modified from nordic nRF51 SDK

16 files changed, 914 insertions, 0 deletions

diff --git a/Makefile.common b/Makefile.common
new file mode 100644
index 0000000..9f81b00
--- /dev/null
+++ b/Makefile.common
@@ -0,0 +1,209 @@
+DEVICE := NRF51

+DEVICESERIES := nrf51

+

+SDK_INCLUDE_PATH = $(SDK_PATH)/Include/

+SDK_SOURCE_PATH = $(SDK_PATH)/Source/

+# TEMPLATE_PATH += $(SDK_SOURCE_PATH)/templates/gcc/

+OUTPUT_BINARY_DIRECTORY := _build

+

+ifeq ($(OS),Windows_NT)

+include $(TEMPLATE_PATH)Makefile.windows

+else

+include $(TEMPLATE_PATH)Makefile.posix

+endif

+

+ifeq ($(LINKER_SCRIPT),)

+	ifeq ($(USE_SOFTDEVICE), S110)

+		LINKER_SCRIPT = gcc_$(DEVICESERIES)_s110_$(DEVICE_VARIANT).ld

+		OUTPUT_FILENAME := $(OUTPUT_FILENAME)_s110_$(DEVICE_VARIANT)

+	else

+		ifeq ($(USE_SOFTDEVICE), S210)

+			LINKER_SCRIPT = gcc_$(DEVICESERIES)_s210_$(DEVICE_VARIANT).ld

+			OUTPUT_FILENAME := $(OUTPUT_FILENAME)_s210_$(DEVICE_VARIANT)

+		else

+			LINKER_SCRIPT = gcc_$(DEVICESERIES)_blank_$(DEVICE_VARIANT).ld

+			OUTPUT_FILENAME := $(OUTPUT_FILENAME)_$(DEVICE_VARIANT)

+		endif

+	endif

+else

+# Use externally defined settings

+endif

+

+CPU := cortex-m0

+

+# Toolchain commands

+JLINK           := JLinkExe -Device nrf51822 -speed 100 -if swd

+CC       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-gcc"

+AS       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-as"

+AR       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-ar" -r

+LD       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-ld"

+NM       		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-nm"

+OBJDUMP  		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-objdump"

+OBJCOPY  		:= "$(GNU_INSTALL_ROOT)/bin/$(GNU_PREFIX)-objcopy"

+

+MK 				:= mkdir

+RM 				:= rm -rf

+

+OBJECT_DIRECTORY := _build

+LISTING_DIRECTORY := _build

+

+C_SOURCE_FILES += system_$(DEVICESERIES).c

+ASSEMBLER_SOURCE_FILES += gcc_startup_$(DEVICESERIES).s

+

+# Linker flags

+#LDFLAGS += -L"$(GNU_INSTALL_ROOT)/arm-none-eabi/lib/armv6-m"

+#LDFLAGS += -L"$(GNU_INSTALL_ROOT)/lib/gcc/arm-none-eabi/$(GNU_VERSION)/armv6-m"

+LDFLAGS += -Xlinker -Map=$(LISTING_DIRECTORY)/$(OUTPUT_FILENAME).map

+LDFLAGS += -mcpu=$(CPU) -mthumb -mabi=aapcs -L $(TEMPLATE_PATH) -T$(LINKER_SCRIPT) 

+

+# Compiler flags

+CFLAGS += -mcpu=$(CPU) -mthumb -mabi=aapcs -D$(DEVICE) -D$(BOARD) -D$(TARGET_CHIP) --std=gnu99

+CFLAGS += -Wall -Werror

+CFLAGS += -mfloat-abi=soft

+

+# Assembler flags

+ASMFLAGS += -x assembler-with-cpp

+ 

+INCLUDEPATHS += -I"$(SDK_PATH)Include"

+INCLUDEPATHS += -I"$(SDK_PATH)Include/gcc"

+INCLUDEPATHS += -I"$(SDK_PATH)Include/ext_sensors"

+

+# Sorting removes duplicates

+BUILD_DIRECTORIES := $(sort $(OBJECT_DIRECTORY) $(OUTPUT_BINARY_DIRECTORY) $(LISTING_DIRECTORY) )

+

+####################################################################

+# Rules                                                            #

+####################################################################

+

+C_SOURCE_FILENAMES = $(notdir $(C_SOURCE_FILES) )

+ASSEMBLER_SOURCE_FILENAMES = $(notdir $(ASSEMBLER_SOURCE_FILES) )

