Partial bootloader working

clydebarrow · Mar 26, 2017 · d11a35c · d11a35c
1 parent 3c873ad
commit d11a35c
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Showing 39 changed files with 8,540 additions and 235 deletions.
diff --git a/.gitignore b/.gitignore
@@ -8,3 +8,6 @@ cmake-build-debug/
 gatt.i
 gatt_db.c
 platform/
+bootload/CMakeFiles/
+bootload/Makefile
+bootload/cmake_install.cmake
diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
@@ -0,0 +1,83 @@
+cmake_minimum_required(VERSION 3.6)
+project(app
+        VERSION 1.0)
+
+set(CMAKE_C_STANDARD 99)
+add_definitions(-D__NO_SYSTEM_INIT)
+add_definitions(-DEFR32BG1B232F256GM48)
+add_definitions(-D__FPU_PRESENT)
+
+include_directories(inc)
+include_directories(gatt)
+include_directories(libs/SEGGER_RTT_V612j/RTT)
+include_directories(platform/emlib/inc)
+include_directories(platform/Device/SiliconLabs/EFR32BG1B/Include)
+include_directories(platform/CMSIS/Include)
+
+# find the bgbuild command used to translate xml into C
+find_program(BGBUILD_CMD bin/bgbuild
+        $ENV{HOME}/dev/tools/ble/v2.1.1.0/protocol/bluetooth_2.1)
+
+# find the bgfirmware utility. Firstly look in the parent directory/utils. Customise this for your project layout
+find_program(FIRMWARE_CMD bgfirmware
+        PATHS ${CMAKE_SOURCE_DIR}/../utils/build-debug)
+
+set(GATT_DB gatt_db)
+set(GATT_DIR ${CMAKE_SOURCE_DIR}/gatt)
+set(LOCALDIR ${CMAKE_SOURCE_DIR}/localdefs)
+find_file(OTA_SERVICE_UUID_FILE ota_service.txt
+        ${LOCALDIR}
+        ${CMAKE_SOURCE_DIR}/../bootload/localdefs)
+find_file(OTA_KEY_FILE ota_key.txt
+        ${LOCALDIR}
+        ${CMAKE_SOURCE_DIR}/../bootload/localdefs)
+
+set(BLE_STACK_DIR ${CMAKE_SOURCE_DIR}/libs/ble.v2.1.1.0)
+set(GATT_SRC ${GATT_DIR}/gatt.bgproj)
+set(GATT_XML ${GATT_DIR}/gatt.xml)
+set(GATT_I ${GATT_DIR}/gatt.i)
+set(GATT_OUTPUTS ${GATT_DIR}/${GATT_DB}.c ${GATT_DIR}/${GATT_DB}.h)
+set(BIN_FILE ${CMAKE_BINARY_DIR}/${PROJECT_NAME}.bin)
+set(FMW_FILE ${CMAKE_BINARY_DIR}/${PROJECT_NAME}.fmw)
+
+file(GLOB_RECURSE USER_SOURCES "src/*.c")
+file(GLOB_RECURSE USER_HEADERS "inc/*.h")
+file(STRINGS ${OTA_SERVICE_UUID_FILE} OTA_SERVICE)
+file(STRINGS ${OTA_KEY_FILE} OTA_KEY)
+
+IF (CMAKE_BUILD_TYPE MATCHES Debug)
+    file(GLOB_RECURSE RTT_LIBS "libs/SEGGER_RTT_V612j/RTT/*.c")
+    add_definitions(-DDEBUG)
+ENDIF (CMAKE_BUILD_TYPE MATCHES Debug)
+
+set(LIBRARIES ${BLE_STACK_DIR}/stack.a)
+SET(LINKER_SCRIPT app.ld)
+set(STARTUP "src/startup.c")
+#set_property(SOURCE ${STARTUP} PROPERTY LANGUAGE C)
+
+set(CMAKE_COM)
+# add library sources needed
+
+SET(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/${PROJECT_NAME}.ld)
+SET(CMAKE_EXE_LINKER_FLAGS "-Wl,-gc-sections -T ${LINKER_SCRIPT} --specs=nosys.specs")
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-Map=${PROJECT_NAME}.map,--no-check-sections")
+
+add_custom_command(
+        OUTPUT ${GATT_OUTPUTS}
+        DEPENDS ${GATT_SRC} ${GATT_XML}
+        COMMAND ${BGBUILD_CMD} -gn ${GATT_SRC})
+set_source_files_properties(${GATT_OUTPUTS} PROPERTIES GENERATED TRUE)
+
+add_executable(${PROJECT_NAME}.elf ${USER_SOURCES} ${USER_HEADERS} ${LINKER_SCRIPT} gatt/${GATT_DB}.c ${RTT_LIBS})
+target_link_libraries(${PROJECT_NAME}.elf ${LIBRARIES})
+set_target_properties(${PROJECT_NAME}.elf PROPERTIES LINK_DEPENDS ${LINKER_SCRIPT})
+
+add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
+        COMMENT "Building ${BIN_FILE}"
+        COMMAND ${CMAKE_OBJCOPY} -Obinary --gap-fill 255 $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
+        COMMENT "Building ${FMW_FILE}"
+        COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${PROJECT_NAME}.hex
+        COMMAND ${FIRMWARE_CMD} -o${FMW_FILE} -n${PROJECT_VERSION} -k${OTA_KEY} -s${OTA_SERVICE} ${PROJECT_NAME}.hex
+        COMMAND ${OBJSIZE} ${PROJECT_NAME}.elf)
+
+
diff --git a/app/EFR32BG1.cmake b/app/EFR32BG1.cmake
@@ -0,0 +1,21 @@
+INCLUDE(CMakeForceCompiler)
+
+SET(CMAKE_SYSTEM_NAME Generic)
+SET(CMAKE_SYSTEM_VERSION 1)
+
+# The gcc tools start with this prefix
+set(GCC_PREFIX arm-none-eabi)
+
+# locate the c compiler, provide a list of paths for Cmake to look in.
