mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-23 08:06:13 +01:00
28 lines
915 B
C++
28 lines
915 B
C++
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#include <arduino.h>
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#include <stdarg.h>
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void Serialprint(const __FlashStringHelper* input...) {
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// thanks to Jan Turoň https://arduino.stackexchange.com/questions/56517/formatting-strings-in-arduino-for-output
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va_list args;
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va_start(args, input);
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char* flash=(char*)input;
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for(int i=0; ; ++i) {
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char c=pgm_read_byte_near(flash+i);
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if (c=='\0') return;
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if(c!='%') { Serial.print(c); continue; }
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i++;
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c=pgm_read_byte_near(flash+i);
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switch(c) {
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case '%': Serial.print('%'); break;
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case 's': Serial.print(va_arg(args, char*)); break;
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case 'd': Serial.print(va_arg(args, int), DEC); break;
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case 'b': Serial.print(va_arg(args, int), BIN); break;
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case 'o': Serial.print(va_arg(args, int), OCT); break;
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case 'x': Serial.print(va_arg(args, int), HEX); break;
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case 'f': Serial.print(va_arg(args, double), 2); break;
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}
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}
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va_end(args);
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}
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