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authorMichael Ossmann2012-05-22 14:47:27 -0600
committerMichael Ossmann2012-05-22 14:47:27 -0600
commit9645172453488a0d490dd0a930a2b2e122e7ea82 (patch)
tree6e2556fc6975fe7841be7363331e82fcbf981ecc /examples
parent4c37af55f455e3c404aff8acf45b3544156076a1 (diff)
lpc43xx example, copied from lpc17xx and modified
Diffstat (limited to 'examples')
-rw-r--r--examples/lpc43xx/Makefile.include125
-rw-r--r--examples/lpc43xx/hackrf-jellybean/README4
-rw-r--r--examples/lpc43xx/hackrf-jellybean/jellybean-lpc4330.ld32
-rw-r--r--examples/lpc43xx/hackrf-jellybean/miniblink/Makefile24
-rw-r--r--examples/lpc43xx/hackrf-jellybean/miniblink/README11
-rw-r--r--examples/lpc43xx/hackrf-jellybean/miniblink/miniblink.c46
6 files changed, 242 insertions, 0 deletions
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 <uwe@hermann-uwe.de>
+## Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
+## Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
+##
+## 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 <http://www.gnu.org/licenses/>.
+##
+
+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 <uwe@hermann-uwe.de>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+/* 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 <uwe@hermann-uwe.de>
+##
+## 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 <http://www.gnu.org/licenses/>.
+##
+
+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 <uwe@hermann-uwe.de>
+ * Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/lpc43xx/gpio.h>
+
+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;
+}