+

+# Make a list of source paths

+C_SOURCE_PATHS += $(SDK_SOURCE_PATH) $(TEMPLATE_PATH) $(wildcard $(SDK_SOURCE_PATH)*/)  $(wildcard $(SDK_SOURCE_PATH)ext_sensors/*/) $(wildcard $(SDK_SOURCE_PATH)ble/*/) $(BUILD_SCRIPTS_PATH)

+ASSEMBLER_SOURCE_PATHS = $(SDK_SOURCE_PATH) $(TEMPLATE_PATH) $(wildcard $(SDK_SOURCE_PATH)*/) $(BUILD_SCRIPTS_PATH)

+

+C_OBJECTS = $(addprefix $(OBJECT_DIRECTORY)/, $(C_SOURCE_FILENAMES:.c=.o) )

+ASSEMBLER_OBJECTS = $(addprefix $(OBJECT_DIRECTORY)/, $(ASSEMBLER_SOURCE_FILENAMES:.s=.o) )

+

+# Set source lookup paths

+vpath %.c $(C_SOURCE_PATHS)

+vpath %.s $(ASSEMBLER_SOURCE_PATHS)

+

+# Include automatically previously generated dependencies

+-include $(addprefix $(OBJECT_DIRECTORY)/, $(COBJS:.o=.d))

+

+### Targets

+debug:    CFLAGS += -DDEBUG -g3 -O0

+debug:    ASMFLAGS += -DDEBUG -g3 -O0

+debug:    $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).hex

+

+.PHONY: release

+release: clean

+release:  CFLAGS += -DNDEBUG -O3

+release:  ASMFLAGS += -DNDEBUG -O3

+release:  $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).hex

+

+echostuff:

+	@echo C_OBJECTS: [$(C_OBJECTS)]

+	@echo C_SOURCE_FILES: [$(C_SOURCE_FILES)]

+	@echo C_SOURCE_PATHS: [$(C_SOURCE_PATHS)]

+

+## Create build directories

+$(BUILD_DIRECTORIES):

+	$(MK) $@

+

+## Create objects from C source files

+$(OBJECT_DIRECTORY)/%.o: %.c

+# Build header dependencies

+	$(CC) $(CFLAGS) $(INCLUDEPATHS) -M $< -MF "$(@:.o=.d)" -MT $@

+# Do the actual compilation

+	$(CC) $(CFLAGS) $(INCLUDEPATHS) -c -o $@ $<

+

+## Assemble .s files

+$(OBJECT_DIRECTORY)/%.o: %.s

+	$(CC) $(ASMFLAGS) $(INCLUDEPATHS) -c -o $@ $<

+

+## Link C and assembler objects to an .out file

+$(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).out: $(BUILD_DIRECTORIES) $(C_OBJECTS) $(ASSEMBLER_OBJECTS) $(LIBRARIES)

+	$(CC) $(LDFLAGS) $(C_OBJECTS) $(ASSEMBLER_OBJECTS) $(LIBRARIES) -o $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).out

+

+## Create binary .bin file from the .out file

+$(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin: $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).out

+	$(OBJCOPY) -O binary $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).out $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin

+

+## Create binary .hex file from the .out file

+$(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).hex: $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).out

+	$(OBJCOPY) -O ihex $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).out $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).hex

+

+## Default build target

+.PHONY: all

+all: clean release

+

+clean:

+	$(RM) $(OUTPUT_BINARY_DIRECTORY)

+

+

+$(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink : $(BUILD_DIRECTORIES)

+	echo " \

+r \n\

+h \n\

+w4 0x4001e504,2 # enable erase all \n\

+w4 0x4001e50c,1 # start erasing \n\

+sleep 1000 \n\

+r \n\

+qc \n\

+  " \

+    > $(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink 

+

+erase_all: $(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink 

+	$(JLINK) -CommanderScript $(OUTPUT_BINARY_DIRECTORY)/erase_all.jlink; [ "$$?" -eq 1 ]

+

+$(OUTPUT_BINARY_DIRECTORY)/flash_softdevice.jlink: $(BUILD_DIRECTORIES)

+	echo " \n\

+r \n\

+h \n\

+w4 0x4001e504,2 # enable erase \n\

+w4 0x4001e50c,1 # start erasing all \n\

+sleep 1000 \n\

+w4 0x10001000, 0x14000 \n\

+w4 0x4001e504,1 \n\

+loadbin \"$(SOFTDEVICE_BIN_PATH)\", 0x0 \n\

+r \n\

+qc \n\

+" > $(OUTPUT_BINARY_DIRECTORY)/flash_softdevice.jlink

+

+flash_softdevice: $(OUTPUT_BINARY_DIRECTORY)/flash_softdevice.jlink

+	$(JLINK) -CommanderScript $(OUTPUT_BINARY_DIRECTORY)/flash_softdevice.jlink; [ "$$?" -eq 1 ]

