Initial commit.

CMakeLists.txt

@@ -0,0 +1,215 @@
+cmake_minimum_required(VERSION 3.12)
+
+project(nrf51_template)
+
+enable_language(CXX)
+enable_language(ASM)
+
+if(NOT DEFINED NRF5_SDK_ROOT)
+    message(FATAL_ERROR "NRF5_SDK_ROOT not defined")
+endif()
+
+set(NRF5_DEVICE             "NRF51822")
+set(NRF5_S130_VERSION          "2.0.1")
+
+set(TARGET_CFLAGS_EXTRA     "")
+set(TARGET_CXXFLAGS_EXTRA   "")
+set(TARGET_LDFLAGS_EXTRA    "-Wl,--print-memory-usage")
+
+# Shared C source code
+set(TARGET_C_SOURCES
+    "src/main.c"
+    "${NRF5_SDK_ROOT}/components/boards/boards.c"
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/clock/nrf_drv_clock.c"
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/common/nrf_drv_common.c"
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/uart/nrf_drv_uart.c"
+    "${NRF5_SDK_ROOT}/components/libraries/hardfault/hardfault_implementation.c"
+    "${NRF5_SDK_ROOT}/components/libraries/log/src/nrf_log_backend_serial.c"
+    "${NRF5_SDK_ROOT}/components/libraries/log/src/nrf_log_frontend.c"
+    "${NRF5_SDK_ROOT}/components/libraries/timer/app_timer.c"
+    "${NRF5_SDK_ROOT}/components/libraries/util/app_error.c"
+    "${NRF5_SDK_ROOT}/components/libraries/util/app_error_weak.c"
+    "${NRF5_SDK_ROOT}/components/libraries/util/app_util_platform.c"
+    "${NRF5_SDK_ROOT}/components/libraries/util/nrf_assert.c"
+    "${NRF5_SDK_ROOT}/components/libraries/util/sdk_errors.c"
+    "${NRF5_SDK_ROOT}/components/toolchain/system_nrf51.c"
+)
+
+# C source code for applications with SoftDevice
+set(TARGET_C_SOURCES_SD
+    "${NRF5_SDK_ROOT}/components/softdevice/common/softdevice_handler/softdevice_handler.c"
+)
+
+# Assembly source code
+set(TARGET_ASM_SOURCES
+    "${NRF5_SDK_ROOT}/components/toolchain/gcc/gcc_startup_nrf51.S"
+)
+
+# Shared include directories
+set(TARGET_C_INCLUDES
+    "config"
+    "include"
+    "${NRF5_SDK_ROOT}/components/boards"
+    "${NRF5_SDK_ROOT}/components/device"
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/clock"
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/common"
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/delay"
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/hal"
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/uart"
+    "${NRF5_SDK_ROOT}/components/libraries/log"
+    "${NRF5_SDK_ROOT}/components/libraries/log/src"
+    "${NRF5_SDK_ROOT}/components/libraries/util"
+    "${NRF5_SDK_ROOT}/components/toolchain"
+    "${NRF5_SDK_ROOT}/components/toolchain/cmsis/include"
+)
+
+# Include directories for applications without SoftDevice
+set(TARGET_C_INCLUDES_BLANK
+    "${NRF5_SDK_ROOT}/components/drivers_nrf/nrf_soc_nosd"
+)
+
+# Include directories for applications with SoftDevice
+set(TARGET_C_INCLUDES_SD
+    "${NRF5_SDK_ROOT}/components/softdevice/common/softdevice_handler"
+    "${NRF5_SDK_ROOT}/components/softdevice/s130/headers"
+)
+
+# Shared C/CXX macros
+set(TARGET_C_DEFINES
+    "NRF51"
+    "${NRF5_DEVICE}"
+    "BSP_DEFINES_ONLY"
+    "BOARD_CUSTOM"
+    "SWI_DISABLE0"
+    "USE_APP_CONFIG"
+)
+
+# C/CXX macros for applications with SoftDevice
+set(TARGET_DEFINES_SD
+    "S130"
+    "SOFTDEVICE_PRESENT"
+    "BLE_SUPPORT_REQD"
+    "NRF_SD_BLE_API_VERSION=2"
+)
+
+# Shared libraries linked with application
+set(TARGET_LIBS
+)
+
+# Shared library and linker script search paths
