blinking working

external_led_blinky/Makefile

@@ -0,0 +1,20 @@
+TARGET = thumbv8m.main-none-eabihf
+CHIP = STM32U575ZI
+BIN = main
+MODE ?= release
+ELF = target/$(TARGET)/$(MODE)/$(BIN)
+PROBE = probe-rs
+
+.PHONY: all build flash empty
+
+all: build flash
+
+build:
+	cargo build --target $(TARGET) --$(MODE)
+
+flash: build
+	$(PROBE) run --chip $(CHIP) $(ELF)
+
+empty:
+	$(PROBE) erase --chip $(CHIP)
+