【米尔MYD-JX8MPQ开发板试用体验】之开发环境搭建与第一个程序

解压MYD-JX8MP.iso下3-ToolsToolchains里的fsl-imx-xwayland-glibc-x86_64-meta-toolchain-cortexa53-crypto-myd-jx8mp-toolchain-5.10-gatesgarth.sh和fsl-imx-xwayland-glibc-x86_64-meta-toolchain-qt5-cortexa53-crypto-myd-jx8mp-toolchain-5.10-gatesgarth.sh

sudo apt-get install gawk wget git-core diffstat unzip texinfo gcc-multilib build-essential chrpath socat cpio python python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping python3-git python3-jinja2 libegl1-mesa libsdl1.2-dev pylint3 xterm rsync curl libssl-dev

cd ~

将windows下下载的工具链文件复制到WSL当前目录下,其中/mnt/e/是windows下的E盘。

cp /mnt/e/MYD_JX8MP/03-Tools/Toolchains/fsl-imx-xwayland-glibc-x86_64-meta-toolchain-co

rtexa53-crypto-myd-jx8mp-toolchain-5.10-gatesgarth.sh .

./fsl-imx-xwayland-glibc-x86_64-meta-toolchain-cortexa53-crypto-myd-jx8mp-toolchain-5.10-gatesgarth.sh回车

NXP i.MX Release Distro SDK installer version 5.10-gatesgarth

=============================================================

Enter target directory for SDK (default: /opt/fsl-imx-xwayland/5.10-gatesgarth):

Extracting SDK........................................done

Setting it up...done

/home/lhj/MYD_JX8MP/meta/post-relocate-setup.sh: 15: export: (x86)/VMware/VMware: bad variable name

SDK has been successfully set up and is ready to be used.

Each time you wish to use the SDK in a new shell session, you need to source the environment setup script e.g.

$ . /home/lhj/MYD_JX8MP/meta/environment-setup-cortexa53-crypto-poky-linux

lhj@DESKTOP-BINN7F8:~/MYD_JX8MP$ ./fsl-imx-xwayland-glibc-x86_64-meta-toolchain-qt5-cortexa53-crypto-myd-jx8mp-toolchain-5.10-gatesgarth.sh

NXP i.MX Release Distro SDK installer version 5.10-gatesgarth

=============================================================

Enter target directory for SDK (default: /opt/fsl-imx-xwayland/5.10-gatesgarth): qt5

You are about to install the SDK to "/home/lhj/MYD_JX8MP/qt5". Proceed [Y/n]? Y

Extracting SDK...............................................................................................................................................................................................................................................................................................................................................................................done

Setting it up...done

/home/lhj/MYD_JX8MP/qt5/post-relocate-setup.sh: 15: export: (x86)/VMware/VMware: bad variable name

SDK has been successfully set up and is ready to be used.

Each time you wish to use the SDK in a new shell session, you need to source the environment setup script e.g.

$ . /home/lhj/MYD_JX8MP/qt5/environment-setup-cortexa53-crypto-poky-linux

source meta/environment-setup-cortexa53-crypto-poky-linux

输入$CC -v回车，qt工具链类似。

Using built-in specs.

COLLECT_GCC=aarch64-poky-linux-gcc

COLLECT_LTO_WRAPPER=/home/lhj/MYD_JX8MP/meta/sysroots/x86_64-pokysdk-linux/usr/libexec/aarch64-poky-linux/gcc/aarch64-poky-linux/10.2.0/lto-wrapper

