CLOCK_ADAT]);
+                                VendorClockValidity(clockValid[CLOCK_ADAT_INDEX]);
                                 break;
 #endif
 #if (XUA_SPDIF_RX_EN)
                             case CLOCK_SPDIF:
-                                VendorClockValidity(clockValid[CLOCK_SPDIF]);
+                                VendorClockValidity(clockValid[CLOCK_SPDIF_INDEX]);
                                 break;
 #endif
                         }
@@ -479,56 +499,58 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
 #endif
                 break;
 
+
 #if (XUA_SPDIF_RX_EN || XUA_ADAT_RX_EN)
             case t_external when timerafter(timeNextClockDetection) :> void:
-                {
-                    int valid;
+
                 timeNextClockDetection += (LOCAL_CLOCK_INCREMENT);
 #if (XUA_SPDIF_RX_EN)
+                tmp = spdifCounters.samplesPerTick;
+
                 /* Returns 1 if valid clock found */
-                    valid = validSamples(spdifCounters, CLOCK_SPDIF);
-                    setClockValidity(c_clk_int, CLOCK_SPDIF, valid, clkMode);
+                tmp = validSamples(spdifCounters, CLOCK_SPDIF_INDEX);
+                setClockValidity(c_clk_int, CLOCK_SPDIF_INDEX, tmp, clkMode);
 #endif
 #if (XUA_ADAT_RX_EN)
-                    /* Returns 1 if valid clock found */
-                    valid = validSamples(adatCounters, CLOCK_ADAT);
-                    setClockValidity(c_clk_int, CLOCK_ADAT, valid, clkMode);
+                tmp = validSamples(adatCounters, CLOCK_ADAT_INDEX);
+                setClockValidity(c_clk_int, CLOCK_ADAT_INDEX, tmp, clkMode);
 #endif
-                }
+
                 break;
+
 #endif
 
 #if (XUA_SPDIF_RX_EN)
-            /* Receive sample from S/PDIF RX thread (streaming chan) */
-            case c_spdif_rx :> spdifRxData:
+            /* Receive sample from S/PDIF RX thread (steaming chan) */
+            case c_spdif_rx :> tmp:
 
                 /* Record time of sample */
-                t_local :> spdifRxTime;
+				t_local :> spdifReceivedTime;
 
                 /* Check parity and ignore if bad */
-                if(spdif_rx_check_parity(spdifRxData))
+                if(badParity(tmp))
                     continue;
 
-                /* Get preamble */
-                unsigned preamble = spdifRxData & SPDIF_RX_PREAMBLE_MASK;
-
-                switch(preamble)
+                /* Get pre-amble */
+				tmp2 = tmp & 0xF;
+                switch(tmp2)
                 {
                     /* LEFT */
                     case SPDIF_FRAME_X:
                     case SPDIF_FRAME_Z:
-                        spdifLeft = SPDIF_RX_EXTRACT_SAMPLE(spdifRxData);
+
+                        spdifLeft = tmp << 4;
                         break;
 
                     /* RIGHT */
                     case SPDIF_FRAME_Y:
 
                         /* Only store sample if not in overflow and stream is reasonably valid */
-                        if(!spdifOverflow && clockValid[CLOCK_SPDIF])
+                        if(!spdifOverflow && clockValid[CLOCK_SPDIF_INDEX])
                         {
                             /* Store left and right sample pair to buffer */
                             spdifSamples[spdifWr] = spdifLeft;
-                            spdifSamples[spdifWr+1] = SPDIF_RX_EXTRACT_SAMPLE(spdifRxData);
+                            spdifSamples[spdifWr+1] = tmp << 4;
 
                             spdifWr = (spdifWr + 2) & (MAX_SPDIF_SAMPLES - 1);
 
@@ -556,7 +578,7 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
 
                 spdifCounters.samples += 1;
 
-                if(clkMode == CLOCK_SPDIF && clockValid[CLOCK_SPDIF])
+                if(clkMode == CLOCK_SPDIF && clockValid[CLOCK_SPDIF_INDEX])
                 {
                     spdifCounters.receivedSamples+=1;
 
@@ -564,13 +586,13 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
                     if((spdifCounters.receivedSamples >=  spdifCounters.samplesPerTick))
                     {
                         /* Check edge is about right... S/PDIF may have changed freq... */
-                        if(timeafter(spdifRxTime, (timeLastEdge + LOCAL_CLOCK_INCREMENT - LOCAL_CLOCK_MARGIN)))
+                        if(timeafter(spdifReceivedTime, (timeLastEdge + LOCAL_CLOCK_INCREMENT - LOCAL_CLOCK_MARGIN)))
                         {
                             /* Record edge time */
-                            timeLastEdge = spdifRxTime;
+                            timeLastEdge = spdifReceivedTime;
 
                             /* Setup for next edge */
-                            timeNextEdge = spdifRxTime + LOCAL_CLOCK_INCREMENT + LOCAL_CLOCK_MARGIN;
+                            timeNextEdge = spdifReceivedTime + LOCAL_CLOCK_INCREMENT + LOCAL_CLOCK_MARGIN;
 
                             /* Toggle edge */
                             i_pll_ref.toggle_timed(1);
@@ -605,7 +627,7 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
                         if (adatChannel == 8)
                         {
                             /* only store left samples if not in overflow and stream is reasonably valid */
-                            if (!adatOverflow && clockValid[CLOCK_ADAT])
+                            if (!adatOverflow && clockValid[CLOCK_ADAT_INDEX])
                             {
                                 /* Unpick the SMUX.. */
                                 if(smux == 2)
@@ -662,7 +684,7 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
                         {
                             adatCounters.samples += 1;
 
