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Oct 24th, 2020
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C++ 0.42 KB | None | 0 0
  1.  
  2. #include <Arduino.h>
  3.  
  4. extern "C" {
  5.     void printf1(const char* format, ...);
  6.     float second(void);
  7. }
  8. char str_buff01[1024];
  9. void printf1(const char* format, ...)
  10. {
  11.  
  12.     va_list ap;
  13.     va_start(ap, format);
  14.  
  15. //    vsprintf(str_buff01, format, ap);
  16.     vsnprintf(str_buff01, 1024, format, ap);
  17.  
  18.     va_end(ap);
  19.  
  20.     Serial.print(str_buff01);
  21.  
  22. }
  23.  
  24. float second(void) {
  25.     return millis() / 1000.0;
  26. }
  27.  
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