0b9e7d0d5d
The UART's baud rate is calculated using the current clock configuration from the clock module. This example makes use of the standard C library and writes the characters to the UART in blocking mode.
99 lines
2.7 KiB
Makefile
99 lines
2.7 KiB
Makefile
##
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## This file is part of the libopencm3 project.
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##
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## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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##
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## This library is free software: you can redistribute it and/or modify
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## it under the terms of the GNU Lesser General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This library is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU Lesser General Public License for more details.
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##
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## You should have received a copy of the GNU Lesser General Public License
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## along with this library. If not, see <http://www.gnu.org/licenses/>.
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##
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PREFIX ?= arm-none-eabi
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#PREFIX ?= arm-elf
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TARGETS := stm32/f0 stm32/f1 stm32/f2 stm32/f3 stm32/f4 stm32/l0 stm32/l1
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TARGETS += lpc/lpc13xx lpc/lpc17xx #lpc/lpc43xx
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TARGETS += tiva/lm3s tiva/lm4f
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TARGETS += efm32/efm32tg efm32/efm32g efm32/efm32lg efm32/efm32gg
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TARGETS += vf6xx
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# Be silent per default, but 'make V=1' will show all compiler calls.
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ifneq ($(V),1)
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Q := @
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# Do not print "Entering directory ...".
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MAKEFLAGS += --no-print-directory
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endif
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OPENCM3_DIR := $(realpath libopencm3)
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EXAMPLE_RULES = elf
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all: build
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bin: EXAMPLE_RULES += bin
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hex: EXAMPLE_RULES += hex
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srec: EXAMPLE_RULES += srec
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list: EXAMPLE_RULES += list
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images: EXAMPLE_RULES += images
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bin: build
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hex: build
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srec: build
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list: build
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images: build
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build: lib examples
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lib:
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$(Q)if [ ! "`ls -A libopencm3`" ] ; then \
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printf "######## ERROR ########\n"; \
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printf "\tlibopencm3 is not initialized.\n"; \
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printf "\tPlease run:\n"; \
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printf "\t$$ git submodule init\n"; \
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printf "\t$$ git submodule update\n"; \
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printf "\tbefore running make.\n"; \
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printf "######## ERROR ########\n"; \
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exit 1; \
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fi
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$(Q)$(MAKE) -C libopencm3
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EXAMPLE_DIRS:=$(sort $(dir $(wildcard $(addsuffix /*/*/Makefile,$(addprefix examples/,$(TARGETS))))))
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$(EXAMPLE_DIRS): lib
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@printf " BUILD $@\n";
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$(Q)$(MAKE) --directory=$@ OPENCM3_DIR=$(OPENCM3_DIR) $(EXAMPLE_RULES)
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examples: $(EXAMPLE_DIRS)
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$(Q)true
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clean: $(EXAMPLE_DIRS:=.clean) styleclean
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$(Q)$(MAKE) -C libopencm3 clean
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stylecheck: $(EXAMPLE_DIRS:=.stylecheck)
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styleclean: $(EXAMPLE_DIRS:=.styleclean)
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%.clean:
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$(Q)if [ -d $* ]; then \
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printf " CLEAN $*\n"; \
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$(MAKE) -C $* clean OPENCM3_DIR=$(OPENCM3_DIR) || exit $?; \
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fi;
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%.styleclean:
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$(Q)$(MAKE) -C $* styleclean OPENCM3_DIR=$(OPENCM3_DIR)
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%.stylecheck:
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$(Q)$(MAKE) -C $* stylecheck OPENCM3_DIR=$(OPENCM3_DIR)
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.PHONY: build lib examples $(EXAMPLE_DIRS) install clean stylecheck styleclean \
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bin hex srec list images
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