## 调试命令


```shell
# ~/.bash_aliases
# alias source_env_MilkV-Duo='export BOARD=mikv-Duo; export ARCH=riscv; export CROSS_COMPILE=riscv64-unknown-linux-gnu-'

source_env_MilkV-Duo
```

```shell
scp gaoyang3513@192.168.3.120:Source/12-Demo/Linux_Drivers/02-I2C/i2c_static.ko ./

```

```shell
# cat /proc/devices
Character devices:
...
256 GBox
```

```shell
mknod -m 0755 /dev/GBox c 256 0
```