add nrf52 project

.gitignore

@@ -55,3 +55,9 @@ dkms.conf
 *.pem
 *.der
 *.csr
+*.stackdump
+
+tools/attest
+
+sdk_15.0.0/
+_build/

nrf52840/Makefile

@@ -0,0 +1,138 @@
+PROJECT_NAME     := blinky_pca10056
+TARGETS          := nrf52840_xxaa
+OUTPUT_DIRECTORY := _build
+
+SDK_ROOT := ./sdk_15.0.0
+PROJ_DIR := .
+
+$(OUTPUT_DIRECTORY)/nrf52840_xxaa.out: \
+  LINKER_SCRIPT  := blinky_gcc_nrf52.ld
+
+# Source files common to all targets
+SRC_FILES += \
+  $(SDK_ROOT)/modules/nrfx/mdk/gcc_startup_nrf52840.S \
+  $(PROJ_DIR)/main.c \
+  $(SDK_ROOT)/components/boards/boards.c \
+  $(SDK_ROOT)/components/libraries/util/app_error.c \
+  $(SDK_ROOT)/components/libraries/util/app_error_handler_gcc.c \
+  $(SDK_ROOT)/components/libraries/util/app_error_weak.c \
+  $(SDK_ROOT)/components/libraries/util/app_util_platform.c \
+  $(SDK_ROOT)/components/libraries/util/nrf_assert.c \
+  $(SDK_ROOT)/components/libraries/strerror/nrf_strerror.c \
+  $(SDK_ROOT)/modules/nrfx/mdk/system_nrf52840.c \
+  $(SDK_ROOT)/external/segger_rtt/SEGGER_RTT.c \
+  $(SDK_ROOT)/external/segger_rtt/SEGGER_RTT_printf.c \
+
+# Include folders common to all targets
+INC_FOLDERS += \
+  $(SDK_ROOT)/components \
+  $(SDK_ROOT)/components/libraries/experimental_memobj \
+  $(SDK_ROOT)/components/libraries/experimental_section_vars \
+  $(SDK_ROOT)/modules/nrfx/mdk \
+  $(SDK_ROOT)/modules/nrfx/hal \
+  $(SDK_ROOT)/components/libraries/balloc \
+  $(SDK_ROOT)/components/libraries/experimental_log \
+  $(SDK_ROOT)/components/libraries/experimental_log/src \
+  $(SDK_ROOT)/components/libraries/delay \
+  $(SDK_ROOT)/integration/nrfx \
+  $(SDK_ROOT)/components/libraries/bsp \
+  $(SDK_ROOT)/components/drivers_nrf/nrf_soc_nosd \
+  $(SDK_ROOT)/components/libraries/strerror \
+  $(SDK_ROOT)/components/boards \
+  $(SDK_ROOT)/components/toolchain/cmsis/include \
+  $(SDK_ROOT)/modules/nrfx \
+  $(SDK_ROOT)/external/segger_rtt \
+  $(PROJ_DIR) \
+  $(SDK_ROOT)/components/libraries/util \
+
+# Libraries common to all targets
+LIB_FILES += \
+
+# Optimization flags
+OPT = -O3 -g3
+# Uncomment the line below to enable link time optimization
+#OPT += -flto
+
+# C flags common to all targets
+CFLAGS += $(OPT)
+CFLAGS += -DBOARD_PCA10056
+CFLAGS += -DBSP_DEFINES_ONLY
+CFLAGS += -DCONFIG_GPIO_AS_PINRESET
+CFLAGS += -DFLOAT_ABI_HARD
+CFLAGS += -DNRF52840_XXAA
+CFLAGS += -mcpu=cortex-m4
+CFLAGS += -mthumb -mabi=aapcs
+CFLAGS += -Wall -Werror
+CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
+# keep every function in a separate section, this allows linker to discard unused ones
+CFLAGS += -ffunction-sections -fdata-sections -fno-strict-aliasing
+CFLAGS += -fno-builtin -fshort-enums
+
+# C++ flags common to all targets
+CXXFLAGS += $(OPT)
+
+# Assembler flags common to all targets
+ASMFLAGS += -g3
+ASMFLAGS += -mcpu=cortex-m4
+ASMFLAGS += -mthumb -mabi=aapcs
+ASMFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
+ASMFLAGS += -DBOARD_PCA10056
+ASMFLAGS += -DBSP_DEFINES_ONLY
+ASMFLAGS += -DCONFIG_GPIO_AS_PINRESET
+ASMFLAGS += -DFLOAT_ABI_HARD
+ASMFLAGS += -DNRF52840_XXAA
+
+# Linker flags
+LDFLAGS += $(OPT)
+LDFLAGS += -mthumb -mabi=aapcs -L$(SDK_ROOT)/modules/nrfx/mdk -T$(LINKER_SCRIPT)
+LDFLAGS += -mcpu=cortex-m4
+LDFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
+# let linker dump unused sections
+LDFLAGS += -Wl,--gc-sections
+# use newlib in nano version
+LDFLAGS += --specs=nano.specs
+
+nrf52840_xxaa: CFLAGS += -D__HEAP_SIZE=8192
+nrf52840_xxaa: CFLAGS += -D__STACK_SIZE=8192
+nrf52840_xxaa: ASMFLAGS += -D__HEAP_SIZE=8192
+nrf52840_xxaa: ASMFLAGS += -D__STACK_SIZE=8192
+
+# Add standard libraries at the very end of the linker input, after all objects
+# that may need symbols provided by these libraries.
+LIB_FILES += -lc -lnosys -lm
+
+
+.PHONY: default help
+
+# Default target - first one defined
+default: nrf52840_xxaa
+
+# Print all targets that can be built
+help:
+	@echo following targets are available:
+	@echo		nrf52840_xxaa
+	@echo		sdk_config - starting external tool for editing sdk_config.h
+	@echo		flash      - flashing binary
+
+TEMPLATE_PATH := $(SDK_ROOT)/components/toolchain/gcc
+
+
+include $(TEMPLATE_PATH)/Makefile.common
+
+$(foreach target, $(TARGETS), $(call define_target, $(target)))
+
+.PHONY: flash erase
+
+# Flash the program
+flash: $(OUTPUT_DIRECTORY)/nrf52840_xxaa.hex
+	@echo Flashing: $<
+	nrfjprog -f nrf52 --program $< --sectorerase
+	nrfjprog -f nrf52 --reset
+
+erase:
+	nrfjprog -f nrf52 --eraseall
+
+SDK_CONFIG_FILE := ../config/sdk_config.h
+CMSIS_CONFIG_TOOL := $(SDK_ROOT)/external_tools/cmsisconfig/CMSIS_Configuration_Wizard.jar
+sdk_config:
+	java -jar $(CMSIS_CONFIG_TOOL) $(SDK_CONFIG_FILE)

