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[on:]

What am I doing wrong here? This compiles:

Code:

void myfunc(int a, char *s) {
}

void test2(void (*process_function)(int, char *)) {
}

void test1() {
  test2(myfunc);
}

However, when I change myfunc to return an integer, I get a compile error. i.e.

Code:

int myfunc(int a, char *s) {
  return 1;
}

void test2(int (*process_function)(int, char *)) {
}

void test1() {
  test2(myfunc);
}

The error is "error: variable or field 'test2' declared void In function 'void test1()':". It doesn't seem to like the function pointer referring to a function that returns a value. Any ideas?

Thanks,

Julian

[Reply #1 on:]

try adding [glow]#undef int [/glow] before that code.

There are some macros in wiring.h that define int that may be interfering with your code.

[Reply #2 on:]

You are a genius! Thanks very much. Using uint8_t, uint16_t, etc. works as expected.

Julian