+

+$(OUTPUT_BINARY_DIRECTORY)/flash.jlink: $(BUILD_DIRECTORIES) $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin

+	echo " \n\

+r \n\

+h \n\

+w4 0x4001e504,2 # enable erase \n\

+" > $(OUTPUT_BINARY_DIRECTORY)/flash.jlink

+	binsize=`stat -f %z $(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin`;  \

+    starthexaddr=0x14000; \

+	startaddr=`printf "%d" $$starthexaddr`;  \

+	page=0;  \

+	while [ $$binsize -gt 0 ]; \

+    do \

+        echo "w4 0x4001e508, $$starthexaddr # start erasing code region 1 page $$page\n" >> $(OUTPUT_BINARY_DIRECTORY)/flash.jlink ; \

+        binsize=`expr $$binsize - 1024`; \

+        page=`expr $$page + 1`; \

+        startaddr=`expr $$startaddr + 1024`; \

+        starthexaddr=`printf "0x%x" $$startaddr`; \

+    done 

+	echo "sleep 1000 \n\

+r \n\

+w4 0x4001e504,1  # enable write \n\

+loadbin \"$(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin\", 0x14000 \n\

+verifybin \"$(OUTPUT_BINARY_DIRECTORY)/$(OUTPUT_FILENAME).bin\", 0x14000 \n\

+r \n\

+g \n\

+qc \n\

+" >> $(OUTPUT_BINARY_DIRECTORY)/flash.jlink

+

+flash: $(OUTPUT_BINARY_DIRECTORY)/flash.jlink

+	$(JLINK) -CommanderScript $(OUTPUT_BINARY_DIRECTORY)/flash.jlink; [ "$$?" -eq 1 ]

+

+.PHONY: erase_all flash_softdevice flash

diff --git a/Makefile.posix b/Makefile.posix
new file mode 100644
index 0000000..a690373
--- /dev/null
+++ b/Makefile.posix
@@ -0,0 +1,4 @@
+GNU_INSTALL_ROOT := $(HOME)Developer/prjs/embeded/gcc-arm-none-eabi-4_8-2014q2

+GNU_VERSION := 4.8.4

+GNU_PREFIX := arm-none-eabi

+

diff --git a/Makefile.template b/Makefile.template
new file mode 100644
index 0000000..32bb590
--- /dev/null
+++ b/Makefile.template
@@ -0,0 +1,22 @@
+TARGET_CHIP := NRF51822_QFAA_CA

+BOARD := BOARD_PCA10001

+

+#Uncomment correct line if you have s110 programmed on the chip.

+DEVICE_VARIANT := xxaa

+#DEVICE_VARIANT := xxab

+

+USE_SOFTDEVICE := s110

+#USE_SOFTDEVICE := s210

+

+HOME = /Users/hongbo.yang/

+SDK_PATH = $(HOME)Developer/prjs/embeded/nrf/nrf51_sdk_v6_0_0_43681/nrf51822/

+SOFTDEVICE_BIN_PATH = $(HOME)Developer/prjs/embeded/nrf/s110_nrf51822_7.0.0/s110_nrf51822_7.0.0_softdevice.hex

+BUILD_SCRIPTS_PATH = $(HOME)Developer/prjs/embeded/prjs/nrf51822/build_scripts/

+TEMPLATE_PATH = $(BUILD_SCRIPTS_PATH)

+

+C_SOURCE_FILES += main.c

+

+OUTPUT_FILENAME := main

+

+include $(TEMPLATE_PATH)Makefile.common

+

diff --git a/Makefile.windows b/Makefile.windows
new file mode 100644
index 0000000..ed8d0c4
--- /dev/null
+++ b/Makefile.windows
@@ -0,0 +1,10 @@
+ifeq ($(findstring 86, $(ProgramFiles)), )

+	PROGFILES := C:/Program Files

+else

+	PROGFILES := C:/Program Files (x86)

+endif

+

+GNU_INSTALL_ROOT := $(PROGFILES)/GNU Tools ARM Embedded/4.7 2013q1

+GNU_VERSION := 4.7.3

+GNU_PREFIX := arm-none-eabi

+

diff --git a/gcc_nrf51_blank_xxaa.ld b/gcc_nrf51_blank_xxaa.ld
new file mode 100644
index 0000000..8b8a07f
--- /dev/null
+++ b/gcc_nrf51_blank_xxaa.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x40000
+  RAM (rwx) :  ORIGIN = 0x20000000, LENGTH = 0x4000
+}

