Add first example project (framework) using libopenstm32.
This is intended as a small blink example for the Olimex STM32-H103 board. It doesn't do anything useful (yet), but it builds fine. There's a sample Makefile and a preliminary ld script (which probably needs some more work).
This commit is contained in:
Uwe Hermann
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example/Makefile
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example/Makefile
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##
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## This file is part of the libopenstm32 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 2 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, write to the Free Software
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##
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BINARY = blink
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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 = $(PREFIX)-ld
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CFLAGS = -Os -g -Wall -Wextra -I../include -fno-common \
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-mcpu=cortex-m3 -mthumb
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LDFLAGS = -L../lib -T$(BINARY).ld -nostartfiles
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OBJS = $(BINARY).o
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all: $(BINARY)
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$(BINARY): $(OBJS) $(BINARY).ld
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$(LD) $(LDFLAGS) -o $(BINARY) $(OBJS) -lopenstm32
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$(BINARY).o: $(BINARY).c
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$(CC) $(CFLAGS) -c $(BINARY).c
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clean:
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rm -f *.o $(BINARY)
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27
example/blink.c
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example/blink.c
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/*
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* This file is part of the libopenstm32 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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <libopenstm32.h>
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int main(void)
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{
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/* TODO */
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return 0;
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}
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57
example/blink.ld
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example/blink.ld
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/*
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* This file is part of the libopenstm32 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 2 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, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* Linker script for Olimex STM32-H103 (STM32F103RBT6, 128K flash, 20K RAM). */
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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 = 20K
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}
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/* Define sections. */
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SECTIONS
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{
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. = ORIGIN(rom);
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.text : {
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*(.text) /* Program code */
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*(.rodata) /* Read-only data */
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} >rom
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. = ORIGIN(ram);
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.data : {
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*(.data) /* Read-write initialized data */
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} >ram AT >rom
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.bss : {
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*(.bss) /* Read-write zero initialized data */
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} >ram AT >rom
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/* Discard useless sections. */
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/DISCARD/ : {
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*(.comment)
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*(.comment.*)
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*(.note)
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*(.note.*)
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}
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}
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@ -18,6 +18,8 @@
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##
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LIBNAME = libopenstm32
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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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@ -25,7 +27,6 @@ AR = $(PREFIX)-ar
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CFLAGS = -Os -g -Wall -Wextra -I../include -fno-common \
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-mcpu=cortex-m3 -mthumb
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ARFLAGS = rcsv
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LIBNAME = libopenstm32
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OBJS = gpio.o
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all: $(LIBNAME).a
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