-                                if (clkMode == CLOCK_ADAT && clockValid[CLOCK_ADAT])
+                                if (clkMode == CLOCK_ADAT && clockValid[CLOCK_ADAT_INDEX])
                                 {
                                     adatCounters.receivedSamples += 1;
 
@@ -683,6 +705,7 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
 
                                             /* Reset counters */
                                             adatCounters.receivedSamples = 0;
+
                                         }
                                     }
                                 }
@@ -693,6 +716,7 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
                     break;
 #endif
 
+
 #if (XUA_SPDIF_RX_EN || XUA_ADAT_RX_EN)
 			/* AudioHub requests data */
 			case inuint_byref(c_dig_rx, tmp):
@@ -732,6 +756,7 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
                             spdifOverflow = 0;
                         }
                     }
+
 #endif
 #if (XUA_ADAT_RX_EN)
                 if (adatUnderflow)
@@ -817,6 +842,8 @@ void clockGen (streaming chanend ?c_spdif_rx, chanend ?c_adat_rx, client interfa
 				break;
 #endif
         }
+
     }
 }
 
+

lib_xua/src/core/endpoint0/descriptor_defs.h

@@ -1,4 +1,4 @@
-// Copyright 2015-2023 XMOS LIMITED.
+// Copyright 2015-2021 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 
 #ifndef __DESCRIPTOR_DEFS_H__
@@ -33,7 +33,6 @@
 #define ENDPOINT_ADDRESS_OUT_MIDI                 (ENDPOINT_NUMBER_OUT_MIDI)
 #define ENDPOINT_ADDRESS_OUT_IAP                  (ENDPOINT_NUMBER_OUT_IAP)
 #define ENDPOINT_ADDRESS_OUT_IAP_EA_NATIVE_TRANS  (ENDPOINT_NUMBER_OUT_IAP_EA_NATIVE_TRANS)
-#define ENDPOINT_ADDRESS_OUT_HID                  (ENDPOINT_NUMBER_OUT_HID)
 
 /* Interface numbers enum */
 enum USBInterfaceNumber
@@ -61,7 +60,7 @@ enum USBInterfaceNumber
     INTERFACE_NUMBER_IAP_EA_NATIVE_TRANS,
 #endif
 #endif
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
     INTERFACE_NUMBER_HID,
 #endif
     INTERFACE_COUNT          /* End marker */
@@ -71,8 +70,4 @@ enum USBInterfaceNumber
 #define ENDPOINT_INT_INTERVAL_IN_HID 0x08
 #endif
 
-#ifndef ENDPOINT_INT_INTERVAL_OUT_HID
-#define ENDPOINT_INT_INTERVAL_OUT_HID 0x08
-#endif
-
 #endif

lib_xua/src/core/endpoint0/xua_endpoint0.c

@@ -26,7 +26,7 @@
 #include "xc_ptr.h"
 #include "xua_ep0_uacreqs.h"
 
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
 #include "hid.h"
 #include "xua_hid.h"
 #include "xua_hid_report.h"
@@ -442,15 +442,6 @@ void XUA_Endpoint0_setBcdDevice(unsigned short bcd) {
 #endif // AUDIO_CLASS == 1}
 }
 
-#if defined(__static_hid_report_h_exists__)
-#define hidReportDescriptorLength (sizeof(hidReportDescriptorPtr))
-static unsigned char hidReportDescriptorPtr[] = {
-#include "static_hid_report.h"
-};
-#endif
-
-
-
 void XUA_Endpoint0_init(chanend c_ep0_out, chanend c_ep0_in, NULLABLE_RESOURCE(chanend, c_audioControl),
     chanend c_mix_ctl, chanend c_clk_ctl, chanend c_EANativeTransport_ctrl, CLIENT_INTERFACE(i_dfu, dfuInterface) VENDOR_REQUESTS_PARAMS_DEC_)
 {
@@ -522,13 +513,11 @@ void XUA_Endpoint0_init(chanend c_ep0_out, chanend c_ep0_in, NULLABLE_RESOURCE(c
 
 #endif // XUA_USB_DESCRIPTOR_OVERWRITE_RATE_RES
 
-#if XUA_OR_STATIC_HID_ENABLED
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
     hidReportInit();
     hidPrepareReportDescriptor();
 
     size_t hidReportDescriptorLength = hidGetReportDescriptorLength();
-#endif
     unsigned char hidReportDescriptorLengthLo =  hidReportDescriptorLength & 0xFF;
     unsigned char hidReportDescriptorLengthHi = (hidReportDescriptorLength & 0xFF00) >> 8;
 
@@ -539,7 +528,6 @@ void XUA_Endpoint0_init(chanend c_ep0_out, chanend c_ep0_in, NULLABLE_RESOURCE(c
 
     hidDescriptor[HID_DESCRIPTOR_LENGTH_FIELD_OFFSET    ] = hidReportDescriptorLengthLo;
     hidDescriptor[HID_DESCRIPTOR_LENGTH_FIELD_OFFSET + 1] = hidReportDescriptorLengthHi;
-
 #endif // 0 < HID_CONTROLS
 
 }
@@ -743,7 +731,7 @@ void XUA_Endpoint0_loop(XUD_Result_t result, USB_SetupPacket_t sp, chanend c_ep0
 
                 switch(sp.bRequest)
                 {
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
                     case USB_GET_DESCRIPTOR:
 