+find_path(GCC_DIR bin/${GCC_PREFIX}-gcc
+        $ENV{HOME}/dev/tools/4.9_2015q3)
+
+set(OBJSIZE ${GCC_DIR}/bin/${GCC_PREFIX}-size)
+# specify the cross compiler
+CMAKE_FORCE_C_COMPILER(${GCC_DIR}/bin/${GCC_PREFIX}-gcc GNU)
+CMAKE_FORCE_CXX_COMPILER(${GCC_DIR}/bin/${GCC_PREFIX}-g++ GNU)
+
+# These flags are appropriate for the SiLabs EFR32BG series chips
+SET(COMMON_FLAGS "-mcpu=cortex-m4 -mthumb -mthumb-interwork -mfloat-abi=hard -mfpu=fpv4-sp-d16 -ffunction-sections -fdata-sections -g -fno-common -fmessage-length=0")
+SET(CMAKE_CXX_FLAGS "${COMMON_FLAGS} -std=c++11")
+SET(CMAKE_C_FLAGS "${COMMON_FLAGS} -std=gnu99")
diff --git a/app/app.ld b/app/app.ld
@@ -0,0 +1,192 @@
+/* Linker script for Silicon Labs EFR32MG1P devices */
+/*                                                                  */
+/* This file is subject to the license terms as defined in ARM's    */
+/* CMSIS END USER LICENSE AGREEMENT.pdf, governing the use of       */
+/* Example Code.                                                    */
+/*                                                                  */
+/* Silicon Laboratories, Inc. 2015                                  */
+/*                                                                  */
+/* Version 4.1.1 */
+/*                                                                  */
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x00021000, LENGTH = 0x40000-0x21000-0x1000
+  RAM (rwx)  : ORIGIN = 0x20003000, LENGTH = 0x4C00-4
+}
+
+/* This is the linker script for the bootloader.
+
+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
+ *   __copy_table_start__
+ *   __copy_table_end__
+ *   __zero_table_start__
+ *   __zero_table_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
+ *   __Vectors_End
+ *   __Vectors_Size
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+/*  At the base of our available flash; start with the AAT table for the app, followed by the vectors and other code. */
+  .vectors :
+  {
+    KEEP(*(.AAT))
+    . = ALIGN(0x80);
+    KEEP(*(.vectors))
+    __Vectors_End = .;
+    __Vectors_Size = __Vectors_End - __Vectors;
+  } > FLASH
+
+  .text_app_ARM.extab :
+  {
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+  } > FLASH
+
+  __exidx_start = .;
+  .text_app_ARM.exidx :
+  {
+    *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+  } > FLASH
+  __exidx_end = .;
+
+  .gecko_table :
+  {
+	KEEP(*(.gecko_configuration))
+	KEEP(*(.xo_configuration))
+	KEEP(*(.gatt_header))
+	KEEP(*(.gatt_data))
+    KEEP(*(.init))
+    KEEP(*(.fini))
+    *(.text*)
+    /* .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*)
+
+    KEEP(*(.eh_frame*))
+  } > FLASH
+
+  __etext = .;
+
+
+  .text_app_data : AT (__etext)
+  {
+    __data_start__ = .;
+    *(vtable)
+    *(.data*)
+    . = ALIGN (4);
+    *(.ram)
+
+    . = ALIGN(4);
+    /* preinit data */
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP(*(.preinit_array))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+
+    . = ALIGN(4);
+    /* init data */
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP(*(SORT(.init_array.*)))
+    KEEP(*(.init_array))
+    PROVIDE_HIDDEN (__init_array_end = .);
+
+    . = ALIGN(4);
+    /* finit data */
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP(*(SORT(.fini_array.*)))
+    KEEP(*(.fini_array))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+
+    KEEP(*(.jcr*))
+    . = ALIGN(4);
+    /* All data end */
+    __data_end__ = .;
+
+  } > RAM
+
+  .bss :
+  {
+    . = ALIGN(4);
+    __bss_start__ = .;
+    *(.bss*)
+    *(COMMON)
+    . = ALIGN(4);
+    __bss_end__ = .;
+  } > RAM
+
+  .heap (COPY):
+  {
+    __HeapBase = .;
+    __end__ = .;
+    end = __end__;
+    _end = __end__;
+    KEEP(*(.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):
