not quite sure how to make the nice code boxes everyone else has so im just going to copy and paste my stuff here, i tried to compile using SparkDev and the web IDE but neither worked. any help is appreciated. here is my code: int WindowUp = D0; int WindowDown = D1; int isOpen = 0; void setup() {…

Hi @MasterVizz Your Spark function needs to take a String (object) and return an int. That is the contract of all Spark functions so that the cloud can pass parameters and get return values to and from your functions in a consistent way. You need to do this even if you are not using the input and…

thanks guys, just got one of these the other day, im still trying to get the hang of using it :smiley:

Compile failed, and the error code makes no sense to me

Troubleshooting

ScruffR April 28, 2015, 8:48pm 2

As the docs state and the error message suggests, your Spark.function needs to be of this type
int fn(String) and not void fn().

Some background can be found here

Topic		Replies	Views
Error: invalid conversion from 'int ()()' to 'int ()(String)' [-fpermissive] Troubleshooting	5	6859	March 29, 2015
Validation error in Build - invalid conversion from 'void ()(int)' to 'int ()(String)'[SOLVED] Troubleshooting	5	4396	January 8, 2014
Compiler Error Declaring Spark Function for Cloud Troubleshooting	1	1192	October 2, 2015
Expose Interrupt Function with Spark.Function? Troubleshooting	2	1780	August 19, 2014
Cant initialize Spark.function... [solved] Troubleshooting	5	1085	February 21, 2015

Compile failed, and the error code makes no sense to me

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