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-rw-r--r--keyboards/hhkb/rules.mk30
1 files changed, 30 insertions, 0 deletions
diff --git a/keyboards/hhkb/rules.mk b/keyboards/hhkb/rules.mk
index b8bfd73d2a..3abd31c33a 100644
--- a/keyboards/hhkb/rules.mk
+++ b/keyboards/hhkb/rules.mk
@@ -72,6 +72,36 @@ CUSTOM_MATRIX = yes # Custom matrix file for the HHKB
# UNICODE_ENABLE = yes # Unicode
# BLUETOOTH_ENABLE = yes # Enable Bluetooth with the Adafruit EZ-Key HID
+
+# HHKB_RN42_ENABLE = yes # Enable support for hasu's BT alt controller -- code borrowed from tmk source tree.
+
+# Either uncomment the HHKB_RN42_ENABLE line above, or run make enabling the
+# feature. Be sure to clean any existing build before trying to enable rn42
+# support. For example:
+#
+# make hhkb-keymap-clean
+# make hhkb-keymap-dfu HHKB_RN42_ENABLE=yes
+
+ifeq ($(strip $(HHKB_RN42_ENABLE)), yes)
+
+OPT_DEFS += -DHHKB_RN42_ENABLE
+
+# Support for the RN42 Bluetooth module. This is the BT module in Hasu's BT
+# HHKB Alt controller.
+RN42_DIR = rn42
+
+SRC += serial_uart.c \
+ rn42/suart.S \
+ rn42/rn42.c \
+ rn42/rn42_task.c \
+ rn42/battery.c \
+ rn42/main.c
+
+VPATH += $(RN42_DIR)
+
+endif
+
+
# debug-on: EXTRAFLAGS += -DDEBUG -DDEBUG_ACTION
# debug-on: all