+  {
+    KEEP(*(.stack*))
+  } > RAM
+  __padding = (((__etext + SIZEOF(.text_app_data) +16 +0x800-1)&0xFFFFF800)-16) - (__etext + SIZEOF(.text_app_data));
+
+  /* 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")
+
+  /* Check if FLASH usage exceeds FLASH size */
+  /*ASSERT( LENGTH(FLASH) >= (__etext + SIZEOF(.data)), "FLASH memory overflowed !")*/
+
+  /* Patch the stack */
+
+   _patch_addr = 0x63d4;
+  .patch_stack _patch_addr :
+  {
+	KEEP(*(.patch*))
+  }> FLASH
+
+}
diff --git a/app/gatt/constants b/app/gatt/constants
@@ -0,0 +1,6 @@
+service_changed_char 3
+serialnum 16
+hwrev 18
+fwrev 20
+user_char 23
+ota_trigger 26
diff --git a/app/gatt/gatt.bgproj b/app/gatt/gatt.bgproj
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<project device="bgm111">
+
+	<!-- GATT service database -->
+	<gatt in="gatt.xml" />
+
+</project>
diff --git a/app/gatt/gatt.xml b/app/gatt/gatt.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<gatt prefix="GATTDB_" out="gatt_db.c" header="gatt_db.h" generic_attribute_service="true">
+
+    <!-- Generic Access Service -->
+    <!-- https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.generic_access.xml -->
+    <service uuid="1800">
+
+        <!-- Device Name -->
+        <!-- https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.gap.device_name.xml -->
+        <characteristic uuid="2a00">
+            <properties read="true" const="true"/>
+            <value>BG_APP</value><!-- TODO:: Set value or change type to "user" and add handling for it -->
+        </characteristic>
+
+        <!-- Appearance -->
+        <!-- https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.gap.appearance.xml -->
+        <characteristic uuid="2a01">
+            <properties read="true" const="true"/>
+            <value type="hex">0000</value><!-- TODO:: Set value or change type to "user" and add handling for it -->
+        </characteristic>
+
+    </service>
+
+    <!-- Device Information Service -->
+    <service uuid="180A">
+        <!-- Manufacturer name string -->
+        <characteristic uuid="2A29">
+            <properties read="true" const="true"/>
+            <value>Your name goes here</value>
+        </characteristic>
+        <!-- Model number string -->
+        <characteristic uuid="2A24">
+            <properties read="true" const="true"/>
+            <value>1</value>
+        </characteristic>
+        <!-- Serial number string -->
+        <characteristic uuid="2A23" id="serialnum">
+            <properties read="true"/>
+            <value length="16" const="true" variable_length="true">sernum</value>
+        </characteristic>
+        <!-- Hardware revision -->
+        <characteristic uuid="2A27" id="hwrev">
+            <properties read="true" const="true"/>
+            <value>1</value>
+        </characteristic>
+        <!-- Firmware revision -->
+        <characteristic uuid="2A27" id="fwrev">
+            <properties read="true" const="true"/>
+            <value>1.0</value>
+        </characteristic>
+    </service>
+
+    <service uuid="fb323bd4-11b3-11e7-a4ff-38c98653bb53">
+        <description>User Service</description>
+        <characteristic uuid="23401001-963F-46B1-B801-0B23E8904835" id="user_char">
+            <properties read="true"/>
+            <value length="8" type="const">Value...</value>
+            <description>User char</description>
+        </characteristic>
+        <characteristic uuid="773c1007-d065-45bd-890b-d960e85e0247" id="ota_trigger">
+            <properties type="user" write="true" write_no_response="true"/>
+            <value type="user" length="4"/>
+            <description>DFU Trigger</description>
+        </characteristic>
+    </service>
+
+
+</gatt>