                         /* Check what inteface request is for */
@@ -758,17 +746,15 @@ void XUA_Endpoint0_loop(XUD_Result_t result, USB_SetupPacket_t sp, chanend c_ep0
                                     {
                                         /* Return HID Descriptor */
                                          result = XUD_DoGetRequest(ep0_out, ep0_in, hidDescriptor,
-                                            hidDescriptor[0], sp.wLength);
+                                            sizeof(hidDescriptor), sp.wLength);
                                     }
                                     break;
                                 case HID_REPORT:
                                     {
                                         /* Return HID report descriptor */
-#if XUA_HID_ENABLED
                                         unsigned char* hidReportDescriptorPtr;
                                         hidReportDescriptorPtr = hidGetReportDescriptor();
                                         size_t hidReportDescriptorLength = hidGetReportDescriptorLength();
-#endif
                                         result = XUD_DoGetRequest(ep0_out, ep0_in, hidReportDescriptorPtr,
                                             hidReportDescriptorLength, sp.wLength);
                                     }
@@ -872,7 +858,7 @@ void XUA_Endpoint0_loop(XUD_Result_t result, USB_SetupPacket_t sp, chanend c_ep0
                         }
                     }
 #endif
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
                     if (interfaceNum == INTERFACE_NUMBER_HID)
                     {
                         result = HidInterfaceClassRequests(ep0_out, ep0_in, &sp);

lib_xua/src/core/endpoint0/xua_ep0_descriptors.h

@@ -481,7 +481,7 @@ USB_Descriptor_Device_t devDesc_Audio2 =
     .iManufacturer                  = offsetof(StringDescTable_t, vendorStr)/sizeof(char *),
     .iProduct                       = offsetof(StringDescTable_t, productStr_Audio2)/sizeof(char *),
     .iSerialNumber                  = offsetof(StringDescTable_t, serialStr)/sizeof(char *),
-    .bNumConfigurations             = 0x01
+    .bNumConfigurations             = 0x02  /* Set to 2 such that windows does not load composite driver */
 };
 
 /* Device Descriptor for Null Device */
@@ -787,13 +787,10 @@ typedef struct
 #endif
 #endif // IAP
 
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
     USB_Descriptor_Interface_t                  HID_Interface;
     USB_HID_Descriptor_t                        HID_Descriptor;
     USB_Descriptor_Endpoint_t                   HID_In_Endpoint;
-#if HID_OUT_REQUIRED
-    USB_Descriptor_Endpoint_t                   HID_Out_Endpoint;
-#endif
 #endif
 
 }__attribute__((packed)) USB_Config_Descriptor_Audio2_t;
@@ -2211,14 +2208,14 @@ USB_Config_Descriptor_Audio2_t cfgDesc_Audio2=
 #endif
 #endif /* IAP */
 
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
     #include "xua_hid_descriptors.h"
 #endif
 
 };
 #endif /* (AUDIO_CLASS == 2) */
 
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
 #if (AUDIO_CLASS ==1 )
 unsigned char hidDescriptor[] =
 {
@@ -2333,14 +2330,14 @@ const unsigned num_freqs_a1 = MAX(3, (0
 #define DFU_INTERFACES_A1     0
 #endif
 
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
 /*
  * The value of HID_INTERFACE_BYTES must match the length of the descriptors defined in
  * - xua_hid_descriptor_contents.h
  * - xua_hid_endpoint_descriptor_contents.h and
  * - xua_hid_interface_descriptor_contents.h
  */
-#define HID_INTERFACE_BYTES   ( 9 + 9 + (7 * (1 + HID_OUT_REQUIRED))) // always IN
+#define HID_INTERFACE_BYTES   ( 9 + 9 + 7 )
 #define HID_INTERFACES_A1     1
 #else
 #define HID_INTERFACE_BYTES   0
@@ -2382,7 +2379,7 @@ const unsigned num_freqs_a1 = MAX(3, (0
 
 #endif
 
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
     #define USB_HID_DESCRIPTOR_OFFSET (18 + AC_TOTAL_LENGTH + (INPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + (OUTPUT_INTERFACES_A1 * (49 + num_freqs_a1 * 3)) + CONTROL_INTERFACE_BYTES + DFU_INTERFACE_BYTES + INTERFACE_DESCRIPTOR_BYTES)
 #endif
 
@@ -2896,7 +2893,7 @@ unsigned char cfgDesc_Audio1[] =
     offsetof(StringDescTable_t, ctrlStr)/sizeof(char *), /* 8 iInterface */
 #endif
 
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
     #include "xua_hid_descriptors.h"
 #endif
 

lib_xua/src/core/endpoint0/xua_ep0_uacreqs.xc

@@ -456,35 +456,34 @@ int AudioClassRequests_2(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, c
                                     (buffer, unsigned char[])[0] = 1;
                                     return XUD_DoGetRequest(ep0_out, ep0_in, (buffer, unsigned char[]), 1, sp.wLength);
                                     break;
-#if (XUA_SPDIF_RX_EN)
+
                                 case ID_CLKSRC_SPDIF:
 
                                     /* Interogate clockgen thread for validity */
                                     if (!isnull(c_clk_ctl))
                                     {
                                         outuint(c_clk_ctl, GET_VALID);
-                                        outuint(c_clk_ctl, CLOCK_SPDIF);
+                                        outuint(c_clk_ctl, CLOCK_SPDIF_INDEX);
                                         outct(c_clk_ctl, XS1_CT_END);
                                         (buffer, unsigned char[])[0] = inuint(c_clk_ctl);
                                         chkct(c_clk_ctl, XS1_CT_END);
                                         return XUD_DoGetRequest(ep0_out, ep0_in, (buffer, unsigned char[]), 1, sp.wLength);
                                     }
+
                                     break;
-#endif
-#if (XUA_ADAT_RX_EN)
+
                                  case ID_CLKSRC_ADAT:
 
