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@@ -1,21 +1,25 @@
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### About
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This folder contains files to run JerryScript on
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[STM32F4-Discovery board](http://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-eval-tools/stm32-mcu-eval-tools/stm32-mcu-discovery-kits/stm32f4discovery.html) with [NuttX](http://nuttx.org/)
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[STM32F4-Discovery board](https://www.st.com/en/evaluation-tools/stm32f4discovery.html) with
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[NuttX](https://nuttx.apache.org/).
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The document had been validated on Ubuntu 20.04 operating system.
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### How to build
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#### 1. Setup the build environment for STM32F4-Discovery board
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Clone the necessary projects into a `jerry-nuttx` directory. The last tested working version of NuttX is 9.0.
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Clone the necessary projects into a `jerry-nuttx` directory.
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The latest tested working version of NuttX is 10.2.
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```sh
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# Create a base folder for all the projects.
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mkdir jerry-nuttx && cd jerry-nuttx
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git clone https://github.com/jerryscript-project/jerryscript.git
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git clone https://bitbucket.org/nuttx/nuttx.git -b releases/9.0
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git clone https://bitbucket.org/nuttx/apps.git -b releases/9.0
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git clone https://github.com/apache/incubator-nuttx.git nuttx -b releases/10.2
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git clone https://github.com/apache/incubator-nuttx-apps.git apps -b releases/10.2
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git clone https://bitbucket.org/nuttx/tools.git tools
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git clone https://github.com/texane/stlink.git -b v1.5.1-patch
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```
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@@ -23,35 +27,38 @@ The following directory structure is created after these commands:
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```
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jerry-nuttx
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+ apps
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+ jerryscript
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+ nuttx
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+ apps
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+ tools
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+ stlink
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```
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#### 2. Build JerryScript for NuttX
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Build JerryScript as a static library using the NuttX folder as sysroot. The created static libraries will be used later by NuttX.
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#### 2. Install dependencies of the projects
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```sh
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# Assuming you are in jerry-nuttx folder.
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jerryscript/tools/build.py \
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--clean \
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--lto=OFF \
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--jerry-cmdline=OFF \
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--jerry-math=ON \
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--amalgam=ON \
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--mem-heap=70 \
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--profile=es.next \
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--compile-flag="--sysroot=${PWD}/nuttx" \
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--toolchain=${PWD}/jerryscript/cmake/toolchain_mcu_stm32f4.cmake
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jerryscript/tools/apt-get-install-deps.sh
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# Toolchain dependencies of NuttX.
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sudo apt install gcc-arm-none-eabi binutils-arm-none-eabi
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# Tool dependencies of NuttX.
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sudo apt install \
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bison flex gettext texinfo libncurses5-dev libncursesw5-dev \
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gperf automake libtool pkg-config build-essential gperf genromfs \
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libgmp-dev libmpc-dev libmpfr-dev libisl-dev binutils-dev libelf-dev \
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libexpat-dev gcc-multilib g++-multilib picocom u-boot-tools util-linux
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# ST-Link and serial communication dependencies.
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sudo apt install libusb-1.0-0-dev minicom
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```
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#### 3. Copy JerryScript's application files to NuttX
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After creating the static libs (see previous step), it is needed to move the JerryScript application files to the NuttX's interpreter path.
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Move JerryScript application files to `apps/interpreters/jerryscript` folder.
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```sh
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# Assuming you are in jerry-nuttx folder.
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@@ -62,47 +69,13 @@ cp jerryscript/targets/nuttx-stm32f4/* apps/interpreters/jerryscript/
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# ln -s jerryscript/targets/nuttx-stm32f4 apps/interpreters/jerryscript
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```
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#### 4. Configure NuttX
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#### 4. Build kconfig-frontend to configure NuttX
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NuttX requires configuration first. The configuration creates a `.config` file in the root folder of NuttX that has all the necessary options for the build.
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Skip this section if `kconfig-frontends` had alrady been installed by package manager.
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```sh
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# Assuming you are in jerry-nuttx folder.
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cd nuttx/tools
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# Configure NuttX to use USB console shell.
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./configure.sh stm32f4discovery/usbnsh
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```
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By default, JerryScript is not enabled, so it is needed to modify the configuration file.
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##### 4.1 Enable JerryScript without user interaction
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```sh
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# Assuming you are in jerry-nuttx folder.
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sed --in-place "s/CONFIG_HOST_WINDOWS/# CONFIG_HOST_WINDOWS/g" nuttx/.config
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sed --in-place "s/CONFIG_WINDOWS_CYGWIN/# CONFIG_WINDOWS_CYGWIN/g" nuttx/.config
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sed --in-place "s/CONFIG_TOOLCHAIN_WINDOWS/# CONFIG_TOOLCHAIN_WINDOWS/g" nuttx/.config
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cat >> nuttx/.config << EOL
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CONFIG_HOST_LINUX=y
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CONFIG_ARCH_FPU=y
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CONFIG_JERRYSCRIPT=y
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CONFIG_JERRYSCRIPT_PRIORITY=100
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CONFIG_JERRYSCRIPT_STACKSIZE=16384
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EOL
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```
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##### 4.2 Enable JerryScript using kconfig-frontend
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`kconfig-frontend` could be useful if there are another options that should be enabled or disabled in NuttX.
