Adding RFduino board support

boards/rfduino/Makefile

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+# tell the Makefile.base which module to build
+MODULE = $(BOARD)_base
+
+include $(RIOTBASE)/Makefile.base

boards/rfduino/Makefile.features

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+FEATURES_PROVIDED += cpp
+FEATURES_PROVIDED += periph_uart periph_gpio periph_random periph_rtt periph_cpuid

boards/rfduino/Makefile.include

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+# define the cpu used by the rfduino-nrf51822 board
+export CPU = nrf51822
+export CPU_MODEL = nrf51822qfaa
+
+#define the default port depending on the host OS
+OS := $(shell uname)
+ifeq ($(OS),Linux)
+  PORT ?= /dev/ttyUSB0
+else ifeq ($(OS),Darwin)
+  PORT ?= $(shell ls -1 /dev/tty.SLAB_USBtoUART* | head -n 1)
+else
+  $(info CAUTION: No flash tool for your host system found!)
+  # TODO: add support for windows as host platform
+endif
+export PORT
+
+# define tools used for building the project
+export PREFIX = arm-none-eabi-
+export CC = $(PREFIX)gcc
+export CXX = $(PREFIX)g++
+export AR = $(PREFIX)ar
+export AS = $(PREFIX)as
+export LINK = $(PREFIX)gcc
+export SIZE = $(PREFIX)size
+export OBJCOPY = $(PREFIX)objcopy
+export TERMPROG = $(RIOTBASE)/dist/tools/pyterm/pyterm
+export FLASHER = $(RIOTBOARD)/$(BOARD)/dist/flash.sh
+export DEBUGGER = $(RIOTBOARD)/$(BOARD)/dist/debug.sh
+export DEBUGSERVER = $(RIOTBOARD)/$(BOARD)/dist/debug-server.sh
+export RESET = $(RIOTBOARD)/$(BOARD)/dist/reset.sh
+
+# define build specific options
+CPU_USAGE = -mcpu=cortex-m0
+FPU_USAGE =
+export CFLAGS += -ggdb -g3 -std=gnu99 -Os -Wall -Wstrict-prototypes $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -mthumb -mthumb-interwork -nostartfiles
+export CFLAGS += -ffunction-sections -fdata-sections -fno-builtin
+export ASFLAGS += -ggdb -g3 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian
+export LINKFLAGS += -g3 -ggdb -std=gnu99 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mthumb-interwork -nostartfiles
+# $(LINKERSCRIPT) is specified in cpu/Makefile.include
+export LINKFLAGS += -T$(LINKERSCRIPT)
+export OFLAGS = -O binary
+export HEXFILE = $(ELFFILE:.elf=.bin)
+export TERMFLAGS += -p "$(PORT)"
+export FFLAGS = $(HEXFILE)
+export DEBUGGER_FLAGS = $(ELFFILE)
+
+# unwanted (CXXUWFLAGS) and extra (CXXEXFLAGS) flags for c++
+export CXXUWFLAGS +=
+export CXXEXFLAGS +=
+
+# use the nano-specs of the NewLib when available
+ifeq ($(shell $(LINK) -specs=nano.specs -E - 2>/dev/null >/dev/null </dev/null ; echo $$?),0)
+export LINKFLAGS += -specs=nano.specs -lc -lnosys
+endif
+
+# export board specific includes to the global includes-listing
+export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include

boards/rfduino/board.c

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+/*
+ * Copyright (C) 2014 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License v2.1. See the file LICENSE in the top level directory for more
+ * details.
+ */
+
+/**
+ * @ingroup     board_rfduino-nrf51822
+ * @{
+ *
+ * @file        board.c
+ * @brief       Board specific implementations for the RFduino NRF51822 board
+ *
+ * @author      Hauke Petersen <[email protected]> 
+ * @author      Jan Wagner
+ *
+ * @}
+ */
+
+#include "board.h"
+#include "cpu.h"
+
+void board_init(void)
+{
+    /* setup led(s) for debugging */
+    NRF_GPIO->PIN_CNF[LED_RED_PIN] = GPIO_PIN_CNF_DIR_Output;
+
+    /* initialize the CPU */
+    cpu_init();
+}