                                     if (!isnull(c_clk_ctl))
                                     {
                                         outuint(c_clk_ctl, GET_VALID);
-                                        outuint(c_clk_ctl, CLOCK_ADAT);
+                                        outuint(c_clk_ctl, CLOCK_ADAT_INDEX);
                                         outct(c_clk_ctl, XS1_CT_END);
                                         (buffer, unsigned char[])[0] = inuint(c_clk_ctl);
                                         chkct(c_clk_ctl, XS1_CT_END);
                                         return XUD_DoGetRequest(ep0_out, ep0_in, (buffer, unsigned char[]), 1, sp.wLength);
                                     }
                                     break;
-#endif
 
                                 default:
                                     //Unknown Unit ID in Clock Valid Control Request
@@ -514,23 +513,19 @@ int AudioClassRequests_2(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, c
                                 return result;
                             }
 
+                            /* Check for correct datalength for clock sel */
                             if(datalength == 1)
-                            {
-                                int clockIndex = (int) (buffer, unsigned char[])[0];
-                                clockIndex -= 1; /* Index to/from host is 1-based */
-
-                                if((clockIndex >= 0) && (clockIndex < CLOCK_COUNT))
                             {
                                 if (!isnull(c_clk_ctl))
                                 {
                                     outuint(c_clk_ctl, SET_SEL);
-                                        outuint(c_clk_ctl, clockIndex);
+                                    outuint(c_clk_ctl, (buffer, unsigned char[])[0]);
                                     outct(c_clk_ctl, XS1_CT_END);
                                 }
                                 /* Send 0 Length as status stage */
                                 return XUD_DoSetRequestStatus(ep0_in);
                             }
-                            }
+
                         }
                         else
                         {
@@ -538,15 +533,13 @@ int AudioClassRequests_2(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, c
                             (buffer, unsigned char[])[0] = 1;
                             if (!isnull(c_clk_ctl))
                             {
-                                int clockIndex;
                                 outuint(c_clk_ctl, GET_SEL);
                                 outct(c_clk_ctl, XS1_CT_END);
-                                clockIndex = inuint(c_clk_ctl);
-                                clockIndex += 1; /* Index to/from host is 1-based */
-                                (buffer, unsigned char[])[0] = (unsigned char) clockIndex;
+                                (buffer, unsigned char[])[0] = inuint(c_clk_ctl);
                                 chkct(c_clk_ctl, XS1_CT_END);
                             }
                             return XUD_DoGetRequest( ep0_out, ep0_in, (buffer, unsigned char[]), 1, sp.wLength );
+
                         }
                     }
                     break;
@@ -923,20 +916,17 @@ int AudioClassRequests_2(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, c
                                     {
                                         storeFreq((buffer, unsigned char[]), i, currentFreq44);
                                         num_freqs++;
+                                        currentFreq44*=2;
                                     }
 
-                                    currentFreq44*=2;
-
-                                    if((currentFreq48 <= maxFreq) && (currentFreq48 >= MIN_FREQ))
+                                    if((currentFreq48 <= maxFreq))
                                     {
                                         /* Note i passed byref here */
                                         storeFreq((buffer, unsigned char[]), i, currentFreq48);
                                         num_freqs++;
-                                    }
-
                                         currentFreq48*=2;
-
-                                    if((currentFreq48 > MAX_FREQ) && (currentFreq44 > MAX_FREQ))
+                                    }
+                                    else
                                     {
                                         break;
                                     }

lib_xua/src/core/main.xc

@@ -30,8 +30,8 @@
 #include "iap.h"
 #endif
 
-#if (XUA_SPDIF_RX_EN || XUA_SPDIF_TX_EN)
-#include "spdif.h"                     /* From lib_spdif */
+#if (XUA_SPDIF_RX_EN)
+#include "spdif.h"
 #endif
 
 #if (XUA_ADAT_RX_EN)
@@ -42,6 +42,10 @@
 #include "xua_pdm_mic.h"
 #endif
 
+#if (XUA_SPDIF_TX_EN)
+#include "spdif.h"   /* From lib_spdif */
+#endif
+
 #if (XUA_DFU_EN == 1)
 [[distributable]]
 void DFUHandler(server interface i_dfu i, chanend ?c_user_cmd);
@@ -209,9 +213,6 @@ XUD_EpType epTypeTableOut[ENDPOINT_COUNT_OUT] = { XUD_EPTYPE_CTL | XUD_STATUS_EN
 #ifdef MIDI
                                             XUD_EPTYPE_BUL,    /* MIDI */
 #endif
-#if HID_OUT_REQUIRED
-                                            XUD_EPTYPE_INT,
-#endif
 #ifdef IAP
                                             XUD_EPTYPE_BUL,    /* iAP */
 #ifdef IAP_EA_NATIVE_TRANS
@@ -232,7 +233,7 @@ XUD_EpType epTypeTableIn[ENDPOINT_COUNT_IN] = { XUD_EPTYPE_CTL | XUD_STATUS_ENAB
 #ifdef MIDI
                                             XUD_EPTYPE_BUL,
 #endif
-#if XUA_OR_STATIC_HID_ENABLED
+#if( 0 < HID_CONTROLS )
                                             XUD_EPTYPE_INT,
 #endif
 #ifdef IAP
@@ -266,6 +267,115 @@ void xscope_user_init()
 }
 #endif
 
