Initial project setup

managed_components/espressif__tinyusb/hw/bsp/da1469x/FreeRTOSConfig/FreeRTOSConfig.h

@@ -0,0 +1,150 @@
+/*
+ * FreeRTOS Kernel V10.0.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software. If you wish to use our Amazon
+ * FreeRTOS name, please do so in a fair use way that does not cause confusion.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+ * Application specific definitions.
+ *
+ * These definitions should be adjusted for your particular hardware and
+ * application requirements.
+ *
+ * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+ * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+ *
+ * See http://www.freertos.org/a00110.html.
+ *----------------------------------------------------------*/
+
+// skip if included from IAR assembler
+#ifndef __IASMARM__
+  #include "DA1469xAB.h"
+#endif
+
+/* Cortex M23/M33 port configuration. */
+#define configENABLE_MPU                        0
+#define configENABLE_FPU                        1
+#define configENABLE_TRUSTZONE                  0
+#define configMINIMAL_SECURE_STACK_SIZE         (1024)
+#define configRUN_FREERTOS_SECURE_ONLY          1
+
+#define configUSE_PREEMPTION                    1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
+#define configCPU_CLOCK_HZ                      SystemCoreClock
+#define configTICK_RATE_HZ                      ( 1000 )
+#define configMAX_PRIORITIES                    ( 5 )
+#define configMINIMAL_STACK_SIZE                ( 128 )
+#define configTOTAL_HEAP_SIZE                   ( configSUPPORT_DYNAMIC_ALLOCATION*4*1024 )
+#define configMAX_TASK_NAME_LEN                 16
+#define configUSE_16_BIT_TICKS                  0
+#define configIDLE_SHOULD_YIELD                 1
+#define configUSE_MUTEXES                       1
+#define configUSE_RECURSIVE_MUTEXES             1
+#define configUSE_COUNTING_SEMAPHORES           1
+#define configQUEUE_REGISTRY_SIZE               4
+#define configUSE_QUEUE_SETS                    0
+#define configUSE_TIME_SLICING                  0
+#define configUSE_NEWLIB_REENTRANT              0
+#define configENABLE_BACKWARD_COMPATIBILITY     1
+#define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP   0
+
+#define configSUPPORT_STATIC_ALLOCATION         1
+#define configSUPPORT_DYNAMIC_ALLOCATION        0
+
+/* Hook function related definitions. */
+#define configUSE_IDLE_HOOK                    0
+#define configUSE_TICK_HOOK                    0
+#define configUSE_MALLOC_FAILED_HOOK           0 // cause nested extern warning
+#define configCHECK_FOR_STACK_OVERFLOW         2
+#define configCHECK_HANDLER_INSTALLATION       0
+
+/* Run time and task stats gathering related definitions. */
+#define configGENERATE_RUN_TIME_STATS          0
+#define configRECORD_STACK_HIGH_ADDRESS        1
+#define configUSE_TRACE_FACILITY               1 // legacy trace
+#define configUSE_STATS_FORMATTING_FUNCTIONS   0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                  0
+#define configMAX_CO_ROUTINE_PRIORITIES        2
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                       1
+#define configTIMER_TASK_PRIORITY              (configMAX_PRIORITIES-2)
+#define configTIMER_QUEUE_LENGTH               32
+#define configTIMER_TASK_STACK_DEPTH           configMINIMAL_STACK_SIZE
+
+/* Optional functions - most linkers will remove unused functions anyway. */
+#define INCLUDE_vTaskPrioritySet               0
+#define INCLUDE_uxTaskPriorityGet              0
+#define INCLUDE_vTaskDelete                    0
+#define INCLUDE_vTaskSuspend                   1 // required for queue, semaphore, mutex to be blocked indefinitely with portMAX_DELAY
+#define INCLUDE_xResumeFromISR                 0
+#define INCLUDE_vTaskDelayUntil                1
+#define INCLUDE_vTaskDelay                     1
+#define INCLUDE_xTaskGetSchedulerState         0
+#define INCLUDE_xTaskGetCurrentTaskHandle      1
+#define INCLUDE_uxTaskGetStackHighWaterMark    0
+#define INCLUDE_xTaskGetIdleTaskHandle         0
+#define INCLUDE_xTimerGetTimerDaemonTaskHandle 0
+#define INCLUDE_pcTaskGetTaskName              0
+#define INCLUDE_eTaskGetState                  0
+#define INCLUDE_xEventGroupSetBitFromISR       0
+#define INCLUDE_xTimerPendFunctionCall         0
+
+/* FreeRTOS hooks to NVIC vectors */
+#define xPortPendSVHandler    PendSV_Handler
+#define xPortSysTickHandler   SysTick_Handler
+#define vPortSVCHandler       SVC_Handler
+
+//--------------------------------------------------------------------+
+// Interrupt nesting behavior configuration.
+//--------------------------------------------------------------------+
+
+// For Cortex-M specific: __NVIC_PRIO_BITS is defined in mcu header
+#define configPRIO_BITS       4
+
+/* The lowest interrupt priority that can be used in a call to a "set priority" function. */
+#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY			  ((1<<configPRIO_BITS) - 1)
+
+/* The highest interrupt priority that can be used by any interrupt service
+routine that makes calls to interrupt safe FreeRTOS API functions.  DO NOT CALL
+INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
+PRIORITY THAN THIS! (higher priorities are lower numeric values. */
+#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY	2
+
+/* Interrupt priorities used by the kernel port layer itself.  These are generic
+to all Cortex-M ports, and do not rely on any particular library functions. */
+#define configKERNEL_INTERRUPT_PRIORITY 		          ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
+See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY 	        ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+#endif

