在树莓派上用python和java分别点亮LED灯
2018-03-12 15:34
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把树莓派、LED用面包板、导线连接起来,用python点亮LED,问题不大,网上有很多教程。但是用java点亮LED灯时出现了问题提示:
Unable to determine hardware version. I see: Hardware: BCM2835
,
- expecting BCM2708 or BCM2709.
If this is a genuine Raspberry Pi then please report this
to projects@drogon.net. If this is not a Raspberry Pi then you
are on your own as wiringPi is designed to support the
Raspberry Pi ONLY.
解决的办法是从网络上下载新的SNAPSHOT,下载链接:http://lst.wting.me/wp-content/uploads/2017/09/pi4j-core-1.2-SNAPSHOT.zip,
下载之后解压pi4j-core-1.2-SNAPSHOT.jar,将此包上传到树莓派,然后拷贝到/opt/pi4j/lib目录中
解决了这个问题之后就可以顺利编译 顺利运行了
编译:javac -classpath .:classes:'*':classes:/opt/pi4j/lib/'*' LedDemo.java
运行:java -classpath .:classes:'*':classes:/opt/pi4j/lib/'*' LedDemo
把树莓派、LED用面包板、导线连接起来,用python点亮LED,问题不大,网上有很多教程。但是用java点亮LED灯时出现了问题提示:
Unable to determine hardware version. I see: Hardware: BCM2835
,
- expecting BCM2708 or BCM2709.
If this is a genuine Raspberry Pi then please report this
to projects@drogon.net. If this is not a Raspberry Pi then you
are on your own as wiringPi is designed to support the
Raspberry Pi ONLY.
解决的办法是从网络上下载新的SNAPSHOT,下载链接:http://lst.wting.me/wp-content/uploads/2017/09/pi4j-core-1.2-SNAPSHOT.zip,
下载之后解压pi4j-core-1.2-SNAPSHOT.jar,将此包上传到树莓派,然后拷贝到/opt/pi4j/lib目录中
解决了这个问题之后就可以顺利编译 顺利运行了
编译:javac -classpath .:classes:'*':classes:/opt/pi4j/lib/'*' LedDemo.java
运行:java -classpath .:classes:'*':classes:/opt/pi4j/lib/'*' LedDemo
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