+#if XUA_USB_EN
+/* Core USB Audio functions - must be called on the Tile connected to the USB Phy */
+void usb_audio_core(chanend c_mix_out
+#ifdef MIDI
+    , chanend c_midi
+#endif
+#if (MIXER)
+    , chanend c_mix_ctl
+#endif
+    , chanend ?c_clk_int
+    , chanend ?c_clk_ctl
+    , client interface i_dfu ?dfuInterface
+#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
+    , client interface pll_ref_if i_pll_ref
+#endif
+VENDOR_REQUESTS_PARAMS_DEC_
+)
+{
+    chan c_sof;
+    chan c_xud_out[ENDPOINT_COUNT_OUT];              /* Endpoint channels for XUD */
+    chan c_xud_in[ENDPOINT_COUNT_IN];
+    chan c_aud_ctl;
+
+#if (!MIXER)
+#define c_mix_ctl null
+#endif
+
+#ifdef IAP_EA_NATIVE_TRANS
+    chan c_EANativeTransport_ctrl;
+#else
+#define c_EANativeTransport_ctrl null
+#endif
+
+    par
+    {
+        {
+#ifdef XUD_PRIORITY_HIGH
+            set_core_high_priority_on();
+#endif
+
+            /* Run UAC2.0 at high-speed, UAC1.0 at full-speed */
+            unsigned usbSpeed = (AUDIO_CLASS == 2) ? XUD_SPEED_HS : XUD_SPEED_FS;
+
+            unsigned xudPwrCfg = (XUA_POWERMODE == XUA_POWERMODE_SELF) ? XUD_PWR_SELF : XUD_PWR_BUS;
+
+            /* USB interface core */
+            XUD_Main(c_xud_out, ENDPOINT_COUNT_OUT, c_xud_in, ENDPOINT_COUNT_IN,
+                c_sof, epTypeTableOut, epTypeTableIn, usbSpeed, xudPwrCfg);
+        }
+
+        {
+            unsigned x;
+            thread_speed();
+
+            /* Attach mclk count port to mclk clock-block (for feedback) */
+            //set_port_clock(p_for_mclk_count, clk_audio_mclk);
+#if(AUDIO_IO_TILE != XUD_TILE)
+            set_clock_src(clk_audio_mclk_usb, p_mclk_in_usb);
+            set_port_clock(p_for_mclk_count, clk_audio_mclk_usb);
+            start_clock(clk_audio_mclk_usb);
+#else
+            /* Clock port from same clock-block as I2S */
+            /* TODO remove asm() */
+            asm("ldw %0, dp[clk_audio_mclk]":"=r"(x));
+            asm("setclk res[%0], %1"::"r"(p_for_mclk_count), "r"(x));
+#endif
+            /* Endpoint & audio buffering cores */
+            XUA_Buffer(c_xud_out[ENDPOINT_NUMBER_OUT_AUDIO],/* Audio Out*/
+#if (NUM_USB_CHAN_IN > 0)
+
+                c_xud_in[ENDPOINT_NUMBER_IN_AUDIO],         /* Audio In */
+#endif
+#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
+                c_xud_in[ENDPOINT_NUMBER_IN_FEEDBACK],      /* Audio FB */
+#endif
+#ifdef MIDI
+                c_xud_out[ENDPOINT_NUMBER_OUT_MIDI],        /* MIDI Out */ // 2
+                c_xud_in[ENDPOINT_NUMBER_IN_MIDI],          /* MIDI In */  // 4
+                c_midi,
+#endif
+#if (XUA_SPDIF_RX_EN || XUA_ADAT_RX_EN)
+                /* Audio Interrupt - only used for interrupts on external clock change */
+                c_xud_in[ENDPOINT_NUMBER_IN_INTERRUPT],
+                c_clk_int,
+#endif
+                c_sof, c_aud_ctl, p_for_mclk_count
+#if (HID_CONTROLS)
+                , c_xud_in[ENDPOINT_NUMBER_IN_HID]
+#endif
+                , c_mix_out
+#if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
+                , i_pll_ref
+#endif
+            );
+            //:
+        }
+
+        /* Endpoint 0 Core */
+        {
+            thread_speed();
+            XUA_Endpoint0( c_xud_out[0], c_xud_in[0], c_aud_ctl, c_mix_ctl, c_clk_ctl, c_EANativeTransport_ctrl, dfuInterface VENDOR_REQUESTS_PARAMS_);
+        }
+
+        //:
+    }
+}
+#endif /* XUA_USB_EN */
+
+
 #if (XUA_SPDIF_TX_EN) && (SPDIF_TX_TILE != AUDIO_IO_TILE)
 void SpdifTxWrapper(chanend c_spdif_tx)
 {
@@ -336,7 +446,7 @@ void usb_audio_io(chanend ?c_aud_in,
 
     par
     {
-#if (MIXER && XUA_USB_EN)
+#if (MIXER)
         /* Mixer cores(s) */
         {
             thread_speed();
@@ -465,20 +575,6 @@ int main()
 
 #if ((XUA_SYNCMODE == XUA_SYNCMODE_SYNC) || XUA_SPDIF_RX_EN || XUA_ADAT_RX_EN)
     interface pll_ref_if i_pll_ref;
-#endif
-    chan c_sof;
-    chan c_xud_out[ENDPOINT_COUNT_OUT];              /* Endpoint channels for XUD */
-    chan c_xud_in[ENDPOINT_COUNT_IN];
-    chan c_aud_ctl;
-
-#if (!MIXER)
-#define c_mix_ctl null
-#endif
-
-#ifdef IAP_EA_NATIVE_TRANS
-    chan c_EANativeTransport_ctrl;
-#else
-#define c_EANativeTransport_ctrl null
 #endif
 
