Code: Select all
sudo java -classpath .:classes:/opt/pi4j/lib/'*' ControlGpioExample
<--Pi4J--> GPIO Control Example ... started.
Exception in thread "main" java.lang.RuntimeException: Unable to open GPIO direction interface for pin [1]: No such file or directory
at com.pi4j.wiringpi.GpioUtil.export(Native Method)
at com.pi4j.io.gpio.RaspiGpioProvider.export(RaspiGpioProvider.java:67)
at com.pi4j.io.gpio.impl.GpioPinImpl.export(GpioPinImpl.java:165)
at com.pi4j.io.gpio.impl.GpioControllerImpl.provisionPin(GpioControllerImpl.java:520)
at com.pi4j.io.gpio.impl.GpioControllerImpl.provisionDigitalOutputPin(GpioControllerImpl.java:645)
at com.pi4j.io.gpio.impl.GpioControllerImpl.provisionDigitalOutputPin(GpioControllerImpl.java:672)
at com.pi4j.io.gpio.impl.GpioControllerImpl.provisionDigitalOutputPin(GpioControllerImpl.java:684)
at ControlGpioExample.main(ControlGpioExample.java:52)