managed_components/espressif__tinyusb/hw/bsp/da1469x/boards/da14695_dk_usb/board.cmake

@@ -0,0 +1,4 @@
+set(JLINK_DEVICE DA14695)
+
+function(update_board TARGET)
+endfunction()

managed_components/espressif__tinyusb/hw/bsp/da1469x/boards/da14695_dk_usb/board.h

@@ -0,0 +1,15 @@
+/* metadata:
+   name: DA14695-00HQDEVKT-U
+   url: https://www.renesas.com/en/products/wireless-connectivity/bluetooth-low-energy/da14695-00hqdevkt-u-smartbond-da14695-bluetooth-low-energy-52-usb-development-kit
+*/
+
+#ifndef BOARD_H
+#define BOARD_H
+
+#define LED_PIN         33 // P1.1
+#define LED_STATE_ON    1
+
+#define BUTTON_PIN      6
+#define BUTTON_STATE_ACTIVE 1
+
+#endif

managed_components/espressif__tinyusb/hw/bsp/da1469x/boards/da14695_dk_usb/board.mk

@@ -0,0 +1 @@
+JLINK_DEVICE = DA14695

managed_components/espressif__tinyusb/hw/bsp/da1469x/boards/da14695_dk_usb/syscfg/syscfg.h

@@ -0,0 +1,34 @@
+/**
+ * This file was generated by Apache newt version: 1.9.0-dev
+ */
+
+#ifndef H_MYNEWT_SYSCFG_
+#define H_MYNEWT_SYSCFG_
+
+/**
+ * This macro exists to ensure code includes this header when needed.  If code
+ * checks the existence of a setting directly via ifdef without including this
+ * header, the setting macro will silently evaluate to 0.  In contrast, an
+ * attempt to use these macros without including this header will result in a
+ * compiler error.
+ */
+#define MYNEWT_VAL(_name)                       MYNEWT_VAL_ ## _name
+#define MYNEWT_VAL_CHOICE(_name, _val)          MYNEWT_VAL_ ## _name ## __ ## _val
+
+#ifndef MYNEWT_VAL_RAM_RESIDENT
+#define MYNEWT_VAL_RAM_RESIDENT (0)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_GPIO_MAX_IRQ
+#define MYNEWT_VAL_MCU_GPIO_MAX_IRQ (4)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_GPIO_RETAINABLE_NUM
+#define MYNEWT_VAL_MCU_GPIO_RETAINABLE_NUM (-1)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_CLOCK_XTAL32M_SETTLE_TIME_US
+#define MYNEWT_VAL_MCU_CLOCK_XTAL32M_SETTLE_TIME_US (2000)
+#endif
+
+#endif

managed_components/espressif__tinyusb/hw/bsp/da1469x/boards/da1469x_dk_pro/board.cmake

@@ -0,0 +1,4 @@
+set(JLINK_DEVICE DA14699)
+
+function(update_board TARGET)
+endfunction()

managed_components/espressif__tinyusb/hw/bsp/da1469x/boards/da1469x_dk_pro/board.h

@@ -0,0 +1,17 @@
+/* metadata:
+   name: DA1469x Development Kit Pro
+   url: https://lpccs-docs.renesas.com/um-b-090-da1469x_getting_started/DA1469x_The_hardware/DA1469x_The_hardware.html
+*/
+
+#ifndef BOARD_H
+#define BOARD_H
+
+#define LED_PIN         33
+#define LED_STATE_ON    1
+
+#define BUTTON_PIN      6
+#define BUTTON_STATE_ACTIVE 0
+
+#define NEED_VBUS_MONITOR
+
+#endif

managed_components/espressif__tinyusb/hw/bsp/da1469x/boards/da1469x_dk_pro/board.mk

@@ -0,0 +1,2 @@
+# For flash-jlink target
+JLINK_DEVICE = DA14699

managed_components/espressif__tinyusb/hw/bsp/da1469x/boards/da1469x_dk_pro/syscfg/syscfg.h

