Added fancyblink example for the MB525 eval board.
This commit is contained in:
Piotr Esden-Tempski
parent
3a4f36d80f
commit
699ec0fb15
53
examples/MB525/Makefile
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53
examples/MB525/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 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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# Do not print "Entering directory ...".
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## MAKEFLAGS += --no-print-directory
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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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endif
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#all: miniblink fancyblink usart
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all: fancyblink
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#miniblink:
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# @printf " BUILD miniblink\n"
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# $(Q)$(MAKE) -C miniblink
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fancyblink:
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@printf " BUILD fancyblink\n"
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$(Q)$(MAKE) -C fancyblink
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#usart:
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# @printf " BUILD usart\n"
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# $(Q)$(MAKE) -C usart
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clean:
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# @printf " CLEAN miniblink\n"
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# $(Q)$(MAKE) -C miniblink clean
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@printf " CLEAN fancyblink\n"
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$(Q)$(MAKE) -C fancyblink clean
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# @printf " CLEAN usart\n"
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# $(Q)$(MAKE) -C usart clean
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#.PHONY: miniblink fancyblink usart clean
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.PHONY: fancyblink clean
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96
examples/MB525/fancyblink/Makefile
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96
examples/MB525/fancyblink/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 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 = fancyblink
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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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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 -g -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 -T$(LDSCRIPT) -nostartfiles
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#LDFLAGS = -T$(LDSCRIPT) -nostartfiles
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OBJS = $(BINARY).o
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OPENOCD_BASE = /usr
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OPENOCD = $(OPENOCD_BASE)/bin/openocd
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OPENOCD_SCRIPTS = $(OPENOCD_BASE)/share/openocd/scripts
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OPENOCD_FLASHER = $(OPENOCD_SCRIPTS)/interface/parport.cfg
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OPENOCD_BOARD = $(OPENOCD_SCRIPTS)/board/olimex_stm32_h103.cfg
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# Be silent per default, but 'make V=1' will show all compiler calls.
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ifneq ($(V),1)
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Q := @
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NULL := 2>/dev/null
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endif
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all: images
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images: $(BINARY)
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@printf " OBJCOPY $(BINARY).bin\n"
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$(Q)$(OBJCOPY) -Obinary $(BINARY) $(BINARY).bin
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@printf " OBJCOPY $(BINARY).hex\n"
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$(Q)$(OBJCOPY) -Oihex $(BINARY) $(BINARY).hex
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@printf " OBJCOPY $(BINARY).srec\n"
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$(Q)$(OBJCOPY) -Osrec $(BINARY) $(BINARY).srec
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@printf " OBJDUMP $(BINARY).list\n"
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$(Q)$(OBJDUMP) -S $(BINARY) > $(BINARY).list
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$(BINARY): $(OBJS) $(LDSCRIPT)
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@printf " LD $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(LD) $(LDFLAGS) -o $(BINARY) $(OBJS) -lopenstm32
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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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@printf " CLEAN $(subst $(shell pwd)/,,$(OBJS))\n"
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$(Q)rm -f *.o
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@printf " CLEAN $(BINARY)\n"
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$(Q)rm -f $(BINARY)
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@printf " CLEAN $(BINARY).bin\n"
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$(Q)rm -f $(BINARY).bin
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@printf " CLEAN $(BINARY).hex\n"
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$(Q)rm -f $(BINARY).hex
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@printf " CLEAN $(BINARY).srec\n"
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$(Q)rm -f $(BINARY).srec
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@printf " CLEAN $(BINARY).list\n"
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$(Q)rm -f $(BINARY).list
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flash: images
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@printf " FLASH $(BINARY).bin\n"
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@# IMPORTANT: Don't use "resume", only "reset" will work correctly!
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$(Q)$(OPENOCD) -s $(OPENOCD_SCRIPTS) \
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-f $(OPENOCD_FLASHER) \
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-f $(OPENOCD_BOARD) \
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-c "init" -c "reset halt" \
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-c "flash write_image erase $(BINARY).bin 0x08000000" \
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-c "reset" \
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-c "shutdown" $(NULL)
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.PHONY: images clean
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48
examples/MB525/fancyblink/README
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48
examples/MB525/fancyblink/README
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------------------------------------------------------------------------------
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README
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------------------------------------------------------------------------------
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This is a blink example program using libopenstm32.
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It's intended for the ST STM32-based Olimex MB525 eval board (see
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http://www.st.com/stonline/products/literature/um/13472.htm for details). It
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should blink the LED on the board.
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Building
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--------
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$ make
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Running 'make' on the top-level libopenstm32 directory will automatically
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also build this example. Or you can build the library "manually" and
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then run 'make' in this directory.