+set(TARGET_LIB_DIRECTORIES
+    "${NRF5_SDK_ROOT}/components/toolchain/gcc"
+)
+
+# Device specific settings, goes to C, CXX and ASM flags.
+set(TARGET_CFLAGS_HARDWARE "-mcpu=cortex-m0 -mfloat-abi=soft -mthumb")
+
+# Conditional flags
+# DEBUG
+set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG -Og -g")
+set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG -Og -g")
+set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG -Og -g")
+
+# RELEASE
+set(CMAKE_C_FLAGS_RELEASE        "-DNDEBUG -O3 -flto")
+set(CMAKE_CXX_FLAGS_RELEASE      "-DNDEBUG -O3 -flto")
+set(CMAKE_ASM_FLAGS_RELEASE      "-DNDEBUG -O3 -flto")
+set(CMAKE_EXE_LINKER_FLAGS_DEBUG "-flto")
+
+# Final compiler flags
+set(CMAKE_C_FLAGS          "${CMAKE_C_FLAGS} ${TARGET_CFLAGS_HARDWARE} ${TARGET_CFLAGS_EXTRA} -Wall -fdata-sections -ffunction-sections -fno-strict-aliasing -fno-builtin")
+set(CMAKE_CXX_FLAGS        "${CMAKE_CXX_FLAGS} ${TARGET_CFLAGS_HARDWARE} ${TARGET_CXXFLAGS_EXTRA} -Wall -fdata-sections -ffunction-sections -fno-strict-aliasing -fno-builtin")
+set(CMAKE_ASM_FLAGS        "${CMAKE_C_FLAGS} -x assembler-with-cpp")
+set(CMAKE_EXE_LINKER_FLAGS "-specs=nano.specs -specs=nosys.specs -Wl,--gc-sections -lc -lm -lnosys ${TARGET_LDFLAGS_EXTRA}")
+
+# Different linker scripts for different flavors.
+# Note that SoftDevice requires certain memory ranges reserved for private use.
+set(TARGET_LDSCRIPT_BLANK_AA "${NRF5_SDK_ROOT}/components/toolchain/gcc/nrf51_xxaa.ld")       # Blank device
+set(TARGET_LDSCRIPT_BLANK_AC "${NRF5_SDK_ROOT}/components/toolchain/gcc/nrf51_xxac.ld")       # Blank device with additional 16KB SRAM
+set(TARGET_LDSCRIPT_SD_AA    "${CMAKE_SOURCE_DIR}/components/toolchain/gcc/nrf51_xxaa_sd.ld") # With SoftDevice
+set(TARGET_LDSCRIPT_SD_AC    "${CMAKE_SOURCE_DIR}/components/toolchain/gcc/nrf51_xxaa_sd.ld") # With SoftDevice and additional 16KB SRAM
+
+# Add shared includes, defines and libs
+include_directories(${TARGET_C_INCLUDES})
+add_compile_definitions(${TARGET_C_DEFINES})
+link_directories(${TARGET_LIB_DIRECTORIES})
+link_libraries(${TARGET_LIBS})
+
+# Main targets are added below
+
+# ============================= AA variant, without SD ============================= #
+add_executable("${CMAKE_PROJECT_NAME}_blank_xxaa.elf" ${TARGET_C_SOURCES} ${TARGET_ASM_SOURCES})
+target_link_options("${CMAKE_PROJECT_NAME}_blank_xxaa.elf"
+    PRIVATE "-T${TARGET_LDSCRIPT_BLANK_AA}"
+    PRIVATE "-Wl,-Map=${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}_blank_xxaa.map,--cref"
+)
+target_include_directories("${CMAKE_PROJECT_NAME}_blank_xxaa.elf" PRIVATE ${TARGET_C_INCLUDES_BLANK})
+
+# Generate hex
+add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_blank_xxaa.hex"
+    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_blank_xxaa.elf" "${CMAKE_PROJECT_NAME}_blank_xxaa.hex"
+    DEPENDS "${CMAKE_PROJECT_NAME}_blank_xxaa.elf"
+)
+add_custom_target("${CMAKE_PROJECT_NAME}_blank_xxaa_hex" DEPENDS "${CMAKE_PROJECT_NAME}_blank_xxaa.hex")
+# ================================================================================== #
+
+
+# ============================= AC variant, without SD ============================= #
+add_executable("${CMAKE_PROJECT_NAME}_blank_xxac.elf" ${TARGET_C_SOURCES} ${TARGET_ASM_SOURCES})
+target_link_options("${CMAKE_PROJECT_NAME}_blank_xxac.elf"
+    PRIVATE "-T${TARGET_LDSCRIPT_BLANK_AC}"