+

+

+INCLUDE "gcc_nrf51_common.ld"

diff --git a/gcc_nrf51_blank_xxab.ld b/gcc_nrf51_blank_xxab.ld
new file mode 100644
index 0000000..bdfeb6b
--- /dev/null
+++ b/gcc_nrf51_blank_xxab.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x20000
+  RAM (rwx) :  ORIGIN = 0x20000000, LENGTH = 0x4000
+}

+

+

+INCLUDE "gcc_nrf51_common.ld"
diff --git a/gcc_nrf51_common.ld b/gcc_nrf51_common.ld
new file mode 100644
index 0000000..708130b
--- /dev/null
+++ b/gcc_nrf51_common.ld
@@ -0,0 +1,161 @@
+/* Linker script for Nordic Semiconductor nRF5 devices
+ *
+ * Version: Sourcery G++ 4.5-1
+ * Support: https://support.codesourcery.com/GNUToolchain/
+ *
+ * Copyright (c) 2007, 2008, 2009, 2010 CodeSourcery, Inc.
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions.  No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+
+/* Linker script to place sections and symbol values. Should be used together
+ * with other linker script that defines memory regions FLASH and RAM.
+ * It references following symbols, which must be defined in code:
+ *   Reset_Handler : Entry of reset handler
+ * 
+ * It defines following symbols, which code can use without definition:
+ *   __exidx_start
+ *   __exidx_end
+ *   __etext
+ *   __data_start__
+ *   __preinit_array_start
+ *   __preinit_array_end
+ *   __init_array_start
+ *   __init_array_end
+ *   __fini_array_start
+ *   __fini_array_end
+ *   __data_end__
+ *   __bss_start__
+ *   __bss_end__
+ *   __end__
+ *   end
+ *   __HeapLimit
+ *   __StackLimit
+ *   __StackTop
+ *   __stack
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+	.text :
+	{
+		KEEP(*(.Vectors))
+		*(.text*)
+
+		KEEP(*(.init))
+		KEEP(*(.fini))
+
+		/* .ctors */
+		*crtbegin.o(.ctors)
+		*crtbegin?.o(.ctors)
+		*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
+		*(SORT(.ctors.*))
+		*(.ctors)
+
+		/* .dtors */
+ 		*crtbegin.o(.dtors)
+ 		*crtbegin?.o(.dtors)
+ 		*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
+ 		*(SORT(.dtors.*))
+ 		*(.dtors)
+
+		*(.rodata*)
+
+		*(.eh_frame*)
+	} > FLASH
+    
+
+	.ARM.extab : 
+	{
+		*(.ARM.extab* .gnu.linkonce.armextab.*)
+	} > FLASH
+
+	__exidx_start = .;
+	.ARM.exidx :
+	{
+		*(.ARM.exidx* .gnu.linkonce.armexidx.*)
+	} > FLASH
+	__exidx_end = .;
+
+	__etext = .;
+		
+	.data : AT (__etext)
+	{
+		__data_start__ = .;
+		*(vtable)
+		*(.data*)
+
+		. = ALIGN(4);
+		/* preinit data */
+		PROVIDE_HIDDEN (__preinit_array_start = .);
+		*(.preinit_array)
+		PROVIDE_HIDDEN (__preinit_array_end = .);
+
+		. = ALIGN(4);
+		/* init data */
+		PROVIDE_HIDDEN (__init_array_start = .);
+		*(SORT(.init_array.*))
+		*(.init_array)
+		PROVIDE_HIDDEN (__init_array_end = .);
+
+
+		. = ALIGN(4);
+		/* finit data */
+		PROVIDE_HIDDEN (__fini_array_start = .);
+		*(SORT(.fini_array.*))
+		*(.fini_array)
+		PROVIDE_HIDDEN (__fini_array_end = .);
+
+		*(.jcr)
+		. = ALIGN(4);
+		/* All data end */
+		__data_end__ = .;
+
+	} > RAM
+
+	.bss :
+	{
+		. = ALIGN(4);
+		__bss_start__ = .;
+		*(.bss*)
+		*(COMMON)
+		. = ALIGN(4);
+		__bss_end__ = .;
+	} > RAM
+	
+	.heap (COPY):
+	{
+		__end__ = .;
+		end = __end__;
+		*(.heap*)
+		__HeapLimit = .;
+	} > RAM
+
+	/* .stack_dummy section doesn't contains any symbols. It is only
+	 * used for linker to calculate size of stack sections, and assign
+	 * values to stack symbols later */
+	.stack_dummy (COPY):
+	{
+		*(.stack*)
+	} > RAM
+
+	/* Set stack top to end of RAM, and stack limit move down by
+	 * size of stack_dummy section */
+	__StackTop = ORIGIN(RAM) + LENGTH(RAM);
+	__StackLimit = __StackTop - SIZEOF(.stack_dummy);
+	PROVIDE(__stack = __StackTop);
+	
+	/* Check if data + heap + stack exceeds RAM limit */
+	ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
+}
+
diff --git a/gcc_nrf51_s110_xxaa.ld b/gcc_nrf51_s110_xxaa.ld
new file mode 100644
index 0000000..0534ddc
--- /dev/null
+++ b/gcc_nrf51_s110_xxaa.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x00016000, LENGTH = 0x2A000 

