Jetson tk1 安装 usbtoserials 驱动

//以下步骤在主机中完成，不在开发板
//交叉编译工具 cross-complier
sudo apt-get install gcc-arm-linux-gnueabihf build-essential 
//<L4T_version>代表版本，本版本是R21.5，下同
sudo tar -xjf Tegra124_Linux_R<L4T_version>_armhf.tbz2
cd Linux_for_Tegra/rootfs
//
sudo tar -xjpf <path_to>/Tegra_Linux_Sample-Root-Filesystem_R<L4T_version>_armhf.tbz2
//
cd ..
//
export LDK_ROOTFS_DIR=<absolute path to Linux_for_Tegra>/rootfs
//
sudo ./apply_binaries.sh
//
tar -xjf <path_to>/kernel_src.tbz2
//
cd kernel/
//配置.config文件
ARCH=arm make tegra12_defconfig
//安装ncurses-devel
sudo apt-get install ncurses-dev
//交叉编译，make menuconfig方式编译linux内核
ARCH=arm make menuconfig
//在菜单中找到所需的驱动，可以已modules或者build-in方式编译
Device Drivers->Usb serials convertion->usbserials support && usbserials && cp201x,ftdi,pl2303

//
ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make zImage
//
ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make modules
//
ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make modules_install INSTALL_MOD_PATH=$LDK_ROOTFS_DIR
//
cp arch/arm/boot/zImage $LDK_ROOTFS_DIR/boot
//
cp arch/arm/boot/zImage <path_to>/Linux_for_Tegra/kernel/zImage
//flash.sh 烧录
sudo ./flash.sh jetson-tk1 mmcblk0p1