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###### 4.2.1 Install kconfig-frontend
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```sh
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# Assuming you are in jerry-nuttx folder.
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git clone https://bitbucket.org/nuttx/tools.git nuttx-tools
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cd nuttx-tools/kconfig-frontends
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cd tools/kconfig-frontends
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./configure \
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--disable-nconf \
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@@ -113,33 +86,160 @@ cd nuttx-tools/kconfig-frontends
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--prefix=${PWD}/install
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make
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sudo make install
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# Add the install folder to PATH
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PATH=$PATH:${PWD}/install/bin
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make install
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# Add install folder to PATH
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PATH=${PWD}/install/bin:$PATH
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```
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###### 4.2.2 Enable JerryScript
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#### 5. Configure NuttX
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Configure NuttX for serial communication. A `.config` file contains all the options for the build.
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```sh
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# Assuming you are in jerry-nuttx folder.
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cd nuttx/tools
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# Configure NuttX to use USB console shell.
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./configure.sh stm32f4discovery:usbnsh
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```
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By default, JerryScript is disabled so it is needed to modify the configuration file. It can
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be done by using menuconfig (section 5.1) or modifying the `.config` file directly (section 5.2).
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##### 5.1 Enable JerryScript using menuconfig
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```sh
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# Assuming you are in jerry-nuttx folder.
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# Might be required to run `make menuconfig` twice.
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make -C nuttx menuconfig
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```
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* Change `Build Setup -> Build Host Platform` to Linux
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* Enable `System Type -> FPU support`
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* Enable JerryScript `Application Configuration -> Interpreters -> JerryScript`
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* Enable `Application Configuration -> Interpreters -> JerryScript`
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#### 5. Build NuttX
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[Optional] Enabling ROMFS helps to flash JavaScript input files to the device's flash memory.
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* Enable `File systems -> ROMFS file system`
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* Enable `Application configuration -> NSH library -> Scripting Support -> Support ROMFS start-up script`
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[Optional] Enabling MMCSD helps to mount sd card on the device.
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Note: These options are for the micro-sd card slot of STM32F4-Discovery base-board.
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* Enable `System Type -> STM32 Peripheral Support -> SDIO`
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* Enable `RTOS Features -> Work queue support -> High priority (kernel) worker thread`
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* Enable `RTOS Features -> RTOS hooks -> Custom board late initialization`
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* Enable `Driver Support -> MMC/SD Driver Support`
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* Disable `Driver Support -> MMC/SD Driver Support -> MMC/SD write protect pin`
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* Disable `Driver Support -> MMC/SD Driver Support -> MMC/SD SPI transfer support`
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* Enable `Driver Support -> MMC/SD Driver Support -> MMC/SD SDIO transfer support`
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* Enable `File systems -> FAT file system`
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* Enable `File systems -> FAT file system -> FAT upper/lower names`
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* Enable `File systems -> FAT file system -> FAT long file names`
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##### 5.2 Enable JerryScript without user interaction
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A simpler solution is to append the necessary content to the `.config` configuration file:
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```sh
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# Assuming you are in jerry-nuttx folder.
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cat >> nuttx/.config << EOL
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CONFIG_ARCH_FPU=y
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CONFIG_INTERPRETERS_JERRYSCRIPT=y
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CONFIG_INTERPRETERS_JERRYSCRIPT_PRIORITY=100
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CONFIG_INTERPRETERS_JERRYSCRIPT_STACKSIZE=16384
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EOL
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```
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[Optional] Enable ROM File System
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```sh
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# Assuming you are in jerry-nuttx folder.
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cat >> nuttx/.config << EOL
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CONFIG_BOARDCTL_ROMDISK=y
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CONFIG_FS_ROMFS=y
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CONFIG_NSH_ROMFSETC=y
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CONFIG_NSH_ROMFSMOUNTPT="/etc"
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CONFIG_NSH_INITSCRIPT="init.d/rcS"
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CONFIG_NSH_ROMFSDEVNO=0
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CONFIG_NSH_ROMFSSECTSIZE=64
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CONFIG_NSH_DEFAULTROMFS=y
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EOL
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```
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[Optional] Enable MMCSD driver and FAT File System
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Note: These options are for the micro-sd card slot of STM32F4-Discovery base-board.
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```sh
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# Assuming you are in jerry-nuttx folder.
