fmueller/esp8266-led-marquee-sign-controller
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Extract hexDump function

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This commit is contained in:
Fabian Müller 2024-04-12 03:21:41 +02:00
parent 852932a934
commit 4a82fdc7f5
1 changed files with 14 additions and 9 deletions
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23
src/util.h
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@ -246,6 +246,19 @@ enum class ExtendedChar {
GreekSmallLetterPhi = 0xed,
};
String hexDump(String in) {
String out;
for (size_t i = 0; i < in.length(); ++i) {
auto hexChar = String(in[i], HEX);
if (hexChar.length() == 1) {
out.concat('0');
}
out.concat(hexChar);
out.concat(' ');
}
return out;
}
/*
* Message syntax:
* separator: ~
@ -299,13 +312,5 @@ void sendTextToSign(
Serial1.print(toSend);
Serial.println("Text sent to device: " + toSend);
Serial.print("Hex dump: ");
for (size_t i = 0; i < toSend.length(); ++i) {
auto hexChar = String(toSend[i], HEX);
if (hexChar.length() == 1) {
hexChar = '0' + hexChar;
}
Serial.print(hexChar + ' ');
}
Serial.println();
Serial.println("Hex dump: " + hexDump(toSend));
}