boards/rfduino/dist/debug-server.sh

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+#!/bin/sh
+
+if [ -L "$0" ]; then
+    FILE=$(readlink "$0")
+else
+    FILE="$0"
+fi
+
+BIN_FOLDER=$(dirname "${FILE}")
+
+echo "##"
+echo "## Starting debug server"
+echo "##"
+openocd -f "${BIN_FOLDER}/openocd.cfg" \
+    -c "init" \
+    -c "targets" \
+    -c "reset halt" \

boards/rfduino/dist/debug.sh

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+#!/bin/sh
+
+if [ ! -f "$1" ]; then
+    echo "ELF-file $1 does not exist"
+    exit 1
+fi
+
+if [ -L "$0" ]; then
+    FILE=$(readlink "$0")
+else
+    FILE="$0"
+fi
+
+BIN_FOLDER=$(dirname "${FILE}")
+
+echo "##"
+echo "## Debugging $1"
+echo "##"
+arm-none-eabi-gdb -tui -command="${BIN_FOLDER}/gdb.cfg" $1

boards/rfduino/dist/flash.sh

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+#!/bin/sh
+
+if [ ! -f "$1" ]; then
+    echo "Binary file $1 does not exist"
+    exit 1
+fi
+
+if [ -L "$0" ]; then
+    FILE=$(readlink "$0")
+else
+    FILE="$0"
+fi
+
+BIN_FOLDER=$(dirname "${FILE}")
+
+echo "##"
+echo "## Flashing $1"
+echo "##"
+openocd -f "${BIN_FOLDER}/openocd.cfg" \
+    -c "init" \
+    -c "targets" \
+    -c "flash banks" \
+    -c "reset halt" \
+    -c "flash write_image erase $1 0" \
+    -c "verify_image $1" \
+    -c "reset run"\
+    -c "shutdown"

boards/rfduino/dist/gdb.cfg

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+target extended-remote 127.0.0.1:3333

boards/rfduino/dist/openocd.cfg

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+# nRF51822 Target
+source [find interface/stlink-v2.cfg]
+
+transport select hla_swd
+
+set WORKAREASIZE 0x4000
+source [find target/nrf51.cfg]
+
+# use hardware reset, connect under reset
+#reset_config srst_only srst_nogate

boards/rfduino/dist/reset.sh

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+#!/bin/sh
+
+if [ -L "$0" ]; then
+    FILE=$(readlink "$0")
+else
+    FILE="$0"
+fi
+
+BIN_FOLDER=$(dirname "${FILE}")
+
+echo "##"
+echo "## Resetting $BOARD"
+echo "##"
+openocd -f "${BIN_FOLDER}/openocd.cfg" \
+    -c "init" \
+    -c "reset run" \
+    -c "shutdown"

boards/rfduino/include/board.h

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+/*
+ * Copyright (C) 2014 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License v2.1. See the file LICENSE in the top level directory for more
+ * details.
+ */
+
+/**
+ * @defgroup    board_rfduino-nrf51822 RFduino NRF51822
+ * @ingroup     boards
+ * @brief       Board specific files for the RFduino RF51822 board
+ * @{
+ *
+ * @file
+ * @brief       Board specific definitions for the RFduino RF51822 board
+ *
+ * @author      Hauke Petersen <[email protected]>
+ * @author      Jan Wagner 
+ */
+
+#ifndef __BOARD_H
+#define __BOARD_H
+
+#include "cpu.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @name Define the nominal CPU core clock in this board
+ */
+#define F_CPU               (16000000UL)
+
+/**
+ * @name Define the boards stdio
+ * @{
+ */
+#define STDIO               UART_0
+#define STDIO_BAUDRATE      (115200U)
+#define STDIO_RX_BUFSIZE    (64U)
+/** @} */
+
+/**
+ * @name Assign the hardware timer
+ */
+#define HW_TIMER            TIMER_0
+
+/**
+ * @name Macros for controlling the on-board LEDs.
+ * @{
+ */
+#define LED_RED_PIN         8
+
+#define LED_RED_ON          /* not available */
+#define LED_RED_OFF         /* not available */
+#define LED_RED_TOGGLE      /* not available */
+#define LED_GREEN_ON        /* not available */
+#define LED_GREEN_OFF       /* not available */
+#define LED_GREEN_TOGGLE    /* not available */
+#define LED_BLUE_ON         /* not available */
+#define LED_BLUE_OFF        /* not available */
+#define LED_BLUE_TOGGLE     /* not available */
+/* @} */
+
+/**
+ * @brief Initialize board specific hardware, including clock, LEDs and std-IO
+ */
+void board_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /** __BOARD_H */
+/** @} */