     USER_MAIN_DECLARATIONS
@@ -493,83 +589,35 @@ int main()
         on tile[XUD_TILE]:
         par
         {
-#if XUA_USB_EN
-#if ((XUD_TILE == 0) && (XUA_DFU_EN == 1))
+#if (XUD_TILE == 0)
             /* Check if USB is on the flash tile (tile 0) */
+#if (XUA_DFU_EN == 1)
             [[distribute]]
             DFUHandler(dfuInterface, null);
 #endif
-
-            /* Core USB task, buffering, USB etc */
-            {
-#ifdef XUD_PRIORITY_HIGH
-                set_core_high_priority_on();
 #endif
-
-                /* Run UAC2.0 at high-speed, UAC1.0 at full-speed */
-                unsigned usbSpeed = (AUDIO_CLASS == 2) ? XUD_SPEED_HS : XUD_SPEED_FS;
-
-                unsigned xudPwrCfg = (XUA_POWERMODE == XUA_POWERMODE_SELF) ? XUD_PWR_SELF : XUD_PWR_BUS;
-
-                /* USB interface core */
-                XUD_Main(c_xud_out, ENDPOINT_COUNT_OUT, c_xud_in, ENDPOINT_COUNT_IN,
-                         c_sof, epTypeTableOut, epTypeTableIn, usbSpeed, xudPwrCfg);
-            }
-
+#if XUA_USB_EN
             /* Core USB audio task, buffering, USB etc */
-            {
-                unsigned x;
-                thread_speed();
-
-                /* Attach mclk count port to mclk clock-block (for feedback) */
-                //set_port_clock(p_for_mclk_count, clk_audio_mclk);
-#if(AUDIO_IO_TILE != XUD_TILE)
-                set_clock_src(clk_audio_mclk_usb, p_mclk_in_usb);
-                set_port_clock(p_for_mclk_count, clk_audio_mclk_usb);
-                start_clock(clk_audio_mclk_usb);
-#else
-                /* Clock port from same clock-block as I2S */
-                /* TODO remove asm() */
-                asm("ldw %0, dp[clk_audio_mclk]":"=r"(x));
-                asm("setclk res[%0], %1"::"r"(p_for_mclk_count), "r"(x));
-#endif
-                /* Endpoint & audio buffering cores */
-                XUA_Buffer(c_xud_out[ENDPOINT_NUMBER_OUT_AUDIO],/* Audio Out*/
-#if (NUM_USB_CHAN_IN > 0)
-
-                           c_xud_in[ENDPOINT_NUMBER_IN_AUDIO],         /* Audio In */
-#endif
-#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
-                           c_xud_in[ENDPOINT_NUMBER_IN_FEEDBACK],      /* Audio FB */
-#endif
+            usb_audio_core(c_mix_out
 #ifdef MIDI
-                           c_xud_out[ENDPOINT_NUMBER_OUT_MIDI],        /* MIDI Out */ // 2
-                           c_xud_in[ENDPOINT_NUMBER_IN_MIDI],          /* MIDI In */  // 4
-                           c_midi,
+                , c_midi
 #endif
-#if (XUA_SPDIF_RX_EN || XUA_ADAT_RX_EN)
-                           /* Audio Interrupt - only used for interrupts on external clock change */
-                           c_xud_in[ENDPOINT_NUMBER_IN_INTERRUPT],
-                           c_clk_int,
+#ifdef IAP
+                , c_iap
+#ifdef IAP_EA_NATIVE_TRANS
+                , c_ea_data
 #endif
-                           c_sof, c_aud_ctl, p_for_mclk_count
-#if (XUA_HID_ENABLED)
-                           , c_xud_in[ENDPOINT_NUMBER_IN_HID]
 #endif
-                           , c_mix_out
+#if (MIXER)
+                , c_mix_ctl
+#endif
+                , c_clk_int, c_clk_ctl, dfuInterface
 #if (XUA_SYNCMODE == XUA_SYNCMODE_SYNC)
                 , i_pll_ref
 #endif
+                VENDOR_REQUESTS_PARAMS_
+
             );
-                //:
-            }
-
-            /* Endpoint 0 Core */
-            {
-                thread_speed();
-                XUA_Endpoint0( c_xud_out[0], c_xud_in[0], c_aud_ctl, c_mix_ctl, c_clk_ctl, c_EANativeTransport_ctrl, dfuInterface VENDOR_REQUESTS_PARAMS_);
-            }
-
 #endif /* XUA_USB_EN */
         }
 

lib_xua/src/core/user/hid/user_hid.h

@@ -1,4 +1,4 @@
-// Copyright 2013-2023 XMOS LIMITED.
+// Copyright 2013-2021 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 
 /**
@@ -34,7 +34,7 @@ typedef struct hidEvent_t {
 #define HID_MAX_DATA_BYTES ( 4 )
 #define HID_EVENT_INVALID_ID ( 0x100 )
 
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
 
 /**
  *  \brief  Get the data for the next HID Report
@@ -61,5 +61,21 @@ size_t UserHIDGetData( const unsigned id, unsigned char hidData[ HID_MAX_DATA_BY
  */
 void UserHIDInit( void );
 
