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CommandStation-EX/DIAG.cpp

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2020-05-24 00:02:54 +02:00
#include <arduino.h>
#include <stdarg.h>
void Serialprint(const __FlashStringHelper* input...) {
// thanks to Jan Turoň https://arduino.stackexchange.com/questions/56517/formatting-strings-in-arduino-for-output
va_list args;
va_start(args, input);
char* flash=(char*)input;
for(int i=0; ; ++i) {
char c=pgm_read_byte_near(flash+i);
if (c=='\0') return;
if(c!='%') { Serial.print(c); continue; }
i++;
c=pgm_read_byte_near(flash+i);
switch(c) {
case '%': Serial.print('%'); break;
case 's': Serial.print(va_arg(args, char*)); break;
case 'd': Serial.print(va_arg(args, int), DEC); break;
case 'b': Serial.print(va_arg(args, int), BIN); break;
case 'o': Serial.print(va_arg(args, int), OCT); break;
case 'x': Serial.print(va_arg(args, int), HEX); break;
case 'f': Serial.print(va_arg(args, double), 2); break;
}
}
va_end(args);
}