+  RAM (rwx) :  ORIGIN = 0x20002000, LENGTH = 0x2000 

+}

+

+

+INCLUDE "gcc_nrf51_common.ld"

diff --git a/gcc_nrf51_s110_xxab.ld b/gcc_nrf51_s110_xxab.ld
new file mode 100644
index 0000000..fe6ef7f
--- /dev/null
+++ b/gcc_nrf51_s110_xxab.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)

+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x00016000, LENGTH = 0xA000 

+  RAM (rwx) :  ORIGIN = 0x20002000, LENGTH = 0x2000 

+}

+

+

+INCLUDE "gcc_nrf51_common.ld"

diff --git a/gcc_nrf51_s120_xxaa.ld b/gcc_nrf51_s120_xxaa.ld
new file mode 100644
index 0000000..4e67b02
--- /dev/null
+++ b/gcc_nrf51_s120_xxaa.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x00018000, LENGTH = 0x28000 

+  RAM (rwx) :  ORIGIN = 0x20002800, LENGTH = 0x1800 

+}

+

+

+INCLUDE "gcc_nrf51_common.ld"

diff --git a/gcc_nrf51_s120_xxab.ld b/gcc_nrf51_s120_xxab.ld
new file mode 100644
index 0000000..a03afba
--- /dev/null
+++ b/gcc_nrf51_s120_xxab.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)

+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x00018000, LENGTH = 0x8000 

+  RAM (rwx) :  ORIGIN = 0x20002800, LENGTH = 0x1800 

+}

+

+

+INCLUDE "gcc_nrf51_common.ld"

diff --git a/gcc_nrf51_s210_xxaa.ld b/gcc_nrf51_s210_xxaa.ld
new file mode 100644
index 0000000..b42738a
--- /dev/null
+++ b/gcc_nrf51_s210_xxaa.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)

+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x0000C000, LENGTH = 0x34000 

+  RAM (rwx) :  ORIGIN = 0x20000900, LENGTH = 0x3700 

+}

+

+

+INCLUDE "gcc_nrf51_common.ld"
\ No newline at end of file
diff --git a/gcc_nrf51_s210_xxab.ld b/gcc_nrf51_s210_xxab.ld
new file mode 100644
index 0000000..1c46cb1
--- /dev/null
+++ b/gcc_nrf51_s210_xxab.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)

+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x0000C000, LENGTH = 0x14000 

+  RAM (rwx) :  ORIGIN = 0x20000900, LENGTH = 0x3700 

+}

+

+

+INCLUDE "gcc_nrf51_common.ld"
\ No newline at end of file
diff --git a/gcc_nrf51_s310_xxaa.ld b/gcc_nrf51_s310_xxaa.ld
new file mode 100644
index 0000000..479bfee
--- /dev/null
+++ b/gcc_nrf51_s310_xxaa.ld
@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */

+

+SEARCH_DIR(.)

+GROUP(-lgcc -lc -lnosys)

+

+MEMORY

+{

+  FLASH (rx) : ORIGIN = 0x00020000, LENGTH = 0x20000 

+  RAM (rwx) :  ORIGIN = 0x20002400, LENGTH = 0x1C00 

+}

+

+

+INCLUDE "gcc_nrf51_common.ld"
\ No newline at end of file
diff --git a/gcc_startup_nrf51.s b/gcc_startup_nrf51.s
new file mode 100644
index 0000000..89f0a6e
--- /dev/null
+++ b/gcc_startup_nrf51.s
@@ -0,0 +1,270 @@
+/* 

+Copyright (c) 2013, Nordic Semiconductor ASA

+All rights reserved.