+    PRIVATE "-Wl,-Map=${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}_blank_xxac.map,--cref"
+)
+target_include_directories("${CMAKE_PROJECT_NAME}_blank_xxac.elf" PRIVATE ${TARGET_C_INCLUDES_BLANK})
+
+# Generate hex
+add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_blank_xxac.hex"
+    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_blank_xxac.elf" "${CMAKE_PROJECT_NAME}_blank_xxac.hex"
+    DEPENDS "${CMAKE_PROJECT_NAME}_blank_xxac.elf"
+)
+add_custom_target("${CMAKE_PROJECT_NAME}_blank_xxac_hex" DEPENDS "${CMAKE_PROJECT_NAME}_blank_xxac.hex")
+# ================================================================================== #
+
+
+# =============================== AA variant, with SD =============================== #
+add_executable("${CMAKE_PROJECT_NAME}_sd_xxaa.elf" ${TARGET_C_SOURCES} ${TARGET_C_SOURCES_SD} ${TARGET_ASM_SOURCES})
+target_link_options("${CMAKE_PROJECT_NAME}_sd_xxaa.elf"
+    PRIVATE "-T${TARGET_LDSCRIPT_SD_AA}"
+    PRIVATE "-Wl,-Map=${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}_sd_xxaa.map,--cref"
+)
+target_include_directories("${CMAKE_PROJECT_NAME}_sd_xxaa.elf" PRIVATE ${TARGET_C_INCLUDES_SD})
+target_compile_definitions("${CMAKE_PROJECT_NAME}_sd_xxaa.elf" PRIVATE ${TARGET_DEFINES_SD})
+
+# Generate hex
+add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_sd_xxaa.hex" "${CMAKE_PROJECT_NAME}_sd_xxaa_full.hex"
+    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_sd_xxaa.elf" "${CMAKE_PROJECT_NAME}_sd_xxaa.hex"
+    COMMAND "${CMAKE_SOURCE_DIR}/scripts/merge_hex.sh"
+            "${NRF5_SDK_ROOT}/components/softdevice/s130/hex/s130_nrf51_${NRF5_S130_VERSION}_softdevice.hex"
+            "${CMAKE_PROJECT_NAME}_sd_xxaa.hex"
+            "${CMAKE_PROJECT_NAME}_sd_xxaa_full.hex"
+    DEPENDS "${CMAKE_PROJECT_NAME}_sd_xxaa.elf"
+)
+add_custom_target("${CMAKE_PROJECT_NAME}_sd_xxaa_hex" DEPENDS "${CMAKE_PROJECT_NAME}_sd_xxaa.hex")
+# ================================================================================== #
+
+
+# =============================== AC variant, with SD =============================== #
+add_executable("${CMAKE_PROJECT_NAME}_sd_xxac.elf" ${TARGET_C_SOURCES} ${TARGET_C_SOURCES_SD} ${TARGET_ASM_SOURCES})
+target_link_options("${CMAKE_PROJECT_NAME}_sd_xxac.elf"
+    PRIVATE "-T${TARGET_LDSCRIPT_SD_AC}"
+    PRIVATE "-Wl,-Map=${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}_sd_xxac.map,--cref"
+)
+target_include_directories("${CMAKE_PROJECT_NAME}_sd_xxac.elf" PRIVATE ${TARGET_C_INCLUDES_SD})
+target_compile_definitions("${CMAKE_PROJECT_NAME}_sd_xxac.elf" PRIVATE ${TARGET_DEFINES_SD})
+
+# Generate hex
+add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_sd_xxac.hex" "${CMAKE_PROJECT_NAME}_sd_xxac_full.hex"
+    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_sd_xxac.elf" "${CMAKE_PROJECT_NAME}_sd_xxac.hex"
+    COMMAND "${CMAKE_SOURCE_DIR}/scripts/merge_hex.sh"
+            "${NRF5_SDK_ROOT}/components/softdevice/s130/hex/s130_nrf51_${NRF5_S130_VERSION}_softdevice.hex"
+            "${CMAKE_PROJECT_NAME}_sd_xxac.hex"
+            "${CMAKE_PROJECT_NAME}_sd_xxac_full.hex"
+    DEPENDS "${CMAKE_PROJECT_NAME}_sd_xxac.elf"
+)
+add_custom_target("${CMAKE_PROJECT_NAME}_sd_xxac_hex" DEPENDS "${CMAKE_PROJECT_NAME}_sd_xxac.hex")
+# ================================================================================== #

