这个程序是用M1+的Raspbian_For_BPI_V4.0.img，下载地址http://pan.baidu.com/s/1bnyN6UVBPI-WiringPi2-Python目前只支持在M1,M2,M1+上使用首先安装BPI-WiringPi，安装方法在https://github.com/BPI-SINOVOIP/BPI-WiringPi可以看到
git clone https://github.com/BPI-SINOVOIP/BPI-WiringPi.git -b BPI_M1_M1Plus
cd BPI-WiringPi
chmod +x ./build
sudo ./build
接下来安装BPI-WiringPi2-Python
地址https://github.com/BPI-SINOVOIP/BPI-WiringPi2-Python同样可以看到
git clone https://github.com/BPI-SINOVOIP/BPI-WiringPi2-Python.git -b BPI_M1_M1Plus
cd BPI-WiringPi2-Python
sudo python setup.py install
可能会遇到ImportError: No module named setuptools，安装就可以
sudo apt-get install python-setuptools
或者 Python 3:
sudo python3 setup.py install
接下来就可以用了，以下是代码，接GPIO.1即Pin12
import wiringpi2
OUTPUT = 1
PIN_TO_PWM = 1
wiringpi2.wiringPiSetup()
wiringpi2.pinMode(PIN_TO_PWM,OUTPUT)
wiringpi2.softPwmCreate(PIN_TO_PWM,0,100)
for time in range(0,4):
for brightness in range(0,100):
wiringpi2.softPwmWrite(PIN_TO_PWM,brightness)
wiringpi2.delay(10)
for brightness in reversed(range(0,100)):
wiringpi2.softPwmWrite(PIN_TO_PWM,brightness)
wiringpi2.delay(10)
最后上图