+

+Redistribution and use in source and binary forms, with or without

+modification, are permitted provided that the following conditions are met:

+

+* Redistributions of source code must retain the above copyright notice, this

+  list of conditions and the following disclaimer.

+

+* Redistributions in binary form must reproduce the above copyright notice,

+  this list of conditions and the following disclaimer in the documentation

+  and/or other materials provided with the distribution.

+

+* Neither the name of Nordic Semiconductor ASA nor the names of its

+  contributors may be used to endorse or promote products derived from

+  this software without specific prior written permission.

+

+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+*/

+

+/* 

+NOTE: Template files (including this one) are application specific and therefore 

+expected to be copied into the application project folder prior to its use!

+*/

+

+    .syntax unified

+    .arch armv6-m

+

+    .section .stack

+    .align 3

+#ifdef __STACK_SIZE

+    .equ    Stack_Size, __STACK_SIZE

+#else

+    .equ    Stack_Size, 2048

+#endif

+    .globl    __StackTop

+    .globl    __StackLimit

+__StackLimit:

+    .space    Stack_Size

+    .size __StackLimit, . - __StackLimit

+__StackTop:

+    .size __StackTop, . - __StackTop

+

+    .section .heap

+    .align 3

+#ifdef __HEAP_SIZE

+    .equ    Heap_Size, __HEAP_SIZE

+#else

+    .equ    Heap_Size, 2048

+#endif

+    .globl    __HeapBase

+    .globl    __HeapLimit

+__HeapBase:

+    .if    Heap_Size

+    .space    Heap_Size

+    .endif

+    .size __HeapBase, . - __HeapBase

+__HeapLimit:

+    .size __HeapLimit, . - __HeapLimit

+    

+    .section .Vectors

+    .align 2

+    .globl __Vectors

+__Vectors:

+    .long    __StackTop            /* Top of Stack */

+    .long   Reset_Handler               /* Reset Handler */

+    .long   NMI_Handler                 /* NMI Handler */

+    .long   HardFault_Handler           /* Hard Fault Handler */

+    .long   0                           /* Reserved */

+    .long   0                           /* Reserved */

+    .long   0                           /* Reserved */

+    .long   0                           /* Reserved */

+    .long   0                           /* Reserved */

+    .long   0                           /* Reserved */

+    .long   0                           /* Reserved */

+    .long   SVC_Handler                 /* SVCall Handler */

+    .long   0                           /* Reserved */

+    .long   0                           /* Reserved */

+    .long   PendSV_Handler              /* PendSV Handler */

+    .long   SysTick_Handler             /* SysTick Handler */

+

+  /* External Interrupts */

+    .long 	POWER_CLOCK_IRQHandler		 /*POWER_CLOCK */

+    .long 	RADIO_IRQHandler		 /*RADIO */

+    .long 	UART0_IRQHandler		 /*UART0 */

+    .long 	SPI0_TWI0_IRQHandler		 /*SPI0_TWI0 */

+    .long 	SPI1_TWI1_IRQHandler		 /*SPI1_TWI1 */

+    .long 	0		 /*Reserved */

+    .long 	GPIOTE_IRQHandler		 /*GPIOTE */

+    .long 	ADC_IRQHandler		 /*ADC */

+    .long 	TIMER0_IRQHandler		 /*TIMER0 */

+    .long 	TIMER1_IRQHandler		 /*TIMER1 */

+    .long 	TIMER2_IRQHandler		 /*TIMER2 */

+    .long 	RTC0_IRQHandler		 /*RTC0 */

+    .long 	TEMP_IRQHandler		 /*TEMP */

+    .long 	RNG_IRQHandler		 /*RNG */

+    .long 	ECB_IRQHandler		 /*ECB */

+    .long 	CCM_AAR_IRQHandler		 /*CCM_AAR */

+    .long 	WDT_IRQHandler		 /*WDT */

+    .long 	RTC1_IRQHandler		 /*RTC1 */

+    .long 	QDEC_IRQHandler		 /*QDEC */

+    .long 	LPCOMP_IRQHandler		 /*LPCOMP */

+    .long 	SWI0_IRQHandler		 /*SWI0 */

+    .long 	SWI1_IRQHandler		 /*SWI1 */

+    .long 	SWI2_IRQHandler		 /*SWI2 */

+    .long 	SWI3_IRQHandler		 /*SWI3 */

+    .long 	SWI4_IRQHandler		 /*SWI4 */

+    .long 	SWI5_IRQHandler		 /*SWI5 */

+    .long 	0		 /*Reserved */

+    .long 	0		 /*Reserved */

+    .long 	0		 /*Reserved */

+    .long 	0		 /*Reserved */

+    .long 	0		 /*Reserved */

+    .long 	0		 /*Reserved */

+

+

+    .size    __Vectors, . - __Vectors

+

+/* Reset Handler */

+

+    .equ    NRF_POWER_RAMON_ADDRESS,             0x40000524

+    .equ    NRF_POWER_RAMONB_ADDRESS,            0x40000554

+    .equ    NRF_POWER_RAMONx_RAMxON_ONMODE_Msk,  0x3  

+

+    .text

+    .thumb

+    .thumb_func

+    .align 1

+    .globl    Reset_Handler

+    .type    Reset_Handler, %function

+Reset_Handler:

