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authorRyan <fauxpark@gmail.com>2020-10-23 12:21:56 +1100
committerGitHub <noreply@github.com>2020-10-23 12:21:56 +1100
commit2b9b267e8ee1a49c448b5f0f5b9fd634bd6c4489 (patch)
treeeb7232f4be9dd92d04d9137cf7fc91a480593263 /common_features.mk
parentf9bd9d3b269ef0e1be9189b2395350e2062fe4d0 (diff)
Fix RGB matrix for ATmegaxxU2 (#10723)
Diffstat (limited to 'common_features.mk')
-rw-r--r--common_features.mk4
1 files changed, 4 insertions, 0 deletions
diff --git a/common_features.mk b/common_features.mk
index e0ae1d74c1..5f232d5f0d 100644
--- a/common_features.mk
+++ b/common_features.mk
@@ -184,6 +184,10 @@ ifeq ($(filter $(RGB_MATRIX_ENABLE),$(VALID_MATRIX_TYPES)),)
$(error RGB_MATRIX_ENABLE="$(RGB_MATRIX_ENABLE)" is not a valid matrix type)
endif
OPT_DEFS += -DRGB_MATRIX_ENABLE
+ifneq (,$(filter $(MCU), atmega16u2 atmega32u2))
+ # ATmegaxxU2 does not have hardware MUL instruction - lib8tion must be told to use software multiplication routines
+ OPT_DEFS += -DLIB8_ATTINY
+endif
SRC += $(QUANTUM_DIR)/color.c
SRC += $(QUANTUM_DIR)/rgb_matrix.c
SRC += $(QUANTUM_DIR)/rgb_matrix_drivers.c