Added initial support for the LuminaryMicro LM3S family.
This commit is contained in:
Gareth McMullin
38
examples/lm3s/Makefile
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38
examples/lm3s/Makefile
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##
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## This file is part of the libopencm3 project.
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##
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## Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU 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 program 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 General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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# Be silent per default, but 'make V=1' will show all compiler calls.
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ifneq ($(V),1)
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Q := @
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# Do not print "Entering directory ...".
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MAKEFLAGS += --no-print-directory
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endif
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all: lm3s3748-evb
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lm3s3748-evb:
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@printf " BUILD examples/lm3s/lm3s3748-evb\n"
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$(Q)$(MAKE) -C lm3s3748-evb
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clean:
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@printf " CLEAN examples/lm3s/lm3s3748-evb\n"
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$(Q)$(MAKE) -C lm3s3748-evb clean
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.PHONY: lm3s3748-evb clean
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121
examples/lm3s/Makefile.include
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121
examples/lm3s/Makefile.include
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@@ -0,0 +1,121 @@
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##
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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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## Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU 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 program 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 General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. 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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CC = $(PREFIX)-gcc
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LD = $(PREFIX)-gcc
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OBJCOPY = $(PREFIX)-objcopy
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OBJDUMP = $(PREFIX)-objdump
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# Uncomment this line if you want to use the installed (not local) library.
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# TOOLCHAIN_DIR = `dirname \`which $(CC)\``/../$(PREFIX)
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TOOLCHAIN_DIR = ../../../..
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CFLAGS += -O0 -g3 -Wall -Wextra -I$(TOOLCHAIN_DIR)/include -fno-common \
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-mcpu=cortex-m3 -mthumb
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LDSCRIPT = $(BINARY).ld
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LDFLAGS += -L$(TOOLCHAIN_DIR)/lib -L$(TOOLCHAIN_DIR)/lib/lm3s \
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-T$(LDSCRIPT) -nostartfiles -Wl,--gc-sections
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OBJS += $(BINARY).o
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OOCD ?= openocd
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OOCD_INTERFACE ?= flossjtag
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OOCD_BOARD ?= olimex_stm32_h103
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# FIXME
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# Be silent per default, but 'make V=1' will show all compiler calls.
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ifneq ($(V),1)
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Q := @
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NULL := 2>/dev/null
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else
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LDFLAGS += -Wl,--print-gc-sections
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endif
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.SUFFIXES: .elf .bin .hex .srec .list .images
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.SECONDEXPANSION:
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.SECONDARY:
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all: images
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images: $(BINARY).images
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flash: $(BINARY).flash
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%.images: %.bin %.hex %.srec %.list
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@#echo "*** $* images generated ***"
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%.bin: %.elf
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@#printf " OBJCOPY $(*).bin\n"
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$(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin
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%.hex: %.elf
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@#printf " OBJCOPY $(*).hex\n"
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$(Q)$(OBJCOPY) -Oihex $(*).elf $(*).hex
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%.srec: %.elf
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@#printf " OBJCOPY $(*).srec\n"
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$(Q)$(OBJCOPY) -Osrec $(*).elf $(*).srec
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%.list: %.elf
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@#printf " OBJDUMP $(*).list\n"
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$(Q)$(OBJDUMP) -S $(*).elf > $(*).list
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%.elf: $(OBJS) $(LDSCRIPT)
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@#printf " LD $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(LD) $(LDFLAGS) -o $(*).elf $(OBJS) -lopencm3_lm3s
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%.o: %.c Makefile
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@#printf " CC $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(CC) $(CFLAGS) -o $@ -c $<
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clean:
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$(Q)rm -f *.o
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$(Q)rm -f *.elf
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$(Q)rm -f *.bin
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$(Q)rm -f *.hex
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$(Q)rm -f *.srec
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$(Q)rm -f *.list
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# FIXME: Replace STM32 stuff with proper LPC13XX OpenOCD support later.
