3 files changed, 13 insertions, 2 deletions
diff --git a/tinyusb/common/assertion.h b/tinyusb/common/assertion.h
index f0f780fe9..67aeb90b9 100644
--- a/tinyusb/common/assertion.h
+++ b/tinyusb/common/assertion.h
@@ -58,6 +58,14 @@ extern "C"
 
 #include "tusb_option.h"
 
+//--------------------------------------------------------------------+
+// Compile-time Assert
+//--------------------------------------------------------------------+
+#ifdef __COUNTER__
+#define STATIC_ASSSERT(const_expr) enum { XSTRING_CONCAT(static_assert_, __COUNTER__) = 1/(!!(const_expr)) }
+#else
+#define STATIC_ASSSERT(const_expr) enum { XSTRING_CONCAT(static_assert_, __LINE__) = 1/(!!(const_expr)) }
+#endif
   //#if ( defined CFG_PRINTF_UART || defined CFG_PRINTF_USBCDC || defined CFG_PRINTF_DEBUG )
 #if TUSB_CFG_DEBUG
   #define _PRINTF(...)	printf(__VA_ARGS__)
diff --git a/tinyusb/common/common.h b/tinyusb/common/common.h
index c883faf2c..0f02cb3f0 100644
--- a/tinyusb/common/common.h
+++ b/tinyusb/common/common.h
@@ -85,8 +85,10 @@
   #define INLINE_
 #endif
 
-#define STRING_(x)  #x  // stringify without expand
-#define XSTRING_(x) STRING_(x) // expand then stringify
+#define STRING_(x)  #x                             // stringify without expand
+#define XSTRING_(x) STRING_(x)                     // expand then stringify
+#define STRING_CONCAT_(a, b) a##b                  // concat without expand
+#define XSTRING_CONCAT_(a, b) STRING_CONCAT_(a, b) // expand then concat
 
 #define U16_HIGH_U8(u16) ((uint8_t) (((u16) > 8) & 0x00ff))
 #define U16_LOW_U8(u16)  ((uint8_t) ((u16)       & 0x00ff))
diff --git a/tinyusb/common/errors.h b/tinyusb/common/errors.h
index 42855ffed..5ed6e6549 100644
--- a/tinyusb/common/errors.h
+++ b/tinyusb/common/errors.h
@@ -69,6 +69,7 @@
     ENTRY(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND)\
     ENTRY(TUSB_ERROR_USBH_MOUNT_CONFIG_DESC_TOO_LONG)\
     ENTRY(TUSB_ERROR_OSAL_TIMEOUT)\
+    ENTRY(TUSB_ERROR_OSAL_WAITING)\
     ENTRY(TUSB_ERROR_OSAL_TASK_FAILED)\
     ENTRY(TUSB_ERROR_OSAL_QUEUE_FAILED)\
     ENTRY(TUSB_ERROR_OSAL_SEMAPHORE_FAILED)\