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You may want to override the toolchain (e.g., arm-elf or arm-none-eabi):
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$ PREFIX=arm-none-eabi make
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For a more verbose build you can use
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$ make V=1
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Flashing
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--------
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You can flash the generated code on the STM32-H103 board using OpenOCD:
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$ make flash
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Or you can do the same manually via:
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$ openocd -f interface/jlink.cfg -f board/olimex_stm32_h103.cfg
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$ telnet localhost 4444
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> init
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> reset halt
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> flash write_image erase fancyblink.bin 0x08000000
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> reset
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Replace the "jlink.cfg" with whatever JTAG device you are using, and/or
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replace "olimex_stm32_h103.cfg" with your respective board config file.
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91
examples/MB525/fancyblink/fancyblink.c
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91
examples/MB525/fancyblink/fancyblink.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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* 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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#include <libopenstm32.h>
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/* Set STM32 to 72 MHz. */
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void clock_setup(void)
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{
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/* Select HSI as SYSCLK source. */
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rcc_set_sysclk_source(SW_SYSCLKSEL_HSICLK);
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/* Set the PLL multiplication factor to 9. */
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rcc_set_pll_multiplication_factor(PLLMUL_PLL_CLK_MUL9);
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/* Select HSI/2 as PLL source. */
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rcc_set_pll_source(PLLSRC_HSI_CLK_DIV2);
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rcc_set_pllxtpre(PLLXTPRE_HSE_CLK_DIV2);
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/* Enable PLL oscillator and wait for it to stabilize. */
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rcc_osc_on(PLL);
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rcc_wait_for_osc_ready(PLL);
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/* Select PLL as SYSCLK source. */
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rcc_set_sysclk_source(SW_SYSCLKSEL_PLLCLK);
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}
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void gpio_setup(void)
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{
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/* Enable GPIOC clock. */
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rcc_peripheral_enable_clock(&RCC_APB2ENR, IOPCEN);
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/* Set GPIO6 (in GPIO port C) to 'output push-pull'. */
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gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, GPIO6 | GPIO7 | GPIO8 | GPIO9);
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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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clock_setup();
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gpio_setup();
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/* Blink the LED (PC12) on the board. */
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gpio_set(GPIOC, GPIO6);
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while (1) {
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gpio_toggle(GPIOC, GPIO6); /* LED on/off */
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gpio_toggle(GPIOC, GPIO7); /* LED on/off */
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for (i = 0; i < 400000; i++); /* Wait (needs -O0 CFLAGS). */
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gpio_toggle(GPIOC, GPIO7); /* LED on/off */
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gpio_toggle(GPIOC, GPIO8); /* LED on/off */
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for (i = 0; i < 400000; i++); /* Wait (needs -O0 CFLAGS). */
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gpio_toggle(GPIOC, GPIO8); /* LED on/off */
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gpio_toggle(GPIOC, GPIO9); /* LED on/off */
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for (i = 0; i < 400000; i++); /* Wait (needs -O0 CFLAGS). */
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gpio_toggle(GPIOC, GPIO8); /* LED on/off */
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gpio_toggle(GPIOC, GPIO9); /* LED on/off */
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for (i = 0; i < 400000; i++); /* Wait (needs -O0 CFLAGS). */
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gpio_toggle(GPIOC, GPIO7); /* LED on/off */
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gpio_toggle(GPIOC, GPIO8); /* LED on/off */
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for (i = 0; i < 400000; i++); /* Wait (needs -O0 CFLAGS). */
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gpio_toggle(GPIOC, GPIO6); /* LED on/off */
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gpio_toggle(GPIOC, GPIO7); /* LED on/off */
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for (i = 0; i < 400000; i++); /* Wait (needs -O0 CFLAGS). */
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}
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return 0;
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}
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u32 *vector_table[2] __attribute__ ((section(".vectors"))) = {
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(u32 *) 0x20000800, /* Use 2 KB stack (0x800 bytes). */
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(u32 *) main, /* Use main() as reset vector for now. */
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};
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31
examples/MB525/fancyblink/fancyblink.ld
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31
examples/MB525/fancyblink/fancyblink.ld
Normal file
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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 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 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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/* Include the common ld script from libopenstm32. */
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INCLUDE libopenstm32.ld
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@ -25,15 +25,21 @@ ifneq ($(V),1)
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Q := @
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endif
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all: STM32-H103
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all: STM32-H103 MB525
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STM32-H103:
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@printf " BUILD STM32-H103 examples\n"
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$(Q)$(MAKE) -C STM32-H103
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MB525:
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@printf " BUILD MB525 examples\n"
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$(Q)$(MAKE) -C MB525
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clean:
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@printf " CLEAN STM32-H103 examples\n"
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$(Q)$(MAKE) -C STM32-H103 clean
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@printf " CLEAN MB525 examples\n"
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$(Q)$(MAKE) -C MB525 clean
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.PHONY: STM32-H103 clean
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.PHONY: STM32-H103 MB525 clean
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