PCA9685GpioProvider java.lang.NullPointerException

Pi4J / pi4j-v1

DEPRECATED Java I/O library for Raspberry Pi (GPIO, I2C, SPI, UART)

http://www.pi4j.com

Apache License 2.0

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PCA9685GpioProvider java.lang.NullPointerException #430

Closed tursom closed 3 years ago

tursom commented 6 years ago

Exception in thread "main" java.lang.NullPointerException at com.pi4j.gpio.extension.pca.PCA9685GpioProvider.validatePin(PCA9685GpioProvider.java:314) at com.pi4j.gpio.extension.pca.PCA9685GpioProvider.setPwm(PCA9685GpioProvider.java:187) at cn.tursom.cardrive.control.MainKt.main(main.kt:24)

pg-adm1n commented 5 years ago

Hi, please refer https://github.com/Pi4J/pi4j/issues/422 to use setMode first. I will push a pr for this issue. And I think you can close this ticket. Thanks.

savageautomate commented 3 years ago

Adding missing export overloaded method to set pin mode by default at time of pin provisioning.