- Added mixer related defines to reduce use of magic numbers

- Increases debug output when DEBUG flag set
- Removed some dead code
- Increased alignment of asm mixer functions
- Removed some usages of “xc_ptr” type in favour of native pointers in XC
- Added some asserts to mixer
- Added test_mixer_routing_input
- Moved test_mixer_routing_output to use shared code

tests/test_mixer_routing_input/Makefile

@@ -0,0 +1,19 @@
+
+DEBUG ?= 0
+
+ifeq ($(DEBUG),1)
+TEST_DEBUG_FLAGS = -g -DDEBUG_PRINT_ENABLE=1
+else
+TEST_DEBUG_FLAGS =
+endif
+
+TEST_FLAGS = -DTEST_SEED=$(TEST_SEED) $(TEST_DEBUG_FLAGS)
+
+XCC_FLAGS = -O3 $(TEST_FLAGS)
+
+TARGET = test_xs3_600.xn
+
+USED_MODULES = lib_xua lib_logging lib_random
+
+XMOS_MAKE_PATH ?= ../..
+-include $(XMOS_MAKE_PATH)/xcommon/module_xcommon/build/Makefile.common