+    .fnstart

+

+/* Make sure ALL RAM banks are powered on */

+    MOVS    R1, #NRF_POWER_RAMONx_RAMxON_ONMODE_Msk

+    

+    LDR     R0, =NRF_POWER_RAMON_ADDRESS

+    LDR     R2, [R0]

+    ORRS    R2, R1

+    STR     R2, [R0]

+

+    LDR     R0, =NRF_POWER_RAMONB_ADDRESS

+    LDR     R2, [R0]

+    ORRS    R2, R1

+    STR     R2, [R0]

+

+    

+/*     Loop to copy data from read only memory to RAM. The ranges

+ *      of copy from/to are specified by following symbols evaluated in 

+ *      linker script.

+ *      __etext: End of code section, i.e., begin of data sections to copy from.

+ *      __data_start__/__data_end__: RAM address range that data should be

+ *      copied to. Both must be aligned to 4 bytes boundary.  */

+

+    ldr    r1, =__etext

+    ldr    r2, =__data_start__

+    ldr    r3, =__data_end__

+

+    subs    r3, r2

+    ble     .LC0

+

+.LC1:

+    subs    r3, 4

+    ldr    r0, [r1,r3]

+    str    r0, [r2,r3]

+    bgt    .LC1

+.LC0:

+    

+    LDR     R0, =SystemInit

+    BLX     R0

+    LDR     R0, =_start

+    BX      R0

+

+    .pool

+    .cantunwind

+    .fnend

+    .size   Reset_Handler,.-Reset_Handler

+

+    .section ".text"

+

+

+/* Dummy Exception Handlers (infinite loops which can be modified) */

+

+    .weak   NMI_Handler

+    .type   NMI_Handler, %function

+NMI_Handler:

+    B       .

+    .size   NMI_Handler, . - NMI_Handler

+

+

+    .weak   HardFault_Handler

+    .type   HardFault_Handler, %function

+HardFault_Handler:

+    B       .

+    .size   HardFault_Handler, . - HardFault_Handler

+

+

+    .weak   SVC_Handler

+    .type   SVC_Handler, %function

+SVC_Handler:

+    B       .

+    .size   SVC_Handler, . - SVC_Handler

+

+

+    .weak   PendSV_Handler

+    .type   PendSV_Handler, %function

+PendSV_Handler:

+    B       .

+    .size   PendSV_Handler, . - PendSV_Handler

+

+

+    .weak   SysTick_Handler

+    .type   SysTick_Handler, %function

+SysTick_Handler:

+    B       .

+    .size   SysTick_Handler, . - SysTick_Handler

+

+

+/* IRQ Handlers */

+

+    .globl  Default_Handler

+    .type   Default_Handler, %function

+Default_Handler:

+    B       .

+    .size   Default_Handler, . - Default_Handler

+

+    .macro  IRQ handler

+    .weak   \handler

+    .set    \handler, Default_Handler

+    .endm

+

+    IRQ  POWER_CLOCK_IRQHandler

+    IRQ  RADIO_IRQHandler

+    IRQ  UART0_IRQHandler

+    IRQ  SPI0_TWI0_IRQHandler

+    IRQ  SPI1_TWI1_IRQHandler

+    IRQ  GPIOTE_IRQHandler

+    IRQ  ADC_IRQHandler

+    IRQ  TIMER0_IRQHandler

+    IRQ  TIMER1_IRQHandler

+    IRQ  TIMER2_IRQHandler

+    IRQ  RTC0_IRQHandler

+    IRQ  TEMP_IRQHandler

+    IRQ  RNG_IRQHandler

+    IRQ  ECB_IRQHandler

+    IRQ  CCM_AAR_IRQHandler

+    IRQ  WDT_IRQHandler

+    IRQ  RTC1_IRQHandler

+    IRQ  QDEC_IRQHandler

+    IRQ  LPCOMP_IRQHandler

+    IRQ  SWI0_IRQHandler

+    IRQ  SWI1_IRQHandler

+    IRQ  SWI2_IRQHandler

+    IRQ  SWI3_IRQHandler

+    IRQ  SWI4_IRQHandler

+    IRQ  SWI5_IRQHandler

+

+

+  .end

+

diff --git a/system_nrf51.c b/system_nrf51.c
new file mode 100644
index 0000000..a3f1d4e
--- /dev/null
+++ b/system_nrf51.c
@@ -0,0 +1,121 @@
+/* Copyright (c) 2013, Nordic Semiconductor ASA

+ * All rights reserved.

