Error with #define?

Projects General Guidance
1

This one has me stumped.
I use this construct in most of my projects:

//--------------- WiFi declarations ---------------
// WiFi declarations
#define SKETCH_NAME "motorControlV2"
#define SKETCH_VERSION "2.0"
#include <ESP8266WiFi.h>        // Not needed if also using the Arduino OTA Library...
#include <Kaywinnet.h>          // WiFi credentials
char macBuffer[24];             // Holds the last three digits of the MAC, in hex.
char hostName[24];              // Holds nodeName + the last three bytes of the MAC address.
#ifndef nodeName
char nodeName[] = SKETCH_NAME;                // Give this node a name
#endif

But for some reason that I can't find, I get an error. But only in this sketch.

motorControlV2:12:21: error: expected initializer before string constant
 #define SKETCH_NAME "motorControlV2"
                     ^

Can anyone see anything wrong?

2

If I add an empty setup and loop and comment out your library includes, I can compile it.

3

Try this:

#define SKETCH_NAME <motorControlV2>
#define SKETCH_VERSION <2.0>
#include <ESP8266WiFi.h>        // Not needed if also using the Arduino OTA Library...
#include <Kaywinnet.h>          // WiFi credentials
char macBuffer[24];             // Holds the last three digits of the MAC, in hex.
char hostName[24];              // Holds nodeName + the last three bytes of the MAC address.
#ifndef nodeName
char nodeName[] = SKETCH_NAME;                // Give this node a name
#endif
4

im not sure it works!

5

makes no sense what you wrote there

6

It says that the 3rd line of the fragment you posted is the 12th line of your sketch. What are the lines above the ones you posted?

Compiles fine for me:

//--------------- WiFi declarations ---------------
// WiFi declarations
#define SKETCH_NAME "motorControlV2"
#define SKETCH_VERSION "2.0"
// #include <ESP8266WiFi.h>        // Not needed if also using the Arduino OTA Library...
// #include <Kaywinnet.h>          // WiFi credentials
char macBuffer[24];             // Holds the last three digits of the MAC, in hex.
char hostName[24];              // Holds nodeName + the last three bytes of the MAC address.
#ifndef nodeName
char nodeName[] = SKETCH_NAME;                // Give this node a name
#endif
void setup() {}
void loop() {}
7

It compiles for me with the #include for Kaywinnet.h commented out and, of course, with the addition of a setup() and loop() function

I suspect that the #define has quotation marks in it and later it is printed inside quotation marks so you end up with two quotation marks

8

Comments.

But, I did accidentally find the cause.
About 20 lines down, I had a malformed #define line that I fiixed.

So, what should have been a redefinition error presented as an expected initializer before string constant error.

Now, I can't replicate the error......

9

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