+/**
+ *  \brief  Record that a HID event has occurred
+ *
+ *  \param[in]  hidEvent      A list of events which have occurred.
+ *                            Each element specifies a HID Report ID, a bit and byte
+ *                              within the HID Report and the value for it.
+ *                            Set the Report ID to zero if not using Report IDs
+ *                              (see 5.6, 6.2.2.7, 8.1 and 8.2).
+ *  \param[in]  hidEventCnt   The length of the \a hidEvent list.
+ *
+ *  \returns  The index of the first unrecorded event in \a hidEvent
+ *  \retval   Zero indicates no events were recorded
+ *  \retval   \a hidEventCnt indicates all events were recorded
+ */
+size_t UserHIDRecordEvent( const hidEvent_t hidEvent[], const size_t hidEventCnt );
+
 #endif /* ( 0 < HID_CONTROLS ) */
 #endif /* __USER_HID_H__ */

lib_xua/src/core/xua_commands.h

@@ -1,7 +1,8 @@
-// Copyright 2011-2023 XMOS LIMITED.
+// Copyright 2011-2021 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
-#ifndef _XUA_COMMANDS_H_
-#define _XUA_COMMANDS_H_
+
+#ifndef __XUA_INTERNAL_CMDS_H__
+#define __XUA_INTERNAL_CMDS_H__
 
 #include "xua.h"
 
@@ -10,19 +11,20 @@
 #define SET_SEL                 1       /* Set value of clock selector */
 #define GET_FREQ                2       /* Get current freq */
 #define GET_VALID               3       /* Get current validity */
-#define SET_SMUX                7       /* Set SMUX mode (ADAT) */
 
-enum
-{
-    CLOCK_INTERNAL = 0,
-#if XUA_SPDIF_RX_EN
-    CLOCK_SPDIF,
+#define CLOCK_INTERNAL          1
+#define CLOCK_SPDIF             2
+#if SPDIF_RX
+#define CLOCK_ADAT              3
+#else
+#define CLOCK_ADAT              2
 #endif
-#if XUA_ADAT_RX_EN
-    CLOCK_ADAT,
-#endif
-    CLOCK_COUNT
-};
+
+#define CLOCK_INTERNAL_INDEX    (CLOCK_INTERNAL - 1)
+#define CLOCK_ADAT_INDEX        (CLOCK_ADAT - 1)
+#define CLOCK_SPDIF_INDEX       (CLOCK_SPDIF - 1)
+
+#define SET_SMUX                7
 
 /* c_audioControl */
 #define SET_SAMPLE_FREQ         4

lib_xua/src/dfu/flash_interface.c

@@ -1,4 +1,4 @@
-// Copyright 2011-2023 XMOS LIMITED.
+// Copyright 2011-2021 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include <xs1.h>
 #include <flash.h>
@@ -72,7 +72,7 @@ int flash_cmd_init(void)
         return 1;
     }
 
-#if (!XUA_QUAD_SPI_FLASH)
+#ifndef QUAD_SPI_FLASH
     // Disable flash protection
     fl_setProtection(0);
 #endif

lib_xua/src/dfu/flashlib_user.c

@@ -1,11 +1,11 @@
-// Copyright 2012-2023 XMOS LIMITED.
+// Copyright 2012-2021 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include "xua.h"
 #if (XUA_DFU_EN == 1)
 #include "uac_hwresources.h"
 #include <xs1.h>
 #include <xclib.h>
-#if (XUA_QUAD_SPI_FLASH)
+#ifdef QUAD_SPI_FLASH
 #include <quadflashlib.h>
 #else
 #include <flashlib.h>
@@ -20,7 +20,7 @@
 
 #ifdef DFU_FLASH_DEVICE
 
-#if (XUA_QUAD_SPI_FLASH)
+#ifdef QUAD_SPI_FLASH
 /* Using specified flash device rather than all supported in tools */
 fl_QuadDeviceSpec flash_devices[] = {DFU_FLASH_DEVICE};
 #else
@@ -29,7 +29,7 @@ fl_DeviceSpec flash_devices[] = {DFU_FLASH_DEVICE};
 #endif
 #endif
 
-#if (XUA_QUAD_SPI_FLASH)
+#ifdef QUAD_SPI_FLASH
 /*
 typedef struct {
       out port qspiCS;
@@ -60,7 +60,7 @@ fl_PortHolderStruct p_flash =
 int flash_cmd_enable_ports()
 {
     int result = 0;
-#if (XUA_QUAD_SPI_FLASH)
+#ifdef QUAD_SPI_FLASH
     /* Ports not shared */
 #else
     setc(p_flash.spiMISO, XS1_SETC_INUSE_OFF);
@@ -89,14 +89,14 @@ int flash_cmd_enable_ports()
 #endif
 
 #ifdef DFU_FLASH_DEVICE
-#if (XUA_QUAD_SPI_FLASH)
+#ifdef QUAD_SPI_FLASH
     result = fl_connectToDevice(&p_qflash, flash_devices, sizeof(flash_devices) / sizeof(fl_QuadDeviceSpec));
 #else
     result = fl_connectToDevice(&p_flash, flash_devices, sizeof(flash_devices) / sizeof(fl_DeviceSpec));
 #endif
 #else
     /* Use default flash list */
-#if (XUA_QUAD_SPI_FLASH)
+#ifdef QUAD_SPI_FLASH
     result = fl_connect(&p_qflash);
 #else
     result = fl_connect(&p_flash);
@@ -117,7 +117,7 @@ int flash_cmd_disable_ports()
 {
     fl_disconnect();
 
-#if (!XUA_QUAD_SPI_FLASH)
+#ifndef QUAD_SPI_FLASH
     setc(p_flash.spiMISO, XS1_SETC_INUSE_OFF);
     setc(p_flash.spiCLK, XS1_SETC_INUSE_OFF);
     setc(p_flash.spiMOSI, XS1_SETC_INUSE_OFF);

lib_xua/src/hid/hid.xc

@@ -1,4 +1,4 @@
-// Copyright 2019-2023 XMOS LIMITED.
+// Copyright 2019-2022 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include <stdint.h>
 #include <xs1.h>
@@ -13,7 +13,7 @@
 #define DEBUG_PRINT_ENABLE_HID_XC 0
 #include "debug_print.h"
 