Target: aarch64-poky-linux

Configured with: ../../../../../../work-shared/gcc-10.2.0-r0/gcc-10.2.0/configure --build=x86_64-linux --host=x86_64-pokysdk-linux --target=aarch64-poky-linux --prefix=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr --exec_prefix=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr --bindir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux --***indir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux --libexecdir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/libexec/aarch64-poky-linux --datadir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/share --sysconfdir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/etc --sharedstatedir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/com --localstatedir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/var --libdir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/lib/aarch64-poky-linux --includedir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/include --oldincludedir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/include --infodir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/share/info --mandir=/opt/fsl-imx-xwayland/5.10-gatesgarth/sysroots/x86_64-pokysdk-linux/usr/share/man --disable-silent-rules --disable-dependency-tracking --with-libtool-sysroot=/home/duxy/L5.10.9/build-xwayland/tmp/work/x86_64-nativesdk-pokysdk-linux/gcc-cross-canadian-aarch64/10.2.0-r0/recipe-sysroot --with-gnu-ld --enable-shared --enable-languages=c,c++ --enable-threads=posix --enable-multilib --enable-default-pie --enable-c99 --enable-long-long --enable-symvers=gnu --enable-libstdcxx-pch --program-prefix=aarch64-poky-linux- --without-local-prefix --disable-install-libiberty --enable-lto --disable-libssp --enable-libitm --disable-bootstrap --with-system-zlib --with-linker-hash-style=gnu --enable-linker-build-id --with-ppl=no --with-cloog=no --enable-checking=release --enable-cheaders=c_global --without-isl --with-gxx-include-dir=/not/exist/usr/include/c++/10.2.0 --with-build-time-tools=/home/duxy/L5.10.9/build-xwayland/tmp/work/x86_64-nativesdk-pokysdk-linux/gcc-cross-canadian-aarch64/10.2.0-r0/recipe-sysroot-native/usr/aarch64-poky-linux/bin --with-sysroot=/not/exist --with-build-sysroot=/home/duxy/L5.10.9/build-xwayland/tmp/work/x86_64-nativesdk-pokysdk-linux/gcc-cross-canadian-aarch64/10.2.0-r0/recipe-sysroot --enable-poison-system-directories --disable-static --enable-nls --with-glibc-version=2.28 --enable-initfini-array --enable-__cxa_atexit

Thread model: posix

Supported LTO compression algorithms: zlib

gcc version 10.2.0 (GCC)

编辑代码

新建test.c输入如下代码

#include

#include

#include

#include

#include

#include

#include

#include

#include

#include

#include

int main(int argc, char *argv[])

{

    int ledn;

    char* tmp;

    int keys_fd;

    struct input_event t;

    keys_fd = open(argv[1], O_RDONLY);

    if (keys_fd <= 0)

    {

        printf ("open %s device error!n",argv[1]);

        return 0;

    }

    printf("Hit any key on board ......n");

   

    while(1)

    {

        if (read(keys_fd, &t, sizeof(t)) == sizeof(t))

        {

            if (t.type == EV_KEY)

            if (t.value == 0 || t.value == 1)

            {

                printf ("key %d %sn", t.code,(t.value) ? "Pressed" : "Released");

                if(t.code==KEY_ESC)

                    break;

            }

        }

    }

    close (keys_fd);

    return 0;

}

菜单栏

【终端】-【新建终端】底部弹出终端

输入

source meta/environment-setup-cortexa53-crypto-poky-linux

加载环境变量

输入

$CC -O1 test.c -o test

编译代码

ls查看生成的文件

lhj@DESKTOP-BINN7F8:~/MYD_JX8MP$ ls

meta  qt5  test  test.c

复制文件到windows下

输入 cp test /mnt/e回车,在windows下查看E盘有文件test。

将程序导入到开发板运行

开发板上电,连接调试串口,上位机使用CRT登录(115200-8-N-1)。

用户名为root无密码。

输入rz回车

弹出对话框选择程序,点击Add再点击确定

输入chmod +x test 回车

输入 ./test /dev/input/event2回车

按开发板上的USER按键,打印如下

root@myd-jx8mp:~# ./test /dev/input/event2

Hit any key on board ......

key 2 Pressed

key 2 Released

key 2 Pressed

key 2 Released

key 2 Pressed

key 2 Released

key 2 Pressed

key 2 Released

key 2 Pressed

key 2 Released

key 2 Pressed

key 2 Released

key 2 Pressed

key 2 Released

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