@@ -0,0 +1,34 @@
+/**
+ * This file was generated by Apache newt version: 1.9.0-dev
+ */
+
+#ifndef H_MYNEWT_SYSCFG_
+#define H_MYNEWT_SYSCFG_
+
+/**
+ * This macro exists to ensure code includes this header when needed.  If code
+ * checks the existence of a setting directly via ifdef without including this
+ * header, the setting macro will silently evaluate to 0.  In contrast, an
+ * attempt to use these macros without including this header will result in a
+ * compiler error.
+ */
+#define MYNEWT_VAL(_name)                       MYNEWT_VAL_ ## _name
+#define MYNEWT_VAL_CHOICE(_name, _val)          MYNEWT_VAL_ ## _name ## __ ## _val
+
+#ifndef MYNEWT_VAL_RAM_RESIDENT
+#define MYNEWT_VAL_RAM_RESIDENT (0)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_GPIO_MAX_IRQ
+#define MYNEWT_VAL_MCU_GPIO_MAX_IRQ (4)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_GPIO_RETAINABLE_NUM
+#define MYNEWT_VAL_MCU_GPIO_RETAINABLE_NUM (-1)
+#endif
+
+#ifndef MYNEWT_VAL_MCU_CLOCK_XTAL32M_SETTLE_TIME_US
+#define MYNEWT_VAL_MCU_CLOCK_XTAL32M_SETTLE_TIME_US (2000)
+#endif
+
+#endif

managed_components/espressif__tinyusb/hw/bsp/da1469x/family.c

@@ -0,0 +1,146 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Jerzy Kasenberg
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+/* metadata:
+   manufacturer: Renesas
+*/
+
+#include "bsp/board_api.h"
+#include "board.h"
+#include <hal/hal_gpio.h>
+#include <mcu/mcu.h>
+
+#define LED_STATE_OFF   (1-LED_STATE_ON)
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB_IRQHandler(void) {
+  tud_int_handler(0);
+}
+
+// DA146xx driver function that must be called whenever VBUS changes.
+extern void tusb_vbus_changed(bool present);
+
+#if defined(NEED_VBUS_MONITOR) && CFG_TUD_ENABLED
+// VBUS change interrupt handler
+void VBUS_IRQHandler(void) {
+  bool present = (CRG_TOP->ANA_STATUS_REG & CRG_TOP_ANA_STATUS_REG_VBUS_AVAILABLE_Msk) != 0;
+  // Clear VBUS interrupt
+  CRG_TOP->VBUS_IRQ_CLEAR_REG = 1;
+
+  tusb_vbus_changed(present);
+}
+#endif
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+void UnhandledIRQ(void) {
+  CRG_TOP->SYS_CTRL_REG = 0x80;
+  __BKPT(1);
+  while (1);
+}
+
+void board_init(void) {
+  // LED
+  hal_gpio_init_out(LED_PIN, LED_STATE_ON);
+
+  hal_gpio_init_out(1, 0);
+  hal_gpio_init_out(2, 0);
+  hal_gpio_init_out(3, 0);
+  hal_gpio_init_out(4, 0);
+  hal_gpio_init_out(5, 0);
+
+  // Button
+  hal_gpio_init_in(BUTTON_PIN, BUTTON_STATE_ACTIVE ? HAL_GPIO_PULL_DOWN : HAL_GPIO_PULL_UP);
+
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+
+#if CFG_TUD_ENABLED
+  #ifdef NEED_VBUS_MONITOR
+  // Setup interrupt for both connect and disconnect
+  CRG_TOP->VBUS_IRQ_MASK_REG = CRG_TOP_VBUS_IRQ_MASK_REG_VBUS_IRQ_EN_FALL_Msk |
+                               CRG_TOP_VBUS_IRQ_MASK_REG_VBUS_IRQ_EN_RISE_Msk;
+  NVIC_SetPriority(VBUS_IRQn, 2);
+  // Trigger interrupt at the start to inform driver about VBUS state at start
+  // otherwise it could go unnoticed.
+  NVIC_SetPendingIRQ(VBUS_IRQn);
+  NVIC_EnableIRQ(VBUS_IRQn);
+  #else
+  // This board is USB powered there is no need to monitor VBUS line.  Notify driver that VBUS is present.
+  tusb_vbus_changed(true);
+  #endif
+
+  /* Setup USB IRQ */
+  NVIC_SetPriority(USB_IRQn, 2);
+  NVIC_EnableIRQ(USB_IRQn);
+
+  /* Use PLL96 / 2 clock not HCLK */
+  CRG_TOP->CLK_CTRL_REG &= ~CRG_TOP_CLK_CTRL_REG_USB_CLK_SRC_Msk;
+
+  mcu_gpio_set_pin_function(14, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
+  mcu_gpio_set_pin_function(15, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
+#endif
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state) {
+  hal_gpio_write(LED_PIN, state ? LED_STATE_ON : LED_STATE_OFF);
+}
+
+uint32_t board_button_read(void) {
+  return BUTTON_STATE_ACTIVE == hal_gpio_read(BUTTON_PIN);
+}
+
+int board_uart_read(uint8_t* buf, int len) {
+  (void) buf;
+  (void) len;
+  return 0;
+}
+
+int board_uart_write(void const* buf, int len) {
+  (void) buf;
+  (void) len;
+
+  return 0;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+
+void SysTick_Handler(void) {
+  system_ticks++;
+}
+
+uint32_t board_millis(void) {
+  return system_ticks;
+}
+#endif

