start dt

dtoverlay/Makefile

@@ -0,0 +1,26 @@
+# Source and target file names
+DTS = counter.dts
+DTBO = counter.dtbo
+
+# Installation paths
+OVERLAY_DIR = /boot/overlays
+CONFIG_TXT = /boot/firmware/config.txt
+OVERLAY_NAME = counter
+
+all: $(DTBO)
+
+$(DTBO): $(DTS)
+	dtc -@ -I dts -O dtb -o $@ $<
+
+install: $(DTBO)
+	sudo cp $(DTBO) $(OVERLAY_DIR)/
+	@if ! grep -q "^dtoverlay=$(OVERLAY_NAME)$$" $(CONFIG_TXT); then \
+		echo "dtoverlay=$(OVERLAY_NAME)" | sudo tee -a $(CONFIG_TXT); \
+	else \
+		echo "Overlay already present in config.txt."; \
+	fi
+	@echo "Installation complete. Reboot your Raspberry Pi to activate the overlay."
+
+clean:
+	rm -f *.dtbo
+