From 9645172453488a0d490dd0a930a2b2e122e7ea82 Mon Sep 17 00:00:00 2001 From: Michael Ossmann Date: Tue, 22 May 2012 14:47:27 -0600 Subject: lpc43xx example, copied from lpc17xx and modified --- examples/lpc43xx/Makefile.include | 125 +++++++++++++++++++++ examples/lpc43xx/hackrf-jellybean/README | 4 + .../lpc43xx/hackrf-jellybean/jellybean-lpc4330.ld | 32 ++++++ .../lpc43xx/hackrf-jellybean/miniblink/Makefile | 24 ++++ examples/lpc43xx/hackrf-jellybean/miniblink/README | 11 ++ .../lpc43xx/hackrf-jellybean/miniblink/miniblink.c | 46 ++++++++ 6 files changed, 242 insertions(+) create mode 100644 examples/lpc43xx/Makefile.include create mode 100644 examples/lpc43xx/hackrf-jellybean/README create mode 100644 examples/lpc43xx/hackrf-jellybean/jellybean-lpc4330.ld create mode 100644 examples/lpc43xx/hackrf-jellybean/miniblink/Makefile create mode 100644 examples/lpc43xx/hackrf-jellybean/miniblink/README create mode 100644 examples/lpc43xx/hackrf-jellybean/miniblink/miniblink.c diff --git a/examples/lpc43xx/Makefile.include b/examples/lpc43xx/Makefile.include new file mode 100644 index 0000000..6b0b8b9 --- /dev/null +++ b/examples/lpc43xx/Makefile.include @@ -0,0 +1,125 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann +## Copyright (C) 2010 Piotr Esden-Tempski +## Copyright (C) 2012 Michael Ossmann +## +## This library is free software: you can redistribute it and/or modify +## it under the terms of the GNU Lesser General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This library is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU Lesser General Public License for more details. +## +## You should have received a copy of the GNU Lesser General Public License +## along with this library. If not, see . +## + +PREFIX ?= arm-none-eabi +#PREFIX ?= arm-elf +CC = $(PREFIX)-gcc +LD = $(PREFIX)-gcc +OBJCOPY = $(PREFIX)-objcopy +OBJDUMP = $(PREFIX)-objdump +GDB = $(PREFIX)-gdb +# Uncomment this line if you want to use the installed (not local) library. +# TOOLCHAIN_DIR := $(shell dirname `which $(CC)`)/../$(PREFIX) +TOOLCHAIN_DIR = ../../../.. +CFLAGS += -O0 -g -Wall -Wextra -I$(TOOLCHAIN_DIR)/include -fno-common \ + -mcpu=cortex-m4 -mthumb -MD \ + -mfloat-abi=hard -mfpu=fpv4-sp-d16 +LDSCRIPT ?= $(BINARY).ld +LDFLAGS += -L$(TOOLCHAIN_DIR)/lib -L$(TOOLCHAIN_DIR)/lib/lpc43xx \ + -T$(LDSCRIPT) -nostartfiles -Wl,--gc-sections +OBJS += $(BINARY).o + +OOCD ?= openocd +OOCD_INTERFACE ?= flossjtag +OOCD_BOARD ?= olimex_stm32_h103 + +# Be silent per default, but 'make V=1' will show all compiler calls. +ifneq ($(V),1) +Q := @ +NULL := 2>/dev/null +else +LDFLAGS += -Wl,--print-gc-sections +endif + +.SUFFIXES: .elf .bin .hex .srec .list .images +.SECONDEXPANSION: +.SECONDARY: + +all: images + +images: $(BINARY).images +flash: $(BINARY).flash + +%.images: %.bin %.hex %.srec %.list + @#echo "*** $* images generated ***" + +%.bin: %.elf + @#printf " OBJCOPY $(*).bin\n" + $(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin + +%.hex: %.elf + @#printf " OBJCOPY $(*).hex\n" + $(Q)$(OBJCOPY) -Oihex $(*).elf $(*).hex + +%.srec: %.elf + @#printf " OBJCOPY $(*).srec\n" + $(Q)$(OBJCOPY) -Osrec $(*).elf $(*).srec + +%.list: %.elf + @#printf " OBJDUMP $(*).list\n" + $(Q)$(OBJDUMP) -S $(*).elf > $(*).list + +%.elf: $(OBJS) $(LDSCRIPT) $(TOOLCHAIN_DIR)/lib/lpc43xx/libopencm3_lpc43xx.a + @#printf " LD $(subst $(shell pwd)/,,$(@))\n" + $(Q)$(LD) $(LDFLAGS) -o $(*).elf $(OBJS) -lopencm3_lpc43xx + +%.o: %.c Makefile + @#printf " CC $(subst $(shell pwd)/,,$(@))\n" + $(Q)$(CC) $(CFLAGS) -o $@ -c $< + +clean: + $(Q)rm -f *.o + $(Q)rm -f *.d + $(Q)rm -f *.elf + $(Q)rm -f *.bin + $(Q)rm -f *.hex + $(Q)rm -f *.srec + $(Q)rm -f *.list + +# FIXME: Replace STM32 stuff with proper LPC43XX OpenOCD support later. +ifeq ($(OOCD_SERIAL),) +%.flash: %.hex + @printf " FLASH $<\n" + @# IMPORTANT: Don't use "resume", only "reset" will work correctly! + $(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \ + -f board/$(OOCD_BOARD).cfg \ + -c "init" -c "reset init" \ + -c "stm32x mass_erase 0" \ + -c "flash write_image $(*).hex" \ + -c "reset" \ + -c "shutdown" $(NULL) +else +%.flash: %.hex + @printf " FLASH $<\n" + @# IMPORTANT: Don't use "resume", only "reset" will work correctly! + $(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \ + -f board/$(OOCD_BOARD).cfg \ + -c "ft2232_serial $(OOCD_SERIAL)" \ + -c "init" -c "reset init" \ + -c "stm32x mass_erase 0" \ + -c "flash write_image $(*).hex" \ + -c "reset" \ + -c "shutdown" $(NULL) +endif + +.PHONY: images clean + +-include $(OBJS:.o=.d) diff --git a/examples/lpc43xx/hackrf-jellybean/README b/examples/lpc43xx/hackrf-jellybean/README new file mode 100644 index 0000000..07aaeee --- /dev/null +++ b/examples/lpc43xx/hackrf-jellybean/README @@ -0,0 +1,4 @@ +These example programs are written for the Jellybean development board from the +HackRF project: + +https://github.com/mossmann/hackrf diff --git a/examples/lpc43xx/hackrf-jellybean/jellybean-lpc4330.ld b/examples/lpc43xx/hackrf-jellybean/jellybean-lpc4330.ld new file mode 100644 index 0000000..92c25af --- /dev/null +++ b/examples/lpc43xx/hackrf-jellybean/jellybean-lpc4330.ld @@ -0,0 +1,32 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Uwe Hermann + * + * This library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see . + */ + +/* Linker script for HackRF Jellybean (LPC4330, 1M SPI flash, 64K SRAM). */ + +/* Define memory regions. */ +MEMORY +{ + /* rom is really the shadow region that points to SPI flash or elsewhere */ + rom (rx) : ORIGIN = 0x00000000, LENGTH = 1M + ram (rwx) : ORIGIN = 0x10000000, LENGTH = 128K + /* there are some additional RAM regions */ +} + +/* Include the common ld script. */ +INCLUDE libopencm3_lpc43xx.ld diff --git a/examples/lpc43xx/hackrf-jellybean/miniblink/Makefile b/examples/lpc43xx/hackrf-jellybean/miniblink/Makefile new file mode 100644 index 0000000..32da7ff --- /dev/null +++ b/examples/lpc43xx/hackrf-jellybean/miniblink/Makefile @@ -0,0 +1,24 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2010 Uwe Hermann +## +## This library is free software: you can redistribute it and/or modify +## it under the terms of the GNU Lesser General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This library is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU Lesser General Public License for more details. +## +## You should have received a copy of the GNU Lesser General Public License +## along with this library. If not, see . +## + +BINARY = miniblink + +LDSCRIPT = ../jellybean-lpc4330.ld + +include ../../Makefile.include diff --git a/examples/lpc43xx/hackrf-jellybean/miniblink/README b/examples/lpc43xx/hackrf-jellybean/miniblink/README new file mode 100644 index 0000000..556ed92 --- /dev/null +++ b/examples/lpc43xx/hackrf-jellybean/miniblink/README @@ -0,0 +1,11 @@ +------------------------------------------------------------------------------ +README +------------------------------------------------------------------------------ + +This is the smallest-possible example program using libopencm3. + +It's intended for the Jellybean development board from the HackRF project: + +https://github.com/mossmann/hackrf + +It should blink LED1 on the board. diff --git a/examples/lpc43xx/hackrf-jellybean/miniblink/miniblink.c b/examples/lpc43xx/hackrf-jellybean/miniblink/miniblink.c new file mode 100644 index 0000000..6d8a9bc --- /dev/null +++ b/examples/lpc43xx/hackrf-jellybean/miniblink/miniblink.c @@ -0,0 +1,46 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Uwe Hermann + * Copyright (C) 2012 Michael Ossmann + * + * This library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see . + */ + +#include + +void gpio_setup(void) +{ + GPIO2_DIR |= (1 << 1); /* Configure GPIO2[1] (P4_1) as output. */ +} + +int main(void) +{ + int i; + + gpio_setup(); + + /* Blink LED1 on the board. */ + while (1) { + + gpio_set(GPIO2, GPIOPIN1); /* LED on */ + for (i = 0; i < 800000; i++) /* Wait a bit. */ + __asm__("nop"); + gpio_clear(GPIO2, GPIOPIN1); /* LED off */ + for (i = 0; i < 800000; i++) /* Wait a bit. */ + __asm__("nop"); + } + + return 0; +} -- cgit v1.2.3