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Display control characters in serial console

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This commit is contained in:
Alex Spataru 2021-01-19 00:38:51 -05:00
parent 415113ea52
commit 385826a8ce
1 changed files with 14 additions and 6 deletions
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20
src/SerialManager.cpp
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@ -31,6 +31,15 @@
*/
static SerialManager *INSTANCE = nullptr;
/*
* QStringList of all known control characters
*/
static const QStringList CONTROL_STR
= { "NUL", "SOH", "STX", "ETX", "EOT", "ENQ", "ACK", "BEL",
" BS", " HT", " LF", " VT", " FF", " CR", " SO", " SI",
"DLE", "DC1", "DC2", "DC3", "DC4", "NAK", "SYN", "ETB",
"CAN", " EM", "SUB", "ESC", " FS", " GS", " RS", " US" };
/**
* Returns a string that displays unknown characters in hexadecimal format
*/
@ -46,15 +55,14 @@ static QString SAFE_STRING(const QByteArray &data)
if (code >= 0 && code <= 31 && byte != '\n')
{
auto hex = QString::number(code, 16);
if (hex.length() < 2)
hex.prepend("0");
hexString.append(" 0x");
hexString.append(hex);
hexString.append(" ");
hexString.append(CONTROL_STR.at(code));
hexString.append(" ");
}
else if (code == 127)
hexString.append(" DEL ");
else
hexString.append(byte);
}