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  1. #include <stdio.h>
  2. #include <stdarg.h>
  3.  
  4. #define config_ENABLE_DEBUG_MAIN 		1
  5.  
  6. static char txBuffer[100];
  7.  
  8. void PrintDebug(char * fileName, int lineNumber, char * msg, ...) {
  9.  
  10. 	// NOTE: Replace all printf() calls in here with whatever is appropriate for
  11. 	// the microcontroller you are using, e.g. Uart_PutString(txBuffer);
  12.  
  13. 	// Create "header" of debug message and send to UART peripheral
  14. 	snprintf(txBuffer, sizeof(txBuffer), "%s, %i: ", fileName, lineNumber);
  15. 	printf(txBuffer);
  16.  
  17. 	// Format the "guts" of the debug message into a string
  18. 	va_list args;
  19. 	va_start(args, msg);
  20. 	vsnprintf(txBuffer, sizeof(txBuffer), msg, args);
  21.  
  22. 	// Send formatted "guts" to the UART peripheral
  23. 	printf(txBuffer);
  24. 	printf("\r\n");
  25.  
  26. }
  27.  
  28. #if(config_ENABLE_DEBUG_MAIN == 1)
  29. 	#define DEBUG(...) PrintDebug(__FILE__, __LINE__, __VA_ARGS__)
  30. #else
  31. 	#define DEBUG(...)
  32. #endif
  33.  
  34.  
  35. int main(void) {
  36. 	DEBUG("Testing debug print capabilities...");
  37.  
  38. 	DEBUG("This should print both the filename and line number!");
  39.  
  40. 	int x = 5;
  41. 	DEBUG("We can also use this like printf()! x = %i", x);
  42.  
  43. 	return 0;
  44. }
  45.  
Success #stdin #stdout 0s 2156KB
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Standard input is empty
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prog.c, 33: Testing debug print capabilities...
prog.c, 35: This should print both the filename and line number!
prog.c, 38: We can also use this like printf()! x = 5
https://ideone.com/WbufDi
Advanced debug printing for embedded systems.
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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