managed_components/espressif__tinyusb/hw/bsp/da1469x/family.cmake

@@ -0,0 +1,140 @@
+include_guard()
+
+set(MCU_DIR ${TOP}/hw/mcu/dialog/da1469x)
+
+# include board specific
+include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
+
+set(CMAKE_SYSTEM_CPU cortex-m33-nodsp CACHE INTERNAL "System Processor")
+set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/arm_${TOOLCHAIN}.cmake)
+set(FAMILY_MCUS DA1469X CACHE INTERNAL "")
+
+#------------------------------------
+# BOARD_TARGET
+#------------------------------------
+# only need to be built ONCE for all examples
+function(add_board_target BOARD_TARGET)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()
+
+  if (NOT DEFINED LD_FILE_GNU)
+    set(LD_FILE_GNU ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/linker/da1469x.ld)
+  endif ()
+
+  if (NOT DEFINED STARTUP_FILE_${CMAKE_C_COMPILER_ID})
+    set(STARTUP_FILE_GNU ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/gcc_startup_da1469x.S)
+    set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  endif ()
+
+  add_library(${BOARD_TARGET} STATIC
+    ${MCU_DIR}/src/system_da1469x.c
+    ${MCU_DIR}/src/da1469x_clock.c
+    ${MCU_DIR}/src/hal_gpio.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_compile_options(${BOARD_TARGET} PUBLIC -mthumb-interwork)
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    CORE_M33
+    CFG_TUD_ENDPOINT0_SIZE=8
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
+    ${MCU_DIR}/include
+    ${MCU_DIR}/SDK_10.0.8.105/sdk/bsp/include
+    )
+
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -L${NRFX_DIR}/mdk
+      --specs=nosys.specs --specs=nano.specs
+      -nostartfiles
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -L${NRFX_DIR}/mdk
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
+  endif ()
+endfunction()
+
+
+#------------------------------------
+# Functions
+#------------------------------------
+
+function(family_flash_jlink_dialog TARGET)
+  set(JLINKEXE JLinkExe)
+  set(JLINK_IF swd)
+
+  # mkimage from sdk
+  set(MKIMAGE $ENV{HOME}/code/tinyusb-mcu-driver/dialog/SDK_10.0.8.105/binaries/mkimage)
+
+  file(GENERATE OUTPUT $<TARGET_FILE_DIR:${TARGET}>/version.h
+    CONTENT "#define SW_VERSION \"v_1.0.0.1\"
+#define SW_VERSION_DATE \"2024-07-17 17:55\""
+    )
+
+  file(GENERATE OUTPUT $<TARGET_FILE_DIR:${TARGET}>/${TARGET}.jlink
+    CONTENT "r
+halt
+loadfile $<TARGET_FILE_DIR:${TARGET}>/${TARGET}-image.bin 0x16000000
+r
+go
+exit"
+  )
+
+  add_custom_target(${TARGET}-image
+    DEPENDS ${TARGET}
+    COMMAND ${MKIMAGE} da1469x $<TARGET_FILE_DIR:${TARGET}>/${TARGET}.bin $<TARGET_FILE_DIR:${TARGET}>/version.h $<TARGET_FILE_DIR:${TARGET}>/${TARGET}.bin.img
+    COMMAND cp ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/product_header.dump $<TARGET_FILE_DIR:${TARGET}>/${TARGET}-image.bin
+    COMMAND cat $<TARGET_FILE_DIR:${TARGET}>/${TARGET}.bin.img >> $<TARGET_FILE_DIR:${TARGET}>/${TARGET}-image.bin
+    )
+  add_custom_target(${TARGET}-jlink
+    DEPENDS ${TARGET}-image
+    COMMAND ${JLINKEXE} -device ${JLINK_DEVICE} -if ${JLINK_IF} -JTAGConf -1,-1 -speed auto -CommandFile $<TARGET_FILE_DIR:${TARGET}>/${TARGET}.jlink
+    )
+endfunction()
+
+
+function(family_configure_example TARGET RTOS)
+  family_configure_common(${TARGET} ${RTOS})
+
+  # Board target
+  add_board_target(board_${BOARD})
+
+  #---------- Port Specific ----------
+  # These files are built for each example since it depends on example's tusb_config.h
+  target_sources(${TARGET} PUBLIC
+    # BSP
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
+    )
+  target_include_directories(${TARGET} PUBLIC
+    # family, hw, board
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
+    )
+
+  # Add TinyUSB target and port source
+  family_add_tinyusb(${TARGET} OPT_MCU_DA1469X)
+  target_sources(${TARGET} PUBLIC
+    ${TOP}/src/portable/dialog/da146xx/dcd_da146xx.c
+    )
+  target_link_libraries(${TARGET} PUBLIC board_${BOARD})
+
+
+
+  # Flashing
+  family_add_bin_hex(${TARGET})
+  family_flash_jlink_dialog(${TARGET})
+endfunction()

