C/C++ Question How wrap IRRemote Library

[rwblinn]

Hi,

in the process of attempting to wrap attached IRRemote Library - see rIRRemote.h and cpp.
Started with class IRrecv first but got stuck
In IRremote.h the IRrecv class hass following definition, which is not clear how to wrap.

    public:
        IRrecv (int recvpin) ;
        IRrecv (int recvpin, int blinkpin);
...

defined in IRremote.cpp as

IRrecv::IRrecv (int recvpin)
{
    irparams.recvpin = recvpin;
    irparams.blinkflag = 0;
}
...

Any help / hints appreciated.

 

[Erel]

These are constructors. It is indeed a bit more difficult. You can see several examples:
1. rLiquidCrystal
2. rSoftwareSerial

 

[rwblinn]

That helped a lot = got the constructors wrapped and compiled without error - using rSoftwareSerial example.

Next which I have not found a solution, is how to wrap:

int decode (decode_results *results) ;

where decode_results is a class.

Any hints here?

 

[Erel]

Something like:

ULong Decode() {
 decode_results dr;
 decode(&dr);
 return dr.value;
}

If you want to return more than a single value then you can create your own class and return it instead of returning ULong.

 

[rwblinn]

Thanks again for help. Made progress and able to receive data when pressing the remote control - BUT only the first 2 times after pressing on the Remote Control to Turn Pin 13 On / Off.

1-IRReceive: 16724175
2-IRReceive: 16718055

In the B4R Code added a Looper to listen to IR data coming in via sub IRReceive.
When data comes in, the value is checked to turn pin 13 on or off. when done IRRecv.Resume is called.
BUT after two times nothing happens anymore?
Could there be a clash between the Looper and the IRRecv.Resume call? or is the logic of handling decode value wrong.

Attached: Wrapped Library (receive part) and B4R test code.

 

[Erel]

I don't see any obvious mistake in the code.

You can add log messages to the library with:

::Serial.println("aaa");

Might help you find out what happens.

 

[rwblinn]

Some progress made.

B4R Code: Added a Delay(150) in the Looper, working (almost = sometimes need to press twice to see a reaction on the LED) OK.

Using ::Serial is a good helper.

In addition found a new IRRemote Lib based on the IRRemote Lib I have been using.
This new lib is able to handle interrupts better - which might solve the problem facing as mentioned earlier.
Will explore further - means wrap IRLib.

 

[Erel]

Added a Delay(150) in the Looper

This means that you need to use a timer instead.

Timers, Loopers and CallSubPlus

 

[atiaust]

Hi,

When I try to use
java -jar B4Rh2xml <path to h file> <output file>
to wrap a library I get the following error message

Error: unable to access jarfile B4Rh2xml

I have tried putting B4Rh2xml.jar in multiple locations. No Luck.

Any ideas as to what I am doing wrong.

Thanks

 

[Erel]

You should have started a new thread for this question.

You should use:

java -jar B4RH2xml.jar <path to h file> <output file>

 

[atiaust]

You should have started a new thread for this question.

You should use:

java -jar B4RH2xml.jar <path to h file> <output file>

Sorry. Realised should have created new thread after I had posted.
Will try as suggested.