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ifeq ($(OOCD_SERIAL),)
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%.flash: %.hex
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@printf " FLASH $<\n"
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@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
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$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
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-f board/$(OOCD_BOARD).cfg \
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-c "init" -c "reset init" \
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-c "stm32x mass_erase 0" \
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-c "flash write_image $(*).hex" \
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-c "reset" \
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-c "shutdown" $(NULL)
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else
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%.flash: %.hex
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@printf " FLASH $<\n"
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@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
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$(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \
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-f board/$(OOCD_BOARD).cfg \
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-c "ft2232_serial $(OOCD_SERIAL)" \
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-c "init" -c "reset init" \
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-c "stm32x mass_erase 0" \
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-c "flash write_image $(*).hex" \
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-c "reset" \
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-c "shutdown" $(NULL)
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endif
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.PHONY: images clean
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38
examples/lm3s/lm3s3748-evb/Makefile
Normal file
38
examples/lm3s/lm3s3748-evb/Makefile
Normal file
@@ -0,0 +1,38 @@
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##
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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 program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU 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 program 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 General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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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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all: miniblink
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miniblink:
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@printf " BUILD examples/lm3s/lm3s3748-evb/miniblink\n"
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$(Q)$(MAKE) -C miniblink
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clean:
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@printf " CLEAN examples/lm3s/lm3s3748-evb/miniblink\n"
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$(Q)$(MAKE) -C miniblink clean
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.PHONY: miniblink clean
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23
examples/lm3s/lm3s3748-evb/miniblink/Makefile
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23
examples/lm3s/lm3s3748-evb/miniblink/Makefile
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@@ -0,0 +1,23 @@
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##
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## This file is part of the libopencm3 project.
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##
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## Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU 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 program 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 General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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BINARY = miniblink
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include ../../Makefile.include
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9
examples/lm3s/lm3s3748-evb/miniblink/README
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9
examples/lm3s/lm3s3748-evb/miniblink/README
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@@ -0,0 +1,9 @@
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------------------------------------------------------------------------------
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README
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------------------------------------------------------------------------------
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This is the smallest-possible example program using libopencm3.
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It's intended for the LuminaryMicro LM3S3748-EVB.
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It should blink the STATUS LED on the board.
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52
examples/lm3s/lm3s3748-evb/miniblink/miniblink.c
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52
examples/lm3s/lm3s3748-evb/miniblink/miniblink.c
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@@ -0,0 +1,52 @@
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2011 Gareth McMullin <gareth@blacksphere.co.nz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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 program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/lm3s/systemcontrol.h>
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#include <libopencm3/lm3s/gpio.h>
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void gpio_setup(void)
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{
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SYSTEMCONTROL_RCGC2 |= 0x20; /* Enable GPIOF in run mode. */
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GPIO_DIR(GPIOF) |= (1 << 0); /* Configure PF0 as output. */
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GPIO_DEN(GPIOF) |= (1 << 0); /* Enable digital function on PF0 */
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}
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int main(void)
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{
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int i;
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gpio_setup();
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/* Blink STATUS LED (PF0) on the board. */
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while (1) {
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gpio_set(GPIOF, GPIO0);
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for (i = 0; i < 800000; i++) /* Wait a bit. */
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__asm__("nop");
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gpio_clear(GPIOF, GPIO0);
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for (i = 0; i < 800000; i++) /* Wait a bit. */
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__asm__("nop");
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}
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return 0;
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}
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31
examples/lm3s/lm3s3748-evb/miniblink/miniblink.ld
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31
examples/lm3s/lm3s3748-evb/miniblink/miniblink.ld
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@@ -0,0 +1,31 @@
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This program is free software: you can redistribute it and/or modify
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||||
* it under the terms of the GNU 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 program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Linker script for LM3S3748-EVB */
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/* Define memory regions. */
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MEMORY
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{
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rom (rx) : ORIGIN = 0x00000000, LENGTH = 128K
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ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
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}
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/* Include the common ld script. */
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INCLUDE libopencm3_lm3s.ld
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