managed_components/espressif__tinyusb/hw/bsp/da1469x/family.mk

@@ -0,0 +1,62 @@
+MCU_DIR = hw/mcu/dialog/da1469x
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mthumb-interwork \
+  -mabi=aapcs \
+  -mcpu=cortex-m33+nodsp \
+  -mfloat-abi=hard \
+  -mfpu=fpv5-sp-d16 \
+  -DCORE_M33 \
+  -DCFG_TUSB_MCU=OPT_MCU_DA1469X \
+  -DCFG_TUD_ENDPOINT0_SIZE=8\
+
+LDFLAGS_GCC += \
+  -nostdlib \
+  --specs=nosys.specs --specs=nano.specs
+
+# All source paths should be relative to the top level.
+LD_FILE = $(FAMILY_PATH)/linker/da1469x.ld
+
+# While this is for da1469x chip, there is chance that da1468x chip family will also work
+SRC_C += \
+	src/portable/dialog/da146xx/dcd_da146xx.c \
+	${MCU_DIR}/src/system_da1469x.c \
+	${MCU_DIR}/src/da1469x_clock.c \
+	${MCU_DIR}/src/hal_gpio.c \
+
+SRC_S += $(FAMILY_PATH)/gcc_startup_da1469x.S
+
+INC += \
+	$(TOP)/$(BOARD_PATH) \
+	$(TOP)/${MCU_DIR}/include \
+	$(TOP)/${MCU_DIR}/SDK_10.0.8.105/sdk/bsp/include
+
+# For freeRTOS port source
+FREERTOS_PORTABLE_SRC = $(FREERTOS_PORTABLE_PATH)/ARM_CM33_NTZ/non_secure
+
+# flash using jlink but with some twists
+flash: flash-dialog
+
+# SDK_BINARY_PATH is the path to the SDK binary files
+SDK_BINARY_PATH = $(HOME)/code/tinyusb-mcu-driver/dialog/SDK_10.0.8.105/binaries
+MKIMAGE = $(SDK_BINARY_PATH)/mkimage
+
+$(BUILD)/$(PROJECT)-image.bin: $(BUILD)/$(PROJECT).bin
+	@echo '#define SW_VERSION "v_1.0.0.1"' >$(BUILD)/version.h
+	@echo '#define SW_VERSION_DATE "'`date +"%Y-%m-%d %H:%M"`'"' >> $(BUILD)/version.h
+	$(MKIMAGE) da1469x $^ $(BUILD)/version.h $^.img
+	cp $(TOP)/$(FAMILY_PATH)/product_header.dump $(BUILD)/$(PROJECT)-image.bin
+	cat $^.img >> $(BUILD)/$(PROJECT)-image.bin
+
+flash-dialog: $(BUILD)/$(PROJECT)-image.bin
+	@echo r > $(BUILD)/$(BOARD).jlink
+	@echo halt >> $(BUILD)/$(BOARD).jlink
+	@echo loadfile $^ 0x16000000 >> $(BUILD)/$(BOARD).jlink
+	@echo r >> $(BUILD)/$(BOARD).jlink
+	@echo go >> $(BUILD)/$(BOARD).jlink
+	@echo exit >> $(BUILD)/$(BOARD).jlink
+	$(JLINKEXE) -device $(JLINK_DEVICE) -if $(JLINK_IF) -JTAGConf -1,-1 -speed auto -CommandFile $(BUILD)/$(BOARD).jlink