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cat >> nuttx/.config << EOL
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CONFIG_STM32_SDIO=y
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CONFIG_STM32_SDIO_DMAPRIO=0x00010000
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CONFIG_MMCSD_HAVE_CARDDETECT=y
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CONFIG_BOARD_LATE_INITIALIZE=y
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CONFIG_BOARD_INITTHREAD_STACKSIZE=2048
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CONFIG_BOARD_INITTHREAD_PRIORITY=240
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CONFIG_SIG_SIGWORK=17
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CONFIG_SCHED_WORKQUEUE=y
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CONFIG_SCHED_HPWORK=y
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CONFIG_SCHED_HPNTHREADS=1
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CONFIG_SCHED_HPWORKPRIORITY=224
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CONFIG_SCHED_HPWORKSTACKSIZE=2048
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CONFIG_BCH=y
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CONFIG_ARCH_HAVE_SDIO=y
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CONFIG_ARCH_HAVE_SDIOWAIT_WRCOMPLETE=y
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CONFIG_ARCH_HAVE_SDIO_PREFLIGHT=y
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CONFIG_MMCSD=y
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CONFIG_MMCSD_NSLOTS=1
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CONFIG_MMCSD_MMCSUPPORT=y
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CONFIG_MMCSD_SDIO=y
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CONFIG_FS_FAT=y
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CONFIG_FAT_LCNAMES=y
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CONFIG_FAT_LFN=y
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CONFIG_FAT_MAXFNAME=32
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CONFIG_FAT_LFN_ALIAS_TRAILCHARS=0
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CONFIG_FSUTILS_MKFATFS=y
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CONFIG_NSH_MMCSDSLOTNO=0
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EOL
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```
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#### 6. Provide JavaScript files for STM32F4 device
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##### 6.1. Create ROMFS image from a custom folder
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Skip this section if MMCSD is used. Otherwise, generate a C header file from a custom folder.
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Try to minimize the size of the folder due to the limited capacity of flash memory.
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```sh
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# Assuming you are in jerry-nuttx folder.
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mkdir jerry-example
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# Let hello.js be a possible JavaScript input for JerryScript.
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cp jerryscript/tests/hello.js jerry-example
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# Generate ROMFS image from a custom folder.
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genromfs -f romfs_img -d jerry-example
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# Dump image as C header file and override NuttX's default ROMFS file.
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xxd -i romfs_img apps/nshlib/nsh_romfsimg.h
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# Add const modifier to place the content to flash memory.
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sed -i "s/unsigned/const\ unsigned/g" apps/nshlib/nsh_romfsimg.h
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```
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##### 6.2. Copy files to memory card
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Skip this section if ROMFS is used. Otherwise, copy your files to a FAT32 formatted memory card.
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#### 7. Build NuttX (with JerryScript)
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```sh
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# Assuming you are in jerry-nuttx folder.
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make -C nuttx
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```
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#### 6. Flash the device
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#### 8. Flash the device
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Connect Mini-USB for power supply and connect Micro-USB for `NSH` console.
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Connect Mini-USB for charging and flasing the device.
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```sh
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# Assuming you are in jerry-nuttx folder.
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@@ -148,39 +248,49 @@ make -C stlink release
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sudo stlink/build/Release/st-flash write nuttx/nuttx.bin 0x8000000
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```
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### Running JerryScript
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#### 9. Connect to the device
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You can use `minicom` for terminal program, or any other you may like, but set
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baud rate to `115200`.
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Connect Micro-USB for serial communication. The device should be visible as `/dev/ttyACM0` on the host.
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You can use `minicom` communication program with `115200` baud rate.
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```sh
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sudo minicom --device=/dev/ttyACM0 --baud=115200
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```
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You may have to press `RESET` on the board and press `Enter` keys on the console
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several times to make `nsh` prompt to appear.
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If the prompt shows like this,
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```
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NuttShell (NSH)
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nsh>
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nsh>
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nsh>
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```
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please set `Add Carriage Ret` option by `CTRL-A` > `Z` > `U` at the console,
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if you're using `minicom`.
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Run `jerry` with javascript file(s)
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Set `Add Carriage Ret` option in `minicom` by `CTRL-A -> Z -> U` key combinations.
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You may have to press `RESET` on the board and press `Enter` key on the console several times to make `nsh` prompt visible.
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NuttShell (NSH) prompt looks like as follows:
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```
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NuttShell (NSH)
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nsh> jerry full_path/any.js
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NuttShell (NSH) NuttX-10.2.0
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nsh>
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```
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Without argument it prints:
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|
#### 10. Run JerryScript
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##### 10.1 Run `jerry` without input
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```
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|
NuttShell (NSH) NuttX-10.2.0
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nsh> jerry
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No input files, running a hello world demo:
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|
Hello world 5 times from JerryScript
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|
```
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|
##### 10.2 Run `jerry` with files from ROMFS
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```
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|
NuttShell (NSH) NuttX-10.2.0
|
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|
nsh> jerry /etc/hello.js
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|
```
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|
##### 10.3 Run `jerry` with files from memory card
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|
After NuttX has initialized, the card reader should be visible as `/dev/mmcsd0` on the device.
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|
|
Mount it to be JavaScript files reachable.
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|
```
|
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|
|
NuttShell (NSH) NuttX-10.2.0
|
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|
nsh> mount -t vfat /dev/mmcsd0 /mnt
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|
nsh> jerry /mnt/hello.js
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|
```
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|
Roland Takacs