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View Code? Open in Web Editor NEW1602 LCD module driver for Android Things
License: Apache License 2.0
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BCM21 driver failure
Hi @Nilhcem 🤓
I have tried to run this sample on my LCD - have managed to plug everything in. I am getting an exception when trying to run it though and I was wondering if you might be able to help.
I've double checked the circuit setup - also changed the devpreview to version 2 in app build.gradle. Do you maybe have an idea what I'm doing wrong? Have you been able to use the LCD on version 2?
Thanks!
com.nilhcem.androidthings.driver.lcd1602a E/SampleActivity: Error initializing LCD
com.google.android.things.pio.PioException: android.os.ServiceSpecificException: BCM21 driver failure
at com.google.android.things.pio.GpioImpl.setDirection(GpioImpl.java:64)
at com.nilhcem.androidthings.driver.lcd1602a.Lcd1602.<init>(Lcd1602.java:119)
at com.nilhcem.androidthings.driver.lcd1602a.Lcd1602.<init>(Lcd1602.java:77)
at com.nilhcem.androidthings.driver.lcd1602a.SampleActivity.onCreate(SampleActivity.java:27)
at android.app.Activity.performCreate(Activity.java:6662)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: android.os.ServiceSpecificException: BCM21 driver failure
at android.os.Parcel.readException(Parcel.java:1697)
at android.os.Parcel.readException(Parcel.java:1636)
at com.google.android.things.pio.IPeripheralManagerClient$Stub$Proxy.SetGpioDirection(IPeripheralManagerClient.java:969)
at com.google.android.things.pio.GpioImpl.setDirection(GpioImpl.java:62)
at com.nilhcem.androidthings.driver.lcd1602a.Lcd1602.<init>(Lcd1602.java:119)
at com.nilhcem.androidthings.driver.lcd1602a.Lcd1602.<init>(Lcd1602.java:77)
at com.nilhcem.androidthings.driver.lcd1602a.SampleActivity.onCreate(SampleActivity.java:27)
at android.app.Activity.performCreate(Activity.java:6662)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
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