managed_components/espressif__tinyusb/hw/bsp/da1469x/gcc_startup_da1469x.S

@@ -0,0 +1,301 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+ #include "syscfg/syscfg.h"
+
+    .syntax unified
+    .arch   armv7-m
+
+    .section .stack
+    .align  3
+#ifdef __STACK_SIZE
+    .equ    Stack_Size, __STACK_SIZE
+#else
+    .equ    Stack_Size, 0xC00
+#endif
+    .equ    SYS_CTRL_REG,       0x50000024
+    .equ    CACHE_FLASH_REG,    0x100C0040
+    .equ    RESET_STAT_REG,     0x500000BC
+
+    .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, 0
+#endif
+    .globl  __HeapBase
+    .globl  __HeapLimit
+__HeapBase:
+    .if     Heap_Size
+    .space  Heap_Size
+    .endif
+    .size   __HeapBase, . - __HeapBase
+__HeapLimit:
+    .size   __HeapLimit, . - __HeapLimit
+
+    .section .isr_vector
+    .align 2
+    .globl  __isr_vector
+__isr_vector:
+    .long   __StackTop
+    .long   Reset_Handler
+    /* Cortex-M33 interrupts */
+    .long   NMI_Handler
+    .long   HardFault_Handler
+    .long   MemoryManagement_Handler
+    .long   BusFault_Handler
+    .long   UsageFault_Handler
+    .long   SecureFault_Handler
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .long   SVC_Handler
+    .long   DebugMonitor_Handler
+    .long   0                       /* Reserved */
+    .long   PendSV_Handler
+    .long   SysTick_Handler
+    /* DA1469x interrupts */
+    .long   SENSOR_NODE_IRQHandler
+    .long   DMA_IRQHandler
+    .long   CHARGER_STATE_IRQHandler
+    .long   CHARGER_ERROR_IRQHandler
+    .long   CMAC2SYS_IRQHandler
+    .long   UART_IRQHandler
+    .long   UART2_IRQHandler
+    .long   UART3_IRQHandler
+    .long   I2C_IRQHandler
+    .long   I2C2_IRQHandler
+    .long   SPI_IRQHandler
+    .long   SPI2_IRQHandler
+    .long   PCM_IRQHandler
+    .long   SRC_IN_IRQHandler
+    .long   SRC_OUT_IRQHandler
+    .long   USB_IRQHandler
+    .long   TIMER_IRQHandler
+    .long   TIMER2_IRQHandler
+    .long   RTC_IRQHandler
+    .long   KEY_WKUP_GPIO_IRQHandler
+    .long   PDC_IRQHandler
+    .long   VBUS_IRQHandler
+    .long   MRM_IRQHandler
+    .long   MOTOR_CONTROLLER_IRQHandler
+    .long   TRNG_IRQHandler
+    .long   DCDC_IRQHandler
+    .long   XTAL32M_RDY_IRQHandler
+    .long   ADC_IRQHandler
+    .long   ADC2_IRQHandler
+    .long   CRYPTO_IRQHandler
+    .long   CAPTIMER1_IRQHandler
+    .long   RFDIAG_IRQHandler
+    .long   LCD_CONTROLLER_IRQHandler
+    .long   PLL_LOCK_IRQHandler
+    .long   TIMER3_IRQHandler
+    .long   TIMER4_IRQHandler
+    .long   LRA_IRQHandler
+    .long   RTC_EVENT_IRQHandler
+    .long   GPIO_P0_IRQHandler
+    .long   GPIO_P1_IRQHandler
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .long   0                       /* Reserved */
+    .size   __isr_vector, . - __isr_vector
+
+    .text
+    .thumb
+    .thumb_func
+    .align 2
+    .globl Reset_Handler
+    .type  Reset_Handler, %function
+Reset_Handler:
+ /* Make sure interrupt vector is remapped at 0x0 */
+    ldr     r1, =SYS_CTRL_REG
+    ldrh    r2, [r1, #0]
+    orrs    r2, r2, #8
+    strh    r2, [r1, #0]
+
+#if !MYNEWT_VAL(RAM_RESIDENT)
+/*
+ * Flash is remapped at 0x0 with an offset, i.e. 0x0 does not correspond to
+ * 0x16000000 but to start of an image on flash. This is calculated from product
+ * header by 1st state bootloader and configured in CACHE_FLASH_REG. We need to
+ * retrieve proper offset value for calculations later.
+ */
+    ldr     r1, =CACHE_FLASH_REG
+    ldr     r4, [r1, #0]
+    mov     r2, r4
+    mov     r3, #0xFFFF
+    bic     r4, r4, r3      /* CACHE_FLASH_REG[FLASH_REGION_BASE] */
+    mov     r3, #0xFFF0
+    and     r2, r2, r3      /* CACHE_FLASH_REG[FLASH_REGION_OFFSET] */
+    lsr     r2, r2, #2
+    orr     r4, r4, r2
+
+/* Copy ISR vector from flash to RAM */