arm-none-eabi.cmake

@@ -0,0 +1,5 @@
+set(CMAKE_C_COMPILER arm-none-eabi-gcc)
+set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
+
+# Make CMake happy about those compilers
+set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")

components/toolchain/gcc/nrf51_xxaa_sd.ld

@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x0001B000, LENGTH = 0x25000
+  RAM (rwx) :  ORIGIN = 0x200013C8, LENGTH = 0x6C38
+}
+
+
+INCLUDE "nrf51_common.ld"

components/toolchain/gcc/nrf51_xxac_sd.ld

@@ -0,0 +1,13 @@
+/* Linker script to configure memory regions. */
+
+SEARCH_DIR(.)
+GROUP(-lgcc -lc -lnosys)
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x0001B000, LENGTH = 0x25000
+  RAM (rwx) :  ORIGIN = 0x200013C8, LENGTH = 0x8000
+}
+
+
+INCLUDE "nrf51_common.ld"

config/app_config.h

@@ -0,0 +1,6 @@
+#ifndef APP_CONFIG_H
+#define APP_CONFIG_H
+
+/* Define your App config here */
+#define NRF_LOG_ENABLED 1
+#endif

include/custom_board.h

@@ -0,0 +1,85 @@
+/**
+ * @file custom_board.h
+ * @author imi415 <imi415.public@gmail.com>
+ * @brief Custom board file for Waveshare BLE-400 board.
+ * @version 0.1
+ * @date 2021-11-24
+ * 
+ * @copyright Copyright (c) 2021 imi415
+ * 
+ */
+
+#ifndef CUSTOM_BOARD_H
+#define CUSTOM_BOARD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "nrf_gpio.h"
+
+// LEDs definitions for Waveshare BLE-400
+#define LED_START      18
+#define LED_0          18
+#define LED_1          19
+#define LED_2          20
+#define LED_3          21
+#define LED_4          22
+#define LED_STOP       22
+
+#define LEDS_ACTIVE_STATE 1
+
+#define LEDS_INV_MASK  LEDS_MASK
+
+#define LED_0_MASK     (1<<LED_0)
+#define LED_1_MASK     (1<<LED_1)
+#define LED_2_MASK     (1<<LED_2)
+#define LED_3_MASK     (1<<LED_3)
+#define LED_4_MASK     (1<<LED_4)
+
+#define BSP_LED_0 LED_0
+#define BSP_LED_1 LED_1
+#define BSP_LED_2 LED_2
+#define BSP_LED_3 LED_3
+#define BSP_LED_4 LED_4
+
+// Buttons definitions for Waveshare BLE-400
+#define BUTTON_START   16
+#define BUTTON_0       16
+#define BUTTON_1       17
+#define BUTTON_END     17
+#define BUTTON_PULL    NRF_GPIO_PIN_PULLUP
+
+#define BUTTONS_ACTIVE_STATE 0
+
+#define BSP_BUTTON_0   BUTTON_0
+#define BSP_BUTTON_1   BUTTON_1
+
+#define BUTTONS_LIST { BUTTON_0, BUTTON_1, }
+#define LEDS_LIST { LED_0, LED_1, LED_2, LED_3, LED_4, }
+
+#define BUTTONS_NUMBER 2
+#define LEDS_NUMBER    5
+
+// UART connection with CP2102
+#define RX_PIN_NUMBER  11
+#define TX_PIN_NUMBER  9
+#define CTS_PIN_NUMBER 10
+#define RTS_PIN_NUMBER 8
+#define HWFC           false
+
+// Low frequency clock source to be used by the SoftDevice
+#ifdef S210
+#define NRF_CLOCK_LFCLKSRC      NRF_CLOCK_LFCLKSRC_XTAL_20_PPM
+#else
+#define NRF_CLOCK_LFCLKSRC      {.source        = NRF_CLOCK_LF_SRC_XTAL,            \
+                                 .rc_ctiv       = 0,                                \
+                                 .rc_temp_ctiv  = 0,                                \
+                                 .xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM}
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

scripts/merge_hex.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+SD_HEX=$1
+APP_HEX=$2
+FULL_HEX=$3
+
+if [ $# -le 2 ] ; then
+    echo 'Usage: merge_hex.sh ${PATH_TO_SD} ${PATH_TO_APP} ${PATH_TO_FULL}'
+    exit -1
+fi
+
+echo 'Merging ihex files...'
+
+# Copy SoftDevice file
+cat "${SD_HEX}" > "${FULL_HEX}"
+
+# Strip the last line (EOF marker) from SoftDevice.
+sed -i "$ d" "${FULL_HEX}"
+
+# Append application code to the file
+cat "${APP_HEX}" >> "${FULL_HEX}"
+
+echo 'Done.'

src/main.c

@@ -0,0 +1,29 @@
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "nrf_delay.h"
+
+#include "nrf_log.h"
+#include "nrf_log_ctrl.h"
+
+#include "boards.h"
+
+int main(const int argc, const char* argv[]) {
+    bsp_board_leds_init();
+
+    /* Initialize the log module */
+    APP_ERROR_CHECK(NRF_LOG_INIT(NULL));
+
+    /* Print welcome string and flush log buffer */
+    NRF_LOG_INFO("Application started.\r\n");
+    NRF_LOG_FLUSH();
+    for(;;) {
+        // Dead Loop
+        for(int i = 0; i < LEDS_NUMBER; i++) {
+            bsp_board_led_invert(i);
+            nrf_delay_ms(500);
+        }
+    }
+
+    return 0;
+}