Running Example with Sense Hat (B)

Take SHTC3 sensor as an example:

Download the source code from: SHTC3_dev.c
(Optional) Install the tool to compile. The following is an example to install:
```
sudo apt-get install gcc-riscv64-linux-gnu
```
Note: This step can be skipped if the tool has been installed.
Execute the following to compile:
```
riscv64-linux-gnu-gcc SHTC3_dev.c -o shtc3
```
Result:
The output file is shtc3 in the same directory.
Copy the executable code from the shtc3 file to the board, and change the execution permission by executing the following command:
```
chmod +x shtc3
```

Execute the following command to run:

./shtc3

Result:

The following output indicates the execution is successful:


root@starfive:~# ./shtc3 

SHTC3 Sensor Test Program ...
Fopen : /dev/i2c-0
Temperature =  52.20°C , Humidity =  55.32% 
Temperature =  23.81°C , Humidity =  55.29% 
Temperature =  23.79°C , Humidity =  55.30% 
Temperature =  23.82°C , Humidity =  55.29% 
Temperature =  23.81°C , Humidity =  55.29% 
Temperature =  23.82°C , Humidity =  55.30%