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
 static unsigned     HidCalcNewReportTime( const unsigned currentPeriod, const unsigned reportTime, const unsigned reportToSetIdleInterval, const unsigned newPeriod );
 static unsigned     HidCalcReportToSetIdleInterval( const unsigned reportTime );
 static unsigned     HidFindSetIdleActivationPoint( const unsigned currentPeriod, const unsigned timeWithinPeriod );

lib_xua/src/hid/hid_report.c

@@ -1,7 +1,7 @@
-// Copyright 2021-2023 XMOS LIMITED.
+// Copyright 2021-2022 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #include "xua_conf_full.h"
-#if XUA_HID_ENABLED
+#if( 0 < HID_CONTROLS )
 
 #include <assert.h>
 #include <stddef.h>

lib_xua/src/hid/xua_hid_endpoint_descriptor_contents.h

@@ -1,4 +1,4 @@
-// Copyright 2021-2023 XMOS LIMITED.
+// Copyright 2021 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 
 /**
@@ -31,19 +31,6 @@
     HID_ENDPOINT_DESCRIPTOR_PACKET_SIZE_HI, /* 5  wMaxPacketSize */
     ENDPOINT_INT_INTERVAL_IN_HID,           /* 6  bInterval */
 
-#if (HID_OUT_REQUIRED)
-
-    /* HID Endpoint descriptor (OUT) */
-    HID_ENDPOINT_DESCRIPTOR_LENGTH,         /* 0  bLength */
-    HID_ENDPOINT_DESCRIPTOR_TYPE,           /* 1  bDescriptorType */
-    ENDPOINT_ADDRESS_OUT_HID,               /* 2  bEndpointAddress  */
-    HID_ENDPOINT_ATTRIBUTES,                /* 3  bmAttributes (INTERRUPT) */
-    HID_ENDPOINT_DESCRIPTOR_PACKET_SIZE_LO, /* 4  wMaxPacketSize */
-    HID_ENDPOINT_DESCRIPTOR_PACKET_SIZE_HI, /* 5  wMaxPacketSize */
-    ENDPOINT_INT_INTERVAL_OUT_HID,          /* 6  bInterval */
-
-#endif
-
 #elif (AUDIO_CLASS == 2)
 
     .HID_In_Endpoint =
@@ -57,21 +44,6 @@
         .bInterval          = ENDPOINT_INT_INTERVAL_IN_HID,
     },
 
-#if (HID_OUT_REQUIRED)
-
-    .HID_Out_Endpoint =
-    {
-        /* Endpoint descriptor (OUT) */
-        .bLength            = sizeof(USB_Descriptor_Endpoint_t),
-        .bDescriptorType    = HID_ENDPOINT_DESCRIPTOR_TYPE,
-        .bEndpointAddress   = ENDPOINT_ADDRESS_OUT_HID,
-        .bmAttributes       = HID_ENDPOINT_ATTRIBUTES,
-        .wMaxPacketSize     = HID_ENDPOINT_DESCRIPTOR_PACKET_SIZE_LO,
-        .bInterval          = ENDPOINT_INT_INTERVAL_OUT_HID,
-    },
-
-#endif
-
 #else
     #error "Unknown Audio Class"
 #endif

lib_xua/src/hid/xua_hid_interface_descriptor_contents.h

@@ -1,4 +1,4 @@
-// Copyright 2021-2023 XMOS LIMITED.
+// Copyright 2021 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 
 /**
@@ -15,8 +15,7 @@
 #define HID_INTERFACE_DESCRIPTOR_LENGTH         ( 0x09 )    /* Size of descriptor in Bytes */
 #define HID_INTERFACE_DESCRIPTOR_TYPE           ( 0x04 )    /* Interface 0x04 */
 #define HID_INTERFACE_ALTERNATE_SETTING         ( 0x00 )    /* Value used alternate interfaces using SetInterface Request */
-#define HID_INTERFACE_NUMBER_OF_ENDPOINTS       ( 0x01 + HID_OUT_REQUIRED )
-                                                            /* Number of endpoints for this interface (excluding 0) */
+#define HID_INTERFACE_NUMBER_OF_ENDPOINTS       ( 0x01 )    /* Number of endpoitns for this interface (excluding 0) */
 #define HID_INTERFACE_CLASS                     ( 0x03 )
 #define HID_INTERFACE_SUBCLASS                  ( 0x00 )    /* No boot device */
 #define HID_INTERFACE_PROTOCOL                  ( 0x00 )

tests/test_i2s_loopback/simulation.xc

@@ -1,6 +1,7 @@
 // Copyright 2016-2023 XMOS LIMITED.
 // This Software is subject to the terms of the XMOS Public Licence: Version 1.
 #ifdef SIMULATION
+#include "xua.h"
 
 #include <platform.h>
 #include <print.h>
@@ -45,7 +46,7 @@ void slave_mode_clk_setup(const unsigned samFreq, const unsigned chans_per_frame
   const unsigned mclk_freq = 24576000;
 
   const unsigned mclk_bclk_ratio = mclk_freq / (chans_per_frame * samFreq * data_bits);
-  const unsigned bclk_lrclk_ratio = (chans_per_frame * data_bits); // 48.828Hz  LRCLK
+  const unsigned bclk_lrclk_ratio = (chans_per_frame * data_bits + (data_bits * XUA_I2S_DUMMY_SAMPS)); // 48.828Hz  LRCLK
 
   //bclk
   configure_clock_src_divide(clk_audio_bclk_gen, p_mclk_gen, mclk_bclk_ratio/2);