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions are met:

+ *

+ *   * Redistributions of source code must retain the above copyright notice, this

+ *     list of conditions and the following disclaimer.

+ *

+ *   * Redistributions in binary form must reproduce the above copyright notice,

+ *     this list of conditions and the following disclaimer in the documentation

+ *     and/or other materials provided with the distribution.

+ *

+ *   * Neither the name of Nordic Semiconductor ASA nor the names of its

+ *     contributors may be used to endorse or promote products derived from

+ *     this software without specific prior written permission.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+ *

+ */

+

+/* NOTE: Template files (including this one) are application specific and therefore expected to 

+   be copied into the application project folder prior to its use! */

+

+#include <stdint.h>

+#include <stdbool.h>

+#include "nrf.h"

+#include "system_nrf51.h"

+

+/*lint ++flb "Enter library region" */

+

+

+#define __SYSTEM_CLOCK      (16000000UL)     /*!< nRF51 devices use a fixed System Clock Frequency of 16MHz */

+

+static bool is_manual_peripheral_setup_needed(void);

+static bool is_disabled_in_debug_needed(void);

+

+

+#if defined ( __CC_ARM )

+    uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK;  

+#elif defined ( __ICCARM__ )

+    __root uint32_t SystemCoreClock = __SYSTEM_CLOCK;

+#elif defined   ( __GNUC__ )

+    uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK;

+#endif

+

+void SystemCoreClockUpdate(void)

+{

+    SystemCoreClock = __SYSTEM_CLOCK;

+}

+

+void SystemInit(void)

+{

+    /* If desired, switch off the unused RAM to lower consumption by the use of RAMON register.

+       It can also be done in the application main() function. */

+

+    /* Prepare the peripherals for use as indicated by the PAN 26 "System: Manual setup is required

+       to enable the use of peripherals" found at Product Anomaly document for your device found at

+       https://www.nordicsemi.com/. The side effect of executing these instructions in the devices 

+       that do not need it is that the new peripherals in the second generation devices (LPCOMP for

+       example) will not be available. */

+    if (is_manual_peripheral_setup_needed())

+    {

+        *(uint32_t volatile *)0x40000504 = 0xC007FFDF;

+        *(uint32_t volatile *)0x40006C18 = 0x00008000;

+    }

+    

+    /* Disable PROTENSET registers under debug, as indicated by PAN 59 "MPU: Reset value of DISABLEINDEBUG

+       register is incorrect" found at Product Anomaly document four your device found at 

+       https://www.nordicsemi.com/. There is no side effect of using these instruction if not needed. */

+    if (is_disabled_in_debug_needed())

+    {

+        NRF_MPU->DISABLEINDEBUG = MPU_DISABLEINDEBUG_DISABLEINDEBUG_Disabled << MPU_DISABLEINDEBUG_DISABLEINDEBUG_Pos;

+    }

+}

+

+

+static bool is_manual_peripheral_setup_needed(void) 

+{

+    if ((((*(uint32_t *)0xF0000FE0) & 0x000000FF) == 0x1) && (((*(uint32_t *)0xF0000FE4) & 0x0000000F) == 0x0))

+    {

+        if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x00) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0))

+        {

+            return true;

+        }

+        if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x10) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0))

+        {

+            return true;

+        }

+        if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x30) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0))

+        {

+            return true;

+        }

+    }

+    

+    return false;

+}

+

+static bool is_disabled_in_debug_needed(void) 

+{

+    if ((((*(uint32_t *)0xF0000FE0) & 0x000000FF) == 0x1) && (((*(uint32_t *)0xF0000FE4) & 0x0000000F) == 0x0))

+    {

+        if ((((*(uint32_t *)0xF0000FE8) & 0x000000F0) == 0x40) && (((*(uint32_t *)0xF0000FEC) & 0x000000F0) == 0x0))

+        {

+            return true;

+        }

+    }

+    

+    return false;

+}

+

+/*lint --flb "Leave library region" */