+    ldr     r1, =__isr_vector_start     /* src ptr */
+    ldr     r2, =__isr_vector_end       /* src end */
+    ldr     r3, =__intvect_start__      /* dst ptr */
+/* Make sure we copy from QSPIC address range, not from remapped range */
+    cmp     r1, r4
+    itt     lt
+    addlt   r1, r1, r4
+    addlt   r2, r2, r4
+.loop_isr_copy:
+    cmp     r1, r2
+    ittt    lt
+    ldrlt   r0, [r1], #4
+    strlt   r0, [r3], #4
+    blt     .loop_isr_copy
+
+/* Copy QSPI code from flash to RAM */
+    ldr     r1, =__text_ram_addr        /* src ptr */
+    ldr     r2, =__text_ram_start__     /* ptr */
+    ldr     r3, =__text_ram_end__       /* dst end */
+.loop_code_text_ram_copy:
+    cmp     r2, r3
+    ittt    lt
+    ldrlt   r0, [r1], #4
+    strlt   r0, [r2], #4
+    blt     .loop_code_text_ram_copy
+
+/* Copy data from flash to RAM */
+    ldr     r1, =__etext                /* src ptr */
+    ldr     r2, =__data_start__         /* dst ptr */
+    ldr     r3, =__data_end__           /* dst end */
+.loop_data_copy:
+    cmp     r2, r3
+    ittt    lt
+    ldrlt   r0, [r1], #4
+    strlt   r0, [r2], #4
+    blt     .loop_data_copy
+#endif
+
+/* Clear BSS */
+    movs    r0, 0
+    ldr     r1, =__bss_start__
+    ldr     r2, =__bss_end__
+.loop_bss_clear:
+    cmp     r1, r2
+    itt     lt
+    strlt   r0, [r1], #4
+    blt     .loop_bss_clear
+
+    ldr     r0, =__HeapBase
+    ldr     r1, =__HeapLimit
+/* Call static constructors */
+    bl __libc_init_array
+
+    bl      SystemInit
+    bl      main
+
+    .pool
+    .size   Reset_Handler, . - Reset_Handler
+
+/* Default interrupt handler */
+    .type   Default_Handler, %function
+Default_Handler:
+    ldr     r1, =SYS_CTRL_REG
+    ldrh    r2, [r1, #0]
+    orrs    r2, r2, #0x80   /* DEBUGGER_ENABLE */
+    strh    r2, [r1, #0]
+    b       .
+
+    .size   Default_Handler, . - Default_Handler
+
+/* Default handlers for all interrupts */
+    .macro  IRQ handler
+    .weak   \handler
+    .set    \handler, Default_Handler
+    .endm
+
+    /* Cortex-M33 interrupts */
+    IRQ  NMI_Handler
+    IRQ  HardFault_Handler
+    IRQ  MemoryManagement_Handler
+    IRQ  BusFault_Handler
+    IRQ  UsageFault_Handler
+    IRQ  SecureFault_Handler
+    IRQ  SVC_Handler
+    IRQ  DebugMonitor_Handler
+    IRQ  PendSV_Handler
+    IRQ  SysTick_Handler
+    /* DA1469x interrupts */
+    IRQ  SENSOR_NODE_IRQHandler
+    IRQ  DMA_IRQHandler
+    IRQ  CHARGER_STATE_IRQHandler
+    IRQ  CHARGER_ERROR_IRQHandler
+    IRQ  CMAC2SYS_IRQHandler
+    IRQ  UART_IRQHandler
+    IRQ  UART2_IRQHandler
+    IRQ  UART3_IRQHandler
+    IRQ  I2C_IRQHandler
+    IRQ  I2C2_IRQHandler
+    IRQ  SPI_IRQHandler
+    IRQ  SPI2_IRQHandler
+    IRQ  PCM_IRQHandler
+    IRQ  SRC_IN_IRQHandler
+    IRQ  SRC_OUT_IRQHandler
+    IRQ  USB_IRQHandler
+    IRQ  TIMER_IRQHandler
+    IRQ  TIMER2_IRQHandler
+    IRQ  RTC_IRQHandler
+    IRQ  KEY_WKUP_GPIO_IRQHandler
+    IRQ  PDC_IRQHandler
+    IRQ  VBUS_IRQHandler
+    IRQ  MRM_IRQHandler
+    IRQ  MOTOR_CONTROLLER_IRQHandler
+    IRQ  TRNG_IRQHandler
+    IRQ  DCDC_IRQHandler
+    IRQ  XTAL32M_RDY_IRQHandler
+    IRQ  ADC_IRQHandler
+    IRQ  ADC2_IRQHandler
+    IRQ  CRYPTO_IRQHandler
+    IRQ  CAPTIMER1_IRQHandler
+    IRQ  RFDIAG_IRQHandler
+    IRQ  LCD_CONTROLLER_IRQHandler
+    IRQ  PLL_LOCK_IRQHandler
+    IRQ  TIMER3_IRQHandler
+    IRQ  TIMER4_IRQHandler
+    IRQ  LRA_IRQHandler
+    IRQ  RTC_EVENT_IRQHandler
+    IRQ  GPIO_P0_IRQHandler
+    IRQ  GPIO_P1_IRQHandler
+    IRQ  RESERVED40_IRQHandler
+    IRQ  RESERVED41_IRQHandler
+    IRQ  RESERVED42_IRQHandler
+    IRQ  RESERVED43_IRQHandler
+    IRQ  RESERVED44_IRQHandler
+    IRQ  RESERVED45_IRQHandler
+    IRQ  RESERVED46_IRQHandler
+    IRQ  RESERVED47_IRQHandler
+
+.end

