void setup() {
// put your setup code here, to run once:
long num=12345;
char s[20];
ltoa(num,s,10);
}
the above code , when compile ,report below information:
D:\arduino-1.8.19\portable\sketchbook\sketch_may28a\sketch_may28a.ino: In function 'void setup()':
sketch_may28a:7:1: error: 'ltoa' was not declared in this scope; did you mean 'utoa'?
7 | ltoa(num,s,10);
| ^~~~
| utoa
exit status 1
'ltoa' was not declared in this scope; did you mean 'utoa'?
the select board is GD32F3x0 Generic series, GD32F330C4, change to another type of GD32 is also this error. When I change the board to STM32 for arduino platform , the code is compile ok .
the test code is
the above code , when compile ,report below information:
the select board is GD32F3x0 Generic series, GD32F330C4, change to another type of GD32 is also this error. When I change the board to STM32 for arduino platform , the code is compile ok .
What's wrong with this problem?
thanks who can help me resolve this error.