nrf52840/blinky_gcc_nrf52.ld

@@ -0,0 +1,51 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x100000
+  RAM (rwx) :  ORIGIN = 0x20000000, LENGTH = 0x40000
+}
+
+SECTIONS
+{
+}
+
+SECTIONS
+{
+  . = ALIGN(4);
+  .mem_section_dummy_ram :
+  {
+  }
+  .log_dynamic_data :
+  {
+    PROVIDE(__start_log_dynamic_data = .);
+    KEEP(*(SORT(.log_dynamic_data*)))
+    PROVIDE(__stop_log_dynamic_data = .);
+  } > RAM
+
+} INSERT AFTER .data;
+
+SECTIONS
+{
+  .mem_section_dummy_rom :
+  {
+  }
+  .log_const_data :
+  {
+    PROVIDE(__start_log_const_data = .);
+    KEEP(*(SORT(.log_const_data*)))
+    PROVIDE(__stop_log_const_data = .);
+  } > FLASH
+    .nrf_balloc :
+  {
+    PROVIDE(__start_nrf_balloc = .);
+    KEEP(*(.nrf_balloc))
+    PROVIDE(__stop_nrf_balloc = .);
+  } > FLASH
+
+} INSERT AFTER .text
+
+INCLUDE "nrf_common.ld"

nrf52840/main.c

@@ -0,0 +1,89 @@
+/**
+ * Copyright (c) 2014 - 2018, 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:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, 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.
+ * 
+ * 3. 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.
+ * 
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ * 
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
+ * 
+ */
+/** @file
+ *
+ * @defgroup blinky_example_main main.c
+ * @{
+ * @ingroup blinky_example
+ * @brief Blinky Example Application main file.
+ *
+ * This file contains the source code for a sample application to blink LEDs.
+ *
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdint.h>
+#include "nrf_delay.h"
+#include "boards.h"
+
+#include "SEGGER_RTT.h"
+
+/**
+ * @brief Function for application main entry.
+ */
+int main(void)
+{
+    /* Configure board. */
+    bsp_board_init(BSP_INIT_LEDS);
+    SEGGER_RTT_printf(0, "Hello FIDO2\n");
+    /*SEGGER_RTT_Init();*/
+    int i = 0;
+
+    /* Toggle LEDs. */
+    while (true)
+    {
+        i++;
+        for (int i = 0; i < LEDS_NUMBER; i++)
+        {
+            bsp_board_led_invert(i);
+            nrf_delay_ms(100);
+        }
+        printf("toggle\r\n");
+        SEGGER_RTT_SetTerminal(0);
+        SEGGER_RTT_printf(0, "Hello World %d!\n", i);
+        SEGGER_RTT_SetTerminal(1);
+        SEGGER_RTT_printf(0, "Hello World %d!\n", i*i);
+    }
+}
+
+/**
+ *@}
+ **/

nrf52840/pyserial.py

@@ -0,0 +1,18 @@
+#!/usr/bin/python
+import serial, sys
+from sys import argv
+
+if len(argv) not in [2,3]:
+    print('usage: %s <com-port> [baud-rate]' % argv[0])
+    sys.exit(1)
+
+baud = 115200
+if len(argv) > 2:
+    baud = int(argv[2])
+
+ser = serial.Serial(argv[1],baud)
+
+print('reading..')
+sys.stdout.flush()
+while True:
+    sys.stdout.write(ser.read())