SHELL := /bin/sh
MAKEFLAGS += --no-print-directory
export CARGO_BUILD_JOBS ?= 2

.DEFAULT_GOAL := help
.DELETE_ON_ERROR:

override EMBEDDED_TARGET := thumbv7em-none-eabihf
CARGO_TARGET_DIR ?= ../target
override TARGET_DIR := $(CARGO_TARGET_DIR)/$(EMBEDDED_TARGET)/release

override BOARDS := geprc-f722-v2 kakute-f7-mini-v3
override BOARD_PACKAGES := $(addprefix kaptan-,$(BOARDS))
override BOARD_PACKAGE_ARGS := $(addprefix -p ,$(BOARD_PACKAGES))
override BOARD_BIN_ARGS := $(addprefix --bin ,$(BOARD_PACKAGES))

.NOTPARALLEL:
.PHONY: help build

help:
	@printf '%s\n' 'Usage: make -C firmware/boards build' '' \
		'  build  Build and package every board in release mode' \
		'CARGO_TARGET_DIR defaults to firmware/target; relative overrides are relative to firmware/boards/.' \
		'For one board: make -C firmware/boards/<board> build|flash'

build:
	cargo build --release --locked --offline $(BOARD_PACKAGE_ARGS) $(BOARD_BIN_ARGS) \
		--target $(EMBEDDED_TARGET) --target-dir "$(CARGO_TARGET_DIR)"
	@set -e; for board in $(BOARD_PACKAGES); do \
		../scripts/create-dfu-image.sh "$(TARGET_DIR)/$$board"; \
	done