managed_components/espressif__tinyusb/hw/bsp/da1469x/linker/da1469x.ld

@@ -0,0 +1,244 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+MEMORY
+{
+    /*
+     * Flash is remapped at 0x0 by 1st stage bootloader, but this is done with
+     * an offset derived from image header thus it is safer to use remapped
+     * address space at 0x0 instead of QSPI_M address space at 0x16000000.
+     * Bootloader partition is 32K, but 9K is currently reserved for product
+     * header (8K) and image header (1K).
+     * First 512 bytes of SYSRAM are remapped at 0x0 and used as ISR vector
+     * (there's no need to reallocate ISR vector) and thus cannot be used by
+     * application.
+     */
+
+    FLASH (r)  : ORIGIN = (0x00000000), LENGTH = (1024 * 1024)
+    RAM (rw)   : ORIGIN = (0x20000000), LENGTH = (512 * 1024)
+}
+
+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__
+ *   __HeapBase
+ *   __HeapLimit
+ *   __StackLimit
+ *   __StackTop
+ *   __stack
+ *   __bssnz_start__
+ *   __bssnz_end__
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+    __text = .;
+
+    .text :
+    {
+        __isr_vector_start = .;
+        KEEP(*(.isr_vector))
+        /* ISR vector shall have exactly 512 bytes */
+        . = __isr_vector_start + 0x200;
+        __isr_vector_end = .;
+
+        *(.text)
+        *(.text.*)
+
+        *(.libcmac.rom)
+
+        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*)
+        . = ALIGN(4);
+    } > FLASH
+
+    .ARM.extab :
+    {
+        *(.ARM.extab* .gnu.linkonce.armextab.*)
+        . = ALIGN(4);
+    } > FLASH
+
+    __exidx_start = .;
+    .ARM :
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+        . = ALIGN(4);
+    } > FLASH
+    __exidx_end = .;
+
+    .intvect :
+    {
+        . = ALIGN(4);
+        __intvect_start__ = .;
+        . = . + (__isr_vector_end - __isr_vector_start);
+        . = ALIGN(4);
+    } > RAM
+
+    .sleep_state (NOLOAD) :
+    {
+        . = ALIGN(4);
+        *(sleep_state)
+    } > RAM
+
+    /* This section will be zeroed by RTT package init */
+    .rtt (NOLOAD):
+    {
+        . = ALIGN(4);
+        *(.rtt)
+        . = ALIGN(4);
+    } > RAM
+
+    __text_ram_addr = LOADADDR(.text_ram);
+
+    .text_ram :
+    {
+        . = ALIGN(4);
+        __text_ram_start__ = .;
+        *(.text_ram*)
+        . = ALIGN(4);
+        __text_ram_end__ = .;
+    } > RAM AT > FLASH
+
+    __etext = LOADADDR(.data);
+
+    .data :
+    {
+        __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 AT > FLASH
+
+    .bssnz :
+    {
+        . = ALIGN(4);
+        __bssnz_start__ = .;
+        *(.bss.core.nz*)
+        . = ALIGN(4);
+        __bssnz_end__ = .;
+    } > RAM
+
+    .bss :
+    {
+        . = ALIGN(4);
+        __bss_start__ = .;
+        *(.bss*)
+        *(COMMON)
+        . = ALIGN(4);
+        __bss_end__ = .;
+    } > RAM
+
+    .cmac (NOLOAD) :
+    {
+        . = ALIGN(0x400);
+        *(.libcmac.ram)
+    } > RAM
+
+    /* Heap starts after BSS */
+    . = ALIGN(8);
+    __HeapBase = .;
+
+    /* .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
+
+    _ram_start = ORIGIN(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);
+
+    /* Top of head is the bottom of the stack */
+    __HeapLimit = __StackLimit;
+    end = __HeapLimit;
+
+    /* Check if data + heap + stack exceeds RAM limit */
+    ASSERT(__HeapBase <= __HeapLimit, "region RAM overflowed with stack")
+
+    /* Check that intvect is at the beginning of RAM */
+    ASSERT(__intvect_start__ == ORIGIN(RAM), "intvect is not at beginning of RAM")
+}