.PHONY: all clean upload

SRC         = $(shell find src/) memory.x Cargo.toml build.rs
CARGO_CONF  = .cargo/config
CARGO_FLAGS = --release
BOSSA_FLAGS = -ewvRo 0x2000

TARGET_DIR  = target
TARGET_ARCH = $(shell grep -oP '^target\s+=\s+"\K[\w\-]+' $(CARGO_CONF))

CARGO_BIN   = $(TARGET_DIR)/$(TARGET_ARCH)/release/onyx
FLASH_IMG   = $(TARGET_DIR)/onyx.bin

all: $(FLASH_IMG)

$(FLASH_IMG): $(CARGO_BIN)
	arm-none-eabi-objcopy -O binary $< $@

$(CARGO_BIN): $(SRC)
	cargo build $(CARGO_FLAGS)

upload: $(FLASH_IMG)
	bossac $(BOSSA_FLAGS) $<

clean:
	$(RM) -r $(TARGET_DIR)