diff --git a/tests/test/test_assertion.c b/tests/test/test_assertion.c
index 300a28859..7f2394093 100644
--- a/tests/test/test_assertion.c
+++ b/tests/test/test_assertion.c
@@ -106,3 +106,46 @@ void test_assert_int_within_greater(void)
   ASSERT_INT_WITHIN (1, 5, 10, (void) 0);
   TEST_FAIL();
 }
+
+//--------------------------------------------------------------------+
+// HEX
+//--------------------------------------------------------------------+
+void test_assert_hex_equal(void)
+{
+  ASSERT_HEX       (0xffee, 0xffee, (void) 0);
+  ASSERT_HEX_EQUAL (0xffee, 0xffee, (void) 0);
+
+  uint32_t x = 0xf0f0;
+  uint32_t y = 0xf0f0;
+  ASSERT_HEX (x++, y++, (void) 0); // test side effect
+  TEST_ASSERT_EQUAL(0xf0f1, x);
+  TEST_ASSERT_EQUAL(0xf0f1, y);
+
+  ASSERT_HEX(0x1234, 0x4321, (void) 0);
+
+  TEST_FAIL();
+}
+
+void test_assert_hex_within_succeed(void)
+{
+  ASSERT_HEX_WITHIN (0xff00, 0xffff, 0xff11, (void) 0);
+  ASSERT_HEX_WITHIN (0xff00, 0xffff, 0xff00, (void) 0);
+  ASSERT_HEX_WITHIN (0xff00, 0xffff, 0xffff, (void) 0);
+}
+
+void test_assert_hex_within_less(void)
+{
+  ASSERT_HEX_WITHIN (0xff00, 0xffff, 0xeeee, (void) 0);
+  TEST_FAIL();
+}
+
+void test_assert_hex_within_greater(void)
+{
+  ASSERT_HEX_WITHIN (0xff00, 0xffff, 0x1eeee, (void) 0);
+  TEST_FAIL();
+}
+
+
+
+
+
diff --git a/tinyusb/common/assertion.h b/tinyusb/common/assertion.h
index 26dad566a..8fc19289a 100644
--- a/tinyusb/common/assertion.h
+++ b/tinyusb/common/assertion.h
@@ -105,8 +105,6 @@ extern "C"
 //--------------------------------------------------------------------+
 // Integer Assert
 //--------------------------------------------------------------------+
-#define TEST_INT_EQUAL
-
 #define ASSERT_INT(...)  ASSERT_INT_EQUAL(__VA_ARGS__)
 #define ASSERT_INT_EQUAL(expected, actual, error)  \
     ASSERT_DEFINE(\
@@ -122,6 +120,23 @@ extern "C"
                   error,\
                   "expected within %d-%d, actual %d", low, up, act)
 
+//--------------------------------------------------------------------+
+// Hex Assert
+//--------------------------------------------------------------------+
+#define ASSERT_HEX(...)  ASSERT_HEX_EQUAL(__VA_ARGS__)
+#define ASSERT_HEX_EQUAL(expected, actual, error)  \
+    ASSERT_DEFINE(\
+                  uint32_t exp = (expected); uint32_t act = (actual),\
+                  exp==act,\
+                  error,\
+                  "expected 0x%x, actual 0x%x", exp, act)
+
+#define ASSERT_HEX_WITHIN(lower, upper, actual, error) \
+    ASSERT_DEFINE(\
+                  uint32_t low = (lower); uint32_t up = (upper); uint32_t act = (actual),\
+                  (low <= act) && (act <= up),\
+                  error,\
+                  "expected within 0x%x-0x%x, actual 0x%x", low, up, act)
 
 #ifdef __cplusplus
 }