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util.h (330B)

      1 #define SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
      2 
      3 void 
      4 SEprintf(const char *fmt, ...) {
      5 	static char sbuf[64] = { 0 };
      6 	va_list ap;
      7 
      8 	va_start(ap, fmt);
      9 	vsnprintf(sbuf, 64, fmt, ap);
     10 	va_end(ap);
     11 
     12 	Serial.print(sbuf);
     13 }
     14 
     15 int 
     16 readint() {
     17 	while (!Serial.available()) ; 
     18 	int i = Serial.parseInt();
     19 	SEprintf("\n");
     20 	return i;
     21 }