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Using raspberry-sharp-io with raspberry pi3 model b+ and last version of mono.. #104
Description
Hi..
using the latest download of this library and used with the raspberry pi3 model b+ and latest version of mono we are getting errors like the exposed below
Can any help me to fix this issue..
Thanks
pi@raspberrypi:~/Desktop/SharedInWin/testmono $ gksudo mono DesktopApp1.exe
System.NullReferenceException: Object reference not set to an instance of an object
at Raspberry.IO.GeneralPurpose.GpioConnection.Allocate (Raspberry.IO.GeneralPurpose.PinConfiguration configuration) [0x00073] in <39616ab275014559a5b975fe859e9ad9>:0
at Raspberry.IO.GeneralPurpose.GpioConnection.Open () [0x00036] in <39616ab275014559a5b975fe859e9ad9>:0
at Raspberry.IO.GeneralPurpose.GpioConnection..ctor (Raspberry.IO.GeneralPurpose.GpioConnectionSettings settings, System.Collections.Generic.IEnumerable`1[T] pins) [0x000f8] in <39616ab275014559a5b975fe859e9ad9>:0
at Raspberry.IO.GeneralPurpose.GpioConnection..ctor (Raspberry.IO.GeneralPurpose.GpioConnectionSettings settings, Raspberry.IO.GeneralPurpose.PinConfiguration[] pins) [0x00000] in <39616ab275014559a5b975fe859e9ad9>:0
at DesktopApp1.Form1.Form1_Load (System.Object sender, System.EventArgs e) [0x0002c] in :0
at System.Windows.Forms.Form.OnLoad (System.EventArgs e) [0x00022] in :0
at System.Windows.Forms.Form.OnLoadInternal (System.EventArgs e) [0x00029] in :0
Activity
grimreaper38uk commentedon Aug 15, 2018
I'm guessing folks are going to have to see some of your source code before you get a response to this...
negusm commentedon Jun 10, 2022
Same issue:
Command:
Error:
Unhandled Exception:
System.NullReferenceException: Object reference not set to an instance of an object.
at Raspberry.IO.GeneralPurpose.GpioConnection.Allocate (Raspberry.IO.GeneralPurpose.PinConfiguration configuration) [0x00073] in <39616ab275014559a5b975fe859e9ad9>:0
at Raspberry.IO.GeneralPurpose.GpioConnection.Open () [0x00036] in <39616ab275014559a5b975fe859e9ad9>:0
at Raspberry.IO.GeneralPurpose.GpioConnection..ctor (Raspberry.IO.GeneralPurpose.GpioConnectionSettings settings, System.Collections.Generic.IEnumerable
1[T] pins) [0x000f8] in <39616ab275014559a5b975fe859e9ad9>:0 at Raspberry.IO.GeneralPurpose.GpioConnection..ctor (Raspberry.IO.GeneralPurpose.PinConfiguration[] pins) [0x00000] in <39616ab275014559a5b975fe859e9ad9>:0 at PiFlambeDaemon.Program.Main () [0x00009] in <e309ff0ee38543af83093bfd1121b593>:0 [ERROR] FATAL UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object. at Raspberry.IO.GeneralPurpose.GpioConnection.Allocate (Raspberry.IO.GeneralPurpose.PinConfiguration configuration) [0x00073] in <39616ab275014559a5b975fe859e9ad9>:0 at Raspberry.IO.GeneralPurpose.GpioConnection.Open () [0x00036] in <39616ab275014559a5b975fe859e9ad9>:0 at Raspberry.IO.GeneralPurpose.GpioConnection..ctor (Raspberry.IO.GeneralPurpose.GpioConnectionSettings settings, System.Collections.Generic.IEnumerable1[T] pins) [0x000f8] in <39616ab275014559a5b975fe859e9ad9>:0at Raspberry.IO.GeneralPurpose.GpioConnection..ctor (Raspberry.IO.GeneralPurpose.PinConfiguration[] pins) [0x00000] in <39616ab275014559a5b975fe859e9ad9>:0
at PiFlambeDaemon.Program.Main () [0x00009] in :0
Code:
`
using System;
using Raspberry.IO.GeneralPurpose;
namespace PiFlambeDaemon
{
internal class Program
{
static void Main()
{
InputPinConfiguration btn1 = ConnectorPin.P1Pin18.Input();
GpioConnection connection = new GpioConnection(btn1);
}
}
}
`
negusm commentedon Jun 10, 2022
Nevermind...I see that there is a newer version here:
https://nuget.org/packages/Raspberry.IO.GeneralPurpose3/
This solved my problem.