1 files changed, 145 insertions, 0 deletions
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..57c4095
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,145 @@
+MAKEFLAGS += --no-builtin-rules
+
+SRC = src/spi.c \
+      src/usart.c \
+      src/timer.c \
+      src/tasks.c \
+      src/ioport.c \
+      src/sensors/dht22.c \
+
+OBJ = $(patsubst %.c,%.o,$(SRC))
+DEP = $(patsubst %.c,%.d,$(SRC))
+
+# default configuration path. Can be changed by enviroment to build with
+# separate configuration files.
+CONFIG ?= .config
+
+.PHONY: all
+# Check if we have configuration"
+ifneq ("$(wildcard $(CONFIG))","")
+all: libioe.a
+else
+all: help $(CONFIG)
+endif
+
+$(CONFIG):
+	@echo Please generate configuration first using config or menuconfig target
+	@exit 1
+
+.PHONY: oldconfig
+oldconfig:
+	@[ ! -f "$(CONFIG)" ] || [ ! -f "$(CONFIG).orig" ] || mv "$(CONFIG).orig" config
+	@$(MAKE) -f kconfig/GNUmakefile --no-print-directory \
+		TOPDIR=. SRCDIR=kconfig oldconfig
+	@[ ! -f config ] || sed 's/="\(.*\)"/=\1/' config > "$(CONFIG)"
+	@[ ! -f config ] || mv config "$(CONFIG).orig"
+	@[ ! -f config.old ] || mv config.old "$(CONFIG).old"
+
+.PHONY: config
+config:
+	@[ ! -f "$(CONFIG)" ] || [ ! -f "$(CONFIG).orig" ] || mv "$(CONFIG).orig" config
+	@$(MAKE) -f kconfig/GNUmakefile --no-print-directory \
+		TOPDIR=. SRCDIR=kconfig config
+	@[ ! -f config ] || sed 's/="\(.*\)"/=\1/' config > "$(CONFIG)"
+	@[ ! -f config ] || mv config "$(CONFIG).orig"
+	@[ ! -f config.old ] || mv config.old "$(CONFIG).old"
+
+.PHONY: menuconfig
+menuconfig:
+	@[ ! -f "$(CONFIG)" ] || [ ! -f "$(CONFIG).orig" ] || mv "$(CONFIG).orig" config
+	@$(MAKE) -f kconfig/GNUmakefile --no-print-directory \
+		TOPDIR=. SRCDIR=kconfig menuconfig
+	@[ ! -f config ] || sed 's/="\(.*\)"/=\1/' config > "$(CONFIG)"
+	@[ ! -f config ] || mv config "$(CONFIG).orig"
+	@[ ! -f config.old ] || mv config.old "$(CONFIG).old"
+# Note about this file moving madness:
+# avr-ioe is using Kconfig for configuration and it is not prepared too well for
+# nested projects (at least I don't know way). This unfortunately means that to
+# have configuration in parent project, We have to move it every time we are
+# generating it. Also upper projects can't use Kconfig for its self configuration.
+
+# Check if we have configuration"
+ifneq ("$(wildcard $(CONFIG))","")
+ifeq (,$(findstring clean,$(MAKECMDGOALS)))
+ifeq (,$(findstring help,$(MAKECMDGOALS)))
+ifeq (,$(findstring docs,$(MAKECMDGOALS)))
+ifeq (,$(findstring serve-docs,$(MAKECMDGOALS)))
+ifeq (,$(findstring clean-docs,$(MAKECMDGOALS)))
+
+include $(CONFIG)
+-include $(DEP)
+
+CFLAGS = $(shell echo $(CONFCFLAGS)) $(shell echo -DF_CPU=$(F_CPU)000L) \
+		 -mmcu=$(MMCU) -Iinclude -imacros .config.h
+GCC = $(GNUTOOLCHAIN_PREFIX)gcc
+AR = $(GNUTOOLCHAIN_PREFIX)ar
+
+libioe.a: $(OBJ)
+	@echo " AR   $@"
+	@$(AR) -crs $@ $^
+
+$(OBJ): %.o: %.c .config.h
+	@echo " CC   $@"
+	@$(GCC) $(CFLAGS) -c -o $@ $<
+
+$(DEP): %.d: %.c .config.h
+	@echo " DEP  $@"
+	@$(GCC) -MM -MG -MT '$*.o $@' $(CFLAGS) -c -o $@ $<
+
+.config.h: $(CONFIG)
+	@echo " GEN  .config.h"
+	@grep -v "^#" $(CONFIG) | grep "CONFIG_" | sed 's/=/ /;s/^/#define /' > $@
+# This is not optimal because configuration change results to complete project
+# rebuild instead of only rebuilding required files.
+
+endif
+endif
+endif
+endif
+endif
+else
+
+libioe.a:
+	@echo Please generate configuration first using config or menuconfig target
+
+endif
+
+.PHONY: clean
+clean:
+	@echo " CLEAN OBJ"
+	@$(RM) $(OBJ)
+	@echo " CLEAN DEP"
+	@$(RM) $(DEP) .config.h
+	@echo " CLEAN libioe.a"
+	@$(RM) libioe.a
+
+.PHONY: docs
+docs:
+	@echo " DOC $@"
+	@mkdocs build
+
+
+.PHONY: serve-docs
+serve-docs:
+	@mkdocs serve
+
+.PHONY: clean-docs
+clean-docs:
+	@echo " CLEAN docs"
+	@$(RM) -r site
+
+.PHONY: distclean
+distclean: clean clean-docs
+	@echo " CLEAN CONFIG"
+	@$(RM) $(CONFIG) $(CONFIG).orig
+
+.PHONY: help
+help:
+	@echo  "all/libioe.a - Build library"
+	@echo  "config       - Start configuration program"
+	@echo  "menuconfig   - NCurses based configuration program"
+	@echo  "docs         - Build documentation"
+	@echo  "server-docs  - Start temporally http server with documentation"
+	@echo  "help         - Prints this text"
+	@echo  "clean        - Removing all object files generated from source files"
+	@echo  "clean-docs   - Remove generated documentation"